[INFO] cloning repository https://github.com/Nyanguy/rusty-lc3vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nyanguy/rusty-lc3vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyanguy%2Frusty-lc3vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyanguy%2Frusty-lc3vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2707b6e3e0ebc75cfb19244fe3960bc96aed3c6
[INFO] documenting Nyanguy/rusty-lc3vm against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyanguy%2Frusty-lc3vm" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nyanguy/rusty-lc3vm on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nyanguy/rusty-lc3vm
[INFO] finished tweaking git repo https://github.com/Nyanguy/rusty-lc3vm
[INFO] tweaked toml for git repo https://github.com/Nyanguy/rusty-lc3vm written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/Nyanguy/rusty-lc3vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] [stderr]   Downloaded readkey v0.1.7
[INFO] [stderr]   Downloaded input-event-codes v0.2.1
[INFO] [stderr]   Downloaded device_query v0.2.7
[INFO] [stderr]   Downloaded readmouse v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28ea79e5b65930f42303e7138bcbb0271fb2b54e39f169d46b1386b2ef668427
[INFO] running `Command { std: "docker" "start" "-a" "28ea79e5b65930f42303e7138bcbb0271fb2b54e39f169d46b1386b2ef668427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ea79e5b65930f42303e7138bcbb0271fb2b54e39f169d46b1386b2ef668427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ea79e5b65930f42303e7138bcbb0271fb2b54e39f169d46b1386b2ef668427", kill_on_drop: false }`
[INFO] [stdout] 28ea79e5b65930f42303e7138bcbb0271fb2b54e39f169d46b1386b2ef668427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deca8c22ad5a339b2986c0e5736e7ef76d8034b0af763ae1b6368fa06e951508
[INFO] running `Command { std: "docker" "start" "-a" "deca8c22ad5a339b2986c0e5736e7ef76d8034b0af763ae1b6368fa06e951508", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking input-event-codes v0.2.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling device_query v0.2.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]  Documenting lc3vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.87s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "deca8c22ad5a339b2986c0e5736e7ef76d8034b0af763ae1b6368fa06e951508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deca8c22ad5a339b2986c0e5736e7ef76d8034b0af763ae1b6368fa06e951508", kill_on_drop: false }`
[INFO] [stdout] deca8c22ad5a339b2986c0e5736e7ef76d8034b0af763ae1b6368fa06e951508