[INFO] fetching crate downcast-trait 0.1.0...
[INFO] checking downcast-trait-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate downcast-trait 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate downcast-trait 0.1.0
[INFO] finished tweaking crates.io crate downcast-trait 0.1.0
[INFO] tweaked toml for crates.io crate downcast-trait 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate downcast-trait 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e782d448f50d636b27a1e3726a28a1facbbcc41d4cdf381affb7766da3b3cbe
[INFO] running `Command { std: "docker" "start" "-a" "8e782d448f50d636b27a1e3726a28a1facbbcc41d4cdf381affb7766da3b3cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e782d448f50d636b27a1e3726a28a1facbbcc41d4cdf381affb7766da3b3cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e782d448f50d636b27a1e3726a28a1facbbcc41d4cdf381affb7766da3b3cbe", kill_on_drop: false }`
[INFO] [stdout] 8e782d448f50d636b27a1e3726a28a1facbbcc41d4cdf381affb7766da3b3cbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4cf72281a1718a4d4b59f69aec62243d9ee4f10f80327a3adce8440e1fb368
[INFO] running `Command { std: "docker" "start" "-a" "5e4cf72281a1718a4d4b59f69aec62243d9ee4f10f80327a3adce8440e1fb368", kill_on_drop: false }`
[INFO] [stderr]     Checking downcast-trait v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:70:68
[INFO] [stdout]    |
[INFO] [stdout] 70 |     unsafe fn convert_to_trait(&self, trait_id: TypeId) -> Option<&(dyn Any)>;
[INFO] [stdout]    |                                                                    ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -     unsafe fn convert_to_trait(&self, trait_id: TypeId) -> Option<&(dyn Any)>;
[INFO] [stdout] 70 +     unsafe fn convert_to_trait(&self, trait_id: TypeId) -> Option<&dyn Any>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 |     unsafe fn convert_to_trait_mut(&mut self, trait_id: TypeId) -> Option<&mut (dyn Any)>;
[INFO] [stdout]    |                                                                                ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -     unsafe fn convert_to_trait_mut(&mut self, trait_id: TypeId) -> Option<&mut (dyn Any)>;
[INFO] [stdout] 74 +     unsafe fn convert_to_trait_mut(&mut self, trait_id: TypeId) -> Option<&mut dyn Any>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:134:74
[INFO] [stdout]     |
[INFO] [stdout] 134 |         unsafe fn convert_to_trait(& self, trait_id: TypeId) -> Option<& (dyn Any)> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |         downcast_trait_impl_convert_to!(dyn Downcasted, dyn Downcasted2);
[INFO] [stdout]     |         ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait_impl_convert_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:142:41
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 Some(mem::transmute::<& (dyn $type), & dyn Any>(
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |         downcast_trait_impl_convert_to!(dyn Downcasted, dyn Downcasted2);
[INFO] [stdout]     |         ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait_impl_convert_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:143:31
[INFO] [stdout]     |
[INFO] [stdout] 143 |                     self as & (dyn $type)
[INFO] [stdout]     |                               ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |         downcast_trait_impl_convert_to!(dyn Downcasted, dyn Downcasted2);
[INFO] [stdout]     |         ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait_impl_convert_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:153:86
[INFO] [stdout]     |
[INFO] [stdout] 153 |         unsafe fn convert_to_trait_mut(& mut self, trait_id: TypeId) -> Option<& mut (dyn Any)> {
[INFO] [stdout]     |                                                                                      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |         downcast_trait_impl_convert_to!(dyn Downcasted, dyn Downcasted2);
[INFO] [stdout]     |         ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait_impl_convert_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 Some(mem::transmute::<& mut (dyn $type), & mut dyn Any>(
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |         downcast_trait_impl_convert_to!(dyn Downcasted, dyn Downcasted2);
[INFO] [stdout]     |         ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait_impl_convert_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:162:35
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     self as & mut (dyn $type)
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |         downcast_trait_impl_convert_to!(dyn Downcasted, dyn Downcasted2);
[INFO] [stdout]     |         ---------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait_impl_convert_to` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:95:50
[INFO] [stdout]     |
[INFO] [stdout]  95 |                     .map(|dst| mem::transmute::<&(dyn Any), &(dyn $type)>(dst))
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |         let downcasted_maybe = downcast_trait!(dyn Downcasted, ts);
[INFO] [stdout]     |                                ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:95:62
[INFO] [stdout]     |
[INFO] [stdout]  95 |                     .map(|dst| mem::transmute::<&(dyn Any), &(dyn $type)>(dst))
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |         let downcasted_maybe = downcast_trait!(dyn Downcasted, ts);
[INFO] [stdout]     |                                ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:95:50
[INFO] [stdout]     |
[INFO] [stdout]  95 |                     .map(|dst| mem::transmute::<&(dyn Any), &(dyn $type)>(dst))
[INFO] [stdout]     |                                                  ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |         let downcasted_maybe2 = downcast_trait!(dyn Downcasted2, ts);
[INFO] [stdout]     |                                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:95:62
[INFO] [stdout]     |
[INFO] [stdout]  95 |                     .map(|dst| mem::transmute::<&(dyn Any), &(dyn $type)>(dst))
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 218 |         let downcasted_maybe2 = downcast_trait!(dyn Downcasted2, ts);
[INFO] [stdout]     |                                 ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:116:54
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     .map(|dst| mem::transmute::<&mut (dyn Any), &mut (dyn $type)>(dst))
[INFO] [stdout]     |                                                      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |         let mut downcasted_maybemut = downcast_trait_mut!(dyn Downcasted2, ts);
[INFO] [stdout]     |                                       ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:116:70
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     .map(|dst| mem::transmute::<&mut (dyn Any), &mut (dyn $type)>(dst))
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 223 |         let mut downcasted_maybemut = downcast_trait_mut!(dyn Downcasted2, ts);
[INFO] [stdout]     |                                       ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `downcast_trait_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:70:68
[INFO] [stdout]    |
[INFO] [stdout] 70 |     unsafe fn convert_to_trait(&self, trait_id: TypeId) -> Option<&(dyn Any)>;
[INFO] [stdout]    |                                                                    ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -     unsafe fn convert_to_trait(&self, trait_id: TypeId) -> Option<&(dyn Any)>;
[INFO] [stdout] 70 +     unsafe fn convert_to_trait(&self, trait_id: TypeId) -> Option<&dyn Any>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 |     unsafe fn convert_to_trait_mut(&mut self, trait_id: TypeId) -> Option<&mut (dyn Any)>;
[INFO] [stdout]    |                                                                                ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 74 -     unsafe fn convert_to_trait_mut(&mut self, trait_id: TypeId) -> Option<&mut (dyn Any)>;
[INFO] [stdout] 74 +     unsafe fn convert_to_trait_mut(&mut self, trait_id: TypeId) -> Option<&mut dyn Any>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5e4cf72281a1718a4d4b59f69aec62243d9ee4f10f80327a3adce8440e1fb368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4cf72281a1718a4d4b59f69aec62243d9ee4f10f80327a3adce8440e1fb368", kill_on_drop: false }`
[INFO] [stdout] 5e4cf72281a1718a4d4b59f69aec62243d9ee4f10f80327a3adce8440e1fb368