[INFO] fetching crate sc 0.2.7...
[INFO] checking sc-0.2.7 against master#2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36 for pr-95819
[INFO] extracting crate sc 0.2.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sc 0.2.7 on toolchain 2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc 0.2.7
[INFO] finished tweaking crates.io crate sc 0.2.7
[INFO] tweaked toml for crates.io crate sc 0.2.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate sc 0.2.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef3cf67fee4bec46b5e513ab5dd419b8c64ef4171120b0da0ba4677fe4e771a0
[INFO] running `Command { std: "docker" "start" "-a" "ef3cf67fee4bec46b5e513ab5dd419b8c64ef4171120b0da0ba4677fe4e771a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3cf67fee4bec46b5e513ab5dd419b8c64ef4171120b0da0ba4677fe4e771a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3cf67fee4bec46b5e513ab5dd419b8c64ef4171120b0da0ba4677fe4e771a0", kill_on_drop: false }`
[INFO] [stdout] ef3cf67fee4bec46b5e513ab5dd419b8c64ef4171120b0da0ba4677fe4e771a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86e2e28ee3152549d68c12fab02b5f063a497dec27d538bd9aa66d67db01da9c
[INFO] running `Command { std: "docker" "start" "-a" "86e2e28ee3152549d68c12fab02b5f063a497dec27d538bd9aa66d67db01da9c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking sc v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.37s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "86e2e28ee3152549d68c12fab02b5f063a497dec27d538bd9aa66d67db01da9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e2e28ee3152549d68c12fab02b5f063a497dec27d538bd9aa66d67db01da9c", kill_on_drop: false }`
[INFO] [stdout] 86e2e28ee3152549d68c12fab02b5f063a497dec27d538bd9aa66d67db01da9c