[INFO] cloning repository https://github.com/gamma-delta/AOC-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamma-delta/AOC-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2FAOC-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2FAOC-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb0ec7a5df26d481baed3569e85a187d653e432e
[INFO] documenting gamma-delta/AOC-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%2Fgamma-delta%2FAOC-2020" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamma-delta/AOC-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/gamma-delta/AOC-2020
[INFO] finished tweaking git repo https://github.com/gamma-delta/AOC-2020
[INFO] tweaked toml for git repo https://github.com/gamma-delta/AOC-2020 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/gamma-delta/AOC-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 atom v0.3.6
[INFO] [stderr]   Downloaded fwdansi v1.1.0
[INFO] [stderr]   Downloaded multiset v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 6c7f4a784dc289c94f244e59bc371a38d3d18b0258db6e1ede69e5c7c6766cbf
[INFO] running `Command { std: "docker" "start" "-a" "6c7f4a784dc289c94f244e59bc371a38d3d18b0258db6e1ede69e5c7c6766cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7f4a784dc289c94f244e59bc371a38d3d18b0258db6e1ede69e5c7c6766cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7f4a784dc289c94f244e59bc371a38d3d18b0258db6e1ede69e5c7c6766cbf", kill_on_drop: false }`
[INFO] [stdout] 6c7f4a784dc289c94f244e59bc371a38d3d18b0258db6e1ede69e5c7c6766cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] bdfabd05a7a0053b3396f573fc112657748c58ffe33d083f5f95249c9b62b691
[INFO] running `Command { std: "docker" "start" "-a" "bdfabd05a7a0053b3396f573fc112657748c58ffe33d083f5f95249c9b62b691", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking multiset v0.0.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking fwdansi v1.1.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]     Checking enum-map v0.6.4
[INFO] [stderr]     Checking cogs-gamedev v0.1.6
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]  Documenting aoc_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/day1/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day1/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     include_str!("input.txt")
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day2/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day2/mod.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day3/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day3/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day4/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day4/mod.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day5/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day5/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day6/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day6/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day7/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day7/mod.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day8/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day8/mod.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day9/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day9/mod.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day10/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day10/mod.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day11/input.txt: No such file or directory (os error 2)
[INFO] [stdout]   --> src/day11/mod.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day12/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day12/mod.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day13/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day13/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day14/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day14/mod.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day16/input.txt: No such file or directory (os error 2)
[INFO] [stdout]   --> src/day16/mod.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day17/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day17/mod.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read src/day18/input.txt: No such file or directory (os error 2)
[INFO] [stdout]  --> src/day18/mod.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INPUT: &str = include_str!("input.txt");
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `include_str` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(iterator_fold_self)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 20 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc_2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aoc_2020 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=894a904851a2e7f8 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ee058f4b15ffd47f.rmeta --extern cogs_gamedev=/opt/rustwide/target/debug/deps/libcogs_gamedev-ba6c249d37277b94.rmeta --extern fwdansi=/opt/rustwide/target/debug/deps/libfwdansi-e5a4d4abc257a33d.rmeta --extern hibitset=/opt/rustwide/target/debug/deps/libhibitset-5e1ef859ef8da632.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern multiset=/opt/rustwide/target/debug/deps/libmultiset-6fd5cab3d734f1d9.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-d2779799ff5b840e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-5f85d9ae34c9803c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bdfabd05a7a0053b3396f573fc112657748c58ffe33d083f5f95249c9b62b691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfabd05a7a0053b3396f573fc112657748c58ffe33d083f5f95249c9b62b691", kill_on_drop: false }`
[INFO] [stdout] bdfabd05a7a0053b3396f573fc112657748c58ffe33d083f5f95249c9b62b691