[INFO] fetching crate endless 0.1.0...
[INFO] checking endless-0.1.0 against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] extracting crate endless 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate endless 0.1.0 on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate endless 0.1.0
[INFO] finished tweaking crates.io crate endless 0.1.0
[INFO] tweaked toml for crates.io crate endless 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate endless 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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 endless-0.1.0 against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] extracting crate endless 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate endless 0.1.0 on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate endless 0.1.0
[INFO] finished tweaking crates.io crate endless 0.1.0
[INFO] tweaked toml for crates.io crate endless 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate endless 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e4eea5fb01c65c7cafda6ab9a4210fd7cf920f6440ca05dd5fa0147bb86225
[INFO] running `Command { std: "docker" "start" "-a" "a9e4eea5fb01c65c7cafda6ab9a4210fd7cf920f6440ca05dd5fa0147bb86225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e4eea5fb01c65c7cafda6ab9a4210fd7cf920f6440ca05dd5fa0147bb86225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e4eea5fb01c65c7cafda6ab9a4210fd7cf920f6440ca05dd5fa0147bb86225", kill_on_drop: false }`
[INFO] [stdout] a9e4eea5fb01c65c7cafda6ab9a4210fd7cf920f6440ca05dd5fa0147bb86225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 265c15ee1c14682affcb8e2067663d4a5f1a5e567b56ba0d96acfc5a6ff5737c
[INFO] running `Command { std: "docker" "start" "-a" "265c15ee1c14682affcb8e2067663d4a5f1a5e567b56ba0d96acfc5a6ff5737c", kill_on_drop: false }`
[INFO] [stderr]     Checking endless v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "265c15ee1c14682affcb8e2067663d4a5f1a5e567b56ba0d96acfc5a6ff5737c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "265c15ee1c14682affcb8e2067663d4a5f1a5e567b56ba0d96acfc5a6ff5737c", kill_on_drop: false }`
[INFO] [stdout] 265c15ee1c14682affcb8e2067663d4a5f1a5e567b56ba0d96acfc5a6ff5737c