[INFO] fetching crate taskpool 0.1.0...
[INFO] documenting taskpool-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate taskpool 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate taskpool 0.1.0 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 taskpool 0.1.0
[INFO] finished tweaking crates.io crate taskpool 0.1.0
[INFO] tweaked toml for crates.io crate taskpool 0.1.0 written to /workspace/builds/worker-6-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stainless v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8887ffd2c16b3dbfd2eb7a96e6b4179176c9533961532de0ed6d0051f603eb79
[INFO] running `Command { std: "docker" "start" "-a" "8887ffd2c16b3dbfd2eb7a96e6b4179176c9533961532de0ed6d0051f603eb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8887ffd2c16b3dbfd2eb7a96e6b4179176c9533961532de0ed6d0051f603eb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8887ffd2c16b3dbfd2eb7a96e6b4179176c9533961532de0ed6d0051f603eb79", kill_on_drop: false }`
[INFO] [stdout] 8887ffd2c16b3dbfd2eb7a96e6b4179176c9533961532de0ed6d0051f603eb79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 85741b3f6972c363211fc33c2120b1afdc35be7e77383578ba041d8d5c0a0986
[INFO] running `Command { std: "docker" "start" "-a" "85741b3f6972c363211fc33c2120b1afdc35be7e77383578ba041d8d5c0a0986", kill_on_drop: false }`
[INFO] [stderr]  Documenting taskpool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/lib.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |         spawn(proc() {
[INFO] [stdout]    |                     -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/lib.rs:65:42
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn execute(&mut self, job: proc(): Send) {
[INFO] [stdout]    |                                          ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `)`, `+`, `,`, `->`, or `::`, found `:`
[INFO] [stdout]   --> src/lib.rs:65:42
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn execute(&mut self, job: proc(): Send) {
[INFO] [stdout]    |                                          ^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          expected one of `!`, `)`, `+`, `,`, `->`, or `::`
[INFO] [stdout]    |                                          help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/lib.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |     spawn(proc() {
[INFO] [stdout]    |                 -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `taskpool`
[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 --crate-type lib --crate-name taskpool src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f4ba9707efe87f7b -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "85741b3f6972c363211fc33c2120b1afdc35be7e77383578ba041d8d5c0a0986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85741b3f6972c363211fc33c2120b1afdc35be7e77383578ba041d8d5c0a0986", kill_on_drop: false }`
[INFO] [stdout] 85741b3f6972c363211fc33c2120b1afdc35be7e77383578ba041d8d5c0a0986
