[INFO] fetching crate getchar 0.1.2...
[INFO] documenting getchar-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate getchar 0.1.2 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate getchar 0.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate getchar 0.1.2
[INFO] finished tweaking crates.io crate getchar 0.1.2
[INFO] tweaked toml for crates.io crate getchar 0.1.2 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5949bebcb44ad5e1e1974fbdd2b455615ebe0f24a0dda85edb3ce2706fdce2f
[INFO] running `Command { std: "docker" "start" "-a" "e5949bebcb44ad5e1e1974fbdd2b455615ebe0f24a0dda85edb3ce2706fdce2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5949bebcb44ad5e1e1974fbdd2b455615ebe0f24a0dda85edb3ce2706fdce2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5949bebcb44ad5e1e1974fbdd2b455615ebe0f24a0dda85edb3ce2706fdce2f", kill_on_drop: false }`
[INFO] [stdout] e5949bebcb44ad5e1e1974fbdd2b455615ebe0f24a0dda85edb3ce2706fdce2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e318c8baf24269a4e8aeb724c0b38e644dbd16830772c0229187667e48ec047
[INFO] running `Command { std: "docker" "start" "-a" "4e318c8baf24269a4e8aeb724c0b38e644dbd16830772c0229187667e48ec047", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]  Documenting getchar v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.15s
[INFO] running `Command { std: "docker" "inspect" "4e318c8baf24269a4e8aeb724c0b38e644dbd16830772c0229187667e48ec047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e318c8baf24269a4e8aeb724c0b38e644dbd16830772c0229187667e48ec047", kill_on_drop: false }`
[INFO] [stdout] 4e318c8baf24269a4e8aeb724c0b38e644dbd16830772c0229187667e48ec047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d2f7060219168f89e0701bdd71a9ddf13032657c293966aa98332e57da1e39ef
[INFO] running `Command { std: "docker" "start" "-a" "d2f7060219168f89e0701bdd71a9ddf13032657c293966aa98332e57da1e39ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]  Documenting getchar v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d2f7060219168f89e0701bdd71a9ddf13032657c293966aa98332e57da1e39ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f7060219168f89e0701bdd71a9ddf13032657c293966aa98332e57da1e39ef", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: Could not kill running container d2f7060219168f89e0701bdd71a9ddf13032657c293966aa98332e57da1e39ef, cannot remove - tried to kill container, but did not receive an exit event
[ERROR] failed to delete container d2f7060219168f89e0701bdd71a9ddf13032657c293966aa98332e57da1e39ef
[ERROR] caused by: command failed: exit status: 1