[INFO] fetching crate taskpool 0.1.0...
[INFO] documenting taskpool-0.1.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate taskpool 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate taskpool 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc67c5786af3d03d0cdb23699626ac53eaacb2b979390606425fc5f0c5e68701
[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" "dc67c5786af3d03d0cdb23699626ac53eaacb2b979390606425fc5f0c5e68701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc67c5786af3d03d0cdb23699626ac53eaacb2b979390606425fc5f0c5e68701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc67c5786af3d03d0cdb23699626ac53eaacb2b979390606425fc5f0c5e68701", kill_on_drop: false }`
[INFO] [stdout] dc67c5786af3d03d0cdb23699626ac53eaacb2b979390606425fc5f0c5e68701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd082b75286305a782f68017b6d6a376c0ac10eff77fc32e41272875beed0c17
[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" "cd082b75286305a782f68017b6d6a376c0ac10eff77fc32e41272875beed0c17", kill_on_drop: false }`
[INFO] [stderr]  Documenting taskpool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `!`, `+`, `,`, `->`, `::`, or `>`, found `:`
[INFO] [stdout]   --> src/lib.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     jobs: Sender<proc(): Send>,
[INFO] [stdout]    |                        ^ expected one of `!`, `+`, `,`, `->`, `::`, or `>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `+`, `,`, `->`, `::`, or `>`, found `:`
[INFO] [stdout]   --> src/lib.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let (job_tx, job_rx) = channel::<proc(): Send>();
[INFO] [stdout]    |                                                ^ expected one of `!`, `+`, `,`, `->`, `::`, or `>`
[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 `>`, found `:`
[INFO] [stdout]   --> src/lib.rs:77:49
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn spawn_in_pool(jobs: Arc<Mutex<Receiver<proc(): Send>>>,
[INFO] [stdout]    |                                                 ^ expected one of `!`, `+`, `,`, `->`, `::`, or `>`
[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[E0658]: non-builtin inner attributes are unstable
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![license = "MIT"]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |       monitor: Sender<MonitorMessage>
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 16 |     monitor: Send<MonitorMessage>
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 8  | use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/lib.rs:36:23
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(tasks: uint) -> TaskPool {
[INFO] [stdout]    |                       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `proc` in this scope
[INFO] [stdout]   --> src/lib.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn execute(&mut self, job: proc(): Send) {
[INFO] [stdout]    |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Sender` in this scope
[INFO] [stdout]   --> src/lib.rs:78:27
[INFO] [stdout]    |
[INFO] [stdout] 78 |                    monitor: Sender<MonitorMessage>) {
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 78 |                  monitor: Send<MonitorMessage>) {
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 8  | use std::sync::mpsc::Sender;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `taskpool`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name taskpool 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 --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "cd082b75286305a782f68017b6d6a376c0ac10eff77fc32e41272875beed0c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd082b75286305a782f68017b6d6a376c0ac10eff77fc32e41272875beed0c17", kill_on_drop: false }`
[INFO] [stdout] cd082b75286305a782f68017b6d6a376c0ac10eff77fc32e41272875beed0c17
