[INFO] cloning repository https://github.com/udoprog/rust-advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udoprog/rust-advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Frust-advent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Frust-advent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93a5e6762be53b785f3e31c52e8b0fd99a4e0ac6
[INFO] documenting udoprog/rust-advent-of-code-2018 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudoprog%2Frust-advent-of-code-2018" "/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/udoprog/rust-advent-of-code-2018 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/udoprog/rust-advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/udoprog/rust-advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/udoprog/rust-advent-of-code-2018 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/udoprog/rust-advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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" "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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 747035edc9d48538282d0cdb7cc2057d0eae1f268373ab73cbb11ba27a28fa1f
[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" "747035edc9d48538282d0cdb7cc2057d0eae1f268373ab73cbb11ba27a28fa1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747035edc9d48538282d0cdb7cc2057d0eae1f268373ab73cbb11ba27a28fa1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747035edc9d48538282d0cdb7cc2057d0eae1f268373ab73cbb11ba27a28fa1f", kill_on_drop: false }`
[INFO] [stdout] 747035edc9d48538282d0cdb7cc2057d0eae1f268373ab73cbb11ba27a28fa1f
[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" "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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f63d2f964ff6b7b6d225c95a61439f869d795f70605e54e3434f5c1dd66ac22
[INFO] running `Command { std: "docker" "start" "-a" "3f63d2f964ff6b7b6d225c95a61439f869d795f70605e54e3434f5c1dd66ac22", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day15 src/bin/day15.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=999be03f57121317 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.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 `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day16 src/bin/day16.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=7f541b428125f1c3 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day20 src/bin/day20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=99eb8f5c5a39af32 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day17 src/bin/day17.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=44155e1d29718ac6 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day18 src/bin/day18.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=be13ec6428cb235b -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day3 src/bin/day3.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=78d1251c0d6be88d -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day2 src/bin/day2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=0696d8b82a986a8b -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day9 src/bin/day9.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=6312f49c3e7e7eac -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc2018`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day19 src/bin/day19.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=26801cae07df0d69 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d3729f0512eb0805.rmeta --extern aoc2018=/opt/rustwide/target/debug/deps/libaoc2018-f9257b759fe2f1a4.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a0098a2a97fb541d.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-5f68666e56268228.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-fbe5b34f981bbaf9.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9b8cd6bdbc2e8686.rmeta --extern ncurses=/opt/rustwide/target/debug/deps/libncurses-0a4fdd8172f40de1.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-672f221d5c1f52cf.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-92d2606a4fa5e78a.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3f63d2f964ff6b7b6d225c95a61439f869d795f70605e54e3434f5c1dd66ac22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f63d2f964ff6b7b6d225c95a61439f869d795f70605e54e3434f5c1dd66ac22", kill_on_drop: false }`
[INFO] [stdout] 3f63d2f964ff6b7b6d225c95a61439f869d795f70605e54e3434f5c1dd66ac22