[INFO] cloning repository https://github.com/zesterer/funkicrab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zesterer/funkicrab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffunkicrab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Ffunkicrab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98528cc593478391a0ef0f91ff533592cf263914
[INFO] documenting zesterer/funkicrab 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%2Fzesterer%2Ffunkicrab" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zesterer/funkicrab 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/zesterer/funkicrab
[INFO] finished tweaking git repo https://github.com/zesterer/funkicrab
[INFO] tweaked toml for git repo https://github.com/zesterer/funkicrab written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/zesterer/funkicrab 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 bimap v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 17069ecdfe9f0f6e324d58d6220b7e6e057883b1b3962123434d12c32414401f
[INFO] running `Command { std: "docker" "start" "-a" "17069ecdfe9f0f6e324d58d6220b7e6e057883b1b3962123434d12c32414401f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17069ecdfe9f0f6e324d58d6220b7e6e057883b1b3962123434d12c32414401f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17069ecdfe9f0f6e324d58d6220b7e6e057883b1b3962123434d12c32414401f", kill_on_drop: false }`
[INFO] [stdout] 17069ecdfe9f0f6e324d58d6220b7e6e057883b1b3962123434d12c32414401f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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] 5cbe40453a7b3af6d5078e966973c1ed3cddbc408915caac80e05b565467d4d2
[INFO] running `Command { std: "docker" "start" "-a" "5cbe40453a7b3af6d5078e966973c1ed3cddbc408915caac80e05b565467d4d2", kill_on_drop: false }`
[INFO] [stderr]     Checking bimap v0.1.5
[INFO] [stderr]  Documenting funkicrab v0.1.0 (/opt/rustwide/workdir)
[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(label_break_value)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/llir.rs:242:20
[INFO] [stdout]     |
[INFO] [stdout] 242 |                 if (if let CellAccessInfo::Exactly(cells) = &cell_reads {
[INFO] [stdout]     |                    ^
[INFO] [stdout] ...
[INFO] [stdout] 246 |                 }) {
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 242 ~                 if if let CellAccessInfo::Exactly(cells) = &cell_reads {
[INFO] [stdout] 243 |                     cells.len() == 0
[INFO] [stdout] 244 |                 } else {
[INFO] [stdout] 245 |                     false
[INFO] [stdout] 246 ~                 } {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning 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 `funkicrab`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name funkicrab src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=39b03c09d8456fb7 -L dependency=/opt/rustwide/target/debug/deps --extern bimap=/opt/rustwide/target/debug/deps/libbimap-e4e2928245c0ea8a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5cbe40453a7b3af6d5078e966973c1ed3cddbc408915caac80e05b565467d4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cbe40453a7b3af6d5078e966973c1ed3cddbc408915caac80e05b565467d4d2", kill_on_drop: false }`
[INFO] [stdout] 5cbe40453a7b3af6d5078e966973c1ed3cddbc408915caac80e05b565467d4d2