[INFO] cloning repository https://github.com/adedomin/advent-of-code-2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adedomin/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadedomin%2Fadvent-of-code-2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadedomin%2Fadvent-of-code-2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3bbaa0366be311f2b5acf3b7929c18ca7020a308 [INFO] documenting adedomin/advent-of-code-2021 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%2Fadedomin%2Fadvent-of-code-2021" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/adedomin/advent-of-code-2021 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/adedomin/advent-of-code-2021 [INFO] finished tweaking git repo https://github.com/adedomin/advent-of-code-2021 [INFO] tweaked toml for git repo https://github.com/adedomin/advent-of-code-2021 written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/adedomin/advent-of-code-2021 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 045533cce737c5e731446098a636b15681676bf0033424a502637b8bfa786818 [INFO] running `Command { std: "docker" "start" "-a" "045533cce737c5e731446098a636b15681676bf0033424a502637b8bfa786818", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "045533cce737c5e731446098a636b15681676bf0033424a502637b8bfa786818", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "045533cce737c5e731446098a636b15681676bf0033424a502637b8bfa786818", kill_on_drop: false }` [INFO] [stdout] 045533cce737c5e731446098a636b15681676bf0033424a502637b8bfa786818 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] [stdout] 8d09fab89b2e916316e3e6a4b3597c88dc5ee63b02573459b4eeb90825a11c78 [INFO] running `Command { std: "docker" "start" "-a" "8d09fab89b2e916316e3e6a4b3597c88dc5ee63b02573459b4eeb90825a11c78", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking funty v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking wyz v0.4.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking bitvec v0.22.3 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking advent-of-code-2021 v2021.12.1 (/opt/rustwide/workdir) [INFO] [stderr] Documenting advent-of-code-2021 v2021.12.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/day07.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_abs_diff)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/day20.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_abs_diff)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/day10.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_abs_diff)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/day19.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_abs_diff)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/day01.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(array_windows)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/day16.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(array_chunks)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/day13.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_abs_diff)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/bin/day14.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(array_windows)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --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=751ee81891ba203f -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --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=f923344b770d7132 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day12 src/bin/day12.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=2c3087ef082de155 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day09 src/bin/day09.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=cdaf1155a5ff324e -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --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=82c27db75b346e1b -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day01 src/bin/day01.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=37b6a3987d98a191 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --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=02b8894a2687094e -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day04 src/bin/day04.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=ce127a6875202413 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day05 src/bin/day05.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=583b8724ed29af96 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --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=e742ce8d7bed012e -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (signal: 9, SIGKILL: kill) [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day10 src/bin/day10.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=945e14d77324ffdd -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (exit status: 1) [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day07 src/bin/day07.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=23a24881c4ced51b -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (exit status: 1) [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day14 src/bin/day14.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=a5e6f736a00e9cd2 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (exit status: 1) [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `advent-of-code-2021` [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day13 src/bin/day13.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=27c99d70cf2c9f39 -L dependency=/opt/rustwide/target/debug/deps --extern advent_of_code_2021=/opt/rustwide/target/debug/deps/libadvent_of_code_2021-b79a46673b436456.rmeta --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-e36b805de111542a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-e10dc731f9ac719c.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-fbc1bc8e1ec64cd4.rmeta --cap-lints=warn --crate-version 2021.12.1` (exit status: 1) [INFO] running `Command { std: "docker" "inspect" "8d09fab89b2e916316e3e6a4b3597c88dc5ee63b02573459b4eeb90825a11c78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d09fab89b2e916316e3e6a4b3597c88dc5ee63b02573459b4eeb90825a11c78", kill_on_drop: false }` [INFO] [stdout] 8d09fab89b2e916316e3e6a4b3597c88dc5ee63b02573459b4eeb90825a11c78