[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] dec001a033aa564c980ac4f1a8fdbc2bd4017a3aefecbf8a8e91fcc4268e8d15
[INFO] running `"docker" "start" "-a" "dec001a033aa564c980ac4f1a8fdbc2bd4017a3aefecbf8a8e91fcc4268e8d15"`
[INFO] [stderr]    Compiling rustc-perf-regression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `"docker" "inspect" "dec001a033aa564c980ac4f1a8fdbc2bd4017a3aefecbf8a8e91fcc4268e8d15"`
[INFO] running `"docker" "rm" "-f" "dec001a033aa564c980ac4f1a8fdbc2bd4017a3aefecbf8a8e91fcc4268e8d15"`
[INFO] [stdout] dec001a033aa564c980ac4f1a8fdbc2bd4017a3aefecbf8a8e91fcc4268e8d15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec51f707489cd3c8660b0bbed1be89ee4b6819c2f30298841c7bab737653dc63
[INFO] running `"docker" "start" "-a" "ec51f707489cd3c8660b0bbed1be89ee4b6819c2f30298841c7bab737653dc63"`
[INFO] [stderr]    Compiling rustc-perf-regression v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `"docker" "inspect" "ec51f707489cd3c8660b0bbed1be89ee4b6819c2f30298841c7bab737653dc63"`
[INFO] running `"docker" "rm" "-f" "ec51f707489cd3c8660b0bbed1be89ee4b6819c2f30298841c7bab737653dc63"`
[INFO] [stdout] ec51f707489cd3c8660b0bbed1be89ee4b6819c2f30298841c7bab737653dc63
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ff688a26084cd8e4c91e9af1ce6e572fc018a1cffb037cd95155749f4e2778b7
[INFO] running `"docker" "start" "-a" "ff688a26084cd8e4c91e9af1ce6e572fc018a1cffb037cd95155749f4e2778b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustc_perf_regression-534e469894d441ae
[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" "ff688a26084cd8e4c91e9af1ce6e572fc018a1cffb037cd95155749f4e2778b7"`
[INFO] running `"docker" "rm" "-f" "ff688a26084cd8e4c91e9af1ce6e572fc018a1cffb037cd95155749f4e2778b7"`
[INFO] [stdout] ff688a26084cd8e4c91e9af1ce6e572fc018a1cffb037cd95155749f4e2778b7