[INFO] fetching crate fixed-map 0.9.5...
[INFO] checking fixed-map-0.9.5 against try#149edce6c6ee840adb602803b96d083101ef3592 for pr-133502-16
[INFO] extracting crate fixed-map 0.9.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate fixed-map 0.9.5
[INFO] finished tweaking crates.io crate fixed-map 0.9.5
[INFO] tweaked toml for crates.io crate fixed-map 0.9.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed-map 0.9.5 on toolchain 149edce6c6ee840adb602803b96d083101ef3592
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fixed-map 0.9.5 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" "+149edce6c6ee840adb602803b96d083101ef3592" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `serde` dependency)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6663dd11021c668c0878663a9de837556eff56bf643c7b0c590c9e2bc38ec4c1
[INFO] running `Command { std: "docker" "start" "-a" "6663dd11021c668c0878663a9de837556eff56bf643c7b0c590c9e2bc38ec4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6663dd11021c668c0878663a9de837556eff56bf643c7b0c590c9e2bc38ec4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6663dd11021c668c0878663a9de837556eff56bf643c7b0c590c9e2bc38ec4c1", kill_on_drop: false }`
[INFO] [stdout] 6663dd11021c668c0878663a9de837556eff56bf643c7b0c590c9e2bc38ec4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+149edce6c6ee840adb602803b96d083101ef3592" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e009eb9df6cfa850c0d62779ccbaa292a0b12e1f0fbc5777d951b7233a32307f
[INFO] running `Command { std: "docker" "start" "-a" "e009eb9df6cfa850c0d62779ccbaa292a0b12e1f0fbc5777d951b7233a32307f", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `serde` dependency)
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling ahash v0.8.10
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling fixed-map-derive v0.9.5
[INFO] [stderr]     Checking fixed-map v0.9.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]    --> src/lib.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 | #![warn(pointer_structural_match)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: lint `pointer_structural_match` has been removed: converted into hard error, see RFC #3535 <https://rust-lang.github.io/rfcs/3535-constants-in-patterns.html> for more information
[INFO] [stdout]    --> src/lib.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 | #![warn(pointer_structural_match)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/map_feature-c71d2094c2f6fe91.long-type-12132329603333796488.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Map<Iter<'a, &str, V>, fn((&&str, &V)) -> (&str, &V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Map<Iter<'a, u32, V>, fn((&u32, &V)) -> (u32, &V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), &V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                         ^^^ types differ
[INFO] [stdout] 12 |   enum MyKey {
[INFO] [stdout]    |  ______-
[INFO] [stdout] 13 | |     Simple,
[INFO] [stdout] 14 | |     Composite(Part),
[INFO] [stdout] 15 | |     String(&'static str),
[INFO] [stdout]    | |__________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&'static str`
[INFO] [stdout]            found associated type `<Copied<hashbrown::map::Keys<'a, &'static str, V>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Copied<hashbrown::map::Keys<'a, &'static str, V>> as Iterator>::Item` to `&'static str`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> tests/map_feature.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     String(&'static str),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                         ^^^ types differ
[INFO] [stdout] 12 |   enum MyKey {
[INFO] [stdout]    |  ______-
[INFO] [stdout] 13 | |     Simple,
[INFO] [stdout] 14 | |     Composite(Part),
[INFO] [stdout] 15 | |     String(&'static str),
[INFO] [stdout] 16 | |     Number(u32),
[INFO] [stdout]    | |__________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:         expected type `u32`
[INFO] [stdout]            found associated type `<Copied<hashbrown::map::Keys<'a, u32, V>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Copied<hashbrown::map::Keys<'a, u32, V>> as Iterator>::Item` to `u32`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> tests/map_feature.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Number(u32),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       types differ
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       types differ
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<hashbrown::map::Values<'a, &'static str, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<hashbrown::map::Values<'a, &'static str, V> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<hashbrown::map::Values<'a, &'static str, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       types differ
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<hashbrown::map::Values<'a, u32, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<hashbrown::map::Values<'a, u32, V> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<hashbrown::map::Values<'a, u32, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       types differ
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<std::option::Iter<'a, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<std::option::Iter<'a, V> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<std::option::Iter<'a, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/map_feature-c71d2094c2f6fe91.long-type-3724754661186531695.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Map<IterMut<'a, &str, V>, fn(...) -> ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/map_feature-c71d2094c2f6fe91.long-type-7621560334079210889.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Map<IterMut<'a, u32, V>, fn((&u32, &mut V)) -> (u32, &mut V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), &mut V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       types differ
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       types differ
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<hashbrown::map::ValuesMut<'a, &'static str, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<hashbrown::map::ValuesMut<'a, &'static str, V> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<hashbrown::map::ValuesMut<'a, &'static str, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       types differ
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<hashbrown::map::ValuesMut<'a, u32, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<hashbrown::map::ValuesMut<'a, u32, V> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<hashbrown::map::ValuesMut<'a, u32, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ types differ
[INFO] [stdout]   |
[INFO] [stdout]   = note: the full name for the type has been written to '/opt/rustwide/target/debug/examples/composite-e41628e3bf6cea7e.long-type-7486378478465084806.txt'
[INFO] [stdout]   = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), &V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ types differ
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       types differ
[INFO] [stdout]    |                       arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<std::option::IterMut<'a, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<std::option::IterMut<'a, V> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<std::option::IterMut<'a, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/map_feature-c71d2094c2f6fe91.long-type-9605887278965341420.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<&str, V> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<u32, V> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                       ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                         ^^^ types differ
[INFO] [stdout] 12 |   enum MyKey {
[INFO] [stdout]    |  ______-
[INFO] [stdout] 13 | |     Simple,
[INFO] [stdout] 14 | |     Composite(Part),
[INFO] [stdout] 15 | |     String(&'static str),
[INFO] [stdout]    | |__________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&'static str`
[INFO] [stdout]            found associated type `<Copied<hashbrown::set::Iter<'a, &'static str>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Copied<hashbrown::set::Iter<'a, &'static str>> as Iterator>::Item` to `&'static str`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> tests/map_feature.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     String(&'static str),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/map_feature.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                         ^^^ types differ
[INFO] [stdout] 12 |   enum MyKey {
[INFO] [stdout]    |  ______-
[INFO] [stdout] 13 | |     Simple,
[INFO] [stdout] 14 | |     Composite(Part),
[INFO] [stdout] 15 | |     String(&'static str),
[INFO] [stdout] 16 | |     Number(u32),
[INFO] [stdout]    | |__________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:         expected type `u32`
[INFO] [stdout]            found associated type `<Copied<hashbrown::set::Iter<'a, u32>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Copied<hashbrown::set::Iter<'a, u32>> as Iterator>::Item` to `u32`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> tests/map_feature.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Number(u32),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       types differ
[INFO] [stdout]   |                       arguments to this enum variant are incorrect
[INFO] [stdout]   |
[INFO] [stdout]   = note:    expected reference `&V`
[INFO] [stdout]           found associated type `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item`
[INFO] [stdout]   = help: consider constraining the associated type `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item` to `&V`
[INFO] [stdout]   = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]  --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       types differ
[INFO] [stdout]   |                       arguments to this enum variant are incorrect
[INFO] [stdout]   |
[INFO] [stdout]   = note:    expected reference `&V`
[INFO] [stdout]           found associated type `<std::option::Iter<'a, V> as Iterator>::Item`
[INFO] [stdout]   = help: consider constraining the associated type `<std::option::Iter<'a, V> as Iterator>::Item` to `&V`
[INFO] [stdout]   = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<std::option::Iter<'a, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]  --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ types differ
[INFO] [stdout]   |
[INFO] [stdout]   = note: the full name for the type has been written to '/opt/rustwide/target/debug/examples/composite-e41628e3bf6cea7e.long-type-5771020120145827608.txt'
[INFO] [stdout]   = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), &mut V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ types differ
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       types differ
[INFO] [stdout]   |                       arguments to this enum variant are incorrect
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected mutable reference `&mut V`
[INFO] [stdout]                found associated type `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item`
[INFO] [stdout]   = help: consider constraining the associated type `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item` to `&mut V`
[INFO] [stdout]   = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]  --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       types differ
[INFO] [stdout]   |                       arguments to this enum variant are incorrect
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected mutable reference `&mut V`
[INFO] [stdout]                found associated type `<std::option::IterMut<'a, V> as Iterator>::Item`
[INFO] [stdout]   = help: consider constraining the associated type `<std::option::IterMut<'a, V> as Iterator>::Item` to `&mut V`
[INFO] [stdout]   = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<std::option::IterMut<'a, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]  --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ types differ
[INFO] [stdout]   |
[INFO] [stdout]   = note: the full name for the type has been written to '/opt/rustwide/target/debug/examples/composite-e41628e3bf6cea7e.long-type-3861785361815223111.txt'
[INFO] [stdout]   = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]  --> examples/composite.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[derive(Clone, Copy, Key)]
[INFO] [stdout]   |                       ^^^ types differ
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed-map` (example "composite") due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fixed-map` (test "map_feature") due to 24 previous errors
[INFO] [stdout] error[E0271]: type mismatch resolving `<Chain<Map<Iter<'a, V>, fn(&V) -> ...>, ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/entry.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/entry-b9547fec95d3d00c.long-type-15577580709073258435.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<std::iter::Chain<std::option::Iter<'a, V>, std::option::Iter<'a, V>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<std::iter::Chain<std::option::Iter<'a, V>, std::option::Iter<'a, V>> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<std::iter::Chain<std::option::Iter<'a, V>, std::option::Iter<'a, V>> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Chain<Map<IterMut<'a, V>, ...>, ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/entry.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/entry-b9547fec95d3d00c.long-type-1662760421945824739.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<std::iter::Chain<std::option::IterMut<'a, V>, std::option::IterMut<'a, V>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<std::iter::Chain<std::option::IterMut<'a, V>, std::option::IterMut<'a, V>> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<std::iter::Chain<std::option::IterMut<'a, V>, std::option::IterMut<'a, V>> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Chain<Map<IntoIter<V>, fn(V) -> ...>, ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/entry.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/entry-b9547fec95d3d00c.long-type-4483997133424472249.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/entry-b9547fec95d3d00c.long-type-1041799628231227740.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Map<Iter<'a, &str, V>, fn((&&str, &V)) -> (&str, &V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Map<Iter<'a, u32, V>, fn((&u32, &V)) -> (u32, &V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), &V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |       #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                             ^^^ types differ
[INFO] [stdout] 71 |       enum MyKey {
[INFO] [stdout]    |  __________-
[INFO] [stdout] 72 | |         Simple,
[INFO] [stdout] 73 | |         Composite(Part),
[INFO] [stdout] 74 | |         String(&'static str),
[INFO] [stdout]    | |______________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&'static str`
[INFO] [stdout]            found associated type `<Copied<hashbrown::map::Keys<'a, &'static str, V>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Copied<hashbrown::map::Keys<'a, &'static str, V>> as Iterator>::Item` to `&'static str`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> tests/entry.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         String(&'static str),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |       #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                             ^^^ types differ
[INFO] [stdout] 71 |       enum MyKey {
[INFO] [stdout]    |  __________-
[INFO] [stdout] 72 | |         Simple,
[INFO] [stdout] 73 | |         Composite(Part),
[INFO] [stdout] 74 | |         String(&'static str),
[INFO] [stdout] 75 | |         Number(u32),
[INFO] [stdout]    | |______________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:         expected type `u32`
[INFO] [stdout]            found associated type `<Copied<hashbrown::map::Keys<'a, u32, V>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Copied<hashbrown::map::Keys<'a, u32, V>> as Iterator>::Item` to `u32`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> tests/entry.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Number(u32),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<Flatten<std::slice::Iter<'a, Option<V>>> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<hashbrown::map::Values<'a, &'static str, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<hashbrown::map::Values<'a, &'static str, V> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<hashbrown::map::Values<'a, &'static str, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<hashbrown::map::Values<'a, u32, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<hashbrown::map::Values<'a, u32, V> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<hashbrown::map::Values<'a, u32, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&V`
[INFO] [stdout]            found associated type `<std::option::Iter<'a, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<std::option::Iter<'a, V> as Iterator>::Item` to `&V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<std::option::Iter<'a, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/entry-b9547fec95d3d00c.long-type-2593948482299735476.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Map<IterMut<'a, &str, V>, fn(...) -> ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/entry-b9547fec95d3d00c.long-type-16215384699150834838.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<Map<IterMut<'a, u32, V>, fn((&u32, &mut V)) -> (u32, &mut V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), &mut V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<Flatten<std::slice::IterMut<'a, Option<V>>> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<hashbrown::map::ValuesMut<'a, &'static str, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<hashbrown::map::ValuesMut<'a, &'static str, V> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<hashbrown::map::ValuesMut<'a, &'static str, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<hashbrown::map::ValuesMut<'a, u32, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<hashbrown::map::ValuesMut<'a, u32, V> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<hashbrown::map::ValuesMut<'a, u32, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           types differ
[INFO] [stdout]    |                           arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut V`
[INFO] [stdout]                 found associated type `<std::option::IterMut<'a, V> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<std::option::IterMut<'a, V> as Iterator>::Item` to `&mut V`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] help: the type constructed contains `<std::option::IterMut<'a, V> as Iterator>::Item` due to the type of the argument passed
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/149edce6c6ee840adb602803b96d083101ef3592/library/core/src/option.rs:602:5
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<FlatMap<IntoIter<(Part, ...), 2>, ..., ...> as Iterator>::Item == ...`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/entry-b9547fec95d3d00c.long-type-14504030677887980999.txt'
[INFO] [stdout]    = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<&str, V> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<u32, V> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<IntoIter<((), V)> as Iterator>::Item == (_, _)`
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |     #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                           ^^^ types differ
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |       #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                             ^^^ types differ
[INFO] [stdout] 71 |       enum MyKey {
[INFO] [stdout]    |  __________-
[INFO] [stdout] 72 | |         Simple,
[INFO] [stdout] 73 | |         Composite(Part),
[INFO] [stdout] 74 | |         String(&'static str),
[INFO] [stdout]    | |______________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected reference `&'static str`
[INFO] [stdout]            found associated type `<Copied<hashbrown::set::Iter<'a, &'static str>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Copied<hashbrown::set::Iter<'a, &'static str>> as Iterator>::Item` to `&'static str`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> tests/entry.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         String(&'static str),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/entry.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |       #[derive(Clone, Copy, Key)]
[INFO] [stdout]    |                             ^^^ types differ
[INFO] [stdout] 71 |       enum MyKey {
[INFO] [stdout]    |  __________-
[INFO] [stdout] 72 | |         Simple,
[INFO] [stdout] 73 | |         Composite(Part),
[INFO] [stdout] 74 | |         String(&'static str),
[INFO] [stdout] 75 | |         Number(u32),
[INFO] [stdout]    | |______________- arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note:         expected type `u32`
[INFO] [stdout]            found associated type `<Copied<hashbrown::set::Iter<'a, u32>> as Iterator>::Item`
[INFO] [stdout]    = help: consider constraining the associated type `<Copied<hashbrown::set::Iter<'a, u32>> as Iterator>::Item` to `u32`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> tests/entry.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Number(u32),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    = note: this error originates in the derive macro `Key` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed-map` (test "entry") due to 29 previous errors
[INFO] running `Command { std: "docker" "inspect" "e009eb9df6cfa850c0d62779ccbaa292a0b12e1f0fbc5777d951b7233a32307f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e009eb9df6cfa850c0d62779ccbaa292a0b12e1f0fbc5777d951b7233a32307f", kill_on_drop: false }`
[INFO] [stdout] e009eb9df6cfa850c0d62779ccbaa292a0b12e1f0fbc5777d951b7233a32307f