[INFO] fetching crate rmgrep 1.1.1...
[INFO] building rmgrep-1.1.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rmgrep 1.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rmgrep 1.1.1
[INFO] finished tweaking crates.io crate rmgrep 1.1.1
[INFO] tweaked toml for crates.io crate rmgrep 1.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmgrep 1.1.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmgrep 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4530464deb89caf2df04f31f897c05e994a91ebe228480d3715d127110599d07
[INFO] running `Command { std: "docker" "start" "-a" "4530464deb89caf2df04f31f897c05e994a91ebe228480d3715d127110599d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4530464deb89caf2df04f31f897c05e994a91ebe228480d3715d127110599d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4530464deb89caf2df04f31f897c05e994a91ebe228480d3715d127110599d07", kill_on_drop: false }`
[INFO] [stdout] 4530464deb89caf2df04f31f897c05e994a91ebe228480d3715d127110599d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab8e4c1505fc92454c3ecbb067db46cf429a0916d77f4180d38bbf8b11dc366
[INFO] running `Command { std: "docker" "start" "-a" "5ab8e4c1505fc92454c3ecbb067db46cf429a0916d77f4180d38bbf8b11dc366", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmgrep v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "5ab8e4c1505fc92454c3ecbb067db46cf429a0916d77f4180d38bbf8b11dc366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab8e4c1505fc92454c3ecbb067db46cf429a0916d77f4180d38bbf8b11dc366", kill_on_drop: false }`
[INFO] [stdout] 5ab8e4c1505fc92454c3ecbb067db46cf429a0916d77f4180d38bbf8b11dc366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be59a82890b12cd5f9bda93fa802d161e47c0cdfa3fe37ea963f54ca1a005a2
[INFO] running `Command { std: "docker" "start" "-a" "9be59a82890b12cd5f9bda93fa802d161e47c0cdfa3fe37ea963f54ca1a005a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmgrep v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "9be59a82890b12cd5f9bda93fa802d161e47c0cdfa3fe37ea963f54ca1a005a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be59a82890b12cd5f9bda93fa802d161e47c0cdfa3fe37ea963f54ca1a005a2", kill_on_drop: false }`
[INFO] [stdout] 9be59a82890b12cd5f9bda93fa802d161e47c0cdfa3fe37ea963f54ca1a005a2