[INFO] fetching crate procss 0.1.15...
[INFO] documenting procss-0.1.15 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate procss 0.1.15 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate procss 0.1.15 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] removed /workspace/builds/worker-1-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate procss 0.1.15
[INFO] finished tweaking crates.io crate procss 0.1.15
[INFO] tweaked toml for crates.io crate procss 0.1.15 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate procss 0.1.15 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] 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] 8453d027e2eacd4951ba9b60b70329c89b10ccf557e8ee1d7b2f4d61dc66b3cc
[INFO] running `Command { std: "docker" "start" "-a" "8453d027e2eacd4951ba9b60b70329c89b10ccf557e8ee1d7b2f4d61dc66b3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8453d027e2eacd4951ba9b60b70329c89b10ccf557e8ee1d7b2f4d61dc66b3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8453d027e2eacd4951ba9b60b70329c89b10ccf557e8ee1d7b2f4d61dc66b3cc", kill_on_drop: false }`
[INFO] [stdout] 8453d027e2eacd4951ba9b60b70329c89b10ccf557e8ee1d7b2f4d61dc66b3cc
[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] d58cc8945d0e46229d939d9a1ca93160441f78c6a1e3a3522a73e984eb982756
[INFO] running `Command { std: "docker" "start" "-a" "d58cc8945d0e46229d939d9a1ca93160441f78c6a1e3a3522a73e984eb982756", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]     Checking mockall v0.11.4
[INFO] [stderr]  Documenting procss v0.1.15 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | #![feature(assert_matches)]
[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:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | #![feature(path_file_prefix)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `BuildCss::add`
[INFO] [stdout]    --> src/builder.rs:109:11
[INFO] [stdout]     |
[INFO] [stdout] 109 |     /// [`BuildCss::add`], relative to `outdir`.
[INFO] [stdout]     |           ^^^^^^^^^^^^^ the struct `BuildCss` has no field or associated item named `add`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `BuildCss::add`
[INFO] [stdout]    --> src/builder.rs:123:11
[INFO] [stdout]     |
[INFO] [stdout] 123 |     /// [`BuildCss::add`], relative to `outdir`.
[INFO] [stdout]     |           ^^^^^^^^^^^^^ the struct `BuildCss` has no field or associated item named `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings 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 `procss`
[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 procss src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4d1023dd93c459dd -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-407784efe10f3351.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-8c378ceadce4af53.rmeta --extern mockall=/opt/rustwide/target/debug/deps/libmockall-8f63c2fc22396201.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-2f42620c6741e903.rmeta --cap-lints=warn --crate-version 0.1.15` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d58cc8945d0e46229d939d9a1ca93160441f78c6a1e3a3522a73e984eb982756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58cc8945d0e46229d939d9a1ca93160441f78c6a1e3a3522a73e984eb982756", kill_on_drop: false }`
[INFO] [stdout] d58cc8945d0e46229d939d9a1ca93160441f78c6a1e3a3522a73e984eb982756
