[INFO] updating cached repository https://github.com/nobleach/cc-2018-02-23
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd10ba5e02310e27c6181c88a4cc1cc21df2e38f
[INFO] testing nobleach/cc-2018-02-23 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnobleach%2Fcc-2018-02-23" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nobleach/cc-2018-02-23 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nobleach/cc-2018-02-23
[INFO] finished tweaking git repo https://github.com/nobleach/cc-2018-02-23
[INFO] tweaked toml for git repo https://github.com/nobleach/cc-2018-02-23 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nobleach/cc-2018-02-23 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c497b5c44f9d6ef733024440bf0fa19aa1aecbaa91e23c125a4d5e7fb5053abf
[INFO] running `"docker" "start" "-a" "c497b5c44f9d6ef733024440bf0fa19aa1aecbaa91e23c125a4d5e7fb5053abf"`
[INFO] [stderr]    Compiling rust-balanced-brackets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "c497b5c44f9d6ef733024440bf0fa19aa1aecbaa91e23c125a4d5e7fb5053abf"`
[INFO] running `"docker" "rm" "-f" "c497b5c44f9d6ef733024440bf0fa19aa1aecbaa91e23c125a4d5e7fb5053abf"`
[INFO] [stdout] c497b5c44f9d6ef733024440bf0fa19aa1aecbaa91e23c125a4d5e7fb5053abf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4cc03ee803c5af36f69ed2b4f626666f3b32b64522ece35eb1b5ca416b148ac
[INFO] running `"docker" "start" "-a" "f4cc03ee803c5af36f69ed2b4f626666f3b32b64522ece35eb1b5ca416b148ac"`
[INFO] [stderr]    Compiling rust-balanced-brackets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "f4cc03ee803c5af36f69ed2b4f626666f3b32b64522ece35eb1b5ca416b148ac"`
[INFO] running `"docker" "rm" "-f" "f4cc03ee803c5af36f69ed2b4f626666f3b32b64522ece35eb1b5ca416b148ac"`
[INFO] [stdout] f4cc03ee803c5af36f69ed2b4f626666f3b32b64522ece35eb1b5ca416b148ac
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 7f7c3cfcf58122cfa3b822e64742239d5049c6901cc8ae4eb9af3d4a63850d64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7f7c3cfcf58122cfa3b822e64742239d5049c6901cc8ae4eb9af3d4a63850d64"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_balanced_brackets-3fa3b39736daf327
[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" "7f7c3cfcf58122cfa3b822e64742239d5049c6901cc8ae4eb9af3d4a63850d64"`
[INFO] running `"docker" "rm" "-f" "7f7c3cfcf58122cfa3b822e64742239d5049c6901cc8ae4eb9af3d4a63850d64"`
[INFO] [stdout] 7f7c3cfcf58122cfa3b822e64742239d5049c6901cc8ae4eb9af3d4a63850d64