[INFO] cloning repository https://github.com/josephlr/rust-aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/josephlr/rust-aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosephlr%2Frust-aoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjosephlr%2Frust-aoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a2cfb653e80c78a3fb31635bcf8150d38dca939
[INFO] documenting josephlr/rust-aoc 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%2Fjosephlr%2Frust-aoc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/josephlr/rust-aoc 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] started tweaking git repo https://github.com/josephlr/rust-aoc
[INFO] finished tweaking git repo https://github.com/josephlr/rust-aoc
[INFO] tweaked toml for git repo https://github.com/josephlr/rust-aoc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/josephlr/rust-aoc 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 intrusive-collections v0.7.8
[INFO] [stderr]   Downloaded euclid v0.19.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0742b1f5d7cda1ecdea61ae8be67bc23c1db6696bf24108aa29da4ca497b393f
[INFO] running `Command { std: "docker" "start" "-a" "0742b1f5d7cda1ecdea61ae8be67bc23c1db6696bf24108aa29da4ca497b393f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0742b1f5d7cda1ecdea61ae8be67bc23c1db6696bf24108aa29da4ca497b393f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0742b1f5d7cda1ecdea61ae8be67bc23c1db6696bf24108aa29da4ca497b393f", kill_on_drop: false }`
[INFO] [stdout] 0742b1f5d7cda1ecdea61ae8be67bc23c1db6696bf24108aa29da4ca497b393f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dc78aa6003b629de8bc502881abd44575a6c0edc83a2486c4efd132d3b0e49ca
[INFO] running `Command { std: "docker" "start" "-a" "dc78aa6003b629de8bc502881abd44575a6c0edc83a2486c4efd132d3b0e49ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking intrusive-collections v0.7.8
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking euclid v0.19.4
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]  Documenting rust-aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `option`
[INFO] [stdout]   --> src/util/error.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl From<option::NoneError> for Error {
[INFO] [stdout]    |                   ^^^^^^^^^ not found in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `option`
[INFO] [stdout]   --> src/util/error.rs:47:24
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn from(_: option::NoneError) -> Self {
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `option`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![feature(
[INFO] [stdout] 2  | |     nll,
[INFO] [stdout] 3  | |     never_type,
[INFO] [stdout] 4  | |     specialization,
[INFO] [stdout] ...  |
[INFO] [stdout] 9  | |     try_trait
[INFO] [stdout] 10 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `uniform_paths` has been stable since `1.32.0` and no longer requires an attribute to enable
[INFO] [stdout]    = help: the feature `uniform_paths` has been stable since `1.32.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     specialization,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust-aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_aoc src/main.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=5feeba754ad89dbb -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-81e884a3a0ca8f14.rmeta --extern euclid=/opt/rustwide/target/debug/deps/libeuclid-7470c679dd901333.rmeta --extern intrusive_collections=/opt/rustwide/target/debug/deps/libintrusive_collections-a03e6d8c1d0ff629.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-431154ef4d2b3258.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-90c92f8112b62a9b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dc78aa6003b629de8bc502881abd44575a6c0edc83a2486c4efd132d3b0e49ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc78aa6003b629de8bc502881abd44575a6c0edc83a2486c4efd132d3b0e49ca", kill_on_drop: false }`
[INFO] [stdout] dc78aa6003b629de8bc502881abd44575a6c0edc83a2486c4efd132d3b0e49ca
