[INFO] cloning repository https://github.com/kyp44/extension-trait-gat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyp44/extension-trait-gat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyp44%2Fextension-trait-gat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyp44%2Fextension-trait-gat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 050ba8051890c5140858de982e064d7bf6d71e7c
[INFO] testing kyp44/extension-trait-gat against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyp44%2Fextension-trait-gat" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kyp44/extension-trait-gat
[INFO] finished tweaking git repo https://github.com/kyp44/extension-trait-gat
[INFO] tweaked toml for git repo https://github.com/kyp44/extension-trait-gat written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kyp44/extension-trait-gat on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kyp44/extension-trait-gat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gat-lending-iterator v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697
[INFO] running `Command { std: "docker" "start" "2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling gat-lending-iterator v0.1.5
[INFO] [stderr]    Compiling extension-trait-gat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `FnMut(&<I as LendingIterator>::Item<'a>)` closure, found `P`
[INFO] [stdout]    --> src/main.rs:26:21
[INFO] [stdout]     |
[INFO] [stdout]  26 |         self.filter(f).count();
[INFO] [stdout]     |              ------ ^ the trait `for<'b, 'a> FnMut(&'b <I as LendingIterator>::Item<'a>)` is not implemented for `P`
[INFO] [stdout]     |              |
[INFO] [stdout]     |              required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the trait bound `for<'b, 'a> P: FnMut(&'b <I as LendingIterator>::Item<'a>)` is not satisfied
[INFO] [stdout] note: required by a bound in `gat_lending_iterator::LendingIterator::filter`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.5/src/traits/lending_iterator.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn filter<P>(self, predicate: P) -> Filter<Self, P>
[INFO] [stdout]     |        ------ required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 160 |         P: for<'a> FnMut(&Self::Item<'a>) -> bool,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `LendingIterator::filter`
[INFO] [stdout] help: consider mutably borrowing here
[INFO] [stdout]     |
[INFO] [stdout]  26 |         self.filter(&mut f).count();
[INFO] [stdout]     |                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `count` exists for struct `gat_lending_iterator::Filter<I, P>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/main.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.filter(f).count();
[INFO] [stdout]    |                        ^^^^^ method cannot be called on `gat_lending_iterator::Filter<I, P>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.5/src/adapters/filter.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Filter<I, P> {
[INFO] [stdout]    | ----------------------- doesn't satisfy `_: LendingIterator` or `gat_lending_iterator::Filter<I, P>: Iterator`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `<P as FnOnce<(&<I as LendingIterator>::Item<'a>,)>>::Output = bool`
[INFO] [stdout]            which is required by `gat_lending_iterator::Filter<I, P>: LendingIterator`
[INFO] [stdout]            `P: FnMut<(&<I as LendingIterator>::Item<'a>,)>`
[INFO] [stdout]            which is required by `gat_lending_iterator::Filter<I, P>: LendingIterator`
[INFO] [stdout]            `gat_lending_iterator::Filter<I, P>: Iterator`
[INFO] [stdout]            which is required by `&mut gat_lending_iterator::Filter<I, P>: Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:22:39
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn filter_count<P>(self, f: P) -> usize
[INFO] [stdout]    |        ------------                   ^^^^^ expected `usize`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `extension-trait-gat` (bin "extension-trait-gat") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697", kill_on_drop: false }`
[INFO] [stdout] 2a50ec22834713cd34c46c305bea664fc5d1263ced682cb60e7abba0918f4697
