[INFO] cloning repository https://github.com/xu-cheng/aoc19
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xu-cheng/aoc19" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-cheng%2Faoc19", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-cheng%2Faoc19'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b55cdb344682ec680a216c6529c6087dc445591e
[INFO] documenting xu-cheng/aoc19 against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxu-cheng%2Faoc19" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xu-cheng/aoc19 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xu-cheng/aoc19
[INFO] finished tweaking git repo https://github.com/xu-cheng/aoc19
[INFO] tweaked toml for git repo https://github.com/xu-cheng/aoc19 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xu-cheng/aoc19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded anyhow v1.0.25
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded bytecount v0.6.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded num-iter v0.1.39
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded indexmap v0.4.1
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded priority-queue v0.6.0
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bae1f5c2e5569e47847739fab1f01ca3a8f1697ced159d6f28da2a965ec77b2f
[INFO] running `Command { std: "docker" "start" "-a" "bae1f5c2e5569e47847739fab1f01ca3a8f1697ced159d6f28da2a965ec77b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bae1f5c2e5569e47847739fab1f01ca3a8f1697ced159d6f28da2a965ec77b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bae1f5c2e5569e47847739fab1f01ca3a8f1697ced159d6f28da2a965ec77b2f", kill_on_drop: false }`
[INFO] [stdout] bae1f5c2e5569e47847739fab1f01ca3a8f1697ced159d6f28da2a965ec77b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da5dd2a15681a6729e811226fa9a53675e581936d28accc21b0e68b3e7d12809
[INFO] running `Command { std: "docker" "start" "-a" "da5dd2a15681a6729e811226fa9a53675e581936d28accc21b0e68b3e7d12809", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling anyhow v1.0.25
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking indexmap v0.4.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking priority-queue v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/bin/day18.rs:208:6
[INFO] [stdout]     |
[INFO] [stdout] 208 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/aoc2019/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day01/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day02/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day03/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day04/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day05/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day06/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day07/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day08/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day09/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day10/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day11/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day12/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day13/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day14/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day15/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day16/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day17/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day18/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day19/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day20/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day21/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day22/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day23/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day24/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/day25/index.html
[INFO] running `Command { std: "docker" "inspect" "da5dd2a15681a6729e811226fa9a53675e581936d28accc21b0e68b3e7d12809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5dd2a15681a6729e811226fa9a53675e581936d28accc21b0e68b3e7d12809", kill_on_drop: false }`
[INFO] [stdout] da5dd2a15681a6729e811226fa9a53675e581936d28accc21b0e68b3e7d12809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b37e18eb1c60cfa61e3303b195e115ea2073b9c9f441bd6d7c7cba1f10330c2
[INFO] running `Command { std: "docker" "start" "-a" "4b37e18eb1c60cfa61e3303b195e115ea2073b9c9f441bd6d7c7cba1f10330c2", kill_on_drop: false }`
[INFO] [stderr]  Documenting aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/aoc2019/index.html
[INFO] running `Command { std: "docker" "inspect" "4b37e18eb1c60cfa61e3303b195e115ea2073b9c9f441bd6d7c7cba1f10330c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b37e18eb1c60cfa61e3303b195e115ea2073b9c9f441bd6d7c7cba1f10330c2", kill_on_drop: false }`
[INFO] [stdout] 4b37e18eb1c60cfa61e3303b195e115ea2073b9c9f441bd6d7c7cba1f10330c2
