[INFO] fetching crate chalk-ir 0.104.0...
[INFO] checking chalk-ir-0.104.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate chalk-ir 0.104.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate chalk-ir 0.104.0
[INFO] finished tweaking crates.io crate chalk-ir 0.104.0
[INFO] tweaked toml for crates.io crate chalk-ir 0.104.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chalk-ir 0.104.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate chalk-ir 0.104.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93e9912226ad82d791ef3ab92c87f809d39cbbfc98230d22835243f507e93ff7
[INFO] running `Command { std: "docker" "start" "-a" "93e9912226ad82d791ef3ab92c87f809d39cbbfc98230d22835243f507e93ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93e9912226ad82d791ef3ab92c87f809d39cbbfc98230d22835243f507e93ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e9912226ad82d791ef3ab92c87f809d39cbbfc98230d22835243f507e93ff7", kill_on_drop: false }`
[INFO] [stdout] 93e9912226ad82d791ef3ab92c87f809d39cbbfc98230d22835243f507e93ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4bd84a84541bb3306ac62d0814c0d594efd8f9636ab7e576422803bc89d3b23
[INFO] running `Command { std: "docker" "start" "-a" "b4bd84a84541bb3306ac62d0814c0d594efd8f9636ab7e576422803bc89d3b23", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling synstructure v0.13.0
[INFO] [stderr]    Compiling chalk-derive v0.104.0
[INFO] [stderr]     Checking chalk-ir v0.104.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | copy_fold!(bool);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | copy_fold!(UniverseIndex);
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | copy_fold!(QuantifierKind);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | copy_fold!(());
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | copy_fold!(IntTy);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 | copy_fold!(Scalar);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 | copy_fold!(Mutability);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 | id_fold!(ImplId);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 | id_fold!(TraitId);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 | id_fold!(OpaqueTyId);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 | id_fold!(ClosureId);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 | id_fold!(ForeignDefId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | const_visit!(usize);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | const_visit!(PlaceholderIndex);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | const_visit!(DebruijnIndex);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | const_visit!(());
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | const_visit!(UintTy);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | const_visit!(FloatTy);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 | const_visit!(Safety);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 | id_visit!(AdtId);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 | id_visit!(OpaqueTyId);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 | id_visit!(FnDefId);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 | id_visit!(CoroutineId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 | copy_fold!(bool);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 172 | copy_fold!(UniverseIndex);
[INFO] [stdout]     | ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 | copy_fold!(QuantifierKind);
[INFO] [stdout]     | -------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | copy_fold!(());
[INFO] [stdout]     | -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 | copy_fold!(IntTy);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 | copy_fold!(Scalar);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 | copy_fold!(Mutability);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `copy_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:161:35
[INFO] [stdout]     |
[INFO] [stdout] 161 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 | id_fold!(ImplId);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 203 | id_fold!(TraitId);
[INFO] [stdout]     | ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 205 | id_fold!(OpaqueTyId);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 | id_fold!(ClosureId);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($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]    --> src/fold/boring_impls.rs:192:35
[INFO] [stdout]     |
[INFO] [stdout] 192 |                 _folder: &mut dyn ($crate::fold::FallibleTypeFolder<I, Error = E>),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 | id_fold!(ForeignDefId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_fold` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 | const_visit!(usize);
[INFO] [stdout]     | ------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 | const_visit!(PlaceholderIndex);
[INFO] [stdout]     | ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 | const_visit!(DebruijnIndex);
[INFO] [stdout]     | --------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 | const_visit!(());
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 | const_visit!(UintTy);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 | const_visit!(FloatTy);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:155:36
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 | const_visit!(Safety);
[INFO] [stdout]     | -------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `const_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 196 | id_visit!(AdtId);
[INFO] [stdout]     | ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 | id_visit!(OpaqueTyId);
[INFO] [stdout]     | --------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 200 | id_visit!(FnDefId);
[INFO] [stdout]     | ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($crate::visit::TypeVisitor<I, BreakTy = B>),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 | id_visit!(CoroutineId);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `id_visit` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/visit/boring_impls.rs:186:36
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 _visitor: &mut dyn ($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] error: this type will no longer be must used: Result<Ty<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Lifetime<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Const<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ProgramClause<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Goal<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ty<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Lifetime<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Const<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ProgramClause<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Goal<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ty<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Lifetime<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Const<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ProgramClause<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Goal<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chalk-ir` (lib test) due to 15 previous errors; 46 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Ty<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Lifetime<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Const<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ProgramClause<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Goal<I>, Infallible>
[INFO] [stdout]     --> src/lib.rs:2722:10
[INFO] [stdout]      |
[INFO] [stdout] 2722 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]      |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ty<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Lifetime<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Const<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ProgramClause<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Goal<I>, Infallible>
[INFO] [stdout]   --> src/fold/shift.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Ty<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Lifetime<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Const<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ProgramClause<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Goal<I>, Infallible>
[INFO] [stdout]  --> src/fold/subst.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(FallibleTypeFolder)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FallibleTypeFolder` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chalk-ir` (lib) due to 15 previous errors; 46 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b4bd84a84541bb3306ac62d0814c0d594efd8f9636ab7e576422803bc89d3b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bd84a84541bb3306ac62d0814c0d594efd8f9636ab7e576422803bc89d3b23", kill_on_drop: false }`
[INFO] [stdout] b4bd84a84541bb3306ac62d0814c0d594efd8f9636ab7e576422803bc89d3b23
