[INFO] cloning repository https://github.com/guewen/ramaze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guewen/ramaze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguewen%2Framaze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguewen%2Framaze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bde863cbfc8cf2e4c4be2e589164a31b764d48d
[INFO] documenting guewen/ramaze 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%2Fguewen%2Framaze" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guewen/ramaze 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/guewen/ramaze
[INFO] finished tweaking git repo https://github.com/guewen/ramaze
[INFO] tweaked toml for git repo https://github.com/guewen/ramaze written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/guewen/ramaze 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] warning: path `/workspace/builds/worker-23/source/src/ramaze.rs` was erroneously implicitly accepted for binary `ramaze`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 9f7cbacca0663a1af15461cec1bd2efd72c8ef61679ef52b511ea77e4ba0d4d5
[INFO] running `Command { std: "docker" "start" "-a" "9f7cbacca0663a1af15461cec1bd2efd72c8ef61679ef52b511ea77e4ba0d4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f7cbacca0663a1af15461cec1bd2efd72c8ef61679ef52b511ea77e4ba0d4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7cbacca0663a1af15461cec1bd2efd72c8ef61679ef52b511ea77e4ba0d4d5", kill_on_drop: false }`
[INFO] [stdout] 9f7cbacca0663a1af15461cec1bd2efd72c8ef61679ef52b511ea77e4ba0d4d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 3429b2fb7b1bcf7648db79ddad9152e8b944ef4dce015b3a8f4258cfdf5d052c
[INFO] running `Command { std: "docker" "start" "-a" "3429b2fb7b1bcf7648db79ddad9152e8b944ef4dce015b3a8f4258cfdf5d052c", kill_on_drop: false }`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/ramaze.rs` was erroneously implicitly accepted for binary `ramaze`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting ramaze v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/ramaze.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/ramaze.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hash)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `hash`
[INFO] [stdout]  --> src/ramaze.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(hash)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ramaze`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name ramaze src/ramaze.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=ebd836a630d90ea5 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3429b2fb7b1bcf7648db79ddad9152e8b944ef4dce015b3a8f4258cfdf5d052c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3429b2fb7b1bcf7648db79ddad9152e8b944ef4dce015b3a8f4258cfdf5d052c", kill_on_drop: false }`
[INFO] [stdout] 3429b2fb7b1bcf7648db79ddad9152e8b944ef4dce015b3a8f4258cfdf5d052c