[INFO] cloning repository https://github.com/George-Miao/Anitomy-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/George-Miao/Anitomy-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorge-Miao%2FAnitomy-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorge-Miao%2FAnitomy-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 841b1faac531b4872f032e9267c91326291aee49
[INFO] documenting George-Miao/Anitomy-rs against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeorge-Miao%2FAnitomy-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/George-Miao/Anitomy-rs on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/George-Miao/Anitomy-rs
[INFO] finished tweaking git repo https://github.com/George-Miao/Anitomy-rs
[INFO] tweaked toml for git repo https://github.com/George-Miao/Anitomy-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/George-Miao/Anitomy-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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subslice v0.2.3
[INFO] [stderr]   Downloaded mod_use v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7976f5a62a50d870bb37a24d83f1e64fde9e93e2e176740bae8d3c3e0fe2cdd
[INFO] running `Command { std: "docker" "start" "-a" "d7976f5a62a50d870bb37a24d83f1e64fde9e93e2e176740bae8d3c3e0fe2cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7976f5a62a50d870bb37a24d83f1e64fde9e93e2e176740bae8d3c3e0fe2cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7976f5a62a50d870bb37a24d83f1e64fde9e93e2e176740bae8d3c3e0fe2cdd", kill_on_drop: false }`
[INFO] [stdout] d7976f5a62a50d870bb37a24d83f1e64fde9e93e2e176740bae8d3c3e0fe2cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9620a569ad8afec0c9aac28a07192a2e41d8d644c37392d459c5e0689369b202
[INFO] running `Command { std: "docker" "start" "-a" "9620a569ad8afec0c9aac28a07192a2e41d8d644c37392d459c5e0689369b202", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking mod_use v0.2.1
[INFO] [stderr]     Checking widestring v1.0.2
[INFO] [stderr]     Checking subslice v0.2.3
[INFO] [stderr]  Documenting anitomy-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `anitomy-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name anitomy_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0686752de24133ba -L dependency=/opt/rustwide/target/debug/deps --extern mod_use=/opt/rustwide/target/debug/deps/libmod_use-58493f8314da6bd6.rmeta --extern subslice=/opt/rustwide/target/debug/deps/libsubslice-9480d5a6282a7823.rmeta --extern widestring=/opt/rustwide/target/debug/deps/libwidestring-3884d0bceffdc05e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9620a569ad8afec0c9aac28a07192a2e41d8d644c37392d459c5e0689369b202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9620a569ad8afec0c9aac28a07192a2e41d8d644c37392d459c5e0689369b202", kill_on_drop: false }`
[INFO] [stdout] 9620a569ad8afec0c9aac28a07192a2e41d8d644c37392d459c5e0689369b202
