[INFO] fetching crate curry 0.1.0...
[INFO] documenting curry-0.1.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate curry 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate curry 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 curry 0.1.0
[INFO] finished tweaking crates.io crate curry 0.1.0
[INFO] tweaked toml for crates.io crate curry 0.1.0 written to /workspace/builds/worker-4-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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b833f1aee82a415faba939a6f8e439ca7e689c2ce3f36dfbfc2b07510b07e477
[INFO] running `Command { std: "docker" "start" "-a" "b833f1aee82a415faba939a6f8e439ca7e689c2ce3f36dfbfc2b07510b07e477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b833f1aee82a415faba939a6f8e439ca7e689c2ce3f36dfbfc2b07510b07e477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b833f1aee82a415faba939a6f8e439ca7e689c2ce3f36dfbfc2b07510b07e477", kill_on_drop: false }`
[INFO] [stdout] b833f1aee82a415faba939a6f8e439ca7e689c2ce3f36dfbfc2b07510b07e477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dd18ca36ca9ea9f3273505c09a4af4136b22a247aa2ed5f1968e6fedcca41faf
[INFO] running `Command { std: "docker" "start" "-a" "dd18ca36ca9ea9f3273505c09a4af4136b22a247aa2ed5f1968e6fedcca41faf", kill_on_drop: false }`
[INFO] [stderr]  Documenting curry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `core::ops::FnOnce` trait must be a tuple
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl<A, F: FnOnce<A>> FnOnce<(A,)> for Curry<F> {
[INFO] [stdout]   |            ^^^^^^^^^ the trait `core::marker::Tuple` is not implemented for `A`
[INFO] [stdout]   |
[INFO] [stdout] note: required by a bound in `core::ops::FnOnce`
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider restricting type parameter `A`
[INFO] [stdout]   |
[INFO] [stdout] 9 | impl<A: core::marker::Tuple, F: FnOnce<A>> FnOnce<(A,)> for Curry<F> {
[INFO] [stdout]   |       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `core::ops::FnMut` trait must be a tuple
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<A, F: FnMut<A>> FnMut<(A,)> for Curry<F> {
[INFO] [stdout]    |            ^^^^^^^^ the trait `core::marker::Tuple` is not implemented for `A`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `core::ops::FnMut`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:163:1
[INFO] [stdout] help: consider restricting type parameter `A`
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<A: core::marker::Tuple, F: FnMut<A>> FnMut<(A,)> for Curry<F> {
[INFO] [stdout]    |       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `core::ops::Fn` trait must be a tuple
[INFO] [stdout]   --> src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<A, F: Fn<A>> Fn<(A,)> for Curry<F> {
[INFO] [stdout]    |            ^^^^^ the trait `core::marker::Tuple` is not implemented for `A`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `core::ops::Fn`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:76:1
[INFO] [stdout] help: consider restricting type parameter `A`
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<A: core::marker::Tuple, F: Fn<A>> Fn<(A,)> for Curry<F> {
[INFO] [stdout]    |       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0059]: type parameter to bare `core::ops::FnOnce` trait must be a tuple
[INFO] [stdout]   --> src/lib.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     type Output = F::Output;
[INFO] [stdout]    |                   ^^^^^^^^^ the trait `core::marker::Tuple` is not implemented for `A`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `core::ops::FnOnce`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:242:1
[INFO] [stdout] help: consider restricting type parameter `A`
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl<A: core::marker::Tuple, F: FnOnce<A>> FnOnce<(A,)> for Curry<F> {
[INFO] [stdout]    |       +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0059, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0059`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `curry`
[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 curry src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7ca2fdd86d0d47a3 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dd18ca36ca9ea9f3273505c09a4af4136b22a247aa2ed5f1968e6fedcca41faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd18ca36ca9ea9f3273505c09a4af4136b22a247aa2ed5f1968e6fedcca41faf", kill_on_drop: false }`
[INFO] [stdout] dd18ca36ca9ea9f3273505c09a4af4136b22a247aa2ed5f1968e6fedcca41faf
