[INFO] fetching crate sigchld 0.2.5...
[INFO] checking sigchld-0.2.5 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate sigchld 0.2.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sigchld 0.2.5
[INFO] finished tweaking crates.io crate sigchld 0.2.5
[INFO] tweaked toml for crates.io crate sigchld 0.2.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sigchld 0.2.5 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sigchld 0.2.5 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sigchld v0.2.4
[INFO] [stderr]   Downloaded shared_child v1.1.1
[INFO] [stderr]   Downloaded duct v1.1.1
[INFO] [stderr]   Downloaded shared_thread v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19
[INFO] running `Command { std: "docker" "start" "4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling signal-hook v0.4.4
[INFO] [stderr]     Checking shared_thread v0.2.0
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking sigchld v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sigchld v0.2.4
[INFO] [stderr]     Checking shared_child v1.1.1
[INFO] [stderr]     Checking duct v1.1.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19", kill_on_drop: false }`
[INFO] [stdout] 4375ae7ec8d464acb549db52ba64037fe334161694ed3bb7dbd0a739bf10da19
