[INFO] fetching crate grep 0.2.7...
[INFO] testing grep-0.2.7 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate grep 0.2.7 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate grep 0.2.7 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep 0.2.7
[INFO] finished tweaking crates.io crate grep 0.2.7
[INFO] tweaked toml for crates.io crate grep 0.2.7 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate grep 0.2.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8cd4d0be4cb505deeec55cf4982ad1d4b535efe5d87d9d6ba3cd929a95a0371
[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" "b8cd4d0be4cb505deeec55cf4982ad1d4b535efe5d87d9d6ba3cd929a95a0371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8cd4d0be4cb505deeec55cf4982ad1d4b535efe5d87d9d6ba3cd929a95a0371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cd4d0be4cb505deeec55cf4982ad1d4b535efe5d87d9d6ba3cd929a95a0371", kill_on_drop: false }`
[INFO] [stdout] b8cd4d0be4cb505deeec55cf4982ad1d4b535efe5d87d9d6ba3cd929a95a0371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] e8d3c85dc94f870ecd2aae12bd2e1320eb8809fd7002fdccd5ca5da69bd1e86c
[INFO] running `Command { std: "docker" "start" "-a" "e8d3c85dc94f870ecd2aae12bd2e1320eb8809fd7002fdccd5ca5da69bd1e86c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling bytecount v0.6.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling grep-matcher v0.1.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling grep-searcher v0.1.7
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling grep-regex v0.1.8
[INFO] [stderr]    Compiling grep-cli v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling grep-printer v0.1.5
[INFO] [stderr]    Compiling grep v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.93s
[INFO] running `Command { std: "docker" "inspect" "e8d3c85dc94f870ecd2aae12bd2e1320eb8809fd7002fdccd5ca5da69bd1e86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d3c85dc94f870ecd2aae12bd2e1320eb8809fd7002fdccd5ca5da69bd1e86c", kill_on_drop: false }`
[INFO] [stdout] e8d3c85dc94f870ecd2aae12bd2e1320eb8809fd7002fdccd5ca5da69bd1e86c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43468d0c85720bc4a09a9b5650534d99685fd636648d081a3f54595e9419f5c5
[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" "43468d0c85720bc4a09a9b5650534d99685fd636648d081a3f54595e9419f5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling grep v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "43468d0c85720bc4a09a9b5650534d99685fd636648d081a3f54595e9419f5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43468d0c85720bc4a09a9b5650534d99685fd636648d081a3f54595e9419f5c5", kill_on_drop: false }`
[INFO] [stdout] 43468d0c85720bc4a09a9b5650534d99685fd636648d081a3f54595e9419f5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b3726fde1145d4c2d98e3f40f743ba3e680ac97a51c341488cf16daa24fa0f4
[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" "7b3726fde1145d4c2d98e3f40f743ba3e680ac97a51c341488cf16daa24fa0f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grep-965542e2c5a2d390)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests grep
[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] [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" "7b3726fde1145d4c2d98e3f40f743ba3e680ac97a51c341488cf16daa24fa0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3726fde1145d4c2d98e3f40f743ba3e680ac97a51c341488cf16daa24fa0f4", kill_on_drop: false }`
[INFO] [stdout] 7b3726fde1145d4c2d98e3f40f743ba3e680ac97a51c341488cf16daa24fa0f4