[INFO] fetching crate netkit 0.0.1...
[INFO] building netkit-0.0.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate netkit 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate netkit 0.0.1
[INFO] finished tweaking crates.io crate netkit 0.0.1
[INFO] tweaked toml for crates.io crate netkit 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate netkit 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 00c7000fbd9b841af3ef9ad74e73e3c2effe85c41395f3abd495db35a01212c9
[INFO] running `Command { std: "docker" "start" "-a" "00c7000fbd9b841af3ef9ad74e73e3c2effe85c41395f3abd495db35a01212c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c7000fbd9b841af3ef9ad74e73e3c2effe85c41395f3abd495db35a01212c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c7000fbd9b841af3ef9ad74e73e3c2effe85c41395f3abd495db35a01212c9", kill_on_drop: false }`
[INFO] [stdout] 00c7000fbd9b841af3ef9ad74e73e3c2effe85c41395f3abd495db35a01212c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 06b22aa60522f11b358b8ac20239a44fbf62a8f7f4a1b21cb65e5239a0c1ba59
[INFO] running `Command { std: "docker" "start" "-a" "06b22aa60522f11b358b8ac20239a44fbf62a8f7f4a1b21cb65e5239a0c1ba59", kill_on_drop: false }`
[INFO] [stderr]    Compiling netkit v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "06b22aa60522f11b358b8ac20239a44fbf62a8f7f4a1b21cb65e5239a0c1ba59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b22aa60522f11b358b8ac20239a44fbf62a8f7f4a1b21cb65e5239a0c1ba59", kill_on_drop: false }`
[INFO] [stdout] 06b22aa60522f11b358b8ac20239a44fbf62a8f7f4a1b21cb65e5239a0c1ba59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 70883c6d666b0cae64ecd39cb1c801ae15f3c02e6186406c66a3e35be298ece5
[INFO] running `Command { std: "docker" "start" "-a" "70883c6d666b0cae64ecd39cb1c801ae15f3c02e6186406c66a3e35be298ece5", kill_on_drop: false }`
[INFO] [stderr]    Compiling netkit v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "70883c6d666b0cae64ecd39cb1c801ae15f3c02e6186406c66a3e35be298ece5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70883c6d666b0cae64ecd39cb1c801ae15f3c02e6186406c66a3e35be298ece5", kill_on_drop: false }`
[INFO] [stdout] 70883c6d666b0cae64ecd39cb1c801ae15f3c02e6186406c66a3e35be298ece5