[INFO] fetching crate rust-cheatsheet 0.1.0...
[INFO] documenting rust-cheatsheet-0.1.0 against 1.64.0 for beta-1.65-rustdoc-1
[INFO] extracting crate rust-cheatsheet 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust-cheatsheet 0.1.0 on toolchain 1.64.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-cheatsheet 0.1.0
[INFO] finished tweaking crates.io crate rust-cheatsheet 0.1.0
[INFO] tweaked toml for crates.io crate rust-cheatsheet 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rust-cheatsheet 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7daec174f1ef9531e66587abf497c0e2c4ecc1b6358eb308e74860fc4de44fb8
[INFO] running `Command { std: "docker" "start" "-a" "7daec174f1ef9531e66587abf497c0e2c4ecc1b6358eb308e74860fc4de44fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7daec174f1ef9531e66587abf497c0e2c4ecc1b6358eb308e74860fc4de44fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7daec174f1ef9531e66587abf497c0e2c4ecc1b6358eb308e74860fc4de44fb8", kill_on_drop: false }`
[INFO] [stdout] 7daec174f1ef9531e66587abf497c0e2c4ecc1b6358eb308e74860fc4de44fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004d42d0bc54cd20f7f679ebde0fffb5014dddc91312f6ec1045ea2a3c633981
[INFO] running `Command { std: "docker" "start" "-a" "004d42d0bc54cd20f7f679ebde0fffb5014dddc91312f6ec1045ea2a3c633981", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-cheatsheet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rust-cheatsheet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:87:31
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust-cheatsheet`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name closures src/bin/closures.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=d7252e4474180aa4 -L dependency=/opt/rustwide/target/debug/deps --extern rust_cheatsheet=/opt/rustwide/target/debug/deps/librust_cheatsheet-e8e3592b95bcea7c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `rust-cheatsheet`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name lifetimes src/bin/lifetimes.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=62db9edd1143fac5 -L dependency=/opt/rustwide/target/debug/deps --extern rust_cheatsheet=/opt/rustwide/target/debug/deps/librust_cheatsheet-e8e3592b95bcea7c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `rust-cheatsheet`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name vectors src/bin/collections/vectors.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=888b9d269e07b771 -L dependency=/opt/rustwide/target/debug/deps --extern rust_cheatsheet=/opt/rustwide/target/debug/deps/librust_cheatsheet-e8e3592b95bcea7c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "004d42d0bc54cd20f7f679ebde0fffb5014dddc91312f6ec1045ea2a3c633981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004d42d0bc54cd20f7f679ebde0fffb5014dddc91312f6ec1045ea2a3c633981", kill_on_drop: false }`
[INFO] [stdout] 004d42d0bc54cd20f7f679ebde0fffb5014dddc91312f6ec1045ea2a3c633981