[INFO] fetching crate grep 0.2.8...
[INFO] testing grep-0.2.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate grep 0.2.8 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate grep 0.2.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep 0.2.8
[INFO] finished tweaking crates.io crate grep 0.2.8
[INFO] tweaked toml for crates.io crate grep 0.2.8 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate grep 0.2.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 016d97f232e6f21cd7c6c8f5aece8c1468c56a9e58197739bf28bb2de8221649
[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" "016d97f232e6f21cd7c6c8f5aece8c1468c56a9e58197739bf28bb2de8221649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "016d97f232e6f21cd7c6c8f5aece8c1468c56a9e58197739bf28bb2de8221649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016d97f232e6f21cd7c6c8f5aece8c1468c56a9e58197739bf28bb2de8221649", kill_on_drop: false }`
[INFO] [stdout] 016d97f232e6f21cd7c6c8f5aece8c1468c56a9e58197739bf28bb2de8221649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeaee7ea21d5e3354e1102a25eee4ca079c4bdf7c27cd30b1f1f6e42c0935eec
[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" "aeaee7ea21d5e3354e1102a25eee4ca079c4bdf7c27cd30b1f1f6e42c0935eec", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling grep-matcher v0.1.5
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling memmap2 v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling grep-searcher v0.1.8
[INFO] [stderr]    Compiling globset v0.4.7
[INFO] [stderr]    Compiling grep-regex v0.1.9
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling grep-cli v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling grep-printer v0.1.6
[INFO] [stderr]    Compiling grep v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.31s
[INFO] running `Command { std: "docker" "inspect" "aeaee7ea21d5e3354e1102a25eee4ca079c4bdf7c27cd30b1f1f6e42c0935eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeaee7ea21d5e3354e1102a25eee4ca079c4bdf7c27cd30b1f1f6e42c0935eec", kill_on_drop: false }`
[INFO] [stdout] aeaee7ea21d5e3354e1102a25eee4ca079c4bdf7c27cd30b1f1f6e42c0935eec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8b13d80b1a617bad8145d9f3f81b193cdbe6b633e22f33a786f76b471399264
[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" "c8b13d80b1a617bad8145d9f3f81b193cdbe6b633e22f33a786f76b471399264", kill_on_drop: false }`
[INFO] [stderr]    Compiling grep v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "c8b13d80b1a617bad8145d9f3f81b193cdbe6b633e22f33a786f76b471399264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b13d80b1a617bad8145d9f3f81b193cdbe6b633e22f33a786f76b471399264", kill_on_drop: false }`
[INFO] [stdout] c8b13d80b1a617bad8145d9f3f81b193cdbe6b633e22f33a786f76b471399264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b817c50567bbac2fe8b9943bb43e1dece8774cf6706a666dc7754af6103df666
[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" "b817c50567bbac2fe8b9943bb43e1dece8774cf6706a666dc7754af6103df666", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grep-d15ea24c0134b955)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grep
[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] running `Command { std: "docker" "inspect" "b817c50567bbac2fe8b9943bb43e1dece8774cf6706a666dc7754af6103df666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b817c50567bbac2fe8b9943bb43e1dece8774cf6706a666dc7754af6103df666", kill_on_drop: false }`
[INFO] [stdout] b817c50567bbac2fe8b9943bb43e1dece8774cf6706a666dc7754af6103df666