[INFO] cloning repository https://github.com/ltbwinter/homework4_q2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ltbwinter/homework4_q2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltbwinter%2Fhomework4_q2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltbwinter%2Fhomework4_q2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea405b91a7f098790da3aa0f6363bc570e77fcf8
[INFO] testing ltbwinter/homework4_q2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fltbwinter%2Fhomework4_q2" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ltbwinter/homework4_q2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ltbwinter/homework4_q2
[INFO] finished tweaking git repo https://github.com/ltbwinter/homework4_q2
[INFO] tweaked toml for git repo https://github.com/ltbwinter/homework4_q2 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/ltbwinter/homework4_q2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f148b6d76032b0649cef8b035874a74a2d4ed48e7fd449a6413a503947d7e4c
[INFO] running `Command { std: "docker" "start" "-a" "1f148b6d76032b0649cef8b035874a74a2d4ed48e7fd449a6413a503947d7e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f148b6d76032b0649cef8b035874a74a2d4ed48e7fd449a6413a503947d7e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f148b6d76032b0649cef8b035874a74a2d4ed48e7fd449a6413a503947d7e4c", kill_on_drop: false }`
[INFO] [stdout] 1f148b6d76032b0649cef8b035874a74a2d4ed48e7fd449a6413a503947d7e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e92bc2264c4a96f54222ecb7fe555aa65a087797ee5da321bfaf053e97f1379
[INFO] running `Command { std: "docker" "start" "-a" "7e92bc2264c4a96f54222ecb7fe555aa65a087797ee5da321bfaf053e97f1379", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling homework4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.08s
[INFO] running `Command { std: "docker" "inspect" "7e92bc2264c4a96f54222ecb7fe555aa65a087797ee5da321bfaf053e97f1379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e92bc2264c4a96f54222ecb7fe555aa65a087797ee5da321bfaf053e97f1379", kill_on_drop: false }`
[INFO] [stdout] 7e92bc2264c4a96f54222ecb7fe555aa65a087797ee5da321bfaf053e97f1379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fabd1b7cfd4dfd30a304301a8655a1fff135c9be80e97932404f2971c6b2dd6a
[INFO] running `Command { std: "docker" "start" "-a" "fabd1b7cfd4dfd30a304301a8655a1fff135c9be80e97932404f2971c6b2dd6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling homework4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.01s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fabd1b7cfd4dfd30a304301a8655a1fff135c9be80e97932404f2971c6b2dd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabd1b7cfd4dfd30a304301a8655a1fff135c9be80e97932404f2971c6b2dd6a", kill_on_drop: false }`
[INFO] [stdout] fabd1b7cfd4dfd30a304301a8655a1fff135c9be80e97932404f2971c6b2dd6a