[INFO] fetching crate dav-server 0.4.0...
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] crate dav-server 0.4.0 is already in cache
[INFO] checking dav-server-0.4.0 against try#7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e for pr-99880
[INFO] extracting crate dav-server 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dav-server 0.4.0 on toolchain 7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dav-server 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dav-server 0.4.0
[INFO] tweaked toml for crates.io crate dav-server 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dav-server 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "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-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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409a3cd1e489198c18d9bb355ab03af4d25c6657cbd13a1b45b088179637cbe4
[INFO] running `Command { std: "docker" "start" "-a" "409a3cd1e489198c18d9bb355ab03af4d25c6657cbd13a1b45b088179637cbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409a3cd1e489198c18d9bb355ab03af4d25c6657cbd13a1b45b088179637cbe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409a3cd1e489198c18d9bb355ab03af4d25c6657cbd13a1b45b088179637cbe4", kill_on_drop: false }`
[INFO] [stdout] 409a3cd1e489198c18d9bb355ab03af4d25c6657cbd13a1b45b088179637cbe4
[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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds