[INFO] cloning repository https://github.com/Pluriscient/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pluriscient/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32a78b4481c4c10dcdcd64b07ada642b43e5fe8b
[INFO] documenting Pluriscient/aoc2020 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Faoc2020" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pluriscient/aoc2020 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Pluriscient/aoc2020
[INFO] finished tweaking git repo https://github.com/Pluriscient/aoc2020
[INFO] tweaked toml for git repo https://github.com/Pluriscient/aoc2020 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Pluriscient/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded factorial v0.2.0
[INFO] [stderr]   Downloaded terminal_size v0.1.15
[INFO] [stderr]   Downloaded modinverse v0.1.1
[INFO] [stderr]   Downloaded test-generator v0.3.0
[INFO] [stderr]   Downloaded prgrs v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa4819db64761cd9256aef2fb4928f953cd4354f7f24d86016867bc439caab5b
[INFO] running `Command { std: "docker" "start" "-a" "fa4819db64761cd9256aef2fb4928f953cd4354f7f24d86016867bc439caab5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa4819db64761cd9256aef2fb4928f953cd4354f7f24d86016867bc439caab5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4819db64761cd9256aef2fb4928f953cd4354f7f24d86016867bc439caab5b", kill_on_drop: false }`
[INFO] [stdout] fa4819db64761cd9256aef2fb4928f953cd4354f7f24d86016867bc439caab5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb96de7e2319897adfa86330c9b2c6885364af5500f6f7252b0d3486aa5c1661
[INFO] running `Command { std: "docker" "start" "-a" "fb96de7e2319897adfa86330c9b2c6885364af5500f6f7252b0d3486aa5c1661", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking modinverse v0.1.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking prgrs v0.6.4
[INFO] [stderr]     Checking factorial v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling test-generator v0.3.0
[INFO] [stderr]     Checking single v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]  Documenting aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/years/year2021/day20.rs:98:32
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         result[(yy * 3 + xx)] = self.pixels[(row * self.width + col)];
[INFO] [stdout]    |                                ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                         result[(yy * 3 + xx)] = self.pixels[(row * self.width + col)];
[INFO] [stdout] 98 +                         result[yy * 3 + xx] = self.pixels[(row * self.width + col)];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/years/year2021/day20.rs:98:61
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         result[(yy * 3 + xx)] = self.pixels[(row * self.width + col)];
[INFO] [stdout]    |                                                             ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                         result[(yy * 3 + xx)] = self.pixels[(row * self.width + col)];
[INFO] [stdout] 98 +                         result[(yy * 3 + xx)] = self.pixels[row * self.width + col];
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hash_drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `aoc2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name aoc2020 src/main.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="year2021"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=1acb18e828d75bdf -L dependency=/opt/rustwide/target/debug/deps --extern factorial=/opt/rustwide/target/debug/deps/libfactorial-e66f0adf20a9062a.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-df36d14af7528695.rmeta --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-e098e94086edc9aa.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-19b426cc124a3bc1.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern modinverse=/opt/rustwide/target/debug/deps/libmodinverse-3c3f2f78d163fc41.rmeta --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-33f31907a2b0f734.rmeta --extern prgrs=/opt/rustwide/target/debug/deps/libprgrs-8682bd546b0416fc.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-bdad765aa7ef24ea.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7e9d46d1ac6dee9a.rmeta --extern single=/opt/rustwide/target/debug/deps/libsingle-21c60fd8b5bb5660.rmeta --extern test_generator=/opt/rustwide/target/debug/deps/libtest_generator-773a1b57781a47a1.so --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fb96de7e2319897adfa86330c9b2c6885364af5500f6f7252b0d3486aa5c1661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb96de7e2319897adfa86330c9b2c6885364af5500f6f7252b0d3486aa5c1661", kill_on_drop: false }`
[INFO] [stdout] fb96de7e2319897adfa86330c9b2c6885364af5500f6f7252b0d3486aa5c1661
