[INFO] cloning repository https://github.com/Cannedfood/music-notation-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cannedfood/music-notation-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCannedfood%2Fmusic-notation-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCannedfood%2Fmusic-notation-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73daed792b4760f7d4781fe4232983cc98305a65
[INFO] documenting Cannedfood/music-notation-rs against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCannedfood%2Fmusic-notation-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cannedfood/music-notation-rs
[INFO] finished tweaking git repo https://github.com/Cannedfood/music-notation-rs
[INFO] tweaked toml for git repo https://github.com/Cannedfood/music-notation-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cannedfood/music-notation-rs on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cannedfood/music-notation-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e8b82aa7a729cc71df3297eacc9a9a3b131993475090edebf6c2671a5c7442b
[INFO] running `Command { std: "docker" "start" "-a" "4e8b82aa7a729cc71df3297eacc9a9a3b131993475090edebf6c2671a5c7442b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e8b82aa7a729cc71df3297eacc9a9a3b131993475090edebf6c2671a5c7442b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8b82aa7a729cc71df3297eacc9a9a3b131993475090edebf6c2671a5c7442b", kill_on_drop: false }`
[INFO] [stdout] 4e8b82aa7a729cc71df3297eacc9a9a3b131993475090edebf6c2671a5c7442b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c001ea74f3260cbcffaa084d79bcb10fa09087cbe81a3955316fc6be95a61eb1
[INFO] running `Command { std: "docker" "start" "-a" "c001ea74f3260cbcffaa084d79bcb10fa09087cbe81a3955316fc6be95a61eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking midly v0.5.3
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]  Documenting music-notation v0.1.0 (/opt/rustwide/workdir)
[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(new_range_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `music-notation`
[INFO] running `Command { std: "docker" "inspect" "c001ea74f3260cbcffaa084d79bcb10fa09087cbe81a3955316fc6be95a61eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c001ea74f3260cbcffaa084d79bcb10fa09087cbe81a3955316fc6be95a61eb1", kill_on_drop: false }`
[INFO] [stdout] c001ea74f3260cbcffaa084d79bcb10fa09087cbe81a3955316fc6be95a61eb1
