[INFO] fetching crate boson 0.8.0...
[INFO] documenting boson-0.8.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate boson 0.8.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate boson 0.8.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boson 0.8.0
[INFO] finished tweaking crates.io crate boson 0.8.0
[INFO] tweaked toml for crates.io crate boson 0.8.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.37.2+1.3.238` for dependency `ash` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-window-metal v0.3.1
[INFO] [stderr]   Downloaded profiling-procmacros v1.0.8
[INFO] [stderr]   Downloaded ash-window v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ccdb3f9023a18cc6f8847490f837702099590b37ff26c1bbe5d0791a4730a52
[INFO] running `Command { std: "docker" "start" "-a" "4ccdb3f9023a18cc6f8847490f837702099590b37ff26c1bbe5d0791a4730a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ccdb3f9023a18cc6f8847490f837702099590b37ff26c1bbe5d0791a4730a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccdb3f9023a18cc6f8847490f837702099590b37ff26c1bbe5d0791a4730a52", kill_on_drop: false }`
[INFO] [stdout] 4ccdb3f9023a18cc6f8847490f837702099590b37ff26c1bbe5d0791a4730a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b17d32de4bbaeda4dfa601e377b657b9cda81cb636529ec3f3cfae63b31801
[INFO] running `Command { std: "docker" "start" "-a" "f9b17d32de4bbaeda4dfa601e377b657b9cda81cb636529ec3f3cfae63b31801", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.37.2+1.3.238` for dependency `ash` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking bitflags v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling profiling-procmacros v1.0.8
[INFO] [stderr]     Checking profiling v1.0.8
[INFO] [stderr]     Checking ash-window v0.12.0
[INFO] [stderr]  Documenting boson v0.8.0 (/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(default_free_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(exit_status_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(let_else)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_else` has been stable since `1.65.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `boson`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name boson src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3b489782118984da -L dependency=/opt/rustwide/target/debug/deps --extern ash=/opt/rustwide/target/debug/deps/libash-1f825c6228482b6c.rmeta --extern ash_window=/opt/rustwide/target/debug/deps/libash_window-43669c188fdddfbb.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-68c9dbfc981d7807.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9c7d51f549cf58b7.rmeta --extern profiling=/opt/rustwide/target/debug/deps/libprofiling-7e0d13fb0354f18d.rmeta --extern raw_window_handle=/opt/rustwide/target/debug/deps/libraw_window_handle-153fa3c3f577cbb3.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-7c73b5d61f8b2395.rmeta --cap-lints=warn --crate-version 0.8.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f9b17d32de4bbaeda4dfa601e377b657b9cda81cb636529ec3f3cfae63b31801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b17d32de4bbaeda4dfa601e377b657b9cda81cb636529ec3f3cfae63b31801", kill_on_drop: false }`
[INFO] [stdout] f9b17d32de4bbaeda4dfa601e377b657b9cda81cb636529ec3f3cfae63b31801
