[INFO] fetching crate nilsimsa 0.2.0...
[INFO] documenting nilsimsa-0.2.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate nilsimsa 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate nilsimsa 0.2.0 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 crates.io crate nilsimsa 0.2.0
[INFO] finished tweaking crates.io crate nilsimsa 0.2.0
[INFO] tweaked toml for crates.io crate nilsimsa 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "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] d3812a08254d212053f7accb893fe9704f0109b5e18cd3b28ee875eaa4f75677
[INFO] running `Command { std: "docker" "start" "-a" "d3812a08254d212053f7accb893fe9704f0109b5e18cd3b28ee875eaa4f75677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3812a08254d212053f7accb893fe9704f0109b5e18cd3b28ee875eaa4f75677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3812a08254d212053f7accb893fe9704f0109b5e18cd3b28ee875eaa4f75677", kill_on_drop: false }`
[INFO] [stdout] d3812a08254d212053f7accb893fe9704f0109b5e18cd3b28ee875eaa4f75677
[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] 590d00f2cc6bb4f238068fede4426db047eea59fd3f081211fb0ed598e995798
[INFO] running `Command { std: "docker" "start" "-a" "590d00f2cc6bb4f238068fede4426db047eea59fd3f081211fb0ed598e995798", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]  Documenting nilsimsa v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]  --> src/lib.rs:7:81
[INFO] [stdout]   |
[INFO] [stdout] 7 | //! substantially change the resulting hash. This crate contains the [Nilsimsa](Nilsimsa) utility to calculate Nilsimsa
[INFO] [stdout]   |                                                                       --------  ^^^^^^^^ explicit target is redundant
[INFO] [stdout]   |                                                                       |
[INFO] [stdout]   |                                                                       because label contains path that resolves to same destination
[INFO] [stdout]   |
[INFO] [stdout]   = note: when a link's destination is not specified,
[INFO] [stdout]           the label is used to resolve intra-doc links
[INFO] [stdout]   = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]   |
[INFO] [stdout] 7 | //! substantially change the resulting hash. This crate contains the [Nilsimsa] utility to calculate Nilsimsa
[INFO] [stdout]   |                                                                      ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant explicit link target
[INFO] [stdout]  --> src/lib.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 | //! hash digests, as well as a [compare](compare) function for given digests.
[INFO] [stdout]   |                                 -------  ^^^^^^^ explicit target is redundant
[INFO] [stdout]   |                                 |
[INFO] [stdout]   |                                 because label contains path that resolves to same destination
[INFO] [stdout]   |
[INFO] [stdout]   = note: when a link's destination is not specified,
[INFO] [stdout]           the label is used to resolve intra-doc links
[INFO] [stdout] help: remove explicit link target
[INFO] [stdout]   |
[INFO] [stdout] 8 | //! hash digests, as well as a [compare] function for given digests.
[INFO] [stdout]   |                                ~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 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 `nilsimsa`
[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=2018 --crate-type lib --crate-name nilsimsa src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5a2fdb9919810bda -L dependency=/opt/rustwide/target/debug/deps --extern hex=/opt/rustwide/target/debug/deps/libhex-154257be2cdb5bdc.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "590d00f2cc6bb4f238068fede4426db047eea59fd3f081211fb0ed598e995798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590d00f2cc6bb4f238068fede4426db047eea59fd3f081211fb0ed598e995798", kill_on_drop: false }`
[INFO] [stdout] 590d00f2cc6bb4f238068fede4426db047eea59fd3f081211fb0ed598e995798
