[INFO] cloning repository https://github.com/AndreiBarsan/2021-advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndreiBarsan/2021-advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreiBarsan%2F2021-advent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreiBarsan%2F2021-advent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a34e376e88514b6d35b997f2cce354765ec327eb
[INFO] documenting AndreiBarsan/2021-advent-of-code against 1.64.0 for beta-1.65-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreiBarsan%2F2021-advent-of-code" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AndreiBarsan/2021-advent-of-code on toolchain 1.64.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AndreiBarsan/2021-advent-of-code
[INFO] finished tweaking git repo https://github.com/AndreiBarsan/2021-advent-of-code
[INFO] tweaked toml for git repo https://github.com/AndreiBarsan/2021-advent-of-code written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/AndreiBarsan/2021-advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d4d4287b2e4edc4017d24ec327bad1beaf48bbd4d27f376be4c76ff9331afa1
[INFO] running `Command { std: "docker" "start" "-a" "0d4d4287b2e4edc4017d24ec327bad1beaf48bbd4d27f376be4c76ff9331afa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4d4287b2e4edc4017d24ec327bad1beaf48bbd4d27f376be4c76ff9331afa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4d4287b2e4edc4017d24ec327bad1beaf48bbd4d27f376be4c76ff9331afa1", kill_on_drop: false }`
[INFO] [stdout] 0d4d4287b2e4edc4017d24ec327bad1beaf48bbd4d27f376be4c76ff9331afa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0f15921a4857bbd5f019461b4163eae52d4fac44c7a385e6ddadbdc5dafdf58
[INFO] running `Command { std: "docker" "start" "-a" "a0f15921a4857bbd5f019461b4163eae52d4fac44c7a385e6ddadbdc5dafdf58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking ndarray-stats v0.5.0
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]  Documenting aoc21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/bin/24_alu.rs:239:22
[INFO] [stdout]     |
[INFO] [stdout] 239 |     target_zs.insert((0i64), (0i64));
[INFO] [stdout]     |                      ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -     target_zs.insert((0i64), (0i64));
[INFO] [stdout] 239 +     target_zs.insert(0i64, (0i64));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/bin/24_alu.rs:239:30
[INFO] [stdout]     |
[INFO] [stdout] 239 |     target_zs.insert((0i64), (0i64));
[INFO] [stdout]     |                              ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -     target_zs.insert((0i64), (0i64));
[INFO] [stdout] 239 +     target_zs.insert((0i64), 0i64);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/bin/04_squid_bingo.rs:120:21
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let mut n_won = (0 as usize);
[INFO] [stdout]     |                     ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -     let mut n_won = (0 as usize);
[INFO] [stdout] 120 +     let mut n_won = 0 as usize;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/05_hydro_vents.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let max_x = (max(self.start.x, self.end.x) + 1);
[INFO] [stdout]    |                     ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -         let max_x = (max(self.start.x, self.end.x) + 1);
[INFO] [stdout] 87 +         let max_x = max(self.start.x, self.end.x) + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/05_hydro_vents.rs:89:21
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let max_y = (max(self.start.y, self.end.y) + 1);
[INFO] [stdout]    |                     ^                                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -         let max_y = (max(self.start.y, self.end.y) + 1);
[INFO] [stdout] 89 +         let max_y = max(self.start.y, self.end.y) + 1;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 12_passage src/bin/12_passage.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=7dbd78fd0dbd4130 -L dependency=/opt/rustwide/target/debug/deps --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-7ef96a3411b4651b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e3d47af013355851.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9c2bee109eaf02c7.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-538ef4906acf80ef.rmeta --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-f2ed3bb72e592782.rmeta --extern noisy_float=/opt/rustwide/target/debug/deps/libnoisy_float-7aada034777808c8.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-30bc63c89a59c440.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d9a59e62b5c9ed0b.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-415f437f87cb6e25.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 `aoc21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 04_squid_bingo src/bin/04_squid_bingo.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=b0c0f6aa689a7c59 -L dependency=/opt/rustwide/target/debug/deps --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-7ef96a3411b4651b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e3d47af013355851.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9c2bee109eaf02c7.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-538ef4906acf80ef.rmeta --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-f2ed3bb72e592782.rmeta --extern noisy_float=/opt/rustwide/target/debug/deps/libnoisy_float-7aada034777808c8.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-30bc63c89a59c440.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d9a59e62b5c9ed0b.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-415f437f87cb6e25.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 21_dirac_dice src/bin/21_dirac_dice.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=d3a9ffc479939729 -L dependency=/opt/rustwide/target/debug/deps --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-7ef96a3411b4651b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e3d47af013355851.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9c2bee109eaf02c7.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-538ef4906acf80ef.rmeta --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-f2ed3bb72e592782.rmeta --extern noisy_float=/opt/rustwide/target/debug/deps/libnoisy_float-7aada034777808c8.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-30bc63c89a59c440.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d9a59e62b5c9ed0b.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-415f437f87cb6e25.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name 24_alu src/bin/24_alu.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=e3143937f7bcf0e3 -L dependency=/opt/rustwide/target/debug/deps --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-7ef96a3411b4651b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e3d47af013355851.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-9c2bee109eaf02c7.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-538ef4906acf80ef.rmeta --extern ndarray_stats=/opt/rustwide/target/debug/deps/libndarray_stats-f2ed3bb72e592782.rmeta --extern noisy_float=/opt/rustwide/target/debug/deps/libnoisy_float-7aada034777808c8.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-30bc63c89a59c440.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d9a59e62b5c9ed0b.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-415f437f87cb6e25.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0f15921a4857bbd5f019461b4163eae52d4fac44c7a385e6ddadbdc5dafdf58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f15921a4857bbd5f019461b4163eae52d4fac44c7a385e6ddadbdc5dafdf58", kill_on_drop: false }`
[INFO] [stdout] a0f15921a4857bbd5f019461b4163eae52d4fac44c7a385e6ddadbdc5dafdf58