[INFO] fetching crate evitable-syn-meta-ext 0.5.0... [INFO] checking evitable-syn-meta-ext-0.5.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] extracting crate evitable-syn-meta-ext 0.5.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate evitable-syn-meta-ext 0.5.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate evitable-syn-meta-ext 0.5.0 [INFO] finished tweaking crates.io crate evitable-syn-meta-ext 0.5.0 [INFO] tweaked toml for crates.io crate evitable-syn-meta-ext 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 0a28f4a4fb229d630021e70eb2e3d07d5fcaa1c7b9824df64374dd289ef43068 [INFO] running `Command { std: "docker" "start" "-a" "0a28f4a4fb229d630021e70eb2e3d07d5fcaa1c7b9824df64374dd289ef43068", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a28f4a4fb229d630021e70eb2e3d07d5fcaa1c7b9824df64374dd289ef43068", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a28f4a4fb229d630021e70eb2e3d07d5fcaa1c7b9824df64374dd289ef43068", kill_on_drop: false }` [INFO] [stdout] 0a28f4a4fb229d630021e70eb2e3d07d5fcaa1c7b9824df64374dd289ef43068 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1acc29a0b46956c4f876734e6be6ba5e71c0a66a0618eef46ecede955661eb6 [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" "a1acc29a0b46956c4f876734e6be6ba5e71c0a66a0618eef46ecede955661eb6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking ident_case v1.0.1 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Checking evitable-syn-meta-ext v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error/mod.rs:253:30 [INFO] [stdout] | [INFO] [stdout] 253 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error/mod.rs:253:30 [INFO] [stdout] | [INFO] [stdout] 253 | fn cause(&self) -> Option<&StdError> { [INFO] [stdout] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/ast.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attrs` [INFO] [stdout] --> src/from_derive_input.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | attrs: &Vec, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vis` [INFO] [stdout] --> src/from_derive_input.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | vis: &Visibility, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vis` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> src/from_derive_input.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | ident: &Ident, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generics` [INFO] [stdout] --> src/from_derive_input.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | generics: &Generics, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/from_derive_input.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | input: &DataUnion, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attrs` [INFO] [stdout] --> src/from_derive_input.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | attrs: &Vec, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vis` [INFO] [stdout] --> src/from_derive_input.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | vis: &Visibility, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vis` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> src/from_derive_input.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | ident: &Ident, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generics` [INFO] [stdout] --> src/from_derive_input.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | generics: &Generics, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/from_derive_input.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | input: &DataEnum, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attrs` [INFO] [stdout] --> src/from_derive_input.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | attrs: &Vec, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vis` [INFO] [stdout] --> src/from_derive_input.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | vis: &Visibility, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vis` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> src/from_derive_input.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | ident: &Ident, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generics` [INFO] [stdout] --> src/from_derive_input.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | generics: &Generics, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/from_derive_input.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | input: &DataStruct, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/ast.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attrs` [INFO] [stdout] --> src/from_derive_input.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | attrs: &Vec, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vis` [INFO] [stdout] --> src/from_derive_input.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | vis: &Visibility, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vis` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> src/from_derive_input.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | ident: &Ident, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generics` [INFO] [stdout] --> src/from_derive_input.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | generics: &Generics, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/from_derive_input.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | input: &DataUnion, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attrs` [INFO] [stdout] --> src/from_derive_input.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | attrs: &Vec, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vis` [INFO] [stdout] --> src/from_derive_input.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | vis: &Visibility, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vis` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> src/from_derive_input.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | ident: &Ident, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generics` [INFO] [stdout] --> src/from_derive_input.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | generics: &Generics, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/from_derive_input.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | input: &DataEnum, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `attrs` [INFO] [stdout] --> src/from_derive_input.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | attrs: &Vec, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vis` [INFO] [stdout] --> src/from_derive_input.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 49 | vis: &Visibility, [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vis` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> src/from_derive_input.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | ident: &Ident, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `generics` [INFO] [stdout] --> src/from_derive_input.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | generics: &Generics, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> src/from_derive_input.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | input: &DataStruct, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.66s [INFO] running `Command { std: "docker" "inspect" "a1acc29a0b46956c4f876734e6be6ba5e71c0a66a0618eef46ecede955661eb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1acc29a0b46956c4f876734e6be6ba5e71c0a66a0618eef46ecede955661eb6", kill_on_drop: false }` [INFO] [stdout] a1acc29a0b46956c4f876734e6be6ba5e71c0a66a0618eef46ecede955661eb6