[INFO] fetching crate rgb2hex 0.3.0...
[INFO] checking rgb2hex-0.3.0 against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] extracting crate rgb2hex 0.3.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate rgb2hex 0.3.0 on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rgb2hex 0.3.0
[INFO] finished tweaking crates.io crate rgb2hex 0.3.0
[INFO] tweaked toml for crates.io crate rgb2hex 0.3.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8c37486c966847bc99a4052ec430ea064e316e8695034558673e9bfab8c531d
[INFO] running `Command { std: "docker" "start" "-a" "b8c37486c966847bc99a4052ec430ea064e316e8695034558673e9bfab8c531d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8c37486c966847bc99a4052ec430ea064e316e8695034558673e9bfab8c531d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c37486c966847bc99a4052ec430ea064e316e8695034558673e9bfab8c531d", kill_on_drop: false }`
[INFO] [stdout] b8c37486c966847bc99a4052ec430ea064e316e8695034558673e9bfab8c531d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f94acfc9c021f9a6221621e2ff98a84fcff743ce96fd5114aefd2f7d51b42a5
[INFO] running `Command { std: "docker" "start" "-a" "7f94acfc9c021f9a6221621e2ff98a84fcff743ce96fd5114aefd2f7d51b42a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rgb2hex v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7f94acfc9c021f9a6221621e2ff98a84fcff743ce96fd5114aefd2f7d51b42a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f94acfc9c021f9a6221621e2ff98a84fcff743ce96fd5114aefd2f7d51b42a5", kill_on_drop: false }`
[INFO] [stdout] 7f94acfc9c021f9a6221621e2ff98a84fcff743ce96fd5114aefd2f7d51b42a5