[INFO] cloning repository https://github.com/chanhuhu/learn-rust-by-building-kvdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chanhuhu/learn-rust-by-building-kvdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanhuhu%2Flearn-rust-by-building-kvdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanhuhu%2Flearn-rust-by-building-kvdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57301f4b8058a6101bed079a76553364144a533a
[INFO] checking chanhuhu/learn-rust-by-building-kvdb against master#f90b06d7fb00470177516c5881bcec0432cb4f24 for pr-94063
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchanhuhu%2Flearn-rust-by-building-kvdb" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chanhuhu/learn-rust-by-building-kvdb on toolchain f90b06d7fb00470177516c5881bcec0432cb4f24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chanhuhu/learn-rust-by-building-kvdb
[INFO] finished tweaking git repo https://github.com/chanhuhu/learn-rust-by-building-kvdb
[INFO] tweaked toml for git repo https://github.com/chanhuhu/learn-rust-by-building-kvdb written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate git repo https://github.com/chanhuhu/learn-rust-by-building-kvdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edc9dd2d520eab2bbe646c3a08790927e935cf553bb2fbf83c5f3e7f91192c75
[INFO] running `Command { std: "docker" "start" "-a" "edc9dd2d520eab2bbe646c3a08790927e935cf553bb2fbf83c5f3e7f91192c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc9dd2d520eab2bbe646c3a08790927e935cf553bb2fbf83c5f3e7f91192c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc9dd2d520eab2bbe646c3a08790927e935cf553bb2fbf83c5f3e7f91192c75", kill_on_drop: false }`
[INFO] [stdout] edc9dd2d520eab2bbe646c3a08790927e935cf553bb2fbf83c5f3e7f91192c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39b695b62b5adb79feec397c2185f5ff1f3c6a9b9399aa9fd56f2635b3f54532
[INFO] running `Command { std: "docker" "start" "-a" "39b695b62b5adb79feec397c2185f5ff1f3c6a9b9399aa9fd56f2635b3f54532", 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" "39b695b62b5adb79feec397c2185f5ff1f3c6a9b9399aa9fd56f2635b3f54532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b695b62b5adb79feec397c2185f5ff1f3c6a9b9399aa9fd56f2635b3f54532", kill_on_drop: false }`
[INFO] [stdout] 39b695b62b5adb79feec397c2185f5ff1f3c6a9b9399aa9fd56f2635b3f54532