[INFO] fetching crate minigrep_improved 0.1.2...
[INFO] building minigrep_improved-0.1.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate minigrep_improved 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate minigrep_improved 0.1.2
[INFO] finished tweaking crates.io crate minigrep_improved 0.1.2
[INFO] tweaked toml for crates.io crate minigrep_improved 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep_improved 0.1.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep_improved 0.1.2 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 192f3fe7197f28b83f8557c68ba3644cd530a2192dd1f449f28ff26e4d2a6155
[INFO] running `Command { std: "docker" "start" "-a" "192f3fe7197f28b83f8557c68ba3644cd530a2192dd1f449f28ff26e4d2a6155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "192f3fe7197f28b83f8557c68ba3644cd530a2192dd1f449f28ff26e4d2a6155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192f3fe7197f28b83f8557c68ba3644cd530a2192dd1f449f28ff26e4d2a6155", kill_on_drop: false }`
[INFO] [stdout] 192f3fe7197f28b83f8557c68ba3644cd530a2192dd1f449f28ff26e4d2a6155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 781956956fa3ea0a6d244b35b3ef9d63afb610eb6119fb27677e2bffd70c736d
[INFO] running `Command { std: "docker" "start" "-a" "781956956fa3ea0a6d244b35b3ef9d63afb610eb6119fb27677e2bffd70c736d", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_improved v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "781956956fa3ea0a6d244b35b3ef9d63afb610eb6119fb27677e2bffd70c736d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781956956fa3ea0a6d244b35b3ef9d63afb610eb6119fb27677e2bffd70c736d", kill_on_drop: false }`
[INFO] [stdout] 781956956fa3ea0a6d244b35b3ef9d63afb610eb6119fb27677e2bffd70c736d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3636e1f962aa912ee461bfcba47a698f1aee78be24b0bfa57f9ba375e39502c8
[INFO] running `Command { std: "docker" "start" "-a" "3636e1f962aa912ee461bfcba47a698f1aee78be24b0bfa57f9ba375e39502c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_improved v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "3636e1f962aa912ee461bfcba47a698f1aee78be24b0bfa57f9ba375e39502c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3636e1f962aa912ee461bfcba47a698f1aee78be24b0bfa57f9ba375e39502c8", kill_on_drop: false }`
[INFO] [stdout] 3636e1f962aa912ee461bfcba47a698f1aee78be24b0bfa57f9ba375e39502c8