[INFO] fetching crate io-block 0.2.2...
[INFO] checking io-block-0.2.2 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate io-block 0.2.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate io-block 0.2.2 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 io-block 0.2.2
[INFO] finished tweaking crates.io crate io-block 0.2.2
[INFO] tweaked toml for crates.io crate io-block 0.2.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate io-block 0.2.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.26.2
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 123b1b14a45660742138234c7acb0f496b7ec1677f667c5c258c465eab3ecfe9
[INFO] running `Command { std: "docker" "start" "-a" "123b1b14a45660742138234c7acb0f496b7ec1677f667c5c258c465eab3ecfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "123b1b14a45660742138234c7acb0f496b7ec1677f667c5c258c465eab3ecfe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123b1b14a45660742138234c7acb0f496b7ec1677f667c5c258c465eab3ecfe9", kill_on_drop: false }`
[INFO] [stdout] 123b1b14a45660742138234c7acb0f496b7ec1677f667c5c258c465eab3ecfe9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b8a975751ca753e86d445c4480274d3ec59c293a359e6190d8c8b6f9990587f6
[INFO] running `Command { std: "docker" "start" "-a" "b8a975751ca753e86d445c4480274d3ec59c293a359e6190d8c8b6f9990587f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking io-block v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `Command { std: "docker" "inspect" "b8a975751ca753e86d445c4480274d3ec59c293a359e6190d8c8b6f9990587f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a975751ca753e86d445c4480274d3ec59c293a359e6190d8c8b6f9990587f6", kill_on_drop: false }`
[INFO] [stdout] b8a975751ca753e86d445c4480274d3ec59c293a359e6190d8c8b6f9990587f6