Dec 18 14:50:14.297 INFO checking jam_derive-0.0.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 18 14:50:14.297 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/jam_derive/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"` Dec 18 14:50:14.460 INFO [stdout] d74803ffdfe1fc7be1217fcddc43a82713d78ef3aa762d78b7ebb1963f240583 Dec 18 14:50:14.462 INFO running `"docker" "start" "-a" "d74803ffdfe1fc7be1217fcddc43a82713d78ef3aa762d78b7ebb1963f240583"` Dec 18 14:50:15.138 INFO [stderr] Checking jam_derive v0.0.1 (/opt/crater/workdir) Dec 18 14:50:15.412 INFO [stderr] warning: unused imports: `Item`, `parse_items` Dec 18 14:50:15.412 INFO [stderr] --> src/lib.rs:46:11 Dec 18 14:50:15.412 INFO [stderr] | Dec 18 14:50:15.412 INFO [stderr] 46 | use syn::{Item, parse_items}; Dec 18 14:50:15.412 INFO [stderr] | ^^^^ ^^^^^^^^^^^ Dec 18 14:50:15.412 INFO [stderr] | Dec 18 14:50:15.412 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 18 14:50:15.412 INFO [stderr] Dec 18 14:50:15.412 INFO [stderr] warning: unused import: `TokenTree` Dec 18 14:50:15.412 INFO [stderr] --> src/lib.rs:47:18 Dec 18 14:50:15.412 INFO [stderr] | Dec 18 14:50:15.412 INFO [stderr] 47 | use syn::{Field, TokenTree, Variant, Ident, ItemKind, VariantData, Ty, Pat, Mutability, BindingMode}; Dec 18 14:50:15.412 INFO [stderr] | ^^^^^^^^^ Dec 18 14:50:15.412 INFO [stderr] Dec 18 14:50:15.449 INFO [stderr] warning: unused imports: `Item`, `parse_items` Dec 18 14:50:15.449 INFO [stderr] --> src/lib.rs:46:11 Dec 18 14:50:15.449 INFO [stderr] | Dec 18 14:50:15.449 INFO [stderr] 46 | use syn::{Item, parse_items}; Dec 18 14:50:15.449 INFO [stderr] | ^^^^ ^^^^^^^^^^^ Dec 18 14:50:15.449 INFO [stderr] | Dec 18 14:50:15.449 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 18 14:50:15.449 INFO [stderr] Dec 18 14:50:15.449 INFO [stderr] warning: unused import: `TokenTree` Dec 18 14:50:15.449 INFO [stderr] --> src/lib.rs:47:18 Dec 18 14:50:15.449 INFO [stderr] | Dec 18 14:50:15.449 INFO [stderr] 47 | use syn::{Field, TokenTree, Variant, Ident, ItemKind, VariantData, Ty, Pat, Mutability, BindingMode}; Dec 18 14:50:15.449 INFO [stderr] | ^^^^^^^^^ Dec 18 14:50:15.449 INFO [stderr] Dec 18 14:50:15.507 INFO [stderr] warning: unused variable: `node` Dec 18 14:50:15.507 INFO [stderr] --> src/lib.rs:236:13 Dec 18 14:50:15.507 INFO [stderr] | Dec 18 14:50:15.507 INFO [stderr] 236 | let node = elms.node; Dec 18 14:50:15.507 INFO [stderr] | ^^^^ help: consider using `_node` instead Dec 18 14:50:15.507 INFO [stderr] | Dec 18 14:50:15.507 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 14:50:15.507 INFO [stderr] Dec 18 14:50:15.507 INFO [stderr] warning: unused variable: `attrs` Dec 18 14:50:15.507 INFO [stderr] --> src/lib.rs:291:69 Dec 18 14:50:15.507 INFO [stderr] | Dec 18 14:50:15.507 INFO [stderr] 291 | if let Some(syn::ConstExpr::Other(syn::Expr { ref node, ref attrs })) = first_variant.discriminant { Dec 18 14:50:15.507 INFO [stderr] | ^^^^^ help: try ignoring the field: `attrs: _` Dec 18 14:50:15.507 INFO [stderr] Dec 18 14:50:15.507 INFO [stderr] warning: unused variable: `attrs` Dec 18 14:50:15.507 INFO [stderr] --> src/lib.rs:293:48 Dec 18 14:50:15.507 INFO [stderr] | Dec 18 14:50:15.507 INFO [stderr] 293 | let &syn::Expr { ref node, ref attrs} = expr.as_ref(); Dec 18 14:50:15.508 INFO [stderr] | ^^^^^ help: try ignoring the field: `attrs: _` Dec 18 14:50:15.508 INFO [stderr] Dec 18 14:50:15.508 INFO [stderr] warning: unused variable: `attrs` Dec 18 14:50:15.508 INFO [stderr] --> src/lib.rs:296:52 Dec 18 14:50:15.508 INFO [stderr] | Dec 18 14:50:15.508 INFO [stderr] 296 | let &syn::Expr { ref node, ref attrs} = exprs.first().unwrap(); Dec 18 14:50:15.508 INFO [stderr] | ^^^^^ help: try ignoring the field: `attrs: _` Dec 18 14:50:15.508 INFO [stderr] Dec 18 14:50:15.508 INFO [stderr] warning: unused variable: `path` Dec 18 14:50:15.508 INFO [stderr] --> src/lib.rs:298:63 Dec 18 14:50:15.508 INFO [stderr] | Dec 18 14:50:15.508 INFO [stderr] 298 | if let &syn::ExprKind::Mac(syn::Mac { ref path, ref tts }) = node { Dec 18 14:50:15.508 INFO [stderr] | ^^^^ help: try ignoring the field: `path: _` Dec 18 14:50:15.508 INFO [stderr] Dec 18 14:50:15.546 INFO [stderr] warning: variant is never constructed: `IdentNotFound` Dec 18 14:50:15.546 INFO [stderr] --> src/lib.rs:55:5 Dec 18 14:50:15.546 INFO [stderr] | Dec 18 14:50:15.546 INFO [stderr] 55 | IdentNotFound, Dec 18 14:50:15.546 INFO [stderr] | ^^^^^^^^^^^^^ Dec 18 14:50:15.546 INFO [stderr] | Dec 18 14:50:15.546 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 14:50:15.546 INFO [stderr] Dec 18 14:50:15.546 INFO [stderr] warning: function is never used: `main` Dec 18 14:50:15.546 INFO [stderr] --> src/lib.rs:326:1 Dec 18 14:50:15.546 INFO [stderr] | Dec 18 14:50:15.546 INFO [stderr] 326 | fn main() { Dec 18 14:50:15.546 INFO [stderr] | ^^^^^^^^^ Dec 18 14:50:15.546 INFO [stderr] warning: unused variable: `node` Dec 18 14:50:15.546 INFO [stderr] Dec 18 14:50:15.547 INFO [stderr] --> src/lib.rs:236:13 Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] 236 | let node = elms.node; Dec 18 14:50:15.547 INFO [stderr] | ^^^^ help: consider using `_node` instead Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 18 14:50:15.547 INFO [stderr] Dec 18 14:50:15.547 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable Dec 18 14:50:15.547 INFO [stderr] --> src/lib.rs:34:12 Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] 34 | #![feature(proc_macro, proc_macro_lib)] Dec 18 14:50:15.547 INFO [stderr] | ^^^^^^^^^^ Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 18 14:50:15.547 INFO [stderr] Dec 18 14:50:15.547 INFO [stderr] warning: unused variable: `attrs` Dec 18 14:50:15.547 INFO [stderr] --> src/lib.rs:291:69 Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] 291 | if let Some(syn::ConstExpr::Other(syn::Expr { ref node, ref attrs })) = first_variant.discriminant { Dec 18 14:50:15.547 INFO [stderr] | ^^^^^ help: try ignoring the field: `attrs: _` Dec 18 14:50:15.547 INFO [stderr] Dec 18 14:50:15.547 INFO [stderr] warning: unused variable: `attrs` Dec 18 14:50:15.547 INFO [stderr] --> src/lib.rs:293:48 Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] 293 | let &syn::Expr { ref node, ref attrs} = expr.as_ref(); Dec 18 14:50:15.547 INFO [stderr] | ^^^^^ help: try ignoring the field: `attrs: _` Dec 18 14:50:15.547 INFO [stderr] Dec 18 14:50:15.547 INFO [stderr] warning: unused variable: `attrs` Dec 18 14:50:15.547 INFO [stderr] --> src/lib.rs:296:52 Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] 296 | let &syn::Expr { ref node, ref attrs} = exprs.first().unwrap(); Dec 18 14:50:15.547 INFO [stderr] | ^^^^^ help: try ignoring the field: `attrs: _` Dec 18 14:50:15.547 INFO [stderr] Dec 18 14:50:15.547 INFO [stderr] warning: unused variable: `path` Dec 18 14:50:15.547 INFO [stderr] --> src/lib.rs:298:63 Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] 298 | if let &syn::ExprKind::Mac(syn::Mac { ref path, ref tts }) = node { Dec 18 14:50:15.547 INFO [stderr] | ^^^^ help: try ignoring the field: `path: _` Dec 18 14:50:15.547 INFO [stderr] Dec 18 14:50:15.547 INFO [stderr] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable Dec 18 14:50:15.547 INFO [stderr] --> src/lib.rs:34:24 Dec 18 14:50:15.547 INFO [stderr] | Dec 18 14:50:15.547 INFO [stderr] 34 | #![feature(proc_macro, proc_macro_lib)] Dec 18 14:50:15.547 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 18 14:50:15.547 INFO [stderr] Dec 18 14:50:15.556 INFO [stderr] warning: the `segments:` in this pattern is redundant Dec 18 14:50:15.556 INFO [stderr] --> src/lib.rs:102:59 Dec 18 14:50:15.556 INFO [stderr] | Dec 18 14:50:15.556 INFO [stderr] 102 | if let Ty::Path(_, syn::Path { global: _, segments: ref segments}) = field.ty { Dec 18 14:50:15.556 INFO [stderr] | ---------^^^^^^^^^^^^^ Dec 18 14:50:15.556 INFO [stderr] | | Dec 18 14:50:15.556 INFO [stderr] | help: remove this Dec 18 14:50:15.556 INFO [stderr] | Dec 18 14:50:15.556 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 18 14:50:15.556 INFO [stderr] Dec 18 14:50:15.556 INFO [stderr] warning: the `ident:` in this pattern is redundant Dec 18 14:50:15.556 INFO [stderr] --> src/lib.rs:103:53 Dec 18 14:50:15.556 INFO [stderr] | Dec 18 14:50:15.556 INFO [stderr] 103 | if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() { Dec 18 14:50:15.556 INFO [stderr] | ------^^^^^^^^^^ Dec 18 14:50:15.556 INFO [stderr] | | Dec 18 14:50:15.556 INFO [stderr] | help: remove this Dec 18 14:50:15.556 INFO [stderr] Dec 18 14:50:15.556 INFO [stderr] warning: the `segments:` in this pattern is redundant Dec 18 14:50:15.556 INFO [stderr] --> src/lib.rs:122:44 Dec 18 14:50:15.556 INFO [stderr] | Dec 18 14:50:15.556 INFO [stderr] 122 | if let Some(syn::Path { global: _, segments: segments }) = path { Dec 18 14:50:15.556 INFO [stderr] | ---------^^^^^^^^^ Dec 18 14:50:15.556 INFO [stderr] | | Dec 18 14:50:15.556 INFO [stderr] | help: remove this Dec 18 14:50:15.556 INFO [stderr] Dec 18 14:50:15.556 INFO [stderr] warning: the `ident:` in this pattern is redundant Dec 18 14:50:15.556 INFO [stderr] --> src/lib.rs:123:45 Dec 18 14:50:15.556 INFO [stderr] | Dec 18 14:50:15.556 INFO [stderr] 123 | if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() { Dec 18 14:50:15.556 INFO [stderr] | ------^^^^^^^^^^ Dec 18 14:50:15.556 INFO [stderr] | | Dec 18 14:50:15.556 INFO [stderr] | help: remove this Dec 18 14:50:15.556 INFO [stderr] Dec 18 14:50:15.556 INFO [stderr] warning: the `segments:` in this pattern is redundant Dec 18 14:50:15.556 INFO [stderr] --> src/lib.rs:130:51 Dec 18 14:50:15.556 INFO [stderr] | Dec 18 14:50:15.556 INFO [stderr] 130 | if let Ty::Path(_, syn::Path { global: _, segments: segments}) = *ty { Dec 18 14:50:15.556 INFO [stderr] | ---------^^^^^^^^^ Dec 18 14:50:15.556 INFO [stderr] | | Dec 18 14:50:15.556 INFO [stderr] | help: remove this Dec 18 14:50:15.556 INFO [stderr] Dec 18 14:50:15.556 INFO [stderr] warning: the `ident:` in this pattern is redundant Dec 18 14:50:15.556 INFO [stderr] --> src/lib.rs:131:45 Dec 18 14:50:15.556 INFO [stderr] | Dec 18 14:50:15.556 INFO [stderr] 131 | if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() { Dec 18 14:50:15.556 INFO [stderr] | ------^^^^^^^^^^ Dec 18 14:50:15.556 INFO [stderr] | | Dec 18 14:50:15.556 INFO [stderr] | help: remove this Dec 18 14:50:15.556 INFO [stderr] Dec 18 14:50:15.556 INFO [stderr] warning: the `segments:` in this pattern is redundant Dec 18 14:50:15.556 INFO [stderr] --> src/lib.rs:167:67 Dec 18 14:50:15.556 INFO [stderr] | Dec 18 14:50:15.556 INFO [stderr] 167 | if let Ty::Path(_, syn::Path { global: _, segments: segments}) = ty.clone() { Dec 18 14:50:15.556 INFO [stderr] | ---------^^^^^^^^^ Dec 18 14:50:15.556 INFO [stderr] | | Dec 18 14:50:15.556 INFO [stderr] | help: remove this Dec 18 14:50:15.556 INFO [stderr] Dec 18 14:50:15.582 INFO [stderr] warning: variant is never constructed: `IdentNotFound` Dec 18 14:50:15.582 INFO [stderr] --> src/lib.rs:55:5 Dec 18 14:50:15.582 INFO [stderr] | Dec 18 14:50:15.582 INFO [stderr] 55 | IdentNotFound, Dec 18 14:50:15.582 INFO [stderr] | ^^^^^^^^^^^^^ Dec 18 14:50:15.582 INFO [stderr] | Dec 18 14:50:15.582 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 18 14:50:15.582 INFO [stderr] Dec 18 14:50:15.583 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable Dec 18 14:50:15.583 INFO [stderr] --> src/lib.rs:34:12 Dec 18 14:50:15.583 INFO [stderr] | Dec 18 14:50:15.583 INFO [stderr] 34 | #![feature(proc_macro, proc_macro_lib)] Dec 18 14:50:15.583 INFO [stderr] | ^^^^^^^^^^ Dec 18 14:50:15.583 INFO [stderr] | Dec 18 14:50:15.583 INFO [stderr] = note: #[warn(stable_features)] on by default Dec 18 14:50:15.583 INFO [stderr] Dec 18 14:50:15.583 INFO [stderr] warning: the feature `proc_macro_lib` has been stable since 1.15.0 and no longer requires an attribute to enable Dec 18 14:50:15.583 INFO [stderr] --> src/lib.rs:34:24 Dec 18 14:50:15.583 INFO [stderr] | Dec 18 14:50:15.583 INFO [stderr] 34 | #![feature(proc_macro, proc_macro_lib)] Dec 18 14:50:15.583 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 18 14:50:15.583 INFO [stderr] Dec 18 14:50:15.594 INFO [stderr] warning: the `segments:` in this pattern is redundant Dec 18 14:50:15.594 INFO [stderr] --> src/lib.rs:102:59 Dec 18 14:50:15.594 INFO [stderr] | Dec 18 14:50:15.594 INFO [stderr] 102 | if let Ty::Path(_, syn::Path { global: _, segments: ref segments}) = field.ty { Dec 18 14:50:15.594 INFO [stderr] | ---------^^^^^^^^^^^^^ Dec 18 14:50:15.594 INFO [stderr] | | Dec 18 14:50:15.594 INFO [stderr] | help: remove this Dec 18 14:50:15.594 INFO [stderr] | Dec 18 14:50:15.594 INFO [stderr] = note: #[warn(non_shorthand_field_patterns)] on by default Dec 18 14:50:15.594 INFO [stderr] Dec 18 14:50:15.594 INFO [stderr] warning: the `ident:` in this pattern is redundant Dec 18 14:50:15.594 INFO [stderr] --> src/lib.rs:103:53 Dec 18 14:50:15.594 INFO [stderr] | Dec 18 14:50:15.594 INFO [stderr] 103 | if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() { Dec 18 14:50:15.594 INFO [stderr] | ------^^^^^^^^^^ Dec 18 14:50:15.595 INFO [stderr] | | Dec 18 14:50:15.595 INFO [stderr] | help: remove this Dec 18 14:50:15.595 INFO [stderr] Dec 18 14:50:15.595 INFO [stderr] warning: the `segments:` in this pattern is redundant Dec 18 14:50:15.595 INFO [stderr] --> src/lib.rs:122:44 Dec 18 14:50:15.595 INFO [stderr] | Dec 18 14:50:15.595 INFO [stderr] 122 | if let Some(syn::Path { global: _, segments: segments }) = path { Dec 18 14:50:15.595 INFO [stderr] | ---------^^^^^^^^^ Dec 18 14:50:15.595 INFO [stderr] | | Dec 18 14:50:15.595 INFO [stderr] | help: remove this Dec 18 14:50:15.595 INFO [stderr] Dec 18 14:50:15.595 INFO [stderr] warning: the `ident:` in this pattern is redundant Dec 18 14:50:15.595 INFO [stderr] --> src/lib.rs:123:45 Dec 18 14:50:15.595 INFO [stderr] | Dec 18 14:50:15.595 INFO [stderr] 123 | if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() { Dec 18 14:50:15.595 INFO [stderr] | ------^^^^^^^^^^ Dec 18 14:50:15.595 INFO [stderr] | | Dec 18 14:50:15.595 INFO [stderr] | help: remove this Dec 18 14:50:15.595 INFO [stderr] Dec 18 14:50:15.595 INFO [stderr] warning: the `segments:` in this pattern is redundant Dec 18 14:50:15.595 INFO [stderr] --> src/lib.rs:130:51 Dec 18 14:50:15.595 INFO [stderr] | Dec 18 14:50:15.595 INFO [stderr] 130 | if let Ty::Path(_, syn::Path { global: _, segments: segments}) = *ty { Dec 18 14:50:15.595 INFO [stderr] | ---------^^^^^^^^^ Dec 18 14:50:15.595 INFO [stderr] | | Dec 18 14:50:15.595 INFO [stderr] | help: remove this Dec 18 14:50:15.595 INFO [stderr] Dec 18 14:50:15.595 INFO [stderr] warning: the `ident:` in this pattern is redundant Dec 18 14:50:15.595 INFO [stderr] --> src/lib.rs:131:45 Dec 18 14:50:15.595 INFO [stderr] | Dec 18 14:50:15.595 INFO [stderr] 131 | if let Some(&syn::PathSegment { ident: ref ident, parameters: _ }) = segments.last() { Dec 18 14:50:15.595 INFO [stderr] | ------^^^^^^^^^^ Dec 18 14:50:15.595 INFO [stderr] | | Dec 18 14:50:15.595 INFO [stderr] | help: remove this Dec 18 14:50:15.595 INFO [stderr] Dec 18 14:50:15.595 INFO [stderr] warning: the `segments:` in this pattern is redundant Dec 18 14:50:15.595 INFO [stderr] --> src/lib.rs:167:67 Dec 18 14:50:15.595 INFO [stderr] | Dec 18 14:50:15.595 INFO [stderr] 167 | if let Ty::Path(_, syn::Path { global: _, segments: segments}) = ty.clone() { Dec 18 14:50:15.595 INFO [stderr] | ---------^^^^^^^^^ Dec 18 14:50:15.595 INFO [stderr] | | Dec 18 14:50:15.595 INFO [stderr] | help: remove this Dec 18 14:50:15.595 INFO [stderr] Dec 18 14:50:15.626 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s Dec 18 14:50:15.913 INFO running `"docker" "inspect" "d74803ffdfe1fc7be1217fcddc43a82713d78ef3aa762d78b7ebb1963f240583"` Dec 18 14:50:16.124 INFO running `"docker" "rm" "-f" "d74803ffdfe1fc7be1217fcddc43a82713d78ef3aa762d78b7ebb1963f240583"` Dec 18 14:50:16.246 INFO [stdout] d74803ffdfe1fc7be1217fcddc43a82713d78ef3aa762d78b7ebb1963f240583