[INFO] fetching crate ssa-canon 0.3.0-alpha.2...
[INFO] testing ssa-canon-0.3.0-alpha.2 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate ssa-canon 0.3.0-alpha.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate ssa-canon 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate ssa-canon 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate ssa-canon 0.3.0-alpha.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ssa-canon 0.3.0-alpha.2 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ssa-canon 0.3.0-alpha.2 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nougat-proc_macros v0.2.4
[INFO] [stderr]   Downloaded polonius-the-crab v0.2.1
[INFO] [stderr]   Downloaded lending-iterator v0.1.7
[INFO] [stderr]   Downloaded ssa-traits v0.3.0-alpha.2
[INFO] [stderr]   Downloaded nougat v0.2.4
[INFO] [stderr]   Downloaded ext-trait-proc_macros v1.0.1
[INFO] [stderr]   Downloaded sift-trait v0.3.0-alpha.2
[INFO] [stderr]   Downloaded ext-trait v1.0.1
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]   Downloaded arena-traits v0.2.3
[INFO] [stderr]   Downloaded never-say-never v6.6.666
[INFO] [stderr]   Downloaded extension-traits v1.0.1
[INFO] [stderr]   Downloaded lending-iterator-proc_macros v0.1.7
[INFO] [stderr]   Downloaded macro_rules_attribute v0.1.3
[INFO] [stderr]   Downloaded cfg-traits v0.3.0-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bec3783abc0d680711bb027b05e31a99de41543b1c240960b4608f35a5384e94
[INFO] running `Command { std: "docker" "start" "-a" "bec3783abc0d680711bb027b05e31a99de41543b1c240960b4608f35a5384e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bec3783abc0d680711bb027b05e31a99de41543b1c240960b4608f35a5384e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bec3783abc0d680711bb027b05e31a99de41543b1c240960b4608f35a5384e94", kill_on_drop: false }`
[INFO] [stdout] bec3783abc0d680711bb027b05e31a99de41543b1c240960b4608f35a5384e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2643cac69a24e6d7e80be68d3f059427ba918c198cbf0834afd0c381f15164d
[INFO] running `Command { std: "docker" "start" "-a" "a2643cac69a24e6d7e80be68d3f059427ba918c198cbf0834afd0c381f15164d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling never-say-never v6.6.666
[INFO] [stderr]    Compiling polonius-the-crab v0.2.1
[INFO] [stderr]    Compiling arena-traits v0.2.3
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling sift-trait v0.3.0-alpha.2
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling nougat-proc_macros v0.2.4
[INFO] [stderr]    Compiling lending-iterator-proc_macros v0.1.7
[INFO] [stderr]    Compiling ext-trait v1.0.1
[INFO] [stderr]    Compiling extension-traits v1.0.1
[INFO] [stderr]    Compiling nougat v0.2.4
[INFO] [stderr]    Compiling lending-iterator v0.1.7
[INFO] [stderr]    Compiling cfg-traits v0.3.0-alpha.2
[INFO] [stderr]    Compiling ssa-traits v0.3.0-alpha.2
[INFO] [stderr]    Compiling ssa-canon v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cfg_traits::Term as CFGTerm`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cfg_traits::Term as CFGTerm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     where
[INFO] [stdout] 52 | |         Self: 'a,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout]    = note: `#[warn(deprecated_where_clause_location)]` on by default
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 50 ~     type BRef<'a>
[INFO] [stdout] 51 ~     = &'a Self::Blocks where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     where
[INFO] [stdout] 57 | |         Self: 'a,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 55 ~     type BMut<'a>
[INFO] [stdout] 56 ~     = &'a mut Self::Blocks where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 135 |         > + 'a),
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout] 128 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stdout] ...
[INFO] [stdout] 134 |                    ),
[INFO] [stdout] 135 ~         > + 'a ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:131:36
[INFO] [stdout]     |
[INFO] [stdout] 131 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout]     |                           ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout] 131 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 249 |         > + 'a),
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 241 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout] 242 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stdout] ...
[INFO] [stdout] 248 |                    ),
[INFO] [stdout] 249 ~         > + 'a ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout]     |                           ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout] 245 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         f: &'a Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         g: &'a mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:163:18
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn ty(&self, f: &Func<O, T, Y>) -> <Func<O, T, Y> as ssa_traits::TypedFunc>::Ty {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         f: &'a Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         g: &'a mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         f: &mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:370:11
[INFO] [stdout]     |
[INFO] [stdout] 370 |     fn of(f: &mut Func<O, T, Y>, o: CanonOp<X>, c: Self::Capture, s: Self::Spit) -> Option<Self> {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn lift(f: &mut Func<O, T, Y>, r: Self::Residue) -> Option<Self> {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.47s
[INFO] running `Command { std: "docker" "inspect" "a2643cac69a24e6d7e80be68d3f059427ba918c198cbf0834afd0c381f15164d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2643cac69a24e6d7e80be68d3f059427ba918c198cbf0834afd0c381f15164d", kill_on_drop: false }`
[INFO] [stdout] a2643cac69a24e6d7e80be68d3f059427ba918c198cbf0834afd0c381f15164d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b51e4da8d29ddb5dfef6ce96510262cf969f74dcaf4cd2eea877dddc4ca0c5b9
[INFO] running `Command { std: "docker" "start" "-a" "b51e4da8d29ddb5dfef6ce96510262cf969f74dcaf4cd2eea877dddc4ca0c5b9", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `cfg_traits::Term as CFGTerm`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cfg_traits::Term as CFGTerm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     where
[INFO] [stdout] 52 | |         Self: 'a,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout]    = note: `#[warn(deprecated_where_clause_location)]` on by default
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 50 ~     type BRef<'a>
[INFO] [stdout] 51 ~     = &'a Self::Blocks where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     where
[INFO] [stdout] 57 | |         Self: 'a,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 55 ~     type BMut<'a>
[INFO] [stdout] 56 ~     = &'a mut Self::Blocks where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 135 |         > + 'a),
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout] 128 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stdout] ...
[INFO] [stdout] 134 |                    ),
[INFO] [stdout] 135 ~         > + 'a ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:131:36
[INFO] [stdout]     |
[INFO] [stdout] 131 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout]     |                           ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout] 131 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 249 |         > + 'a),
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 241 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout] 242 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stdout] ...
[INFO] [stdout] 248 |                    ),
[INFO] [stdout] 249 ~         > + 'a ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout]     |                           ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout] 245 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         f: &'a Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         g: &'a mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:163:18
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn ty(&self, f: &Func<O, T, Y>) -> <Func<O, T, Y> as ssa_traits::TypedFunc>::Ty {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         f: &'a Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ssa-canon v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         g: &'a mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         f: &mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:370:11
[INFO] [stdout]     |
[INFO] [stdout] 370 |     fn of(f: &mut Func<O, T, Y>, o: CanonOp<X>, c: Self::Capture, s: Self::Spit) -> Option<Self> {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn lift(f: &mut Func<O, T, Y>, r: Self::Residue) -> Option<Self> {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cfg_traits::Term as CFGTerm`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cfg_traits::Term as CFGTerm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | /     where
[INFO] [stdout] 52 | |         Self: 'a,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout]    = note: `#[warn(deprecated_where_clause_location)]` on by default
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 50 ~     type BRef<'a>
[INFO] [stdout] 51 ~     = &'a Self::Blocks where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clause not allowed here
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     where
[INFO] [stdout] 57 | |         Self: 'a,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stdout] help: move it to the end of the type declaration
[INFO] [stdout]    |
[INFO] [stdout] 55 ~     type BMut<'a>
[INFO] [stdout] 56 ~     = &'a mut Self::Blocks where Self: 'a;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 135 |         > + 'a),
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 127 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout] 128 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stdout] ...
[INFO] [stdout] 134 |                    ),
[INFO] [stdout] 135 ~         > + 'a ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:131:36
[INFO] [stdout]     |
[INFO] [stdout] 131 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout]     |                           ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout] 131 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout]     |         ^
[INFO] [stdout] ...
[INFO] [stdout] 249 |         > + 'a),
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 241 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stdout] 242 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stdout] ...
[INFO] [stdout] 248 |                    ),
[INFO] [stdout] 249 ~         > + 'a ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:245:36
[INFO] [stdout]     |
[INFO] [stdout] 245 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout]     |                           ^                                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 245 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stdout] 245 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         f: &'a Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |         g: &'a mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:163:18
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn ty(&self, f: &Func<O, T, Y>) -> <Func<O, T, Y> as ssa_traits::TypedFunc>::Ty {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:221:9
[INFO] [stdout]     |
[INFO] [stdout] 221 |         f: &'a Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]    --> src/lib.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         g: &'a mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:343:9
[INFO] [stdout]     |
[INFO] [stdout] 343 |         f: &mut Func<O, T, Y>,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:370:11
[INFO] [stdout]     |
[INFO] [stdout] 370 |     fn of(f: &mut Func<O, T, Y>, o: CanonOp<X>, c: Self::Capture, s: Self::Spit) -> Option<Self> {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |     fn lift(f: &mut Func<O, T, Y>, r: Self::Residue) -> Option<Self> {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "b51e4da8d29ddb5dfef6ce96510262cf969f74dcaf4cd2eea877dddc4ca0c5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51e4da8d29ddb5dfef6ce96510262cf969f74dcaf4cd2eea877dddc4ca0c5b9", kill_on_drop: false }`
[INFO] [stdout] b51e4da8d29ddb5dfef6ce96510262cf969f74dcaf4cd2eea877dddc4ca0c5b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9c87114d19b9a3897707721f0ed9caad3e726e405cab4404f280acb1cef3ed8
[INFO] running `Command { std: "docker" "start" "-a" "e9c87114d19b9a3897707721f0ed9caad3e726e405cab4404f280acb1cef3ed8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `cfg_traits::Term as CFGTerm`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use cfg_traits::Term as CFGTerm;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: where clause not allowed here
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 | /     where
[INFO] [stderr] 52 | |         Self: 'a,
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stderr]    = note: `#[warn(deprecated_where_clause_location)]` on by default
[INFO] [stderr] help: move it to the end of the type declaration
[INFO] [stderr]    |
[INFO] [stderr] 50 ~     type BRef<'a>
[INFO] [stderr] 51 ~     = &'a Self::Blocks where Self: 'a;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: where clause not allowed here
[INFO] [stderr]   --> src/lib.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 | /     where
[INFO] [stderr] 57 | |         Self: 'a,
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #89122 <https://github.com/rust-lang/rust/issues/89122> for more information
[INFO] [stderr] help: move it to the end of the type declaration
[INFO] [stderr]    |
[INFO] [stderr] 55 ~     type BMut<'a>
[INFO] [stderr] 56 ~     = &'a mut Self::Blocks where Self: 'a;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stderr]     |         ^
[INFO] [stderr] ...
[INFO] [stderr] 135 |         > + 'a),
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 127 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stderr] 128 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stderr] ...
[INFO] [stderr] 134 |                    ),
[INFO] [stderr] 135 ~         > + 'a ,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:131:36
[INFO] [stderr]     |
[INFO] [stderr] 131 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stderr]     |                           ^                                              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 131 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stderr] 131 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stderr]     |         ^
[INFO] [stderr] ...
[INFO] [stderr] 249 |         > + 'a),
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 241 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stderr] 242 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stderr] ...
[INFO] [stderr] 248 |                    ),
[INFO] [stderr] 249 ~         > + 'a ,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:245:36
[INFO] [stderr]     |
[INFO] [stderr] 245 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stderr]     |                           ^                                              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 245 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stderr] 245 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         f: &'a Func<O, T, Y>,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/lib.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |         g: &'a mut Func<O, T, Y>,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:163:18
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn ty(&self, f: &Func<O, T, Y>) -> <Func<O, T, Y> as ssa_traits::TypedFunc>::Ty {
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:221:9
[INFO] [stderr]     |
[INFO] [stderr] 221 |         f: &'a Func<O, T, Y>,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]    --> src/lib.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         g: &'a mut Func<O, T, Y>,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:343:9
[INFO] [stderr]     |
[INFO] [stderr] 343 |         f: &mut Func<O, T, Y>,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:370:11
[INFO] [stderr]     |
[INFO] [stderr] 370 |     fn of(f: &mut Func<O, T, Y>, o: CanonOp<X>, c: Self::Capture, s: Self::Spit) -> Option<Self> {
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:374:13
[INFO] [stderr]     |
[INFO] [stderr] 374 |     fn lift(f: &mut Func<O, T, Y>, r: Self::Residue) -> Option<Self> {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: `ssa-canon` (lib) generated 15 warnings (run `cargo fix --lib -p ssa-canon` to apply 15 suggestions)
[INFO] [stderr] warning: `ssa-canon` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ssa_canon-059f283b074b263f)
[INFO] [stderr]    Doc-tests ssa_canon
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stderr]     |         ^
[INFO] [stderr] ...
[INFO] [stderr] 135 |         > + 'a),
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 127 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stderr] 128 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stderr] ...
[INFO] [stderr] 134 |                    ),
[INFO] [stderr] 135 ~         > + 'a ,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:131:36
[INFO] [stderr]     |
[INFO] [stderr] 131 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stderr]     |                           ^                                              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 131 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stderr] 131 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |         (dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stderr]     |         ^
[INFO] [stderr] ...
[INFO] [stderr] 249 |         > + 'a),
[INFO] [stderr]     |               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 241 ~         dyn lending_iterator::lending_iterator::LendingIteratorDyn<
[INFO] [stderr] 242 |             Item = lending_iterator::HKT!(<'b> =>
[INFO] [stderr] ...
[INFO] [stderr] 248 |                    ),
[INFO] [stderr] 249 ~         > + 'a ,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:245:36
[INFO] [stderr]     |
[INFO] [stderr] 245 | ...                   Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stderr]     |                           ^                                              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 245 -                                Box<(dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b)>,
[INFO] [stderr] 245 +                                Box<dyn DerefMut<Target = Id<Value<O, T, Y>>> + 'b >,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9c87114d19b9a3897707721f0ed9caad3e726e405cab4404f280acb1cef3ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c87114d19b9a3897707721f0ed9caad3e726e405cab4404f280acb1cef3ed8", kill_on_drop: false }`
[INFO] [stdout] e9c87114d19b9a3897707721f0ed9caad3e726e405cab4404f280acb1cef3ed8
