[INFO] fetching crate mediainfolib-rs 0.1.1...
[INFO] documenting mediainfolib-rs-0.1.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate mediainfolib-rs 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mediainfolib-rs 0.1.1 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 mediainfolib-rs 0.1.1
[INFO] finished tweaking crates.io crate mediainfolib-rs 0.1.1
[INFO] tweaked toml for crates.io crate mediainfolib-rs 0.1.1 written to /workspace/builds/worker-1-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] 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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d149a55327d16db38f7d4a0287f2134ff453fb9db8f457f4404743dd82fb8b29
[INFO] running `Command { std: "docker" "start" "-a" "d149a55327d16db38f7d4a0287f2134ff453fb9db8f457f4404743dd82fb8b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d149a55327d16db38f7d4a0287f2134ff453fb9db8f457f4404743dd82fb8b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d149a55327d16db38f7d4a0287f2134ff453fb9db8f457f4404743dd82fb8b29", kill_on_drop: false }`
[INFO] [stdout] d149a55327d16db38f7d4a0287f2134ff453fb9db8f457f4404743dd82fb8b29
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 72b1ba0f5f715ae1afef4c31c28eddc1232904957e916b3b28b2cfd78425d36d
[INFO] running `Command { std: "docker" "start" "-a" "72b1ba0f5f715ae1afef4c31c28eddc1232904957e916b3b28b2cfd78425d36d", kill_on_drop: false }`
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling mediainfolib-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `build_dep` is never used
[INFO] [stdout]   --> build.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn build_dep(path: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shared_libs` is never used
[INFO] [stdout]   --> build.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn shared_libs() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting mediainfolib-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(c_size_t)]
[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 `mediainfolib-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name mediainfolib_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6928ee93add1faae -L dependency=/opt/rustwide/target/debug/deps --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-b839f3f80c6bc09b.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "72b1ba0f5f715ae1afef4c31c28eddc1232904957e916b3b28b2cfd78425d36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b1ba0f5f715ae1afef4c31c28eddc1232904957e916b3b28b2cfd78425d36d", kill_on_drop: false }`
[INFO] [stdout] 72b1ba0f5f715ae1afef4c31c28eddc1232904957e916b3b28b2cfd78425d36d
