[INFO] fetching crate nbd 0.3.1...
[INFO] checking nbd-0.3.1 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate nbd 0.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate nbd 0.3.1 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nbd 0.3.1
[INFO] finished tweaking crates.io crate nbd 0.3.1
[INFO] tweaked toml for crates.io crate nbd 0.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate nbd 0.3.1 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded readwrite v0.1.2
[INFO] [stderr]   Downloaded proptest v0.8.7
[INFO] [stderr]   Downloaded pipe v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c951bd7e9958c4fcfddd7d55ba3325b00f8572b4a5dd0d23ebfc5c698c3fbce
[INFO] running `Command { std: "docker" "start" "-a" "3c951bd7e9958c4fcfddd7d55ba3325b00f8572b4a5dd0d23ebfc5c698c3fbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c951bd7e9958c4fcfddd7d55ba3325b00f8572b4a5dd0d23ebfc5c698c3fbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c951bd7e9958c4fcfddd7d55ba3325b00f8572b4a5dd0d23ebfc5c698c3fbce", kill_on_drop: false }`
[INFO] [stdout] 3c951bd7e9958c4fcfddd7d55ba3325b00f8572b4a5dd0d23ebfc5c698c3fbce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eabc32a4d3150b07c181e9ece421f62f9945f1b340aa533770db39f4e059ff0e
[INFO] running `Command { std: "docker" "start" "-a" "eabc32a4d3150b07c181e9ece421f62f9945f1b340aa533770db39f4e059ff0e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking pipe v0.0.3
[INFO] [stderr]     Checking readwrite v0.1.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking nbd v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "eabc32a4d3150b07c181e9ece421f62f9945f1b340aa533770db39f4e059ff0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabc32a4d3150b07c181e9ece421f62f9945f1b340aa533770db39f4e059ff0e", kill_on_drop: false }`
[INFO] [stdout] eabc32a4d3150b07c181e9ece421f62f9945f1b340aa533770db39f4e059ff0e