[INFO] fetching crate trim 2.0.1...
[INFO] testing trim-2.0.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate trim 2.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate trim 2.0.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate trim 2.0.1
[INFO] finished tweaking crates.io crate trim 2.0.1
[INFO] tweaked toml for crates.io crate trim 2.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate trim 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] c7e7d951b61a8ce3582a3fdc607ef95d96158c5a95e170a040bbae3d8275bfdf
[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" "c7e7d951b61a8ce3582a3fdc607ef95d96158c5a95e170a040bbae3d8275bfdf"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling colmac v0.1.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[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 23.41s
[INFO] running `"docker" "inspect" "c7e7d951b61a8ce3582a3fdc607ef95d96158c5a95e170a040bbae3d8275bfdf"`
[INFO] running `"docker" "rm" "-f" "c7e7d951b61a8ce3582a3fdc607ef95d96158c5a95e170a040bbae3d8275bfdf"`
[INFO] [stdout] c7e7d951b61a8ce3582a3fdc607ef95d96158c5a95e170a040bbae3d8275bfdf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "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] 93799bd7b29caed104ba5a6dc055cff3b0a81665b2d2f497c6caadf1b51b3192
[INFO] running `"docker" "start" "-a" "93799bd7b29caed104ba5a6dc055cff3b0a81665b2d2f497c6caadf1b51b3192"`
[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 4.14s
[INFO] running `"docker" "inspect" "93799bd7b29caed104ba5a6dc055cff3b0a81665b2d2f497c6caadf1b51b3192"`
[INFO] running `"docker" "rm" "-f" "93799bd7b29caed104ba5a6dc055cff3b0a81665b2d2f497c6caadf1b51b3192"`
[INFO] [stdout] 93799bd7b29caed104ba5a6dc055cff3b0a81665b2d2f497c6caadf1b51b3192
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.44.0" "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] 09af06f95b25cee8725b952159dafd7f5fae1da07451e3fe674bab18340db5cb
[INFO] running `"docker" "start" "-a" "09af06f95b25cee8725b952159dafd7f5fae1da07451e3fe674bab18340db5cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trim-6444f42adfc09007
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test trim::tests::stdout::parametrized_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::stdout::parametrized_suppress_newline ... ok
[INFO] [stdout] test util::tests::readlines::parametrized_readlines ... ok
[INFO] [stdout] test trim::tests::in_place_sequential::parametrized_inplace_n_suppress_newline ... ok
[INFO] [stdout] test trim::tests::in_place_parallel::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" "09af06f95b25cee8725b952159dafd7f5fae1da07451e3fe674bab18340db5cb"`
[INFO] running `"docker" "rm" "-f" "09af06f95b25cee8725b952159dafd7f5fae1da07451e3fe674bab18340db5cb"`
[INFO] [stdout] 09af06f95b25cee8725b952159dafd7f5fae1da07451e3fe674bab18340db5cb