[INFO] cloning repository https://github.com/jchoi5me/trim
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jchoi5me/trim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchoi5me%2Ftrim"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchoi5me%2Ftrim'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30254b05a30dd4a6541360b3bb2b07fc20b4ca15
[INFO] testing jchoi5me/trim against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchoi5me%2Ftrim" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jchoi5me/trim on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jchoi5me/trim
[INFO] finished tweaking git repo https://github.com/jchoi5me/trim
[INFO] tweaked toml for git repo https://github.com/jchoi5me/trim written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jchoi5me/trim already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "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] b4e5ac6a156fef31d96beb2a375e5544b9b306171af6c36e8415bc4d18890eb7
[INFO] running `"docker" "start" "-a" "b4e5ac6a156fef31d96beb2a375e5544b9b306171af6c36e8415bc4d18890eb7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling colmac v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling trim v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `mktemp`
[INFO] [stderr]   --> src/util.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn mktemp<D>(prefix: &str, content: &D) -> io::Result<PathBuf>
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.73s
[INFO] running `"docker" "inspect" "b4e5ac6a156fef31d96beb2a375e5544b9b306171af6c36e8415bc4d18890eb7"`
[INFO] running `"docker" "rm" "-f" "b4e5ac6a156fef31d96beb2a375e5544b9b306171af6c36e8415bc4d18890eb7"`
[INFO] [stdout] b4e5ac6a156fef31d96beb2a375e5544b9b306171af6c36e8415bc4d18890eb7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "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] 6e3d51db1c6f416cfd78b1f9ee0a19d68b14026e76b9fc660c88e8dc6a5f0f02
[INFO] running `"docker" "start" "-a" "6e3d51db1c6f416cfd78b1f9ee0a19d68b14026e76b9fc660c88e8dc6a5f0f02"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling trim v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `"docker" "inspect" "6e3d51db1c6f416cfd78b1f9ee0a19d68b14026e76b9fc660c88e8dc6a5f0f02"`
[INFO] running `"docker" "rm" "-f" "6e3d51db1c6f416cfd78b1f9ee0a19d68b14026e76b9fc660c88e8dc6a5f0f02"`
[INFO] [stdout] 6e3d51db1c6f416cfd78b1f9ee0a19d68b14026e76b9fc660c88e8dc6a5f0f02
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc3d41e71c7a41b7d72ee838c2b3383aff50c5fe78162f6c06be56da7a19e9eb
[INFO] running `"docker" "start" "-a" "fc3d41e71c7a41b7d72ee838c2b3383aff50c5fe78162f6c06be56da7a19e9eb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trim-b70db6353fb0a9d6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test trim::tests::stdout::parametrized_n_suppress_newline ... ok
[INFO] [stdout] test trim::tests::stdout::parametrized_suppress_newline ... ok
[INFO] [stdout] test util::tests::readlines::parametrized_readlines ... ok
[INFO] [stdout] test trim::tests::in_place_parallel::parametrized_inplace_n_suppress_newline ... ok
[INFO] [stdout] test trim::tests::in_place_parallel::parametrized_inplace_suppress_newline ... ok
[INFO] [stdout] test trim::tests::in_place_sequential::parametrized_inplace_suppress_newline ... ok
[INFO] [stdout] test trim::tests::in_place_sequential::parametrized_inplace_n_suppress_newline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fc3d41e71c7a41b7d72ee838c2b3383aff50c5fe78162f6c06be56da7a19e9eb"`
[INFO] running `"docker" "rm" "-f" "fc3d41e71c7a41b7d72ee838c2b3383aff50c5fe78162f6c06be56da7a19e9eb"`
[INFO] [stdout] fc3d41e71c7a41b7d72ee838c2b3383aff50c5fe78162f6c06be56da7a19e9eb