[INFO] cloning repository https://github.com/Nick-Pearson/advent-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nick-Pearson/advent-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNick-Pearson%2Fadvent-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNick-Pearson%2Fadvent-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30f426ae9bb7d25052c30757918c1bf04a124b03
[INFO] documenting Nick-Pearson/advent-2020 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNick-Pearson%2Fadvent-2020" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nick-Pearson/advent-2020 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 git repo https://github.com/Nick-Pearson/advent-2020
[INFO] finished tweaking git repo https://github.com/Nick-Pearson/advent-2020
[INFO] tweaked toml for git repo https://github.com/Nick-Pearson/advent-2020 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/Nick-Pearson/advent-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded joinery v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 0619bcece4b955b6c6c568fb11f5774c67e7785deb5db5fea91e000eb0efacdd
[INFO] running `Command { std: "docker" "start" "-a" "0619bcece4b955b6c6c568fb11f5774c67e7785deb5db5fea91e000eb0efacdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0619bcece4b955b6c6c568fb11f5774c67e7785deb5db5fea91e000eb0efacdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0619bcece4b955b6c6c568fb11f5774c67e7785deb5db5fea91e000eb0efacdd", kill_on_drop: false }`
[INFO] [stdout] 0619bcece4b955b6c6c568fb11f5774c67e7785deb5db5fea91e000eb0efacdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 5cefc73a4899786f3f19d06c32d8565559e411cb8498b3feabf7486cf6442964
[INFO] running `Command { std: "docker" "start" "-a" "5cefc73a4899786f3f19d06c32d8565559e411cb8498b3feabf7486cf6442964", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking joinery v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]  Documenting advent-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 1 src/1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1ad90213bf5bd241 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.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: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 14 src/14/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=daa3c8935f6bdea1 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 11 src/11/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1ddb20e2add9125b -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 6 src/6/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f55d1979ea26939d -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 17 src/17/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8ab37f7e0120ff2a -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 9 src/9/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2e2e8a67b04d8230 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 21 src/21/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3ce9d44ad2b154a8 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 24 src/24/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5b3d49a75d881389 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 4 src/4/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9b887635ea1b0904 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 19 src/19/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cad1b2c78e13c690 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 22 src/22/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=631bd2bd821dd227 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 20 src/20/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1aa749adf46554a1 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-246e6418d0d2e2a6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-64096058af88f48a.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-04c29e0b22f57d6f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5cefc73a4899786f3f19d06c32d8565559e411cb8498b3feabf7486cf6442964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cefc73a4899786f3f19d06c32d8565559e411cb8498b3feabf7486cf6442964", kill_on_drop: false }`
[INFO] [stdout] 5cefc73a4899786f3f19d06c32d8565559e411cb8498b3feabf7486cf6442964