[INFO] fetching crate mio-signals 0.1.5...
[INFO] checking mio-signals-0.1.5 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate mio-signals 0.1.5 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate mio-signals 0.1.5 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 mio-signals 0.1.5
[INFO] finished tweaking crates.io crate mio-signals 0.1.5
[INFO] tweaked toml for crates.io crate mio-signals 0.1.5 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate mio-signals 0.1.5 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e3e707a0b6cd28dca26d8f7fa40b32010be6cd7b53864124ed6710b1d1e38624
[INFO] running `Command { std: "docker" "start" "-a" "e3e707a0b6cd28dca26d8f7fa40b32010be6cd7b53864124ed6710b1d1e38624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3e707a0b6cd28dca26d8f7fa40b32010be6cd7b53864124ed6710b1d1e38624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e707a0b6cd28dca26d8f7fa40b32010be6cd7b53864124ed6710b1d1e38624", kill_on_drop: false }`
[INFO] [stdout] e3e707a0b6cd28dca26d8f7fa40b32010be6cd7b53864124ed6710b1d1e38624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 5d39d2728407354814dbbe9e64b6d73c4338ec23b7a78f2de85fa52ce75886df
[INFO] running `Command { std: "docker" "start" "-a" "5d39d2728407354814dbbe9e64b6d73c4338ec23b7a78f2de85fa52ce75886df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking mio-signals v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "5d39d2728407354814dbbe9e64b6d73c4338ec23b7a78f2de85fa52ce75886df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d39d2728407354814dbbe9e64b6d73c4338ec23b7a78f2de85fa52ce75886df", kill_on_drop: false }`
[INFO] [stdout] 5d39d2728407354814dbbe9e64b6d73c4338ec23b7a78f2de85fa52ce75886df