[INFO] updating cached repository https://github.com/raywiis/Advent-of-Code-2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bee66aac93306b463e0ab549afd80cd4085396d3
[INFO] documenting raywiis/Advent-of-Code-2019 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraywiis%2FAdvent-of-Code-2019" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raywiis/Advent-of-Code-2019 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raywiis/Advent-of-Code-2019
[INFO] finished tweaking git repo https://github.com/raywiis/Advent-of-Code-2019
[INFO] tweaked toml for git repo https://github.com/raywiis/Advent-of-Code-2019 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/raywiis/Advent-of-Code-2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b50ddf2b8c8134af878d6333997b3b7e18c54d83f1e6ff1c7ea14bafb937dd3
[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" "6b50ddf2b8c8134af878d6333997b3b7e18c54d83f1e6ff1c7ea14bafb937dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b50ddf2b8c8134af878d6333997b3b7e18c54d83f1e6ff1c7ea14bafb937dd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b50ddf2b8c8134af878d6333997b3b7e18c54d83f1e6ff1c7ea14bafb937dd3", kill_on_drop: false }`
[INFO] [stdout] 6b50ddf2b8c8134af878d6333997b3b7e18c54d83f1e6ff1c7ea14bafb937dd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a05c54072245c468db675c7303ac5a6aad90fc354bf60d5c65c99cf3f053f2
[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" "b7a05c54072245c468db675c7303ac5a6aad90fc354bf60d5c65c99cf3f053f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting advent-of-code-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/lib.rs:51:25
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     let target = memory[instruction_ptr + 3];
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/lib.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     let target = memory[instruction_ptr + 3];
[INFO] [stdout]    |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backup_mode`
[INFO] [stdout]   --> src/lib.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     let backup_mode = match modes.0 {
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backup_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `destination_ptr`
[INFO] [stdout]   --> src/lib.rs:80:25
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     let destination_ptr = memory[instruction_ptr + 1];
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `advent-of-code-2019`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 8 src/bin/8.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2019=/opt/rustwide/target/debug/deps/libadvent_of_code_2019-8bccd6c59e52cdcb.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2c940d7bd864b5c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-7e3c8b0e0848f2c5.rmeta --cap-lints=forbid` (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" "b7a05c54072245c468db675c7303ac5a6aad90fc354bf60d5c65c99cf3f053f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a05c54072245c468db675c7303ac5a6aad90fc354bf60d5c65c99cf3f053f2", kill_on_drop: false }`
[INFO] [stdout] b7a05c54072245c468db675c7303ac5a6aad90fc354bf60d5c65c99cf3f053f2