[INFO] updating cached repository nu-rust-course/bench2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nu-rust-course/bench2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nu-rust-course/bench2" "work/ex/beta-1.38-1/sources/1.37.0/gh/nu-rust-course/bench2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nu-rust-course/bench2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nu-rust-course/bench2" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nu-rust-course/bench2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nu-rust-course/bench2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 742b9998bb3aa65879ebc048799aa0fa35503438
[INFO] sha for GitHub repo nu-rust-course/bench2: 742b9998bb3aa65879ebc048799aa0fa35503438
[INFO] validating manifest of nu-rust-course/bench2 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 nu-rust-course/bench2 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 nu-rust-course/bench2
[INFO] finished frobbing nu-rust-course/bench2
[INFO] frobbed toml for nu-rust-course/bench2 written to work/ex/beta-1.38-1/sources/1.37.0/gh/nu-rust-course/bench2/Cargo.toml
[INFO] started frobbing nu-rust-course/bench2
[INFO] finished frobbing nu-rust-course/bench2
[INFO] frobbed toml for nu-rust-course/bench2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nu-rust-course/bench2/Cargo.toml
[INFO] crate nu-rust-course/bench2 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 nu-rust-course/bench2 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-0/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/nu-rust-course/bench2:/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] a99f1230f93db0141e1f7f149fc9de4d0a0640a884d712325cec5294417092ac
[INFO] running `"docker" "start" "-a" "a99f1230f93db0141e1f7f149fc9de4d0a0640a884d712325cec5294417092ac"`
[INFO] [stderr]    Compiling bench2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `"docker" "inspect" "a99f1230f93db0141e1f7f149fc9de4d0a0640a884d712325cec5294417092ac"`
[INFO] running `"docker" "rm" "-f" "a99f1230f93db0141e1f7f149fc9de4d0a0640a884d712325cec5294417092ac"`
[INFO] [stdout] a99f1230f93db0141e1f7f149fc9de4d0a0640a884d712325cec5294417092ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/nu-rust-course/bench2:/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] 5757a35d0f7a431ca06ef58f9b22eaa8d4884902d2c09129fdb1ba4fef24a4c1
[INFO] running `"docker" "start" "-a" "5757a35d0f7a431ca06ef58f9b22eaa8d4884902d2c09129fdb1ba4fef24a4c1"`
[INFO] [stderr]    Compiling bench2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "5757a35d0f7a431ca06ef58f9b22eaa8d4884902d2c09129fdb1ba4fef24a4c1"`
[INFO] running `"docker" "rm" "-f" "5757a35d0f7a431ca06ef58f9b22eaa8d4884902d2c09129fdb1ba4fef24a4c1"`
[INFO] [stdout] 5757a35d0f7a431ca06ef58f9b22eaa8d4884902d2c09129fdb1ba4fef24a4c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/nu-rust-course/bench2:/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] 06a2164e889557659fffa5dc4e940d19ff670aca2bf81e70df12e87c10b384d1
[INFO] running `"docker" "start" "-a" "06a2164e889557659fffa5dc4e940d19ff670aca2bf81e70df12e87c10b384d1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bench2-636e7b0ce7b0a0b3
[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" "06a2164e889557659fffa5dc4e940d19ff670aca2bf81e70df12e87c10b384d1"`
[INFO] running `"docker" "rm" "-f" "06a2164e889557659fffa5dc4e940d19ff670aca2bf81e70df12e87c10b384d1"`
[INFO] [stdout] 06a2164e889557659fffa5dc4e940d19ff670aca2bf81e70df12e87c10b384d1