[INFO] fetching crate clint 0.2.1...
[INFO] documenting clint-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate clint 0.2.1 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate clint 0.2.1 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 crates.io crate clint 0.2.1
[INFO] finished tweaking crates.io crate clint 0.2.1
[INFO] tweaked toml for crates.io crate clint 0.2.1 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate clint 0.2.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 4e99cce37dba5b39963dd1a5c1e13d9fdc8a4a912856f7bf84a344dde3b8c963
[INFO] running `Command { std: "docker" "start" "-a" "4e99cce37dba5b39963dd1a5c1e13d9fdc8a4a912856f7bf84a344dde3b8c963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e99cce37dba5b39963dd1a5c1e13d9fdc8a4a912856f7bf84a344dde3b8c963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e99cce37dba5b39963dd1a5c1e13d9fdc8a4a912856f7bf84a344dde3b8c963", kill_on_drop: false }`
[INFO] [stdout] 4e99cce37dba5b39963dd1a5c1e13d9fdc8a4a912856f7bf84a344dde3b8c963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] b8e33459f8ccdc11c5e902bb801f67b1ab791eda1ba27d4b2788c7f397bdbafa
[INFO] running `Command { std: "docker" "start" "-a" "b8e33459f8ccdc11c5e902bb801f67b1ab791eda1ba27d4b2788c7f397bdbafa", kill_on_drop: false }`
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(const_fn)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting clint v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `clint`
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name clint src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="isr-32"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=737d335e8c749e54 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.2.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b8e33459f8ccdc11c5e902bb801f67b1ab791eda1ba27d4b2788c7f397bdbafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e33459f8ccdc11c5e902bb801f67b1ab791eda1ba27d4b2788c7f397bdbafa", kill_on_drop: false }`
[INFO] [stdout] b8e33459f8ccdc11c5e902bb801f67b1ab791eda1ba27d4b2788c7f397bdbafa