[INFO] fetching crate unshare 0.7.0...
[INFO] checking unshare-0.7.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate unshare 0.7.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate unshare 0.7.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unshare 0.7.0
[INFO] finished tweaking crates.io crate unshare 0.7.0
[INFO] tweaked toml for crates.io crate unshare 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate unshare 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argparse v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 649cffd552c6109a14c78189a05a7f5782ba409535c8e5012125acccbe8b12a0
[INFO] running `Command { std: "docker" "start" "-a" "649cffd552c6109a14c78189a05a7f5782ba409535c8e5012125acccbe8b12a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "649cffd552c6109a14c78189a05a7f5782ba409535c8e5012125acccbe8b12a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649cffd552c6109a14c78189a05a7f5782ba409535c8e5012125acccbe8b12a0", kill_on_drop: false }`
[INFO] [stdout] 649cffd552c6109a14c78189a05a7f5782ba409535c8e5012125acccbe8b12a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a884108e4ced71ec57ce31a77f8971cc650897aa3a151852599a8dfabd4bd109
[INFO] running `Command { std: "docker" "start" "-a" "a884108e4ced71ec57ce31a77f8971cc650897aa3a151852599a8dfabd4bd109", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking unshare v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.67s
[INFO] running `Command { std: "docker" "inspect" "a884108e4ced71ec57ce31a77f8971cc650897aa3a151852599a8dfabd4bd109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a884108e4ced71ec57ce31a77f8971cc650897aa3a151852599a8dfabd4bd109", kill_on_drop: false }`
[INFO] [stdout] a884108e4ced71ec57ce31a77f8971cc650897aa3a151852599a8dfabd4bd109