[INFO] cloning repository https://github.com/Chiiruno/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chiiruno/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChiiruno%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChiiruno%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16f4f0bdeb008b519c98f821e523ec81df70b624
[INFO] building Chiiruno/rust_playground against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChiiruno%2Frust_playground" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chiiruno/rust_playground on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chiiruno/rust_playground
[INFO] finished tweaking git repo https://github.com/Chiiruno/rust_playground
[INFO] tweaked toml for git repo https://github.com/Chiiruno/rust_playground written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/Chiiruno/rust_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5d8ddd7998d9cc3e282bbc5837bd4e500bf71b83dda472c18a32f5d20ac30b2
[INFO] running `Command { std: "docker" "start" "-a" "d5d8ddd7998d9cc3e282bbc5837bd4e500bf71b83dda472c18a32f5d20ac30b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5d8ddd7998d9cc3e282bbc5837bd4e500bf71b83dda472c18a32f5d20ac30b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d8ddd7998d9cc3e282bbc5837bd4e500bf71b83dda472c18a32f5d20ac30b2", kill_on_drop: false }`
[INFO] [stdout] d5d8ddd7998d9cc3e282bbc5837bd4e500bf71b83dda472c18a32f5d20ac30b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcaca51e1dcc80e521729c442bcfd855bab40f38e33fbb8abbbb0649c4fbca79
[INFO] running `Command { std: "docker" "start" "-a" "fcaca51e1dcc80e521729c442bcfd855bab40f38e33fbb8abbbb0649c4fbca79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "fcaca51e1dcc80e521729c442bcfd855bab40f38e33fbb8abbbb0649c4fbca79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcaca51e1dcc80e521729c442bcfd855bab40f38e33fbb8abbbb0649c4fbca79", kill_on_drop: false }`
[INFO] [stdout] fcaca51e1dcc80e521729c442bcfd855bab40f38e33fbb8abbbb0649c4fbca79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93dc8eda6b8ad3916e4f4736dacd9d08f73209c10c284dcb25673c9c476e18ec
[INFO] running `Command { std: "docker" "start" "-a" "93dc8eda6b8ad3916e4f4736dacd9d08f73209c10c284dcb25673c9c476e18ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3m 29s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_playground-f770493020fd9201)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "93dc8eda6b8ad3916e4f4736dacd9d08f73209c10c284dcb25673c9c476e18ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dc8eda6b8ad3916e4f4736dacd9d08f73209c10c284dcb25673c9c476e18ec", kill_on_drop: false }`
[INFO] [stdout] 93dc8eda6b8ad3916e4f4736dacd9d08f73209c10c284dcb25673c9c476e18ec