[INFO] fetching crate clacks_tl_codegen 0.0.5...
[INFO] testing clacks_tl_codegen-0.0.5 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate clacks_tl_codegen 0.0.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate clacks_tl_codegen 0.0.5 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded syntex_pos v0.59.1
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded extprim v1.7.1
[INFO] [stderr]   Downloaded strings v0.1.1
[INFO] [stderr]   Downloaded syntex_errors v0.59.1
[INFO] [stderr]   Downloaded syntex_syntax v0.59.1
[INFO] [stderr]   Downloaded rustfmt v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c12be5f1b6529651dbef9cf79513b916b6996117eba902f73e24fc0f5ba41f81
[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" "c12be5f1b6529651dbef9cf79513b916b6996117eba902f73e24fc0f5ba41f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c12be5f1b6529651dbef9cf79513b916b6996117eba902f73e24fc0f5ba41f81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12be5f1b6529651dbef9cf79513b916b6996117eba902f73e24fc0f5ba41f81", kill_on_drop: false }`
[INFO] [stdout] c12be5f1b6529651dbef9cf79513b916b6996117eba902f73e24fc0f5ba41f81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7245e1094c0e99fa7a3e216fe85e33b84622cb8db7dd37c6da0b7f944c5bee50
[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" "7245e1094c0e99fa7a3e216fe85e33b84622cb8db7dd37c6da0b7f944c5bee50", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[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 syn v0.15.44
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.99s
[INFO] running `Command { std: "docker" "inspect" "7245e1094c0e99fa7a3e216fe85e33b84622cb8db7dd37c6da0b7f944c5bee50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7245e1094c0e99fa7a3e216fe85e33b84622cb8db7dd37c6da0b7f944c5bee50", kill_on_drop: false }`
[INFO] [stdout] 7245e1094c0e99fa7a3e216fe85e33b84622cb8db7dd37c6da0b7f944c5bee50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b18fd99f9f86e3abd809c5e585ef3b2ffc8c0223e66847e78d09cc07a59f846
[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" "4b18fd99f9f86e3abd809c5e585ef3b2ffc8c0223e66847e78d09cc07a59f846", 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 7 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "4b18fd99f9f86e3abd809c5e585ef3b2ffc8c0223e66847e78d09cc07a59f846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b18fd99f9f86e3abd809c5e585ef3b2ffc8c0223e66847e78d09cc07a59f846", kill_on_drop: false }`
[INFO] [stdout] 4b18fd99f9f86e3abd809c5e585ef3b2ffc8c0223e66847e78d09cc07a59f846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32f116736a71b9d695d0c938819ed293942c07a7bfa6ed758ad20046dd8497c7
[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" "32f116736a71b9d695d0c938819ed293942c07a7bfa6ed758ad20046dd8497c7", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 | /         ( sym(b'#').map(|_| Type::Int) |
[INFO] [stderr] 154 | |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stderr] 155 | |           ty_flag() |
[INFO] [stderr] 156 | |           ty_generic() |
[INFO] [stderr] 157 | |           dotted_ident().map(Type::Named)
[INFO] [stderr] 158 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 153 |         sym(b'#').map(|_| Type::Int) |
[INFO] [stderr] 154 |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stderr] 155 |           ty_flag() |
[INFO] [stderr] 156 |           ty_generic() |
[INFO] [stderr] 157 |           dotted_ident().map(Type::Named)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 | /         (space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stderr] 164 | |          ty())
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 |         space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stderr] 164 |          ty()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         ( repeated_field() |
[INFO] [stderr] 181 | |           base_field() |
[INFO] [stderr] 182 | |           ty().map(|ty| Field { name: None, ty: ty }))
[INFO] [stderr]     | |______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 |         repeated_field() |
[INFO] [stderr] 181 |           base_field() |
[INFO] [stderr] 182 |           ty().map(|ty| Field { name: None, ty: ty })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 | /         ( seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stderr] 221 | |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stderr] 222 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 220 |         seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stderr] 221 |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1548:59
[INFO] [stderr]      |
[INFO] [stderr] 1548 |     fn constructors_and_tl_ids<'this>(&'this self) -> Box<'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>> {
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:440:35
[INFO] [stderr]     |
[INFO] [stderr] 440 |                 Item::Constructor(mut c) => {
[INFO] [stderr]     |                                   ----^
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:465:17
[INFO] [stderr]     |
[INFO] [stderr] 465 |             let mut cs = cs.resolve(&resolve_map);
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 | /         ( sym(b'#').map(|_| Type::Int) |
[INFO] [stderr] 154 | |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stderr] 155 | |           ty_flag() |
[INFO] [stderr] 156 | |           ty_generic() |
[INFO] [stderr] 157 | |           dotted_ident().map(Type::Named)
[INFO] [stderr] 158 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 153 |         sym(b'#').map(|_| Type::Int) |
[INFO] [stderr] 154 |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stderr] 155 |           ty_flag() |
[INFO] [stderr] 156 |           ty_generic() |
[INFO] [stderr] 157 |           dotted_ident().map(Type::Named)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 | /         (space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stderr] 164 | |          ty())
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 |         space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stderr] 164 |          ty()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         ( repeated_field() |
[INFO] [stderr] 181 | |           base_field() |
[INFO] [stderr] 182 | |           ty().map(|ty| Field { name: None, ty: ty }))
[INFO] [stderr]     | |______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 |         repeated_field() |
[INFO] [stderr] 181 |           base_field() |
[INFO] [stderr] 182 |           ty().map(|ty| Field { name: None, ty: ty })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/lib.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 | /         ( seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stderr] 221 | |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stderr] 222 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 220 |         seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stderr] 221 |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1548:59
[INFO] [stderr]      |
[INFO] [stderr] 1548 |     fn constructors_and_tl_ids<'this>(&'this self) -> Box<'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>> {
[INFO] [stderr]      |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'this + Iterator<Item = (quote::Tokens, &'this Constructor<TypeIR, FieldIR>)>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:440:35
[INFO] [stderr]     |
[INFO] [stderr] 440 |                 Item::Constructor(mut c) => {
[INFO] [stderr]     |                                   ----^
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:465:17
[INFO] [stderr]     |
[INFO] [stderr] 465 |             let mut cs = cs.resolve(&resolve_map);
[INFO] [stderr]     |                 ----^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/clacks_tl_codegen-da5ed8f29d20913f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/codegen_test-325f2a726979b830)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clacks_tl_codegen
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:153:9
[INFO] [stderr]     |
[INFO] [stderr] 153 | /         ( sym(b'#').map(|_| Type::Int) |
[INFO] [stderr] 154 | |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stderr] 155 | |           ty_flag() |
[INFO] [stderr] 156 | |           ty_generic() |
[INFO] [stderr] 157 | |           dotted_ident().map(Type::Named)
[INFO] [stderr] 158 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 153 |         sym(b'#').map(|_| Type::Int) |
[INFO] [stderr] 154 |           sym(b'!') * ident().map(Type::TypeParameter) |
[INFO] [stderr] 155 |           ty_flag() |
[INFO] [stderr] 156 |           ty_generic() |
[INFO] [stderr] 157 |           dotted_ident().map(Type::Named)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 | /         (space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stderr] 164 | |          ty())
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 163 |         space_generic.map(|(name, ty)| Type::Generic(name, Box::new(ty))) |
[INFO] [stderr] 164 |          ty()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 | /         ( repeated_field() |
[INFO] [stderr] 181 | |           base_field() |
[INFO] [stderr] 182 | |           ty().map(|ty| Field { name: None, ty: ty }))
[INFO] [stderr]     | |______________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 |         repeated_field() |
[INFO] [stderr] 181 |           base_field() |
[INFO] [stderr] 182 |           ty().map(|ty| Field { name: None, ty: ty })
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 | /         ( seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stderr] 221 | |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stderr] 222 | |         )
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 220 |         seq(b"---types---").map(|_| Delimiter::Types) |
[INFO] [stderr] 221 |           seq(b"---functions---").map(|_| Delimiter::Functions)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32f116736a71b9d695d0c938819ed293942c07a7bfa6ed758ad20046dd8497c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f116736a71b9d695d0c938819ed293942c07a7bfa6ed758ad20046dd8497c7", kill_on_drop: false }`
[INFO] [stdout] 32f116736a71b9d695d0c938819ed293942c07a7bfa6ed758ad20046dd8497c7