[INFO] fetching crate clacks_tl_codegen 0.0.5...
[INFO] building clacks_tl_codegen-0.0.5 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate clacks_tl_codegen 0.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate clacks_tl_codegen 0.0.5 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clacks_tl_codegen 0.0.5
[INFO] finished tweaking crates.io crate clacks_tl_codegen 0.0.5
[INFO] tweaked toml for crates.io crate clacks_tl_codegen 0.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5489e12fc9fd1c95959dc9c5393f26936c8bc057aca98051b7163f95331bbccb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5489e12fc9fd1c95959dc9c5393f26936c8bc057aca98051b7163f95331bbccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5489e12fc9fd1c95959dc9c5393f26936c8bc057aca98051b7163f95331bbccb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5489e12fc9fd1c95959dc9c5393f26936c8bc057aca98051b7163f95331bbccb", kill_on_drop: false }`
[INFO] [stdout] 5489e12fc9fd1c95959dc9c5393f26936c8bc057aca98051b7163f95331bbccb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 956b4ff776db6f7bc41e7a8406c75193ed8f15b52871a15cdd621a01cdcb9998
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "956b4ff776db6f7bc41e7a8406c75193ed8f15b52871a15cdd621a01cdcb9998", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling clacks_tl_codegen v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | /         ( sym(b'#').map(|_| Type::Int) |
[INFO] [stdout] 154 | |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stdout] 155 | |           ty_flag() |
[INFO] [stdout] 156 | |           ty_generic() |
[INFO] [stdout] 157 | |           dotted_ident().map(Type::Named)
[INFO] [stdout] 158 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 ~         sym(b'#').map(|_| Type::Int) |
[INFO] [stdout] 154 +           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stdout] 155 +           ty_flag() |
[INFO] [stdout] 156 +           ty_generic() |
[INFO] [stdout] 157 +           dotted_ident().map(Type::Named)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | /         (space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stdout] 164 | |          ty())
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 ~         space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stdout] 164 +          ty()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         ( repeated_field() |
[INFO] [stdout] 181 | |           base_field() |
[INFO] [stdout] 182 | |           ty().map(|ty| Field { name: None, ty: ty }))
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 ~         repeated_field() |
[INFO] [stdout] 181 +           base_field() |
[INFO] [stdout] 182 +           ty().map(|ty| Field { name: None, ty: ty })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | /         ( seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stdout] 221 | |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stdout] 222 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 220 ~         seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stdout] 221 +           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1548:59
[INFO] [stdout]      |
[INFO] [stdout] 1548 |     fn constructors_and_tl_ids<'this>(&'this self) -> Box<'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>> {
[INFO] [stdout]      |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:440:35
[INFO] [stdout]     |
[INFO] [stdout] 440 |                 Item::Constructor(mut c) => {
[INFO] [stdout]     |                                   ----^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:465:17
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let mut cs = cs.resolve(&resolve_map);
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:297:21
[INFO] [stdout]     |
[INFO] [stdout] 297 |                     &mut s[..1].make_ascii_uppercase();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 297 |                     let _ = &mut s[..1].make_ascii_uppercase();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.18s
[INFO] running `Command { std: "docker" "inspect" "956b4ff776db6f7bc41e7a8406c75193ed8f15b52871a15cdd621a01cdcb9998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956b4ff776db6f7bc41e7a8406c75193ed8f15b52871a15cdd621a01cdcb9998", kill_on_drop: false }`
[INFO] [stdout] 956b4ff776db6f7bc41e7a8406c75193ed8f15b52871a15cdd621a01cdcb9998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afd951b5c087231e258431305062cc7d948faa9e397e556819b376c895695d1c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afd951b5c087231e258431305062cc7d948faa9e397e556819b376c895695d1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling clacks_tl_codegen v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | /         ( sym(b'#').map(|_| Type::Int) |
[INFO] [stdout] 154 | |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stdout] 155 | |           ty_flag() |
[INFO] [stdout] 156 | |           ty_generic() |
[INFO] [stdout] 157 | |           dotted_ident().map(Type::Named)
[INFO] [stdout] 158 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 ~         sym(b'#').map(|_| Type::Int) |
[INFO] [stdout] 154 +           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stdout] 155 +           ty_flag() |
[INFO] [stdout] 156 +           ty_generic() |
[INFO] [stdout] 157 +           dotted_ident().map(Type::Named)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | /         (space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stdout] 164 | |          ty())
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 ~         space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stdout] 164 +          ty()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         ( repeated_field() |
[INFO] [stdout] 181 | |           base_field() |
[INFO] [stdout] 182 | |           ty().map(|ty| Field { name: None, ty: ty }))
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 ~         repeated_field() |
[INFO] [stdout] 181 +           base_field() |
[INFO] [stdout] 182 +           ty().map(|ty| Field { name: None, ty: ty })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | /         ( seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stdout] 221 | |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stdout] 222 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 220 ~         seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stdout] 221 +           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1548:59
[INFO] [stdout]      |
[INFO] [stdout] 1548 |     fn constructors_and_tl_ids<'this>(&'this self) -> Box<'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>> {
[INFO] [stdout]      |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:440:35
[INFO] [stdout]     |
[INFO] [stdout] 440 |                 Item::Constructor(mut c) => {
[INFO] [stdout]     |                                   ----^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:465:17
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let mut cs = cs.resolve(&resolve_map);
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:297:21
[INFO] [stdout]     |
[INFO] [stdout] 297 |                     &mut s[..1].make_ascii_uppercase();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 297 |                     let _ = &mut s[..1].make_ascii_uppercase();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | /         ( sym(b'#').map(|_| Type::Int) |
[INFO] [stdout] 154 | |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stdout] 155 | |           ty_flag() |
[INFO] [stdout] 156 | |           ty_generic() |
[INFO] [stdout] 157 | |           dotted_ident().map(Type::Named)
[INFO] [stdout] 158 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 153 ~         sym(b'#').map(|_| Type::Int) |
[INFO] [stdout] 154 +           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stdout] 155 +           ty_flag() |
[INFO] [stdout] 156 +           ty_generic() |
[INFO] [stdout] 157 +           dotted_ident().map(Type::Named)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 | /         (space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stdout] 164 | |          ty())
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 ~         space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stdout] 164 +          ty()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 | /         ( repeated_field() |
[INFO] [stdout] 181 | |           base_field() |
[INFO] [stdout] 182 | |           ty().map(|ty| Field { name: None, ty: ty }))
[INFO] [stdout]     | |______________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 ~         repeated_field() |
[INFO] [stdout] 181 +           base_field() |
[INFO] [stdout] 182 +           ty().map(|ty| Field { name: None, ty: ty })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 | /         ( seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stdout] 221 | |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stdout] 222 | |         )
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 220 ~         seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stdout] 221 +           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1548:59
[INFO] [stdout]      |
[INFO] [stdout] 1548 |     fn constructors_and_tl_ids<'this>(&'this self) -> Box<'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>> {
[INFO] [stdout]      |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:440:35
[INFO] [stdout]     |
[INFO] [stdout] 440 |                 Item::Constructor(mut c) => {
[INFO] [stdout]     |                                   ----^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:465:17
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let mut cs = cs.resolve(&resolve_map);
[INFO] [stdout]     |                 ----^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:297:21
[INFO] [stdout]     |
[INFO] [stdout] 297 |                     &mut s[..1].make_ascii_uppercase();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 297 |                     let _ = &mut s[..1].make_ascii_uppercase();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "afd951b5c087231e258431305062cc7d948faa9e397e556819b376c895695d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd951b5c087231e258431305062cc7d948faa9e397e556819b376c895695d1c", kill_on_drop: false }`
[INFO] [stdout] afd951b5c087231e258431305062cc7d948faa9e397e556819b376c895695d1c