[INFO] cloning repository https://github.com/CraigBuilds/complewise_iter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CraigBuilds/complewise_iter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraigBuilds%2Fcomplewise_iter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraigBuilds%2Fcomplewise_iter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c5dd5bef89ae6472ab9627ebf6ce8724b740e1c
[INFO] checking CraigBuilds/complewise_iter against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraigBuilds%2Fcomplewise_iter" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CraigBuilds/complewise_iter on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CraigBuilds/complewise_iter
[INFO] finished tweaking git repo https://github.com/CraigBuilds/complewise_iter
[INFO] tweaked toml for git repo https://github.com/CraigBuilds/complewise_iter written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CraigBuilds/complewise_iter 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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b185f99fa3e9045ed1a0e35bd81b1d80276bc1b04474141ed6dea825f58d3005
[INFO] running `Command { std: "docker" "start" "-a" "b185f99fa3e9045ed1a0e35bd81b1d80276bc1b04474141ed6dea825f58d3005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b185f99fa3e9045ed1a0e35bd81b1d80276bc1b04474141ed6dea825f58d3005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b185f99fa3e9045ed1a0e35bd81b1d80276bc1b04474141ed6dea825f58d3005", kill_on_drop: false }`
[INFO] [stdout] b185f99fa3e9045ed1a0e35bd81b1d80276bc1b04474141ed6dea825f58d3005
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afca3c04d0473de13629b23bbfecdfb323045ffdeaa92e5b2742a0c93c44e8d1
[INFO] running `Command { std: "docker" "start" "-a" "afca3c04d0473de13629b23bbfecdfb323045ffdeaa92e5b2742a0c93c44e8d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking gat-lending-iterator v0.1.2
[INFO] [stdout] error[E0271]: expected `F` to be a type parameter that returns `<F as SingleArgFnOnce<<I as LendingIterator>::Item<'a>>>::Output`, but it returns `<F as FnOnce<(<I as LendingIterator>::Item<'a>,)>>::Output`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/adapters/filter_map.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Item<'a> = <<F as SingleArgFnOnce<I::Item<'a>>>::Output as OptionTrait>::Item
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `functions::SingleArgFnOnce::Output`, found `std::ops::FnOnce::Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected associated type `<F as functions::SingleArgFnOnce<<I as lending_iterator::LendingIterator>::Item<'a>>>::Output`
[INFO] [stdout]               found associated type `<F as FnOnce<(<I as lending_iterator::LendingIterator>::Item<'a>,)>>::Output`
[INFO] [stdout]    = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `functions::SingleArgFnOnce`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/traits/functions.rs:4:48
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub trait SingleArgFnOnce<Arg>: FnOnce(Arg) -> <Self as SingleArgFnOnce<Arg>>::Output {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `SingleArgFnOnce`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `F` to be a type parameter that returns `<F as SingleArgFnOnce<<I as LendingIterator>::Item<'_>>>::Output`, but it returns `<F as FnOnce<(<I as LendingIterator>::Item<'_>,)>>::Output`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/adapters/filter_map.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn next(&mut self) -> Option<Self::Item<'_>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ expected `functions::SingleArgFnOnce::Output`, found `std::ops::FnOnce::Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected associated type `<F as functions::SingleArgFnOnce<<I as lending_iterator::LendingIterator>::Item<'_>>>::Output`
[INFO] [stdout]               found associated type `<F as FnOnce<(<I as lending_iterator::LendingIterator>::Item<'_>,)>>::Output`
[INFO] [stdout]    = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `functions::SingleArgFnOnce`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/traits/functions.rs:4:48
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub trait SingleArgFnOnce<Arg>: FnOnce(Arg) -> <Self as SingleArgFnOnce<Arg>>::Output {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `SingleArgFnOnce`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `F` to be a type parameter that returns `<F as SingleArgFnOnce<<I as LendingIterator>::Item<'a>>>::Output`, but it returns `<F as FnOnce<(<I as LendingIterator>::Item<'a>,)>>::Output`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/adapters/map.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |     type Item<'a> = <F as SingleArgFnOnce<I::Item<'a>>>::Output
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `functions::SingleArgFnOnce::Output`, found `std::ops::FnOnce::Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected associated type `<F as functions::SingleArgFnOnce<<I as lending_iterator::LendingIterator>::Item<'a>>>::Output`
[INFO] [stdout]               found associated type `<F as FnOnce<(<I as lending_iterator::LendingIterator>::Item<'a>,)>>::Output`
[INFO] [stdout]    = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `functions::SingleArgFnOnce`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/traits/functions.rs:4:48
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub trait SingleArgFnOnce<Arg>: FnOnce(Arg) -> <Self as SingleArgFnOnce<Arg>>::Output {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `SingleArgFnOnce`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `F` to be a type parameter that returns `<F as SingleArgFnOnce<<I as LendingIterator>::Item<'_>>>::Output`, but it returns `<F as FnOnce<(<I as LendingIterator>::Item<'_>,)>>::Output`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/adapters/map.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn next(&mut self) -> Option<Self::Item<'_>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^ expected `functions::SingleArgFnOnce::Output`, found `std::ops::FnOnce::Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected associated type `<F as functions::SingleArgFnOnce<<I as lending_iterator::LendingIterator>::Item<'_>>>::Output`
[INFO] [stdout]               found associated type `<F as FnOnce<(<I as lending_iterator::LendingIterator>::Item<'_>,)>>::Output`
[INFO] [stdout]    = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `functions::SingleArgFnOnce`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/traits/functions.rs:4:48
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub trait SingleArgFnOnce<Arg>: FnOnce(Arg) -> <Self as SingleArgFnOnce<Arg>>::Output {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `SingleArgFnOnce`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stdout] error[E0599]: no method named `into_option` found for associated type `<F as FnOnce<(<I as lending_iterator::LendingIterator>::Item<'_>,)>>::Output` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/adapters/filter_map.rs:36:46
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 let output = (self_.f)(item).into_option();
[INFO] [stdout]    |                                              ^^^^^^^^^^^ method not found in `<F as FnOnce<(<I as LendingIterator>::Item<'_>,)>>::Output`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `functions::OptionTrait` defines an item `into_option`, perhaps you need to implement it
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/traits/functions.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub trait OptionTrait {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gat-lending-iterator-0.1.2/src/adapters/map.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn next(&mut self) -> Option<Self::Item<'_>> {
[INFO] [stdout]    |                           ---------------------- expected `Option<<F as functions::SingleArgFnOnce<<I as lending_iterator::LendingIterator>::Item<'_>>>::Output>` because of return type
[INFO] [stdout] 31 |         self.iter.next().map(&mut self.f)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `functions::SingleArgFnOnce::Output`, found `std::ops::FnOnce::Output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<<F as functions::SingleArgFnOnce<<I as lending_iterator::LendingIterator>::Item<'_>>>::Output>`
[INFO] [stdout]               found enum `Option<<F as FnOnce<(<I as lending_iterator::LendingIterator>::Item<'_>,)>>::Output>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gat-lending-iterator` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "afca3c04d0473de13629b23bbfecdfb323045ffdeaa92e5b2742a0c93c44e8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afca3c04d0473de13629b23bbfecdfb323045ffdeaa92e5b2742a0c93c44e8d1", kill_on_drop: false }`
[INFO] [stdout] afca3c04d0473de13629b23bbfecdfb323045ffdeaa92e5b2742a0c93c44e8d1