[INFO] fetching crate clacks_tl_codegen 0.0.5... [INFO] checking clacks_tl_codegen-0.0.5 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] extracting crate clacks_tl_codegen 0.0.5 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate clacks_tl_codegen 0.0.5 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syntex_pos v0.59.1 [INFO] [stderr] Downloaded extprim v1.7.1 [INFO] [stderr] Downloaded strings v0.1.1 [INFO] [stderr] Downloaded syntex_syntax v0.59.1 [INFO] [stderr] Downloaded rustfmt v0.10.0 [INFO] [stderr] Downloaded syntex_errors v0.59.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ce880da0bd44b7e3b3d5b49068211a2a3e7173338d3f287f7364450510ddac6b [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" "ce880da0bd44b7e3b3d5b49068211a2a3e7173338d3f287f7364450510ddac6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce880da0bd44b7e3b3d5b49068211a2a3e7173338d3f287f7364450510ddac6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce880da0bd44b7e3b3d5b49068211a2a3e7173338d3f287f7364450510ddac6b", kill_on_drop: false }` [INFO] [stdout] ce880da0bd44b7e3b3d5b49068211a2a3e7173338d3f287f7364450510ddac6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 05618560081ad155ef296f3f1a012ad91a5704c8fe598aef097d61b1ee7dfa91 [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" "05618560081ad155ef296f3f1a012ad91a5704c8fe598aef097d61b1ee7dfa91", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [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 quote v0.6.13 [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] | ^^ [INFO] [stdout] ... [INFO] [stdout] 157 | dotted_ident().map(Type::Named) [INFO] [stdout] | __________________________________________^ [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] | ^ [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] | ^^ [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] | ^^ [INFO] [stdout] 221 | seq(b"---functions---").map(|_| Delimiter::Functions) [INFO] [stdout] | ________________________________________________________________^ [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 [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] | ^^ [INFO] [stdout] ... [INFO] [stdout] 157 | dotted_ident().map(Type::Named) [INFO] [stdout] | __________________________________________^ [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] | ^ [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] | ^^ [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] | ^^ [INFO] [stdout] 221 | seq(b"---functions---").map(|_| Delimiter::Functions) [INFO] [stdout] | ________________________________________________________________^ [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 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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: 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 19.68s [INFO] running `Command { std: "docker" "inspect" "05618560081ad155ef296f3f1a012ad91a5704c8fe598aef097d61b1ee7dfa91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05618560081ad155ef296f3f1a012ad91a5704c8fe598aef097d61b1ee7dfa91", kill_on_drop: false }` [INFO] [stdout] 05618560081ad155ef296f3f1a012ad91a5704c8fe598aef097d61b1ee7dfa91