[INFO] cloning repository https://github.com/rust-lang-nursery/chalk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-nursery/chalk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fchalk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fchalk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94db658d93f5dec97f2be27794fd07e4d2df511e
[INFO] checking rust-lang-nursery/chalk against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-nursery%2Fchalk" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rust-lang-nursery/chalk
[INFO] finished tweaking git repo https://github.com/rust-lang-nursery/chalk
[INFO] tweaked toml for git repo https://github.com/rust-lang-nursery/chalk written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rust-lang-nursery/chalk on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rust-lang-nursery/chalk 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef11ac70569b51f954c7921f4ceb41e435090316c19b5c37dcc804f1e19df731
[INFO] running `Command { std: "docker" "start" "-a" "ef11ac70569b51f954c7921f4ceb41e435090316c19b5c37dcc804f1e19df731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef11ac70569b51f954c7921f4ceb41e435090316c19b5c37dcc804f1e19df731", kill_on_drop: false }`
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[INFO] [stdout] 00761915896b6331e870b2e368a2cc1ccefe037468a45e35e587f26fb358a13f
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[INFO] [stderr]    Compiling chalk-derive v0.105.0-dev.0 (/opt/rustwide/workdir/chalk-derive)
[INFO] [stderr]     Checking chalk-ir v0.105.0-dev.0 (/opt/rustwide/workdir/chalk-ir)
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[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | copy_fold!(bool);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | copy_fold!(usize);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | copy_fold!(UniverseIndex);
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | copy_fold!(PlaceholderIndex);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | copy_fold!(QuantifierKind);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | copy_fold!(DebruijnIndex);
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | copy_fold!(());
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 | copy_fold!(UintTy);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | copy_fold!(IntTy);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 | copy_fold!(FloatTy);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 | copy_fold!(Scalar);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 | copy_fold!(ClausePriority);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 | copy_fold!(Mutability);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 | copy_fold!(Safety);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 | id_fold!(ImplId);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 | id_fold!(AdtId);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 | id_fold!(TraitId);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 | id_fold!(AssocTypeId);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 | id_fold!(OpaqueTyId);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | id_fold!(FnDefId);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 | id_fold!(ClosureId);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | id_fold!(CoroutineId);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 | id_fold!(ForeignDefId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 | const_visit!(bool);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | const_visit!(usize);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 | const_visit!(UniverseIndex);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | const_visit!(PlaceholderIndex);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 | const_visit!(QuantifierKind);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | const_visit!(DebruijnIndex);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | const_visit!(ClausePriority);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | const_visit!(());
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | const_visit!(Scalar);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | const_visit!(UintTy);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | const_visit!(IntTy);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | const_visit!(FloatTy);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | const_visit!(Mutability);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 | const_visit!(Safety);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 | id_visit!(ImplId);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 | id_visit!(AdtId);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 | id_visit!(TraitId);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 | id_visit!(OpaqueTyId);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 | id_visit!(AssocTypeId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 | id_visit!(FnDefId);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 | id_visit!(ClosureId);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 | id_visit!(CoroutineId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 | id_visit!(ForeignDefId);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | copy_fold!(bool);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | copy_fold!(usize);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | copy_fold!(UniverseIndex);
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | copy_fold!(PlaceholderIndex);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | copy_fold!(QuantifierKind);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | copy_fold!(DebruijnIndex);
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | copy_fold!(());
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 | copy_fold!(UintTy);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | copy_fold!(IntTy);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 | copy_fold!(FloatTy);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 | copy_fold!(Scalar);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 | copy_fold!(ClausePriority);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 | copy_fold!(Mutability);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 | copy_fold!(Safety);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 | id_fold!(ImplId);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 | id_fold!(AdtId);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 | id_fold!(TraitId);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 204 | id_fold!(AssocTypeId);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 | id_fold!(OpaqueTyId);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | id_fold!(FnDefId);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 | id_fold!(ClosureId);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 | id_fold!(CoroutineId);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 | id_fold!(ForeignDefId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 | const_visit!(bool);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | const_visit!(usize);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 | const_visit!(UniverseIndex);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | const_visit!(PlaceholderIndex);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 | const_visit!(QuantifierKind);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | const_visit!(DebruijnIndex);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | const_visit!(ClausePriority);
[INFO] [stdout]     | ---------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | const_visit!(());
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | const_visit!(Scalar);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | const_visit!(UintTy);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | const_visit!(IntTy);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | const_visit!(FloatTy);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | const_visit!(Mutability);
[INFO] [stdout]     | ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 | const_visit!(Safety);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 | id_visit!(ImplId);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 | id_visit!(AdtId);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 | id_visit!(TraitId);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 | id_visit!(OpaqueTyId);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 199 | id_visit!(AssocTypeId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 | id_visit!(FnDefId);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 | id_visit!(ClosureId);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 | id_visit!(CoroutineId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> chalk-ir/src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 | id_visit!(ForeignDefId);
[INFO] [stdout]     | ----------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing-tree v0.3.0
[INFO] [stderr]     Checking chalk-solve v0.105.0-dev.0 (/opt/rustwide/workdir/chalk-solve)
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]     Checking string_cache v0.8.7
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking salsa v0.16.1
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/clauses/builtin_traits/unsize.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     v.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = v.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/clauses/env_elaborator.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     in_clauses.visit_with(&mut elaborater, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = in_clauses.visit_with(&mut elaborater, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/infer/ucanonicalize.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         value0.value.visit_with(
[INFO] [stdout] 27 | |             &mut UCollector {
[INFO] [stdout] 28 | |                 universes: &mut universes,
[INFO] [stdout] 29 | |                 interner,
[INFO] [stdout] 30 | |             },
[INFO] [stdout] 31 | |             DebruijnIndex::INNERMOST,
[INFO] [stdout] 32 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = value0.value.visit_with(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 | /                 collector
[INFO] [stdout] 48 | |                     .db
[INFO] [stdout] 49 | |                     .adt_datum(adt_id)
[INFO] [stdout] 50 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | /                 collector
[INFO] [stdout] 54 | |                     .db
[INFO] [stdout] 55 | |                     .fn_def_datum(fn_def)
[INFO] [stdout] 56 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 trait_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let _ = trait_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 | /                     assoc_ty_datum
[INFO] [stdout] 66 | |                         .bounds_on_self(collector.db.interner())
[INFO] [stdout] 67 | |                         .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_____________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = assoc_ty_datum
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     assoc_ty_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let _ = assoc_ty_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 | /                 collector
[INFO] [stdout] 73 | |                     .db
[INFO] [stdout] 74 | |                     .opaque_ty_data(opaque_id)
[INFO] [stdout] 75 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 | /                 collector
[INFO] [stdout] 77 | |                     .db
[INFO] [stdout] 78 | |                     .hidden_opaque_type(opaque_id)
[INFO] [stdout] 79 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     assoc_ty_value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     let _ = assoc_ty_value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 impl_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let _ = impl_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/solve/truncate.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     value.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let _ = value.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/solve/truncate.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             normalized_ty.visit_with(self, outer_binder);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let _ = normalized_ty.visit_with(self, outer_binder);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/solve/truncate.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         ty.super_visit_with(self, outer_binder);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let _ = ty.super_visit_with(self, outer_binder);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/wf.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 id.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let _ = id.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 assoc_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 let _ = assoc_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 arity.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let _ = arity.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 opaque_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let _ = opaque_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 fn_def.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 let _ = fn_def.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let _ = mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 lifetime.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let _ = lifetime.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let _ = mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 let _ = ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chalk-recursive v0.105.0-dev.0 (/opt/rustwide/workdir/chalk-recursive)
[INFO] [stderr]     Checking chalk-engine v0.105.0-dev.0 (/opt/rustwide/workdir/chalk-engine)
[INFO] [stderr]    Compiling lalrpop v0.20.0
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> chalk-engine/src/stack.rs:20:81
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub(crate) fn debug_with<'a>(&'a self, tables: &'a Tables<I>) -> StackDebug<'_, I> {
[INFO] [stdout]    |                                   --                --                          ^^ the same lifetime is elided here
[INFO] [stdout]    |                                   |                 |
[INFO] [stdout]    |                                   |                 the lifetime is named here
[INFO] [stdout]    |                                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     pub(crate) fn debug_with<'a>(&'a self, tables: &'a Tables<I>) -> StackDebug<'_, I> {
[INFO] [stdout] 20 +     pub(crate) fn debug_with<'a>(&'a self, tables: &'a Tables<I>) -> StackDebug<'a, I> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chalk-parse v0.105.0-dev.0 (/opt/rustwide/workdir/chalk-parse)
[INFO] [stderr]     Checking chalk-integration v0.105.0-dev.0 (/opt/rustwide/workdir/chalk-integration)
[INFO] [stdout] warning: unexpected `cfg` condition value: `bench`
[INFO] [stdout]  --> chalk-integration/src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "bench", feature(test))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `bench` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `bench`
[INFO] [stdout]  --> chalk-integration/src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "bench", feature(test))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `bench` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> chalk-integration/src/lowering/env.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 |     Trait(TraitId<ChalkIr>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 85 -     Trait(TraitId<ChalkIr>),
[INFO] [stdout] 85 +     Trait(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> chalk-integration/src/lowering/env.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn lookup_type(&self, name: &Identifier) -> LowerResult<TypeLookup> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here        ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn lookup_type(&self, name: &Identifier) -> LowerResult<TypeLookup<'_>> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> chalk-integration/src/lowering/env.rs:85:11
[INFO] [stdout]    |
[INFO] [stdout] 85 |     Trait(TraitId<ChalkIr>),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 85 -     Trait(TraitId<ChalkIr>),
[INFO] [stdout] 85 +     Trait(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> chalk-integration/src/lowering/env.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn lookup_type(&self, name: &Identifier) -> LowerResult<TypeLookup> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here        ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn lookup_type(&self, name: &Identifier) -> LowerResult<TypeLookup<'_>> {
[INFO] [stdout]     |                                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chalk v0.105.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> chalk-engine/src/stack.rs:20:81
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub(crate) fn debug_with<'a>(&'a self, tables: &'a Tables<I>) -> StackDebug<'_, I> {
[INFO] [stdout]    |                                   --                --                          ^^ the same lifetime is elided here
[INFO] [stdout]    |                                   |                 |
[INFO] [stdout]    |                                   |                 the lifetime is named here
[INFO] [stdout]    |                                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     pub(crate) fn debug_with<'a>(&'a self, tables: &'a Tables<I>) -> StackDebug<'_, I> {
[INFO] [stdout] 20 +     pub(crate) fn debug_with<'a>(&'a self, tables: &'a Tables<I>) -> StackDebug<'a, I> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/clauses/builtin_traits/unsize.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     v.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let _ = v.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/clauses/env_elaborator.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     in_clauses.visit_with(&mut elaborater, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let _ = in_clauses.visit_with(&mut elaborater, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/infer/ucanonicalize.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         value0.value.visit_with(
[INFO] [stdout] 27 | |             &mut UCollector {
[INFO] [stdout] 28 | |                 universes: &mut universes,
[INFO] [stdout] 29 | |                 interner,
[INFO] [stdout] 30 | |             },
[INFO] [stdout] 31 | |             DebruijnIndex::INNERMOST,
[INFO] [stdout] 32 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = value0.value.visit_with(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 | /                 collector
[INFO] [stdout] 48 | |                     .db
[INFO] [stdout] 49 | |                     .adt_datum(adt_id)
[INFO] [stdout] 50 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 | /                 collector
[INFO] [stdout] 54 | |                     .db
[INFO] [stdout] 55 | |                     .fn_def_datum(fn_def)
[INFO] [stdout] 56 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 trait_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let _ = trait_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:65:21
[INFO] [stdout]    |
[INFO] [stdout] 65 | /                     assoc_ty_datum
[INFO] [stdout] 66 | |                         .bounds_on_self(collector.db.interner())
[INFO] [stdout] 67 | |                         .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_____________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let _ = assoc_ty_datum
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     assoc_ty_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let _ = assoc_ty_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 | /                 collector
[INFO] [stdout] 73 | |                     .db
[INFO] [stdout] 74 | |                     .opaque_ty_data(opaque_id)
[INFO] [stdout] 75 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 | /                 collector
[INFO] [stdout] 77 | |                     .db
[INFO] [stdout] 78 | |                     .hidden_opaque_type(opaque_id)
[INFO] [stdout] 79 | |                     .visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    | |_________________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 let _ = collector
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:85:21
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     assoc_ty_value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     let _ = assoc_ty_value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/logging_db/id_collector.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 impl_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 let _ = impl_datum.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/solve/truncate.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     value.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let _ = value.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/solve/truncate.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             normalized_ty.visit_with(self, outer_binder);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let _ = normalized_ty.visit_with(self, outer_binder);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/solve/truncate.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         ty.super_visit_with(self, outer_binder);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let _ = ty.super_visit_with(self, outer_binder);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/solve/truncate.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         ty0.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let _ = ty0.visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/solve/truncate.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         vec![&ty0, &ty1].visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let _ = vec![&ty0, &ty1].visit_with(&mut visitor, DebruijnIndex::INNERMOST);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> chalk-solve/src/wf.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = value.visit_with(&mut collector, DebruijnIndex::INNERMOST);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 id.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 let _ = id.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 assoc_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 let _ = assoc_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 arity.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let _ = arity.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 opaque_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 let _ = opaque_ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 fn_def.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 let _ = fn_def.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:146:17
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let _ = mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 lifetime.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 let _ = lifetime.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 let _ = mutability.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> chalk-solve/src/wf.rs:161:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 let _ = ty.visit_with(self, outer_binder);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "00761915896b6331e870b2e368a2cc1ccefe037468a45e35e587f26fb358a13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00761915896b6331e870b2e368a2cc1ccefe037468a45e35e587f26fb358a13f", kill_on_drop: false }`
[INFO] [stdout] 00761915896b6331e870b2e368a2cc1ccefe037468a45e35e587f26fb358a13f
