[INFO] fetching crate safecast 0.1.2...
[INFO] testing safecast-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate safecast 0.1.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate safecast 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safecast 0.1.2
[INFO] finished tweaking crates.io crate safecast 0.1.2
[INFO] tweaked toml for crates.io crate safecast 0.1.2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ad0f8253b5c1ac4c3f09556fad01d5ec981fbd1a2179002a879f1951b036845
[INFO] running `Command { std: "docker" "start" "-a" "7ad0f8253b5c1ac4c3f09556fad01d5ec981fbd1a2179002a879f1951b036845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ad0f8253b5c1ac4c3f09556fad01d5ec981fbd1a2179002a879f1951b036845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad0f8253b5c1ac4c3f09556fad01d5ec981fbd1a2179002a879f1951b036845", kill_on_drop: false }`
[INFO] [stdout] 7ad0f8253b5c1ac4c3f09556fad01d5ec981fbd1a2179002a879f1951b036845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63adc2b38a4fade692dbbb532c71414a93f5f049b021d54e0c820419d382b814
[INFO] running `Command { std: "docker" "start" "-a" "63adc2b38a4fade692dbbb532c71414a93f5f049b021d54e0c820419d382b814", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safecast v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "63adc2b38a4fade692dbbb532c71414a93f5f049b021d54e0c820419d382b814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63adc2b38a4fade692dbbb532c71414a93f5f049b021d54e0c820419d382b814", kill_on_drop: false }`
[INFO] [stdout] 63adc2b38a4fade692dbbb532c71414a93f5f049b021d54e0c820419d382b814