[INFO] fetching crate soundchange 0.0.8...
[INFO] documenting soundchange-0.0.8 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate soundchange 0.0.8 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate soundchange 0.0.8 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 soundchange 0.0.8
[INFO] finished tweaking crates.io crate soundchange 0.0.8
[INFO] tweaked toml for crates.io crate soundchange 0.0.8 written to /workspace/builds/worker-1-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 log v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7d09fcd05183185d5278ab8afb488a716ff068b4bc7bf82d96c8ea7e144a415f
[INFO] running `Command { std: "docker" "start" "-a" "7d09fcd05183185d5278ab8afb488a716ff068b4bc7bf82d96c8ea7e144a415f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d09fcd05183185d5278ab8afb488a716ff068b4bc7bf82d96c8ea7e144a415f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d09fcd05183185d5278ab8afb488a716ff068b4bc7bf82d96c8ea7e144a415f", kill_on_drop: false }`
[INFO] [stdout] 7d09fcd05183185d5278ab8afb488a716ff068b4bc7bf82d96c8ea7e144a415f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 717411e4b8793ba0ff832d5516416cbc0d93ba8797612260cabce471471e9443
[INFO] running `Command { std: "docker" "start" "-a" "717411e4b8793ba0ff832d5516416cbc0d93ba8797612260cabce471471e9443", kill_on_drop: false }`
[INFO] [stderr]  Documenting soundchange v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]   --> src/lib.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 | use std::borrow::{Cow, IntoCow};
[INFO] [stdout]    |                        ^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::str::CharRange`
[INFO] [stdout]   --> src/lib.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | use std::str::CharRange;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no `CharRange` in `str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:62:1
[INFO] [stdout]    |
[INFO] [stdout] 62 | #![feature(unboxed_closures, core, collections)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CharOf<'a>: std::clone::Clone` is not satisfied
[INFO] [stdout]   --> src/lib.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[derive(Copy)] pub struct CharOf<'a>(pub &'a (Fn(Option<char>) -> bool + 'a));
[INFO] [stdout]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `CharOf<'a>`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `std::marker::Copy`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/marker.rs:472:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `CharOf<'a>` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[derive(Copy)] #[derive(Clone)]
[INFO] [stdout]    |                 ++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StrOf<'a>: std::clone::Clone` is not satisfied
[INFO] [stdout]   --> src/lib.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[derive(Copy)] pub struct StrOf<'a>(pub &'a (Fn(&str) -> Option<&str> + 'a));
[INFO] [stdout]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `StrOf<'a>`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `std::marker::Copy`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/marker.rs:472:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `StrOf<'a>` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[derive(Copy)] #[derive(Clone)]
[INFO] [stdout]    |                 ++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `CharTo<'a>: std::clone::Clone` is not satisfied
[INFO] [stdout]   --> src/lib.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[derive(Copy)] pub struct CharTo<'a>(pub &'a (Fn(char) -> char + 'a));
[INFO] [stdout]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `CharTo<'a>`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `std::marker::Copy`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/marker.rs:472:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `CharTo<'a>` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 69 | #[derive(Copy)] #[derive(Clone)]
[INFO] [stdout]    |                 ++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `StrTo<'a>: std::clone::Clone` is not satisfied
[INFO] [stdout]   --> src/lib.rs:70:10
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Copy)] pub struct StrTo<'a>(pub &'a (Fn(&str, &mut String) + 'a));
[INFO] [stdout]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `StrTo<'a>`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `std::marker::Copy`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/marker.rs:472:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `StrTo<'a>` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 70 | #[derive(Copy)] #[derive(Clone)]
[INFO] [stdout]    |                 ++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Cond<'a>: std::clone::Clone` is not satisfied
[INFO] [stdout]   --> src/lib.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 | #[derive(Copy)]
[INFO] [stdout]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `Cond<'a>`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `std::marker::Copy`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/marker.rs:472:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Transform<'a>: std::clone::Clone` is not satisfied
[INFO] [stdout]    --> src/lib.rs:261:10
[INFO] [stdout]     |
[INFO] [stdout] 261 | #[derive(Copy)]
[INFO] [stdout]     |          ^^^^ the trait `std::clone::Clone` is not implemented for `Transform<'a>`
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `std::marker::Copy`
[INFO] [stdout]    --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/marker.rs:472:1
[INFO] [stdout]     = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `soundchange`
[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 soundchange src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b2210eaff210060b -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.8` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "717411e4b8793ba0ff832d5516416cbc0d93ba8797612260cabce471471e9443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717411e4b8793ba0ff832d5516416cbc0d93ba8797612260cabce471471e9443", kill_on_drop: false }`
[INFO] [stdout] 717411e4b8793ba0ff832d5516416cbc0d93ba8797612260cabce471471e9443
