[INFO] cloning repository https://github.com/tomassedovic/roguelike-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomassedovic/roguelike-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomassedovic%2Froguelike-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomassedovic%2Froguelike-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a04bd10e669aed6c55e198c34e527739cc44bf8e
[INFO] documenting tomassedovic/roguelike-tutorial against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomassedovic%2Froguelike-tutorial" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomassedovic/roguelike-tutorial on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomassedovic/roguelike-tutorial
[INFO] finished tweaking git repo https://github.com/tomassedovic/roguelike-tutorial
[INFO] tweaked toml for git repo https://github.com/tomassedovic/roguelike-tutorial written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tomassedovic/roguelike-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.12
[INFO] [stderr]   Downloaded pkg-config v0.3.7
[INFO] [stderr]   Downloaded lazy_static v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6048a13f80d54aa79f0c347700cc143f679e2a9dbb6aa62e6e53c5c29f0c9eaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6048a13f80d54aa79f0c347700cc143f679e2a9dbb6aa62e6e53c5c29f0c9eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6048a13f80d54aa79f0c347700cc143f679e2a9dbb6aa62e6e53c5c29f0c9eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6048a13f80d54aa79f0c347700cc143f679e2a9dbb6aa62e6e53c5c29f0c9eaf", kill_on_drop: false }`
[INFO] [stdout] 6048a13f80d54aa79f0c347700cc143f679e2a9dbb6aa62e6e53c5c29f0c9eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d04aae89988b1b41a17d717b30c41c38006164a4221df837de0d4734cf242c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09d04aae89988b1b41a17d717b30c41c38006164a4221df837de0d4734cf242c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.7
[INFO] [stderr]     Checking libc v0.2.12
[INFO] [stderr]     Checking lazy_static v0.1.14
[INFO] [stderr]     Checking serde_json v1.0.20
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stderr]  Documenting roguelike-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: Could not document `roguelike-tutorial`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name part_4a_fov src/bin/part-4a-fov.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-2e9cf7d5291a9b59.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b534cec97a99a818.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1cb69615cb6bd59c.rmeta --extern tcod=/opt/rustwide/target/debug/deps/libtcod-9a3cc31787079680.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "09d04aae89988b1b41a17d717b30c41c38006164a4221df837de0d4734cf242c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d04aae89988b1b41a17d717b30c41c38006164a4221df837de0d4734cf242c", kill_on_drop: false }`
[INFO] [stdout] 09d04aae89988b1b41a17d717b30c41c38006164a4221df837de0d4734cf242c
