[INFO] fetching crate proto-tower-util 0.1.6...
[INFO] checking proto-tower-util-0.1.6 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate proto-tower-util 0.1.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate proto-tower-util 0.1.6
[INFO] finished tweaking crates.io crate proto-tower-util 0.1.6
[INFO] tweaked toml for crates.io crate proto-tower-util 0.1.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proto-tower-util 0.1.6 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proto-tower-util 0.1.6 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b
[INFO] running `Command { std: "docker" "start" "efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b", 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" "efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b", 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" "efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.86
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking proto-tower-util v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `<InnerService as Service<(ReadHalf<SimplexStream>, WriteHalf<SimplexStream>)>>::Error`
[INFO] [stdout]   --> src/debug_io_layer.rs:36:69
[INFO] [stdout]    |
[INFO] [stdout] 36 |         self.inner.poll_ready(cx).map(|result| result.map_err(|err| err.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] 36 -         self.inner.poll_ready(cx).map(|result| result.map_err(|err| err.into()))
[INFO] [stdout] 36 +         self.inner.poll_ready(cx).map(|result| result.map_err(|err| err))
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 36 -         self.inner.poll_ready(cx).map(|result| result.map_err(|err| err.into()))
[INFO] [stdout] 36 +         self.inner.poll_ready(cx).map(|result| result.map_err(|err| <<InnerService as Service<(ReadHalf<SimplexStream>, WriteHalf<SimplexStream>)>>::Error as Into<_>>::into(err)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proto-tower-util` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `<InnerService as Service<(ReadHalf<SimplexStream>, WriteHalf<SimplexStream>)>>::Error`
[INFO] [stdout]   --> src/debug_io_layer.rs:36:69
[INFO] [stdout]    |
[INFO] [stdout] 36 |         self.inner.poll_ready(cx).map(|result| result.map_err(|err| err.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] 36 -         self.inner.poll_ready(cx).map(|result| result.map_err(|err| err.into()))
[INFO] [stdout] 36 +         self.inner.poll_ready(cx).map(|result| result.map_err(|err| err))
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 36 -         self.inner.poll_ready(cx).map(|result| result.map_err(|err| err.into()))
[INFO] [stdout] 36 +         self.inner.poll_ready(cx).map(|result| result.map_err(|err| <<InnerService as Service<(ReadHalf<SimplexStream>, WriteHalf<SimplexStream>)>>::Error as Into<_>>::into(err)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proto-tower-util` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b", kill_on_drop: false }`
[INFO] [stdout] efb8f19fdb25fe82b05c18fece1c038097f5a1f84dca705610def4ad7df93a5b
