[INFO] cloning repository https://github.com/oblivia-simplex/debasa-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oblivia-simplex/debasa-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblivia-simplex%2Fdebasa-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblivia-simplex%2Fdebasa-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d78b8ea204611a4afc9b91b5303235c2c96eca5d
[INFO] documenting oblivia-simplex/debasa-os 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%2Foblivia-simplex%2Fdebasa-os" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oblivia-simplex/debasa-os 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/oblivia-simplex/debasa-os
[INFO] finished tweaking git repo https://github.com/oblivia-simplex/debasa-os
[INFO] tweaked toml for git repo https://github.com/oblivia-simplex/debasa-os written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/oblivia-simplex/debasa-os 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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 96db1726133bec90105cb30d3d8b8a72e87f79d10983e453ce451f3ac927c91d
[INFO] running `Command { std: "docker" "start" "-a" "96db1726133bec90105cb30d3d8b8a72e87f79d10983e453ce451f3ac927c91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96db1726133bec90105cb30d3d8b8a72e87f79d10983e453ce451f3ac927c91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96db1726133bec90105cb30d3d8b8a72e87f79d10983e453ce451f3ac927c91d", kill_on_drop: false }`
[INFO] [stdout] 96db1726133bec90105cb30d3d8b8a72e87f79d10983e453ce451f3ac927c91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] a42ada4a7872a614117af7eb0ed209e2a9d8a9cdfd98d6eb9f257abd69f23e19
[INFO] running `Command { std: "docker" "start" "-a" "a42ada4a7872a614117af7eb0ed209e2a9d8a9cdfd98d6eb9f257abd69f23e19", kill_on_drop: false }`
[INFO] [stderr]     Checking rlibc v0.1.5
[INFO] [stderr]  Documenting blog_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)] // new
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_fn)] // new
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(unique)] // new
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `blog_os`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type staticlib --crate-name blog_os src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6c98c068ddbc96f3 -L dependency=/opt/rustwide/target/debug/deps --extern rlibc=/opt/rustwide/target/debug/deps/librlibc-f1f04013fbde62bf.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a42ada4a7872a614117af7eb0ed209e2a9d8a9cdfd98d6eb9f257abd69f23e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a42ada4a7872a614117af7eb0ed209e2a9d8a9cdfd98d6eb9f257abd69f23e19", kill_on_drop: false }`
[INFO] [stdout] a42ada4a7872a614117af7eb0ed209e2a9d8a9cdfd98d6eb9f257abd69f23e19