[INFO] fetching crate traitobject 0.1.1...
[INFO] testing traitobject-0.1.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate traitobject 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate traitobject 0.1.1
[INFO] finished tweaking crates.io crate traitobject 0.1.1
[INFO] tweaked toml for crates.io crate traitobject 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate traitobject 0.1.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate traitobject 0.1.1 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ac68ed9bdecd2ce6b0d2f4cb359da19cce8e0e379fa9d7c214b455008f28133
[INFO] running `Command { std: "docker" "start" "-a" "1ac68ed9bdecd2ce6b0d2f4cb359da19cce8e0e379fa9d7c214b455008f28133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ac68ed9bdecd2ce6b0d2f4cb359da19cce8e0e379fa9d7c214b455008f28133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac68ed9bdecd2ce6b0d2f4cb359da19cce8e0e379fa9d7c214b455008f28133", kill_on_drop: false }`
[INFO] [stdout] 1ac68ed9bdecd2ce6b0d2f4cb359da19cce8e0e379fa9d7c214b455008f28133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd3efaa22847f18ac4f31612a546603683c888fed1f7840c1e1b6a0cefeca999
[INFO] running `Command { std: "docker" "start" "-a" "dd3efaa22847f18ac4f31612a546603683c888fed1f7840c1e1b6a0cefeca999", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitobject v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/impls.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 | unsafe impl<T, I> Trait for dyn (::std::iter::IntoIterator<IntoIter = I, Item = T>) {}
[INFO] [stdout]    |                                 ^                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 - unsafe impl<T, I> Trait for dyn (::std::iter::IntoIterator<IntoIter = I, Item = T>) {}
[INFO] [stdout] 66 + unsafe impl<T, I> Trait for dyn ::std::iter::IntoIterator<IntoIter = I, Item = T>  {}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "dd3efaa22847f18ac4f31612a546603683c888fed1f7840c1e1b6a0cefeca999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3efaa22847f18ac4f31612a546603683c888fed1f7840c1e1b6a0cefeca999", kill_on_drop: false }`
[INFO] [stdout] dd3efaa22847f18ac4f31612a546603683c888fed1f7840c1e1b6a0cefeca999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b563726f4cce43189eba9b219c69719e0a4c287c5db380807a5943e8a69a141
[INFO] running `Command { std: "docker" "start" "-a" "8b563726f4cce43189eba9b219c69719e0a4c287c5db380807a5943e8a69a141", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitobject v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/impls.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 | unsafe impl<T, I> Trait for dyn (::std::iter::IntoIterator<IntoIter = I, Item = T>) {}
[INFO] [stdout]    |                                 ^                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 - unsafe impl<T, I> Trait for dyn (::std::iter::IntoIterator<IntoIter = I, Item = T>) {}
[INFO] [stdout] 66 + unsafe impl<T, I> Trait for dyn ::std::iter::IntoIterator<IntoIter = I, Item = T>  {}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around type
[INFO] [stdout]   --> src/impls.rs:66:33
[INFO] [stdout]    |
[INFO] [stdout] 66 | unsafe impl<T, I> Trait for dyn (::std::iter::IntoIterator<IntoIter = I, Item = T>) {}
[INFO] [stdout]    |                                 ^                                                 ^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout]  1 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 - unsafe impl<T, I> Trait for dyn (::std::iter::IntoIterator<IntoIter = I, Item = T>) {}
[INFO] [stdout] 66 + unsafe impl<T, I> Trait for dyn ::std::iter::IntoIterator<IntoIter = I, Item = T>  {}
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `traitobject` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8b563726f4cce43189eba9b219c69719e0a4c287c5db380807a5943e8a69a141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b563726f4cce43189eba9b219c69719e0a4c287c5db380807a5943e8a69a141", kill_on_drop: false }`
[INFO] [stdout] 8b563726f4cce43189eba9b219c69719e0a4c287c5db380807a5943e8a69a141