[INFO] cloning repository https://github.com/dan-j-cooper/rustlings-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dan-j-cooper/rustlings-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdan-j-cooper%2Frustlings-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdan-j-cooper%2Frustlings-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 107a1dd2e03c87357a804a07ab7f8a212a79509c
[INFO] testing dan-j-cooper/rustlings-solutions against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdan-j-cooper%2Frustlings-solutions" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dan-j-cooper/rustlings-solutions on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dan-j-cooper/rustlings-solutions
[INFO] finished tweaking git repo https://github.com/dan-j-cooper/rustlings-solutions
[INFO] tweaked toml for git repo https://github.com/dan-j-cooper/rustlings-solutions written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/dan-j-cooper/rustlings-solutions already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b60ea34f4f9ea5cf65d26614a0bdaa11b340ada70728b7e55aadc7f0c1f59c9f
[INFO] running `Command { std: "docker" "start" "-a" "b60ea34f4f9ea5cf65d26614a0bdaa11b340ada70728b7e55aadc7f0c1f59c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60ea34f4f9ea5cf65d26614a0bdaa11b340ada70728b7e55aadc7f0c1f59c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60ea34f4f9ea5cf65d26614a0bdaa11b340ada70728b7e55aadc7f0c1f59c9f", kill_on_drop: false }`
[INFO] [stdout] b60ea34f4f9ea5cf65d26614a0bdaa11b340ada70728b7e55aadc7f0c1f59c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9117b15eb04963f4bd2de7da18b4490a8f6ca9de23b5d02b54be663a66ac03f
[INFO] running `Command { std: "docker" "start" "-a" "d9117b15eb04963f4bd2de7da18b4490a8f6ca9de23b5d02b54be663a66ac03f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d9117b15eb04963f4bd2de7da18b4490a8f6ca9de23b5d02b54be663a66ac03f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9117b15eb04963f4bd2de7da18b4490a8f6ca9de23b5d02b54be663a66ac03f", kill_on_drop: false }`
[INFO] [stdout] d9117b15eb04963f4bd2de7da18b4490a8f6ca9de23b5d02b54be663a66ac03f