[INFO] fetching crate audio_buffer_interface 0.1.0...
[INFO] checking audio_buffer_interface-0.1.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate audio_buffer_interface 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate audio_buffer_interface 0.1.0
[INFO] finished tweaking crates.io crate audio_buffer_interface 0.1.0
[INFO] tweaked toml for crates.io crate audio_buffer_interface 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate audio_buffer_interface 0.1.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb485aa6c1100155286d8900956aa8525070ed3eda838ea0ccc1ae0749ce0076
[INFO] running `Command { std: "docker" "start" "-a" "eb485aa6c1100155286d8900956aa8525070ed3eda838ea0ccc1ae0749ce0076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb485aa6c1100155286d8900956aa8525070ed3eda838ea0ccc1ae0749ce0076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb485aa6c1100155286d8900956aa8525070ed3eda838ea0ccc1ae0749ce0076", kill_on_drop: false }`
[INFO] [stdout] eb485aa6c1100155286d8900956aa8525070ed3eda838ea0ccc1ae0749ce0076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e325a5e4cdd3c2a75122cfb7313be7bc07abe4ac1f427e907843174d66b3efa9
[INFO] running `Command { std: "docker" "start" "-a" "e325a5e4cdd3c2a75122cfb7313be7bc07abe4ac1f427e907843174d66b3efa9", kill_on_drop: false }`
[INFO] [stderr]     Checking audio_buffer_interface v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0446]: private trait `Captures<&'a <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn chans<'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = &'a Self::Item>>
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:40:52
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn chans<'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = &'a Self::Item>>
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a mut <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:55:39
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a mut <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn chans_mut<'a>(&'a mut self) -> impl Iterator<Item = impl Iterator<Item = &'a mut Self::Item>>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a mut <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:55:60
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a mut <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn chans_mut<'a>(&'a mut self) -> impl Iterator<Item = impl Iterator<Item = &'a mut Self::Item>>
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn frames<'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = &'a Self::Item>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:82:53
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn frames<'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = &'a Self::Item>>
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a mut <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:99:40
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a mut <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn frames_mut<'a>(&'a mut self) -> impl Iterator<Item = impl Iterator<Item = &'a mut Self::Item>>
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a mut <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:99:61
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a mut <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn frames_mut<'a>(&'a mut self) -> impl Iterator<Item = impl Iterator<Item = &'a mut Self::Item>>
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:40:31
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn chans<'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = &'a Self::Item>>
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:40:52
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn chans<'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = &'a Self::Item>>
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a mut <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:55:39
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a mut <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn chans_mut<'a>(&'a mut self) -> impl Iterator<Item = impl Iterator<Item = &'a mut Self::Item>>
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a mut <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:55:60
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a mut <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn chans_mut<'a>(&'a mut self) -> impl Iterator<Item = impl Iterator<Item = &'a mut Self::Item>>
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_buffer_interface` (lib test) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0446]: private trait `Captures<&'a <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn frames<'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = &'a Self::Item>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:82:53
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn frames<'a>(&'a self) -> impl Iterator<Item = impl Iterator<Item = &'a Self::Item>>
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a mut <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:99:40
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a mut <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn frames_mut<'a>(&'a mut self) -> impl Iterator<Item = impl Iterator<Item = &'a mut Self::Item>>
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private trait `Captures<&'a mut <Self as AudioBufferIterator>::Item>` in public interface
[INFO] [stdout]   --> src/lib.rs:99:61
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait Captures<U> {}
[INFO] [stdout]    | ----------------- `Captures<&'a mut <Self as AudioBufferIterator>::Item>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn frames_mut<'a>(&'a mut self) -> impl Iterator<Item = impl Iterator<Item = &'a mut Self::Item>>
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audio_buffer_interface` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "e325a5e4cdd3c2a75122cfb7313be7bc07abe4ac1f427e907843174d66b3efa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e325a5e4cdd3c2a75122cfb7313be7bc07abe4ac1f427e907843174d66b3efa9", kill_on_drop: false }`
[INFO] [stdout] e325a5e4cdd3c2a75122cfb7313be7bc07abe4ac1f427e907843174d66b3efa9
