[INFO] cloning repository https://github.com/shahabkahn/assignment-7b
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shahabkahn/assignment-7b" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7b", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7b'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d312ce45eaa981fd0af914fb9fdfad13210bcd9c
[INFO] checking shahabkahn/assignment-7b against try#2f3c33065a16f1030e8d2f90241df3b4bea01e77 for pr-106060
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshahabkahn%2Fassignment-7b" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shahabkahn/assignment-7b on toolchain 2f3c33065a16f1030e8d2f90241df3b4bea01e77
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shahabkahn/assignment-7b
[INFO] finished tweaking git repo https://github.com/shahabkahn/assignment-7b
[INFO] tweaked toml for git repo https://github.com/shahabkahn/assignment-7b written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/shahabkahn/assignment-7b already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf44da69e85123586d1ef124ba2ade744e65defd24461c903444f93c629a18f5
[INFO] running `Command { std: "docker" "start" "-a" "bf44da69e85123586d1ef124ba2ade744e65defd24461c903444f93c629a18f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf44da69e85123586d1ef124ba2ade744e65defd24461c903444f93c629a18f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf44da69e85123586d1ef124ba2ade744e65defd24461c903444f93c629a18f5", kill_on_drop: false }`
[INFO] [stdout] bf44da69e85123586d1ef124ba2ade744e65defd24461c903444f93c629a18f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7845d99c66db44676a83d8d707ba63c0213a7f73cbb39baeb0d46f45404f4033
[INFO] running `Command { std: "docker" "start" "-a" "7845d99c66db44676a83d8d707ba63c0213a7f73cbb39baeb0d46f45404f4033", 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" "7845d99c66db44676a83d8d707ba63c0213a7f73cbb39baeb0d46f45404f4033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7845d99c66db44676a83d8d707ba63c0213a7f73cbb39baeb0d46f45404f4033", kill_on_drop: false }`
[INFO] [stdout] 7845d99c66db44676a83d8d707ba63c0213a7f73cbb39baeb0d46f45404f4033