[INFO] updating cached repository valff/rustc-perf-regression
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/valff/rustc-perf-regression
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/valff/rustc-perf-regression" "work/ex/beta-1.38-1/sources/1.37.0/gh/valff/rustc-perf-regression"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/valff/rustc-perf-regression'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/valff/rustc-perf-regression" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/valff/rustc-perf-regression"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/valff/rustc-perf-regression'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd91cfdb52a9d2d2e5eca90820242fe201405cfc
[INFO] sha for GitHub repo valff/rustc-perf-regression: cd91cfdb52a9d2d2e5eca90820242fe201405cfc
[INFO] validating manifest of valff/rustc-perf-regression on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of valff/rustc-perf-regression on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing valff/rustc-perf-regression
[INFO] finished frobbing valff/rustc-perf-regression
[INFO] frobbed toml for valff/rustc-perf-regression written to work/ex/beta-1.38-1/sources/1.37.0/gh/valff/rustc-perf-regression/Cargo.toml
[INFO] started frobbing valff/rustc-perf-regression
[INFO] finished frobbing valff/rustc-perf-regression
[INFO] frobbed toml for valff/rustc-perf-regression written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/valff/rustc-perf-regression/Cargo.toml
[INFO] crate valff/rustc-perf-regression already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing valff/rustc-perf-regression against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/valff/rustc-perf-regression:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b794349257ac5c2abb7c233370705cab77aab336a0bf64ecc3de1c00aa6eafb5
[INFO] running `"docker" "start" "-a" "b794349257ac5c2abb7c233370705cab77aab336a0bf64ecc3de1c00aa6eafb5"`
[INFO] [stderr]    Compiling rustc-perf-regression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "b794349257ac5c2abb7c233370705cab77aab336a0bf64ecc3de1c00aa6eafb5"`
[INFO] running `"docker" "rm" "-f" "b794349257ac5c2abb7c233370705cab77aab336a0bf64ecc3de1c00aa6eafb5"`
[INFO] [stdout] b794349257ac5c2abb7c233370705cab77aab336a0bf64ecc3de1c00aa6eafb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/valff/rustc-perf-regression:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 408e0fa1f30fd06ca8d20d478a4a4f105e375f787b9df8cab5fb222c3ae78a0d
[INFO] running `"docker" "start" "-a" "408e0fa1f30fd06ca8d20d478a4a4f105e375f787b9df8cab5fb222c3ae78a0d"`
[INFO] [stderr]    Compiling rustc-perf-regression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "408e0fa1f30fd06ca8d20d478a4a4f105e375f787b9df8cab5fb222c3ae78a0d"`
[INFO] running `"docker" "rm" "-f" "408e0fa1f30fd06ca8d20d478a4a4f105e375f787b9df8cab5fb222c3ae78a0d"`
[INFO] [stdout] 408e0fa1f30fd06ca8d20d478a4a4f105e375f787b9df8cab5fb222c3ae78a0d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/valff/rustc-perf-regression:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] caf160eaf749d32384864902ce563d0fad1b506bfa7e41747ce11fac4c20363c
[INFO] running `"docker" "start" "-a" "caf160eaf749d32384864902ce563d0fad1b506bfa7e41747ce11fac4c20363c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustc_perf_regression-044b8c1e52cd109e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "caf160eaf749d32384864902ce563d0fad1b506bfa7e41747ce11fac4c20363c"`
[INFO] running `"docker" "rm" "-f" "caf160eaf749d32384864902ce563d0fad1b506bfa7e41747ce11fac4c20363c"`
[INFO] [stdout] caf160eaf749d32384864902ce563d0fad1b506bfa7e41747ce11fac4c20363c