[INFO] cloning repository https://github.com/Saeris/rust-potrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Saeris/rust-potrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaeris%2Frust-potrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaeris%2Frust-potrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d93d0db47e0b5fa3bf4e250d5dec3d48ac79a54
[INFO] documenting Saeris/rust-potrace against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaeris%2Frust-potrace" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Saeris/rust-potrace on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Saeris/rust-potrace
[INFO] finished tweaking git repo https://github.com/Saeris/rust-potrace
[INFO] tweaked toml for git repo https://github.com/Saeris/rust-potrace written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Saeris/rust-potrace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cached_proc_macro v0.4.0
[INFO] [stderr]   Downloaded cargo-husky v1.5.0
[INFO] [stderr]   Downloaded async-mutex v1.3.0
[INFO] [stderr]   Downloaded cached v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 601eb0c3e1d070b9c756b9dfa395d0c48d48cd8ffe27dd71af3964dfef87489c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "601eb0c3e1d070b9c756b9dfa395d0c48d48cd8ffe27dd71af3964dfef87489c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601eb0c3e1d070b9c756b9dfa395d0c48d48cd8ffe27dd71af3964dfef87489c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601eb0c3e1d070b9c756b9dfa395d0c48d48cd8ffe27dd71af3964dfef87489c", kill_on_drop: false }`
[INFO] [stdout] 601eb0c3e1d070b9c756b9dfa395d0c48d48cd8ffe27dd71af3964dfef87489c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 535e0b964e229310611bc590735ba54824d1f0230cc6b1a786b6450bca0e1c29
[INFO] running `Command { std: "docker" "start" "-a" "535e0b964e229310611bc590735ba54824d1f0230cc6b1a786b6450bca0e1c29", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling async-mutex v1.3.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]     Checking num-bigint v0.3.0
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking rayon v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]     Checking num-rational v0.3.0
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Checking wasm-bindgen v0.2.68
[INFO] [stderr]    Compiling cached_proc_macro v0.4.0
[INFO] [stderr]     Checking cached v0.19.0
[INFO] [stderr]  Documenting rust-potrace v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot use a comma after the base struct
[INFO] [stdout]    --> src/posterizer.rs:176:48
[INFO] [stdout]     |
[INFO] [stdout] 176 |         potrace.setParameters(PotraceOptions { ..Default::default(), blackOnWhite });
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^- help: remove this comma
[INFO] [stdout]     |
[INFO] [stdout]     = note: the base struct must always be the last field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `1`
[INFO] [stdout]    --> src/posterizer.rs:243:82
[INFO] [stdout]     |
[INFO] [stdout] 243 |         colorStops = colorStops.sort(|a, b| { if a < b == lookingForDarkPixels { 1 } else { -1 } });
[INFO] [stdout]     |                                                           --------------------   ^ expected identifier
[INFO] [stdout]     |                                                           |
[INFO] [stdout]     |                                                           while parsing this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: comparison operators cannot be chained
[INFO] [stdout]    --> src/posterizer.rs:243:52
[INFO] [stdout]     |
[INFO] [stdout] 243 |         colorStops = colorStops.sort(|a, b| { if a < b == lookingForDarkPixels { 1 } else { -1 } });
[INFO] [stdout]     |                                                    ^   ^^
[INFO] [stdout]     |
[INFO] [stdout] help: parenthesize the comparison
[INFO] [stdout]     |
[INFO] [stdout] 243 |         colorStops = colorStops.sort(|a, b| { if (a < b) == lookingForDarkPixels { 1 } else { -1 } });
[INFO] [stdout]     |                                                  ^     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing condition for `if` expression
[INFO] [stdout]    --> src/posterizer.rs:243:49
[INFO] [stdout]     |
[INFO] [stdout] 243 |         colorStops = colorStops.sort(|a, b| { if a < b == lookingForDarkPixels { 1 } else { -1 } });
[INFO] [stdout]     |                                                 ^ expected if condition here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `boolean` in this scope
[INFO] [stdout]    --> src/posterizer.rs:167:41
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn pathTags(&mut self, noFillColor: boolean) -> Vec<&str> {
[INFO] [stdout]     |                                         ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust-potrace`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type cdylib --crate-name rust_potrace src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-301ff4ddca327bfb.rmeta --extern cached=/opt/rustwide/target/debug/deps/libcached-0184c6198d8bd6d2.rmeta --extern image=/opt/rustwide/target/debug/deps/libimage-281b4ce3d36c1655.rmeta --extern num=/opt/rustwide/target/debug/deps/libnum-2d0f4b1856705251.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c251ca4f1be2ef5d.rmeta --extern wasm_bindgen=/opt/rustwide/target/debug/deps/libwasm_bindgen-e0c51b292a4fe97a.rmeta --cap-lints=warn --crate-version 0.0.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "535e0b964e229310611bc590735ba54824d1f0230cc6b1a786b6450bca0e1c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535e0b964e229310611bc590735ba54824d1f0230cc6b1a786b6450bca0e1c29", kill_on_drop: false }`
[INFO] [stdout] 535e0b964e229310611bc590735ba54824d1f0230cc6b1a786b6450bca0e1c29
