[INFO] fetching crate packetcrypt 0.3.1...
[INFO] checking packetcrypt-0.3.1 against try#f6d7c613ae2d161ff37dbc63cc5abd809c878597 for pr-83850
[INFO] extracting crate packetcrypt 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate packetcrypt 0.3.1 on toolchain f6d7c613ae2d161ff37dbc63cc5abd809c878597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate packetcrypt 0.3.1
[INFO] finished tweaking crates.io crate packetcrypt 0.3.1
[INFO] tweaked toml for crates.io crate packetcrypt 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate packetcrypt 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53868ec4ba1b353287f4ba03b97e334f8a14759ce1a27bbf5421e50d746520ba
[INFO] running `Command { std: "docker" "start" "-a" "53868ec4ba1b353287f4ba03b97e334f8a14759ce1a27bbf5421e50d746520ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53868ec4ba1b353287f4ba03b97e334f8a14759ce1a27bbf5421e50d746520ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53868ec4ba1b353287f4ba03b97e334f8a14759ce1a27bbf5421e50d746520ba", kill_on_drop: false }`
[INFO] [stdout] 53868ec4ba1b353287f4ba03b97e334f8a14759ce1a27bbf5421e50d746520ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 050cf8e5dcd3924d817728e5d302f8e5d088ca2120da1993769b25baa9614796
[INFO] running `Command { std: "docker" "start" "-a" "050cf8e5dcd3924d817728e5d302f8e5d088ca2120da1993769b25baa9614796", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "050cf8e5dcd3924d817728e5d302f8e5d088ca2120da1993769b25baa9614796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050cf8e5dcd3924d817728e5d302f8e5d088ca2120da1993769b25baa9614796", kill_on_drop: false }`
[INFO] [stdout] 050cf8e5dcd3924d817728e5d302f8e5d088ca2120da1993769b25baa9614796