[INFO] fetching crate pipe-logger 1.1.12...
[INFO] testing pipe-logger-1.1.12 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate pipe-logger 1.1.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pipe-logger 1.1.12 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 pipe-logger 1.1.12
[INFO] finished tweaking crates.io crate pipe-logger 1.1.12
[INFO] tweaked toml for crates.io crate pipe-logger 1.1.12 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pipe-logger 1.1.12 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 path-dedot v3.0.0
[INFO] [stderr]   Downloaded lzma-sys v0.1.16
[INFO] [stderr]   Downloaded pipe-logger-lib v1.1.10
[INFO] [stderr]   Downloaded path-absolutize v3.0.0
[INFO] [stderr]   Downloaded concat-with v0.2.0
[INFO] [stderr]   Downloaded byte-unit v4.0.4
[INFO] running `Command { std: "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" "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] 52ebbc033d6c3117eb85308cef9e0ee59c3c96d7778686154b9906d91370998e
[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" "52ebbc033d6c3117eb85308cef9e0ee59c3c96d7778686154b9906d91370998e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52ebbc033d6c3117eb85308cef9e0ee59c3c96d7778686154b9906d91370998e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ebbc033d6c3117eb85308cef9e0ee59c3c96d7778686154b9906d91370998e", kill_on_drop: false }`
[INFO] [stdout] 52ebbc033d6c3117eb85308cef9e0ee59c3c96d7778686154b9906d91370998e
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b0c57e035f9cdc9041937318d20551d7564caa766d783ec04b0cda7ba37a011
[INFO] running `Command { std: "docker" "start" "-a" "2b0c57e035f9cdc9041937318d20551d7564caa766d783ec04b0cda7ba37a011", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling byte-unit v4.0.4
[INFO] [stderr]    Compiling concat-with v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling path-dedot v3.0.0
[INFO] [stderr]    Compiling path-absolutize v3.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.12
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling pipe-logger-lib v1.1.10
[INFO] [stderr]    Compiling pipe-logger v1.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.27s
[INFO] running `Command { std: "docker" "inspect" "2b0c57e035f9cdc9041937318d20551d7564caa766d783ec04b0cda7ba37a011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0c57e035f9cdc9041937318d20551d7564caa766d783ec04b0cda7ba37a011", kill_on_drop: false }`
[INFO] [stdout] 2b0c57e035f9cdc9041937318d20551d7564caa766d783ec04b0cda7ba37a011
[INFO] running `Command { std: "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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a18b5c9c5c4c55341572393b1321921e04edd1c2841ae97d4996bf8d4992e000
[INFO] running `Command { std: "docker" "start" "-a" "a18b5c9c5c4c55341572393b1321921e04edd1c2841ae97d4996bf8d4992e000", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipe-logger v1.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "a18b5c9c5c4c55341572393b1321921e04edd1c2841ae97d4996bf8d4992e000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18b5c9c5c4c55341572393b1321921e04edd1c2841ae97d4996bf8d4992e000", kill_on_drop: false }`
[INFO] [stdout] a18b5c9c5c4c55341572393b1321921e04edd1c2841ae97d4996bf8d4992e000
[INFO] running `Command { std: "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" "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] 45222d3f5b40df91461983f206aea94f8553d55c2f955f4afbd2893d53705df5
[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" "45222d3f5b40df91461983f206aea94f8553d55c2f955f4afbd2893d53705df5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pipe_logger-574aef144fb428b8
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pipe_logger-1b7198940eb3f3ea
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pipe-logger
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45222d3f5b40df91461983f206aea94f8553d55c2f955f4afbd2893d53705df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45222d3f5b40df91461983f206aea94f8553d55c2f955f4afbd2893d53705df5", kill_on_drop: false }`
[INFO] [stdout] 45222d3f5b40df91461983f206aea94f8553d55c2f955f4afbd2893d53705df5