[INFO] fetching crate fil_actor_placeholder 99.99.99...
[INFO] checking fil_actor_placeholder-99.99.99 against try#654bc80249a2b2ba8bd16392b5829d87ed96c92d for pr-136458
[INFO] extracting crate fil_actor_placeholder 99.99.99 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate fil_actor_placeholder 99.99.99 on toolchain 654bc80249a2b2ba8bd16392b5829d87ed96c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fil_actor_placeholder 99.99.99
[INFO] finished tweaking crates.io crate fil_actor_placeholder 99.99.99
[INFO] tweaked toml for crates.io crate fil_actor_placeholder 99.99.99 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate fil_actor_placeholder 99.99.99 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" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "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 fil_actor_placeholder-99.99.99 against try#654bc80249a2b2ba8bd16392b5829d87ed96c92d for pr-136458
[INFO] extracting crate fil_actor_placeholder 99.99.99 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate fil_actor_placeholder 99.99.99 on toolchain 654bc80249a2b2ba8bd16392b5829d87ed96c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fil_actor_placeholder 99.99.99
[INFO] finished tweaking crates.io crate fil_actor_placeholder 99.99.99
[INFO] tweaked toml for crates.io crate fil_actor_placeholder 99.99.99 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate fil_actor_placeholder 99.99.99 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" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 211172eb362f365927b925351e23dc76abb00e75f5a622d0d2a202bfe4989575
[INFO] running `Command { std: "docker" "start" "-a" "211172eb362f365927b925351e23dc76abb00e75f5a622d0d2a202bfe4989575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211172eb362f365927b925351e23dc76abb00e75f5a622d0d2a202bfe4989575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211172eb362f365927b925351e23dc76abb00e75f5a622d0d2a202bfe4989575", kill_on_drop: false }`
[INFO] [stdout] 211172eb362f365927b925351e23dc76abb00e75f5a622d0d2a202bfe4989575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 658ce28210a8737a096f45c5187334dd73bed9cf6ec7dfed06a3fcaca0d14bb5
[INFO] running `Command { std: "docker" "start" "-a" "658ce28210a8737a096f45c5187334dd73bed9cf6ec7dfed06a3fcaca0d14bb5", kill_on_drop: false }`
[INFO] [stderr]     Checking fil_actor_placeholder v99.99.99 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "658ce28210a8737a096f45c5187334dd73bed9cf6ec7dfed06a3fcaca0d14bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658ce28210a8737a096f45c5187334dd73bed9cf6ec7dfed06a3fcaca0d14bb5", kill_on_drop: false }`
[INFO] [stdout] 658ce28210a8737a096f45c5187334dd73bed9cf6ec7dfed06a3fcaca0d14bb5