[INFO] fetching crate traitobject 0.1.1...
[INFO] testing traitobject-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate traitobject 0.1.1 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate traitobject 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9a704fc1e31ce598a4143fcab8898e41fafa82ff3712b472cff7f69e3710e0d
[INFO] running `Command { std: "docker" "start" "-a" "a9a704fc1e31ce598a4143fcab8898e41fafa82ff3712b472cff7f69e3710e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a704fc1e31ce598a4143fcab8898e41fafa82ff3712b472cff7f69e3710e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a704fc1e31ce598a4143fcab8898e41fafa82ff3712b472cff7f69e3710e0d", kill_on_drop: false }`
[INFO] [stdout] a9a704fc1e31ce598a4143fcab8898e41fafa82ff3712b472cff7f69e3710e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7629f5be0df71b79c6cb8f33ef760078816b9f3baecb33944579799e93f9e42
[INFO] running `Command { std: "docker" "start" "-a" "d7629f5be0df71b79c6cb8f33ef760078816b9f3baecb33944579799e93f9e42", 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 0.10s
[INFO] running `Command { std: "docker" "inspect" "d7629f5be0df71b79c6cb8f33ef760078816b9f3baecb33944579799e93f9e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7629f5be0df71b79c6cb8f33ef760078816b9f3baecb33944579799e93f9e42", kill_on_drop: false }`
[INFO] [stdout] d7629f5be0df71b79c6cb8f33ef760078816b9f3baecb33944579799e93f9e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75e64f8348209d2258026f2da59b1bf927efeab522cf545537ed7fd03408288
[INFO] running `Command { std: "docker" "start" "-a" "a75e64f8348209d2258026f2da59b1bf927efeab522cf545537ed7fd03408288", kill_on_drop: false }`
[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]    Compiling traitobject v0.1.1 (/opt/rustwide/workdir)
[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" "a75e64f8348209d2258026f2da59b1bf927efeab522cf545537ed7fd03408288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75e64f8348209d2258026f2da59b1bf927efeab522cf545537ed7fd03408288", kill_on_drop: false }`
[INFO] [stdout] a75e64f8348209d2258026f2da59b1bf927efeab522cf545537ed7fd03408288