[INFO] fetching crate clacks_tl_codegen 0.0.5... [INFO] checking clacks_tl_codegen-0.0.5 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] extracting crate clacks_tl_codegen 0.0.5 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate clacks_tl_codegen 0.0.5 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e8b4dbdf5c1181e07ad7e2e0aea9fc60f8b254e14e5b6b6d321f95ed68a307e [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" "6e8b4dbdf5c1181e07ad7e2e0aea9fc60f8b254e14e5b6b6d321f95ed68a307e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e8b4dbdf5c1181e07ad7e2e0aea9fc60f8b254e14e5b6b6d321f95ed68a307e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e8b4dbdf5c1181e07ad7e2e0aea9fc60f8b254e14e5b6b6d321f95ed68a307e", kill_on_drop: false }` [INFO] [stdout] 6e8b4dbdf5c1181e07ad7e2e0aea9fc60f8b254e14e5b6b6d321f95ed68a307e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9e56e61dd2682160b8276a9ff7989e2b7a34bbe7b632adb80ad8f97e15e880c [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" "b9e56e61dd2682160b8276a9ff7989e2b7a34bbe7b632adb80ad8f97e15e880c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking unicode-xid v0.1.0 [INFO] [stderr] Checking pom v1.1.0 [INFO] [stderr] Checking proc-macro2 v0.3.8 [INFO] [stderr] Checking quote v0.5.2 [INFO] [stderr] Checking syn v0.13.11 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Checking 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)>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'this + Iterator)>` [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 issue #80165 [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)>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'this + Iterator)>` [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 issue #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: 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.81s [INFO] running `Command { std: "docker" "inspect" "b9e56e61dd2682160b8276a9ff7989e2b7a34bbe7b632adb80ad8f97e15e880c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9e56e61dd2682160b8276a9ff7989e2b7a34bbe7b632adb80ad8f97e15e880c", kill_on_drop: false }` [INFO] [stdout] b9e56e61dd2682160b8276a9ff7989e2b7a34bbe7b632adb80ad8f97e15e880c