[INFO] fetching crate clacks_tl_codegen 0.0.5... [INFO] documenting clacks_tl_codegen-0.0.5 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate clacks_tl_codegen 0.0.5 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate clacks_tl_codegen 0.0.5 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded extprim v1.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 235918bf3bf15e81a0e3a877d5749e2579a78fdbba2e69d92f1bf8091cb83b08 [INFO] running `Command { std: "docker" "start" "-a" "235918bf3bf15e81a0e3a877d5749e2579a78fdbba2e69d92f1bf8091cb83b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "235918bf3bf15e81a0e3a877d5749e2579a78fdbba2e69d92f1bf8091cb83b08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "235918bf3bf15e81a0e3a877d5749e2579a78fdbba2e69d92f1bf8091cb83b08", kill_on_drop: false }` [INFO] [stdout] 235918bf3bf15e81a0e3a877d5749e2579a78fdbba2e69d92f1bf8091cb83b08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a3c8c39c788cd68fc2a3a7fb1cf5fe13b3e7633ba129bffaf57832c7e1c26d3b [INFO] running `Command { std: "docker" "start" "-a" "a3c8c39c788cd68fc2a3a7fb1cf5fe13b3e7633ba129bffaf57832c7e1c26d3b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] Checking clacks_tl_codegen v0.0.5 (/opt/rustwide/workdir) [INFO] [stderr] Documenting 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] [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: 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.17s [INFO] running `Command { std: "docker" "inspect" "a3c8c39c788cd68fc2a3a7fb1cf5fe13b3e7633ba129bffaf57832c7e1c26d3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3c8c39c788cd68fc2a3a7fb1cf5fe13b3e7633ba129bffaf57832c7e1c26d3b", kill_on_drop: false }` [INFO] [stdout] a3c8c39c788cd68fc2a3a7fb1cf5fe13b3e7633ba129bffaf57832c7e1c26d3b