[INFO] fetching crate bitflags-associated-constants 0.6.0...
[INFO] documenting bitflags-associated-constants-0.6.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate bitflags-associated-constants 0.6.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bitflags-associated-constants 0.6.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitflags-associated-constants 0.6.0
[INFO] finished tweaking crates.io crate bitflags-associated-constants 0.6.0
[INFO] tweaked toml for crates.io crate bitflags-associated-constants 0.6.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compiletest_rs v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dffa14f57c8cdc09bca9caa6a34c758a09699ad58d9b52dd83463451a82bbef
[INFO] running `Command { std: "docker" "start" "-a" "8dffa14f57c8cdc09bca9caa6a34c758a09699ad58d9b52dd83463451a82bbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dffa14f57c8cdc09bca9caa6a34c758a09699ad58d9b52dd83463451a82bbef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dffa14f57c8cdc09bca9caa6a34c758a09699ad58d9b52dd83463451a82bbef", kill_on_drop: false }`
[INFO] [stdout] 8dffa14f57c8cdc09bca9caa6a34c758a09699ad58d9b52dd83463451a82bbef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c9bd4169e1729ddc505ba0fb3fe5cd7f5103c17a7a06367ae99167a408ffb55
[INFO] running `Command { std: "docker" "start" "-a" "0c9bd4169e1729ddc505ba0fb3fe5cd7f5103c17a7a06367ae99167a408ffb55", kill_on_drop: false }`
[INFO] [stderr]  Documenting bitflags-associated-constants v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(associated_consts)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `associated_consts` has been stable since `1.20.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[allow(private_in_public)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `bitflags-associated-constants`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name bitflags_associated_constants src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fc65cb9027ed07bc -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.6.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0c9bd4169e1729ddc505ba0fb3fe5cd7f5103c17a7a06367ae99167a408ffb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9bd4169e1729ddc505ba0fb3fe5cd7f5103c17a7a06367ae99167a408ffb55", kill_on_drop: false }`
[INFO] [stdout] 0c9bd4169e1729ddc505ba0fb3fe5cd7f5103c17a7a06367ae99167a408ffb55
