[INFO] fetching crate rnt 0.1.0...
[INFO] checking rnt-0.1.0 against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] extracting crate rnt 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rnt 0.1.0
[INFO] finished tweaking crates.io crate rnt 0.1.0
[INFO] tweaked toml for crates.io crate rnt 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rnt 0.1.0 on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27cd02318446906233bd5f160a92f087d43be39e5b8e029461972afefab08533
[INFO] running `Command { std: "docker" "start" "-a" "27cd02318446906233bd5f160a92f087d43be39e5b8e029461972afefab08533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27cd02318446906233bd5f160a92f087d43be39e5b8e029461972afefab08533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27cd02318446906233bd5f160a92f087d43be39e5b8e029461972afefab08533", kill_on_drop: false }`
[INFO] [stdout] 27cd02318446906233bd5f160a92f087d43be39e5b8e029461972afefab08533
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8891ea8be1e95911ac1c6140c7e64eccaf98dbc21e3ea3b93d8244dcc0522a8
[INFO] running `Command { std: "docker" "start" "-a" "e8891ea8be1e95911ac1c6140c7e64eccaf98dbc21e3ea3b93d8244dcc0522a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]     Checking rayon v1.11.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e8891ea8be1e95911ac1c6140c7e64eccaf98dbc21e3ea3b93d8244dcc0522a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8891ea8be1e95911ac1c6140c7e64eccaf98dbc21e3ea3b93d8244dcc0522a8", kill_on_drop: false }`
[INFO] [stdout] e8891ea8be1e95911ac1c6140c7e64eccaf98dbc21e3ea3b93d8244dcc0522a8