[INFO] updating cached repository Vrekt/RustBenchmark
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vrekt/RustBenchmark
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vrekt/RustBenchmark" "work/ex/beta-1.38-1/sources/1.37.0/gh/Vrekt/RustBenchmark"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Vrekt/RustBenchmark'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vrekt/RustBenchmark" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vrekt/RustBenchmark"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vrekt/RustBenchmark'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f3ae9df5e6f68aa71d01e2a0c047dfbf1f4e00e0
[INFO] sha for GitHub repo Vrekt/RustBenchmark: f3ae9df5e6f68aa71d01e2a0c047dfbf1f4e00e0
[INFO] validating manifest of Vrekt/RustBenchmark 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 Vrekt/RustBenchmark 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 Vrekt/RustBenchmark
[INFO] finished frobbing Vrekt/RustBenchmark
[INFO] frobbed toml for Vrekt/RustBenchmark written to work/ex/beta-1.38-1/sources/1.37.0/gh/Vrekt/RustBenchmark/Cargo.toml
[INFO] started frobbing Vrekt/RustBenchmark
[INFO] finished frobbing Vrekt/RustBenchmark
[INFO] frobbed toml for Vrekt/RustBenchmark written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vrekt/RustBenchmark/Cargo.toml
[INFO] crate Vrekt/RustBenchmark 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 Vrekt/RustBenchmark 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-4/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/Vrekt/RustBenchmark:/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] e5b9340b67f0e6df1f9af2b112623b5bcac1627a00976279460da794e619433d
[INFO] running `"docker" "start" "-a" "e5b9340b67f0e6df1f9af2b112623b5bcac1627a00976279460da794e619433d"`
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling RustProject v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustProject` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_project`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.03s
[INFO] running `"docker" "inspect" "e5b9340b67f0e6df1f9af2b112623b5bcac1627a00976279460da794e619433d"`
[INFO] running `"docker" "rm" "-f" "e5b9340b67f0e6df1f9af2b112623b5bcac1627a00976279460da794e619433d"`
[INFO] [stdout] e5b9340b67f0e6df1f9af2b112623b5bcac1627a00976279460da794e619433d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/Vrekt/RustBenchmark:/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] f3f28b28b1111d3fa10650e6b262e547daab7a892a2dfce4deac6d237e4d2a81
[INFO] running `"docker" "start" "-a" "f3f28b28b1111d3fa10650e6b262e547daab7a892a2dfce4deac6d237e4d2a81"`
[INFO] [stderr]    Compiling RustProject v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `RustProject` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `rust_project`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "f3f28b28b1111d3fa10650e6b262e547daab7a892a2dfce4deac6d237e4d2a81"`
[INFO] running `"docker" "rm" "-f" "f3f28b28b1111d3fa10650e6b262e547daab7a892a2dfce4deac6d237e4d2a81"`
[INFO] [stdout] f3f28b28b1111d3fa10650e6b262e547daab7a892a2dfce4deac6d237e4d2a81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/Vrekt/RustBenchmark:/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] 428e89635e71ff78a5c39ad663770f14ef97eb5846f75df4407da34cea71ba26
[INFO] running `"docker" "start" "-a" "428e89635e71ff78a5c39ad663770f14ef97eb5846f75df4407da34cea71ba26"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/RustProject-1b259861748f0b77
[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" "428e89635e71ff78a5c39ad663770f14ef97eb5846f75df4407da34cea71ba26"`
[INFO] running `"docker" "rm" "-f" "428e89635e71ff78a5c39ad663770f14ef97eb5846f75df4407da34cea71ba26"`
[INFO] [stdout] 428e89635e71ff78a5c39ad663770f14ef97eb5846f75df4407da34cea71ba26