[INFO] cloning repository https://github.com/muja/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/muja/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuja%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuja%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d409f690b0c4d23d132ff86153ac47d0d7daa76a
[INFO] documenting muja/advent_of_code 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%2Fmuja%2Fadvent_of_code" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muja/advent_of_code 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/muja/advent_of_code
[INFO] finished tweaking git repo https://github.com/muja/advent_of_code
[INFO] tweaked toml for git repo https://github.com/muja/advent_of_code written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/muja/advent_of_code 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[INFO] [stderr]   Downloaded libc v0.2.44
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded aoc-runner v0.1.0
[INFO] [stderr]   Downloaded syn v0.15.22
[INFO] [stderr]   Downloaded aoc-runner-internal v0.1.0
[INFO] [stderr]   Downloaded aoc-runner-derive v0.1.6
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded serde v1.0.80
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] e73b2b48fdbf6cf3738fd331aefefa729be213a459d554c927390f23489c3366
[INFO] running `Command { std: "docker" "start" "-a" "e73b2b48fdbf6cf3738fd331aefefa729be213a459d554c927390f23489c3366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e73b2b48fdbf6cf3738fd331aefefa729be213a459d554c927390f23489c3366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73b2b48fdbf6cf3738fd331aefefa729be213a459d554c927390f23489c3366", kill_on_drop: false }`
[INFO] [stdout] e73b2b48fdbf6cf3738fd331aefefa729be213a459d554c927390f23489c3366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 528f71bdc68b41d923689178f5f3f1b336beee85cb423e93d3abe63399352ad1
[INFO] running `Command { std: "docker" "start" "-a" "528f71bdc68b41d923689178f5f3f1b336beee85cb423e93d3abe63399352ad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking aoc-runner v0.1.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling aoc-runner-internal v0.1.0
[INFO] [stderr]    Compiling aoc-runner-derive v0.1.6
[INFO] [stderr]  Documenting advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | aoc_lib! { year = 2018 }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: failed to write infos from lib: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day1.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[aoc(day1, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day1.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[aoc(day1, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day2.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[aoc(day2, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day2.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[aoc(day2, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day3.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[aoc(day3, part1, Array)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day3.rs:42:1
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[aoc(day3, part1, HashMap)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day3.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | #[aoc(day3, part1, Claim)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day3.rs:167:1
[INFO] [stdout]     |
[INFO] [stdout] 167 | #[aoc(day3, part1, Regex)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day3.rs:183:1
[INFO] [stdout]     |
[INFO] [stdout] 183 | #[aoc(day3, part2, Unoptimized)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]    --> src/day3.rs:207:1
[INFO] [stdout]     |
[INFO] [stdout] 207 | #[aoc(day3, part2, PseudoOptimized)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day4.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[aoc(day4, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]   --> src/day4.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[aoc(day4, part2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day5.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[aoc(day5, part1)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate`
[INFO] [stdout]  --> src/day5.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[aoc(day5, part2)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ no `Factory` in the root
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `aoc` (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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(cell_update)]
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `advent_of_code`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name advent_of_code src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ac40a49b9960c12d -L dependency=/opt/rustwide/target/debug/deps --extern aoc_runner=/opt/rustwide/target/debug/deps/libaoc_runner-0604e3b7709146b8.rmeta --extern aoc_runner_derive=/opt/rustwide/target/debug/deps/libaoc_runner_derive-58d9044dd2ce925b.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-34beab4ed1f0a84e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-b3f9100f9eb1fae6.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "528f71bdc68b41d923689178f5f3f1b336beee85cb423e93d3abe63399352ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528f71bdc68b41d923689178f5f3f1b336beee85cb423e93d3abe63399352ad1", kill_on_drop: false }`
[INFO] [stdout] 528f71bdc68b41d923689178f5f3f1b336beee85cb423e93d3abe63399352ad1