logging: update tracing and tracing-subscriber (#352)

* logging: update `tracing` and `tracing-subscriber`

Updating to the latest versions of the `tracing` and
`tracing-subscriber` crates picks up a few changes that might be
relevant to us:

- tokio-rs/tracing#333: Fix an issue where filtering directives could
  sometimes be ignored
- tokio-rs/tracing#344: Fix for filters not applying to events generated
  from `log` records
- tokio-rs/tracing#346: Dependencies using `tracing`'s `log` back-compat
  alongside the `log` record to `tracing` event conversion layer will no
  longer result in duplicate events

Additionally, `tracing-subscriber` 0.1.2 removed some dependencies that
were previously on by default, and feature flagged others; I've tweaked
the feature flags that we enable so we now have fewer transitive deps in
our lockfile :D

Signed-off-by: Eliza Weisman <eliza@buoyant.io>

Cargo.lock

@@ -13,14 +13,6 @@ dependencies = [
  "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "arrayvec"
 version = "0.4.7"
@@ -103,17 +95,6 @@ name = "cfg-if"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "chrono"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "cloudabi"
 version = "0.0.3"
@@ -534,7 +515,7 @@ dependencies = [
  "hyper 0.12.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "linkerd2-error 0.1.0",
  "tower 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -544,7 +525,7 @@ dependencies = [
  "linkerd2-dns-name 0.1.0",
  "ring 0.16.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustls 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "webpki 0.21.0 (git+https://github.com/seanmonstar/webpki?branch=cert-dns-names-0.21)",
 ]
@@ -559,7 +540,7 @@ dependencies = [
  "hyper 0.12.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quickcheck 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -571,7 +552,7 @@ dependencies = [
  "opencensus-proto 0.1.0",
  "tokio 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-grpc 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -635,10 +616,10 @@ dependencies = [
  "tower-service 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-spawn-ready 0.1.0 (git+https://github.com/tower-rs/tower)",
  "tower-util 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing-futures 0.0.1-alpha.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing-log 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing-subscriber 0.1.1 (git+https://github.com/tokio-rs/tracing)",
+ "tracing-subscriber 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "trust-dns-resolver 0.10.2 (git+https://github.com/bluejekyll/trust-dns?rev=7c8a0739dad495bf5a4fddfe86b8bbe2aa52d060)",
  "try-lock 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -675,7 +656,7 @@ dependencies = [
  "tokio-sync 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-grpc 0.1.0 (git+https://github.com/tower-rs/tower-grpc)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -700,7 +681,7 @@ dependencies = [
  "tokio 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-util 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing-futures 0.0.1-alpha.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -715,7 +696,7 @@ dependencies = [
  "linkerd2-task 0.1.0",
  "tokio 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -726,7 +707,7 @@ dependencies = [
  "linkerd2-error 0.1.0",
  "tokio 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -735,7 +716,7 @@ version = "0.1.0"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -751,7 +732,7 @@ dependencies = [
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-load-shed 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tower-service 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -760,7 +741,7 @@ version = "0.1.0"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-signal 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -784,7 +765,7 @@ dependencies = [
  "tokio 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -798,15 +779,6 @@ dependencies = [
  "tower-service 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "lock_api"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "log"
 version = "0.4.6"
@@ -941,14 +913,6 @@ dependencies = [
  "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "num-integer"
-version = "0.1.39"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.1.43"
@@ -991,27 +955,6 @@ dependencies = [
  "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "parking_lot"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lock_api 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "percent-encoding"
 version = "1.0.1"
@@ -1867,18 +1810,18 @@ dependencies = [
 
 [[package]]
 name = "tracing"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing-attributes 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing-core 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing-attributes 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1887,7 +1830,7 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1901,7 +1844,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1911,24 +1854,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing-core 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.1.1"
-source = "git+https://github.com/tokio-rs/tracing#198e62a613e1fcf623e8f2c66e1192504f5e9b2f"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "matchers 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "tracing-core 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tracing-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing-log 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2218,7 +2157,6 @@ dependencies = [
 [metadata]
 "checksum adler32 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6cbd0b9af8587c72beadc9f72d35b9fbb070982c9e6203e46e93f10df25f8f45"
 "checksum aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6531d44de723825aa81398a6415283229725a00fa30713812ab9323faa82fc4"
-"checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 "checksum arrayvec 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)" = "a1e964f9e24d588183fcb43503abda40d288c8657dfc27311516ce2f05675aef"
 "checksum autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4e5f34df7a019573fb8bdc7e24a2bfebe51a2a1d6bfdbaeccedb3c41fc574727"
 "checksum backtrace 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ebbbf59b1c43eefa8c3ede390fcc36820b4999f7914104015be25025e0d62af2"
@@ -2231,7 +2169,6 @@ dependencies = [
 "checksum bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "40ade3d27603c2cb345eb0912aec461a6dec7e06a4ae48589904e808335c7afa"
 "checksum cc 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)" = "b548a4ee81fccb95919d4e22cfea83c7693ebfd78f0495493178db20b3139da7"
 "checksum cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "b486ce3ccf7ffd79fdeb678eac06a9e6c09fc88d33836340becb8fffe87c5e33"
-"checksum chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)" = "77d81f58b7301084de3b958691458a53c3f7e0b1d702f77e550b6a88e3a88abe"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
 "checksum codegen 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bf02acd61125952ee148207cd411f9b73c9e218eab4b901375a82e1a443b6238"
 "checksum crc 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd5d02c0aac6bd68393ed69e00bbc2457f3e89075c6349db7189618dc4ddc1d7"
@@ -2274,7 +2211,6 @@ dependencies = [
 "checksum libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)" = "e962c7641008ac010fa60a7dfdc1712449f29c44ef2d4702394aea943ee75047"
 "checksum linked-hash-map 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7860ec297f7008ff7a1e3382d7f7e1dcd69efc94751a2284bafc3d013c2aa939"
 "checksum linkerd2-proxy-api 0.1.8 (git+https://github.com/linkerd/linkerd2-proxy-api?rev=ddbc3a4f7f8b0058801f896d27974d19ee98094c)" = "<none>"
-"checksum lock_api 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "62ebf1391f6acad60e5c8b43706dde4582df75c06698ab44511d15016bc2442c"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum lru-cache 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4d06ff7ff06f729ce5f4e227876cb88d10bc59cd4ae1e09fbb2bde15c850dc21"
 "checksum matchers 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f099785f7595cc4b4553a174ce30dd7589ef93391ff414dbb67f62392b9e0ce1"
@@ -2291,13 +2227,10 @@ dependencies = [
 "checksum nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "9a2228dca57108069a5262f2ed8bd2e82496d2e074a06d1ccc7ce1687b6ae0a2"
 "checksum nom 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf51a729ecf40266a2368ad335a5fdde43471f545a967109cd62146ecf8b66ff"
 "checksum nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2ad2a91a8e869eeb30b9cb3119ae87773a8f4ae617f41b1eb9c154b2905f7bd6"
-"checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
 "checksum num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
 "checksum num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0b3a5d7cc97d6d30d8b9bc8fa19bf45349ffe46241e8816f50f62f6d6aaabee1"
 "checksum num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c51a3322e4bca9d212ad9a158a02abc6934d005490c054a2778df73a70aa0a30"
 "checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
-"checksum parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ab41b4aed082705d1056416ae4468b6ea99d52599ecf3169b00088d43113e337"
-"checksum parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 "checksum petgraph 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "7a7e5234c228fbfa874c86a77f685886127f82e0aef602ad1d48333fcac6ad61"
 "checksum proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)" = "4d317f9caece796be1980837fd5cb3dfec5613ebdb04ad0956deea83ce168915"
@@ -2383,12 +2316,12 @@ dependencies = [
 "checksum tower-spawn-ready 0.1.0 (git+https://github.com/tower-rs/tower)" = "<none>"
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