[INFO] cloning repository https://github.com/luki446/wongs-game-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luki446/wongs-game-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluki446%2Fwongs-game-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluki446%2Fwongs-game-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14884ef6c37ecc81c95e66047a77ec3fa32006ac
[INFO] documenting luki446/wongs-game-solver 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%2Fluki446%2Fwongs-game-solver" "/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/luki446/wongs-game-solver 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/luki446/wongs-game-solver
[INFO] finished tweaking git repo https://github.com/luki446/wongs-game-solver
[INFO] tweaked toml for git repo https://github.com/luki446/wongs-game-solver written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/luki446/wongs-game-solver 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-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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2620d0afee4aa631645e97d9f74abc2bc4e955b7ec8d9571db756092fa26fe0a
[INFO] running `Command { std: "docker" "start" "-a" "2620d0afee4aa631645e97d9f74abc2bc4e955b7ec8d9571db756092fa26fe0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2620d0afee4aa631645e97d9f74abc2bc4e955b7ec8d9571db756092fa26fe0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2620d0afee4aa631645e97d9f74abc2bc4e955b7ec8d9571db756092fa26fe0a", kill_on_drop: false }`
[INFO] [stdout] 2620d0afee4aa631645e97d9f74abc2bc4e955b7ec8d9571db756092fa26fe0a
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcffb1a5136c692cfc390f47d8cc7e821618391de211ae945de9b01bf20976eb
[INFO] running `Command { std: "docker" "start" "-a" "bcffb1a5136c692cfc390f47d8cc7e821618391de211ae945de9b01bf20976eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting wongs-game-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(duration_consts_2)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not document `wongs-game-solver`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name wongs_game_solver 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=44185b45c1526388 -L dependency=/opt/rustwide/target/debug/deps --extern indicatif=/opt/rustwide/target/debug/deps/libindicatif-9fc3c535b73852df.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a4c0c2f3c0aa51ad.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-a3ff1300ccb514c5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "bcffb1a5136c692cfc390f47d8cc7e821618391de211ae945de9b01bf20976eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcffb1a5136c692cfc390f47d8cc7e821618391de211ae945de9b01bf20976eb", kill_on_drop: false }`
[INFO] [stdout] bcffb1a5136c692cfc390f47d8cc7e821618391de211ae945de9b01bf20976eb