[INFO] fetching crate quither 0.7.1...
[INFO] checking quither-0.7.1 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate quither 0.7.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate quither 0.7.1
[INFO] finished tweaking crates.io crate quither 0.7.1
[INFO] tweaked toml for crates.io crate quither 0.7.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quither 0.7.1 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate quither 0.7.1 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881
[INFO] running `Command { std: "docker" "start" "3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881", 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" "3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking replace_with v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling quither-proc-macros v0.2.0
[INFO] [stderr]     Checking quither v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `Either<<&L as IntoIterator>::IntoIter, <&R as IntoIterator>::IntoIter>`
[INFO] [stdout]   --> src/iter.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         self.as_ref()
[INFO] [stdout] 42 | |             .map2(
[INFO] [stdout] 43 | |                 <&L as IntoIterator>::into_iter,
[INFO] [stdout] 44 | |                 <&R as IntoIterator>::into_iter,
[INFO] [stdout] 45 | |             )
[INFO] [stdout] 46 | |             .into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 45 -             )
[INFO] [stdout] 46 -             .into()
[INFO] [stdout] 45 +             )
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 41 ~         <Either<<&L as IntoIterator>::IntoIter, <&R as IntoIterator>::IntoIter> as Into<_>>::into(self.as_ref()
[INFO] [stdout] 42 |             .map2(
[INFO] [stdout] 43 |                 <&L as IntoIterator>::into_iter,
[INFO] [stdout] 44 |                 <&R as IntoIterator>::into_iter,
[INFO] [stdout] 45 ~             ))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Either<<&mut L as IntoIterator>::IntoIter, <&mut R as IntoIterator>::IntoIter>`
[INFO] [stdout]   --> src/iter.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         self.as_mut()
[INFO] [stdout] 59 | |             .map2(
[INFO] [stdout] 60 | |                 <&mut L as IntoIterator>::into_iter,
[INFO] [stdout] 61 | |                 <&mut R as IntoIterator>::into_iter,
[INFO] [stdout] 62 | |             )
[INFO] [stdout] 63 | |             .into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 62 -             )
[INFO] [stdout] 63 -             .into()
[INFO] [stdout] 62 +             )
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 58 ~         <Either<<&mut L as IntoIterator>::IntoIter, <&mut R as IntoIterator>::IntoIter> as Into<_>>::into(self.as_mut()
[INFO] [stdout] 59 |             .map2(
[INFO] [stdout] 60 |                 <&mut L as IntoIterator>::into_iter,
[INFO] [stdout] 61 |                 <&mut R as IntoIterator>::into_iter,
[INFO] [stdout] 62 ~             ))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Quither<L, R>`
[INFO] [stdout]    --> src/iter.rs:611:24
[INFO] [stdout]     |
[INFO] [stdout] 611 |         IterIntoEither(q.into())
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 611 -         IterIntoEither(q.into())
[INFO] [stdout] 611 +         IterIntoEither(q)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 611 -         IterIntoEither(q.into())
[INFO] [stdout] 611 +         IterIntoEither(<Quither<L, R> as Into<_>>::into(q))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Quither<L, R>`
[INFO] [stdout]    --> src/iter.rs:711:30
[INFO] [stdout]     |
[INFO] [stdout] 711 |         IterIntoEitherOrBoth(q.into())
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 711 -         IterIntoEitherOrBoth(q.into())
[INFO] [stdout] 711 +         IterIntoEitherOrBoth(q)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 711 -         IterIntoEitherOrBoth(q.into())
[INFO] [stdout] 711 +         IterIntoEitherOrBoth(<Quither<L, R> as Into<_>>::into(q))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quither` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `Either<<&L as IntoIterator>::IntoIter, <&R as IntoIterator>::IntoIter>`
[INFO] [stdout]   --> src/iter.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         self.as_ref()
[INFO] [stdout] 42 | |             .map2(
[INFO] [stdout] 43 | |                 <&L as IntoIterator>::into_iter,
[INFO] [stdout] 44 | |                 <&R as IntoIterator>::into_iter,
[INFO] [stdout] 45 | |             )
[INFO] [stdout] 46 | |             .into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 45 -             )
[INFO] [stdout] 46 -             .into()
[INFO] [stdout] 45 +             )
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 41 ~         <Either<<&L as IntoIterator>::IntoIter, <&R as IntoIterator>::IntoIter> as Into<_>>::into(self.as_ref()
[INFO] [stdout] 42 |             .map2(
[INFO] [stdout] 43 |                 <&L as IntoIterator>::into_iter,
[INFO] [stdout] 44 |                 <&R as IntoIterator>::into_iter,
[INFO] [stdout] 45 ~             ))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Either<<&mut L as IntoIterator>::IntoIter, <&mut R as IntoIterator>::IntoIter>`
[INFO] [stdout]   --> src/iter.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         self.as_mut()
[INFO] [stdout] 59 | |             .map2(
[INFO] [stdout] 60 | |                 <&mut L as IntoIterator>::into_iter,
[INFO] [stdout] 61 | |                 <&mut R as IntoIterator>::into_iter,
[INFO] [stdout] 62 | |             )
[INFO] [stdout] 63 | |             .into()
[INFO] [stdout]    | |___________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 62 -             )
[INFO] [stdout] 63 -             .into()
[INFO] [stdout] 62 +             )
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 58 ~         <Either<<&mut L as IntoIterator>::IntoIter, <&mut R as IntoIterator>::IntoIter> as Into<_>>::into(self.as_mut()
[INFO] [stdout] 59 |             .map2(
[INFO] [stdout] 60 |                 <&mut L as IntoIterator>::into_iter,
[INFO] [stdout] 61 |                 <&mut R as IntoIterator>::into_iter,
[INFO] [stdout] 62 ~             ))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Quither<L, R>`
[INFO] [stdout]    --> src/iter.rs:611:24
[INFO] [stdout]     |
[INFO] [stdout] 611 |         IterIntoEither(q.into())
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 611 -         IterIntoEither(q.into())
[INFO] [stdout] 611 +         IterIntoEither(q)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 611 -         IterIntoEither(q.into())
[INFO] [stdout] 611 +         IterIntoEither(<Quither<L, R> as Into<_>>::into(q))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Quither<L, R>`
[INFO] [stdout]    --> src/iter.rs:711:30
[INFO] [stdout]     |
[INFO] [stdout] 711 |         IterIntoEitherOrBoth(q.into())
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 711 -         IterIntoEitherOrBoth(q.into())
[INFO] [stdout] 711 +         IterIntoEitherOrBoth(q)
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 711 -         IterIntoEitherOrBoth(q.into())
[INFO] [stdout] 711 +         IterIntoEitherOrBoth(<Quither<L, R> as Into<_>>::into(q))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quither` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881", kill_on_drop: false }`
[INFO] [stdout] 3120f7cdba3f67022cbefc9b1ce3a1d9438e8cd1a07443ec2ef37b3f7ac04881
