[INFO] updating cached repository nobleach/cc-2018-02-23
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nobleach/cc-2018-02-23
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nobleach/cc-2018-02-23" "work/ex/beta-1.38-1/sources/1.37.0/gh/nobleach/cc-2018-02-23"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nobleach/cc-2018-02-23'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nobleach/cc-2018-02-23" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nobleach/cc-2018-02-23"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nobleach/cc-2018-02-23'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd10ba5e02310e27c6181c88a4cc1cc21df2e38f
[INFO] sha for GitHub repo nobleach/cc-2018-02-23: dd10ba5e02310e27c6181c88a4cc1cc21df2e38f
[INFO] validating manifest of nobleach/cc-2018-02-23 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 nobleach/cc-2018-02-23 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 nobleach/cc-2018-02-23
[INFO] finished frobbing nobleach/cc-2018-02-23
[INFO] frobbed toml for nobleach/cc-2018-02-23 written to work/ex/beta-1.38-1/sources/1.37.0/gh/nobleach/cc-2018-02-23/Cargo.toml
[INFO] started frobbing nobleach/cc-2018-02-23
[INFO] finished frobbing nobleach/cc-2018-02-23
[INFO] frobbed toml for nobleach/cc-2018-02-23 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nobleach/cc-2018-02-23/Cargo.toml
[INFO] crate nobleach/cc-2018-02-23 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing nobleach/cc-2018-02-23 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/nobleach/cc-2018-02-23:/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] 9aaca4751bdfc5ab292e87c120e8f1bb8e79da3e146f1bd0089a4e0689a14068
[INFO] running `"docker" "start" "-a" "9aaca4751bdfc5ab292e87c120e8f1bb8e79da3e146f1bd0089a4e0689a14068"`
[INFO] [stderr]    Compiling rust-balanced-brackets v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "9aaca4751bdfc5ab292e87c120e8f1bb8e79da3e146f1bd0089a4e0689a14068"`
[INFO] running `"docker" "rm" "-f" "9aaca4751bdfc5ab292e87c120e8f1bb8e79da3e146f1bd0089a4e0689a14068"`
[INFO] [stdout] 9aaca4751bdfc5ab292e87c120e8f1bb8e79da3e146f1bd0089a4e0689a14068
[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/nobleach/cc-2018-02-23:/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] 501bd792c8233074235302761a67d825ada628fb45590d9108c3d0f3021f7ada
[INFO] running `"docker" "start" "-a" "501bd792c8233074235302761a67d825ada628fb45590d9108c3d0f3021f7ada"`
[INFO] [stderr]    Compiling rust-balanced-brackets v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "501bd792c8233074235302761a67d825ada628fb45590d9108c3d0f3021f7ada"`
[INFO] running `"docker" "rm" "-f" "501bd792c8233074235302761a67d825ada628fb45590d9108c3d0f3021f7ada"`
[INFO] [stdout] 501bd792c8233074235302761a67d825ada628fb45590d9108c3d0f3021f7ada
[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/nobleach/cc-2018-02-23:/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] fc2ebec6df76657126ee28728a5b818ab699f0490d9ba79e3d1f86ceeb36fb0e
[INFO] running `"docker" "start" "-a" "fc2ebec6df76657126ee28728a5b818ab699f0490d9ba79e3d1f86ceeb36fb0e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_balanced_brackets-ceeb3a3151bbf23c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_is_balanced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fc2ebec6df76657126ee28728a5b818ab699f0490d9ba79e3d1f86ceeb36fb0e"`
[INFO] running `"docker" "rm" "-f" "fc2ebec6df76657126ee28728a5b818ab699f0490d9ba79e3d1f86ceeb36fb0e"`
[INFO] [stdout] fc2ebec6df76657126ee28728a5b818ab699f0490d9ba79e3d1f86ceeb36fb0e