[INFO] fetching crate fun 0.0.1...
[INFO] documenting fun-0.0.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate fun 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fun 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fun 0.0.1
[INFO] finished tweaking crates.io crate fun 0.0.1
[INFO] tweaked toml for crates.io crate fun 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecc6e0fc86e24701364423c8450df6f505d4ddb027b3346ff93ebe4fef248fc0
[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" "ecc6e0fc86e24701364423c8450df6f505d4ddb027b3346ff93ebe4fef248fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc6e0fc86e24701364423c8450df6f505d4ddb027b3346ff93ebe4fef248fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc6e0fc86e24701364423c8450df6f505d4ddb027b3346ff93ebe4fef248fc0", kill_on_drop: false }`
[INFO] [stdout] ecc6e0fc86e24701364423c8450df6f505d4ddb027b3346ff93ebe4fef248fc0
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 118aa2ed2fa2b77d5559c353c9c1a7d22d9d240f402fa16856633e4ad9ff363d
[INFO] running `Command { std: "docker" "start" "-a" "118aa2ed2fa2b77d5559c353c9c1a7d22d9d240f402fa16856633e4ad9ff363d", kill_on_drop: false }`
[INFO] [stderr]  Documenting fun v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/data/either.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     elim(|&: a| { Ok(a) },
[INFO] [stdout]    |            ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/data/maybe.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |          |&: a| { Option::Some(a) },
[INFO] [stdout]    |            ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Rand` in this scope
[INFO] [stdout]  --> src/data/either.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Rand)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/data/either.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Show)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Rand` in this scope
[INFO] [stdout]  --> src/data/maybe.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Rand)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]   --> src/data/maybe.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Show)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/data/void.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Show)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `A` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/either.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<A, B> Either<A, B> {
[INFO] [stdout]    |      - first use of `A`
[INFO] [stdout] 28 |     #[inline]
[INFO] [stdout] 29 |     pub fn elim<A, B, R, FL, FR>(inl: FL, inr: FR, m: Either<A, B>) -> R where
[INFO] [stdout]    |                 ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `B` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/either.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<A, B> Either<A, B> {
[INFO] [stdout]    |         - first use of `B`
[INFO] [stdout] 28 |     #[inline]
[INFO] [stdout] 29 |     pub fn elim<A, B, R, FL, FR>(inl: FL, inr: FR, m: Either<A, B>) -> R where
[INFO] [stdout]    |                    ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0403]: the name `A` is already used for a generic parameter in this item's generic parameters
[INFO] [stdout]   --> src/data/maybe.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<A> Maybe<A> {
[INFO] [stdout]    |      - first use of `A`
[INFO] [stdout] 25 |     #[inline]
[INFO] [stdout] 26 |     pub fn elim<A, R, F: Fn(A) -> R>(none: R, some: F, m: Maybe<A>) -> R {
[INFO] [stdout]    |                 ^ already used
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0403, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0403`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `fun`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name fun 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 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "118aa2ed2fa2b77d5559c353c9c1a7d22d9d240f402fa16856633e4ad9ff363d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118aa2ed2fa2b77d5559c353c9c1a7d22d9d240f402fa16856633e4ad9ff363d", kill_on_drop: false }`
[INFO] [stdout] 118aa2ed2fa2b77d5559c353c9c1a7d22d9d240f402fa16856633e4ad9ff363d
