[INFO] fetching crate aab 0.1.0...
[INFO] checking aab-0.1.0 against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] extracting crate aab 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate aab 0.1.0
[INFO] finished tweaking crates.io crate aab 0.1.0
[INFO] tweaked toml for crates.io crate aab 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aab 0.1.0 on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aab 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking aab-0.1.0 against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] extracting crate aab 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate aab 0.1.0
[INFO] finished tweaking crates.io crate aab 0.1.0
[INFO] tweaked toml for crates.io crate aab 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate aab 0.1.0 on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate aab 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4a71d8d43cfee976137fdd68ed96ca60ec9263887bcb4f3c5ac50e1326f8cff
[INFO] running `Command { std: "docker" "start" "-a" "a4a71d8d43cfee976137fdd68ed96ca60ec9263887bcb4f3c5ac50e1326f8cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a71d8d43cfee976137fdd68ed96ca60ec9263887bcb4f3c5ac50e1326f8cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a71d8d43cfee976137fdd68ed96ca60ec9263887bcb4f3c5ac50e1326f8cff", kill_on_drop: false }`
[INFO] [stdout] a4a71d8d43cfee976137fdd68ed96ca60ec9263887bcb4f3c5ac50e1326f8cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c931ed3ec00f4ae9c8f751585387494abe2b56f33b27f06b9ddfb386f6b10492
[INFO] running `Command { std: "docker" "start" "-a" "c931ed3ec00f4ae9c8f751585387494abe2b56f33b27f06b9ddfb386f6b10492", kill_on_drop: false }`
[INFO] [stderr]     Checking aab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "c931ed3ec00f4ae9c8f751585387494abe2b56f33b27f06b9ddfb386f6b10492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c931ed3ec00f4ae9c8f751585387494abe2b56f33b27f06b9ddfb386f6b10492", kill_on_drop: false }`
[INFO] [stdout] c931ed3ec00f4ae9c8f751585387494abe2b56f33b27f06b9ddfb386f6b10492