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travis: Don't set RUST_LOG globally

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I have a suspicion that this caused a large regression in cycle times by forcing
the compiler to perform more checks on every `debug!` statement, so let's test
this out by removing the `RUST_LOG` env var globally.

This regression in cycle time was witnessed between [two] [builds] where the
[PR] in question didn't do much suspicious. Judging by how the stage0 times
*also* regressed though then this is my best guess.

[two]: 210149932
[builds]: 210179995
[PR]: https://github.com/rust-lang/rust/pull/40446
This commit is contained in:
Alex Crichton 2017-03-20 14:29:14 -07:00
parent 244f893ed7
commit 7305ca3852
5 changed files with 12 additions and 14 deletions
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14
src/Cargo.lock generated
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@ -73,7 +73,7 @@ name = "bootstrap"
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@ -119,7 +119,7 @@ dependencies = [
[[package]]
name = "cmake"
version = "0.1.21"
version = "0.1.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@ -471,7 +471,7 @@ version = "0.0.0"
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"core 0.0.0",
]
@ -614,7 +614,7 @@ version = "0.0.0"
dependencies = [
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"build_helper 0.1.0",
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"core 0.0.0",
]
@ -658,7 +658,7 @@ version = "0.0.0"
dependencies = [
"alloc_system 0.0.0",
"build_helper 0.1.0",
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"cmake 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
"core 0.0.0",
]
@ -752,7 +752,7 @@ version = "0.0.0"
dependencies = [
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"build_helper 0.1.0",
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"cmake 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
"core 0.0.0",
]
@ -994,7 +994,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum bitflags 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e1ab483fc81a8143faa7203c4a3c02888ebd1a782e37e41fa34753ba9a162"
"checksum clap 2.21.1 (registry+https://github.com/rust-lang/crates.io-index)" = "74a80f603221c9cd9aa27a28f52af452850051598537bb6b359c38a7d61e5cda"
"checksum cmake 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)" = "e1acc68a3f714627af38f9f5d09706a28584ba60dfe2cca68f40bf779f941b25"
"checksum cmake 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)" = "d18d68987ed4c516dcc3e7913659bfa4076f5182eea4a7e0038bb060953e76ac"
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"checksum env_logger 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "15abd780e45b3ea4f76b4e9a26ff4843258dd8a3eed2775a0e7368c2e7936c2f"
"checksum env_logger 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e3856f1697098606fc6cb97a93de88ca3f3bc35bb878c725920e6e82ecf05e83"