[INFO] fetching crate trim 2.0.1...
[INFO] testing trim-2.0.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate trim 2.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate trim 2.0.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate crates.io crate trim 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colmac v0.1.1
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67100cebd595f9e36edf508da3f20999e734118ae281efb00acf3b7366fcf4e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67100cebd595f9e36edf508da3f20999e734118ae281efb00acf3b7366fcf4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67100cebd595f9e36edf508da3f20999e734118ae281efb00acf3b7366fcf4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67100cebd595f9e36edf508da3f20999e734118ae281efb00acf3b7366fcf4e3", kill_on_drop: false }`
[INFO] [stdout] 67100cebd595f9e36edf508da3f20999e734118ae281efb00acf3b7366fcf4e3
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52f0a4bef98603acea266ce400e11b106338b8d4bbc9dbc242e6a9a464e7eaa3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52f0a4bef98603acea266ce400e11b106338b8d4bbc9dbc242e6a9a464e7eaa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling colmac v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[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 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] [stdout] warning: function is never used: `mktemp`
[INFO] [stdout]   --> src/util.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn mktemp<D>(prefix: &str, content: &D) -> io::Result<PathBuf>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.17s
[INFO] running `Command { std: "docker" "inspect" "52f0a4bef98603acea266ce400e11b106338b8d4bbc9dbc242e6a9a464e7eaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52f0a4bef98603acea266ce400e11b106338b8d4bbc9dbc242e6a9a464e7eaa3", kill_on_drop: false }`
[INFO] [stdout] 52f0a4bef98603acea266ce400e11b106338b8d4bbc9dbc242e6a9a464e7eaa3
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b3d474883bc089084686312f1a68327d67bb27dd94d8e18cb16d2a9b59e95f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38b3d474883bc089084686312f1a68327d67bb27dd94d8e18cb16d2a9b59e95f", kill_on_drop: false }`
[INFO] [stderr]    Compiling trim v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "38b3d474883bc089084686312f1a68327d67bb27dd94d8e18cb16d2a9b59e95f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b3d474883bc089084686312f1a68327d67bb27dd94d8e18cb16d2a9b59e95f", kill_on_drop: false }`
[INFO] [stdout] 38b3d474883bc089084686312f1a68327d67bb27dd94d8e18cb16d2a9b59e95f
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd904dc16ccf850c043e1ad43511434f6070bbaed17fd5cc4f40f11de5a361f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd904dc16ccf850c043e1ad43511434f6070bbaed17fd5cc4f40f11de5a361f1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trim-7f1b312eb327ebe8
[INFO] [stdout] running 7 tests
[INFO] [stdout] test util::tests::readlines::parametrized_readlines ... ok
[INFO] [stdout] test trim::tests::in_place_sequential::parametrized_inplace_suppress_newline ... ok
[INFO] [stdout] test trim::tests::stdout::parametrized_n_suppress_newline ... 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] test trim::tests::stdout::parametrized_suppress_newline ... ok
[INFO] [stdout] test trim::tests::in_place_parallel::parametrized_inplace_suppress_newline ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd904dc16ccf850c043e1ad43511434f6070bbaed17fd5cc4f40f11de5a361f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd904dc16ccf850c043e1ad43511434f6070bbaed17fd5cc4f40f11de5a361f1", kill_on_drop: false }`
[INFO] [stdout] fd904dc16ccf850c043e1ad43511434f6070bbaed17fd5cc4f40f11de5a361f1