[INFO] fetching crate py_env 1.2.0...
[INFO] checking py_env-1.2.0 against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] extracting crate py_env 1.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate py_env 1.2.0
[INFO] finished tweaking crates.io crate py_env 1.2.0
[INFO] tweaked toml for crates.io crate py_env 1.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate py_env 1.2.0 on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate py_env 1.2.0 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60d17d61a2ee52b3abb6f30b61dc3a91ee646c80d445253036a2724fb5695920
[INFO] running `Command { std: "docker" "start" "-a" "60d17d61a2ee52b3abb6f30b61dc3a91ee646c80d445253036a2724fb5695920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60d17d61a2ee52b3abb6f30b61dc3a91ee646c80d445253036a2724fb5695920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d17d61a2ee52b3abb6f30b61dc3a91ee646c80d445253036a2724fb5695920", kill_on_drop: false }`
[INFO] [stdout] 60d17d61a2ee52b3abb6f30b61dc3a91ee646c80d445253036a2724fb5695920
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8abedeb27d52a8ec1eb2f712dd86bae58a3dbef8ae5e42ee116414bfa86e601f
[INFO] running `Command { std: "docker" "start" "-a" "8abedeb27d52a8ec1eb2f712dd86bae58a3dbef8ae5e42ee116414bfa86e601f", kill_on_drop: false }`
[INFO] [stderr]     Checking py_env v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "8abedeb27d52a8ec1eb2f712dd86bae58a3dbef8ae5e42ee116414bfa86e601f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abedeb27d52a8ec1eb2f712dd86bae58a3dbef8ae5e42ee116414bfa86e601f", kill_on_drop: false }`
[INFO] [stdout] 8abedeb27d52a8ec1eb2f712dd86bae58a3dbef8ae5e42ee116414bfa86e601f