Sep 10 08:09:30.095 INFO checking syntex_syntax-0.58.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090 Sep 10 08:09:30.095 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets Sep 10 08:09:30.095 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"` Sep 10 08:09:30.226 INFO blam! be5df1be26e1e381a3683b5540d637cfe3ae88c2f149361770152ee4a4d5726e Sep 10 08:09:30.226 INFO running `"docker" "start" "-a" "be5df1be26e1e381a3683b5540d637cfe3ae88c2f149361770152ee4a4d5726e"` Sep 10 08:09:30.986 INFO kablam! usermod: no changes Sep 10 08:09:31.029 INFO kablam! Checking syntex_syntax v0.58.1 (file:///source) Sep 10 08:09:36.310 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.310 INFO kablam! --> src/symbol.rs:146:27 Sep 10 08:09:36.310 INFO kablam! | Sep 10 08:09:36.310 INFO kablam! 146 | name: ast::Name($index), Sep 10 08:09:36.310 INFO kablam! | ^^^^^^^^^ Sep 10 08:09:36.310 INFO kablam! ... Sep 10 08:09:36.310 INFO kablam! 165 | / declare_keywords! { Sep 10 08:09:36.310 INFO kablam! 166 | | // Invalid identifier Sep 10 08:09:36.310 INFO kablam! 167 | | (0, Invalid, "") Sep 10 08:09:36.310 INFO kablam! 168 | | Sep 10 08:09:36.310 INFO kablam! ... | Sep 10 08:09:36.310 INFO kablam! 231 | | (56, CrateRoot, "{{root}}") Sep 10 08:09:36.310 INFO kablam! 232 | | } Sep 10 08:09:36.310 INFO kablam! | |_- in this macro invocation Sep 10 08:09:36.310 INFO kablam! | Sep 10 08:09:36.310 INFO kablam! = note: #[warn(legacy_constructor_visibility)] on by default Sep 10 08:09:36.310 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.310 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.310 INFO kablam! Sep 10 08:09:36.310 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.310 INFO kablam! --> src/symbol.rs:146:27 Sep 10 08:09:36.310 INFO kablam! | Sep 10 08:09:36.310 INFO kablam! 146 | name: ast::Name($index), Sep 10 08:09:36.310 INFO kablam! | ^^^^^^^^^ Sep 10 08:09:36.310 INFO kablam! ... Sep 10 08:09:36.310 INFO kablam! 165 | / declare_keywords! { Sep 10 08:09:36.310 INFO kablam! 166 | | // Invalid identifier Sep 10 08:09:36.310 INFO kablam! 167 | | (0, Invalid, "") Sep 10 08:09:36.310 INFO kablam! 168 | | Sep 10 08:09:36.310 INFO kablam! ... | Sep 10 08:09:36.310 INFO kablam! 231 | | (56, CrateRoot, "{{root}}") Sep 10 08:09:36.310 INFO kablam! 232 | | } Sep 10 08:09:36.310 INFO kablam! | |_- in this macro invocation Sep 10 08:09:36.310 INFO kablam! | Sep 10 08:09:36.310 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.310 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.311 INFO kablam! Sep 10 08:09:36.782 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead Sep 10 08:09:36.782 INFO kablam! --> src/feature_gate.rs:38:5 Sep 10 08:09:36.782 INFO kablam! | Sep 10 08:09:36.782 INFO kablam! 38 | use std::ascii::AsciiExt; Sep 10 08:09:36.782 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 10 08:09:36.782 INFO kablam! | Sep 10 08:09:36.782 INFO kablam! note: lint level defined here Sep 10 08:09:36.782 INFO kablam! --> src/lib.rs:23:9 Sep 10 08:09:36.782 INFO kablam! | Sep 10 08:09:36.782 INFO kablam! 23 | #![deny(warnings)] Sep 10 08:09:36.782 INFO kablam! | ^^^^^^^^ Sep 10 08:09:36.782 INFO kablam! = note: #[warn(deprecated)] implied by #[warn(warnings)] Sep 10 08:09:36.782 INFO kablam! Sep 10 08:09:36.982 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.982 INFO kablam! --> src/symbol.rs:146:27 Sep 10 08:09:36.982 INFO kablam! | Sep 10 08:09:36.982 INFO kablam! 146 | name: ast::Name($index), Sep 10 08:09:36.982 INFO kablam! | ^^^^^^^^^ Sep 10 08:09:36.982 INFO kablam! ... Sep 10 08:09:36.982 INFO kablam! 165 | / declare_keywords! { Sep 10 08:09:36.982 INFO kablam! 166 | | // Invalid identifier Sep 10 08:09:36.982 INFO kablam! 167 | | (0, Invalid, "") Sep 10 08:09:36.982 INFO kablam! 168 | | Sep 10 08:09:36.982 INFO kablam! ... | Sep 10 08:09:36.982 INFO kablam! 231 | | (56, CrateRoot, "{{root}}") Sep 10 08:09:36.982 INFO kablam! 232 | | } Sep 10 08:09:36.982 INFO kablam! | |_- in this macro invocation Sep 10 08:09:36.982 INFO kablam! | Sep 10 08:09:36.982 INFO kablam! = note: #[warn(legacy_constructor_visibility)] on by default Sep 10 08:09:36.982 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.982 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.982 INFO kablam! Sep 10 08:09:36.982 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.982 INFO kablam! --> src/symbol.rs:146:27 Sep 10 08:09:36.982 INFO kablam! | Sep 10 08:09:36.982 INFO kablam! 146 | name: ast::Name($index), Sep 10 08:09:36.982 INFO kablam! | ^^^^^^^^^ Sep 10 08:09:36.982 INFO kablam! ... Sep 10 08:09:36.982 INFO kablam! 165 | / declare_keywords! { Sep 10 08:09:36.982 INFO kablam! 166 | | // Invalid identifier Sep 10 08:09:36.982 INFO kablam! 167 | | (0, Invalid, "") Sep 10 08:09:36.982 INFO kablam! 168 | | Sep 10 08:09:36.982 INFO kablam! ... | Sep 10 08:09:36.982 INFO kablam! 231 | | (56, CrateRoot, "{{root}}") Sep 10 08:09:36.982 INFO kablam! 232 | | } Sep 10 08:09:36.982 INFO kablam! | |_- in this macro invocation Sep 10 08:09:36.982 INFO kablam! | Sep 10 08:09:36.982 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.982 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.982 INFO kablam! Sep 10 08:09:36.982 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.982 INFO kablam! --> src/symbol.rs:297:37 Sep 10 08:09:36.982 INFO kablam! | Sep 10 08:09:36.982 INFO kablam! 297 | assert_eq!(i.intern("dog"), Name(0)); Sep 10 08:09:36.982 INFO kablam! | ^^^^ Sep 10 08:09:36.982 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.983 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.983 INFO kablam! Sep 10 08:09:36.983 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.983 INFO kablam! --> src/symbol.rs:299:38 Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! 299 | assert_eq!(i.intern ("dog"), Name(0)); Sep 10 08:09:36.983 INFO kablam! | ^^^^ Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.983 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.983 INFO kablam! Sep 10 08:09:36.983 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.983 INFO kablam! --> src/symbol.rs:301:37 Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! 301 | assert_eq!(i.intern("cat"), Name(1)); Sep 10 08:09:36.983 INFO kablam! | ^^^^ Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.983 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.983 INFO kablam! Sep 10 08:09:36.983 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.983 INFO kablam! --> src/symbol.rs:302:37 Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! 302 | assert_eq!(i.intern("cat"), Name(1)); Sep 10 08:09:36.983 INFO kablam! | ^^^^ Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.983 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.983 INFO kablam! Sep 10 08:09:36.983 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.983 INFO kablam! --> src/symbol.rs:304:37 Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! 304 | assert_eq!(i.intern("dog"), Name(0)); Sep 10 08:09:36.983 INFO kablam! | ^^^^ Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.983 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.983 INFO kablam! Sep 10 08:09:36.983 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.983 INFO kablam! --> src/symbol.rs:306:39 Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! 306 | assert_eq!(i.gensym("zebra"), Name(2)); Sep 10 08:09:36.983 INFO kablam! | ^^^^ Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.983 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.983 INFO kablam! Sep 10 08:09:36.983 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.983 INFO kablam! --> src/symbol.rs:308:39 Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! 308 | assert_eq!(i.gensym("zebra"), Name(3)); Sep 10 08:09:36.983 INFO kablam! | ^^^^ Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.983 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.983 INFO kablam! Sep 10 08:09:36.983 INFO kablam! warning: private struct constructors are not usable through re-exports in outer modules Sep 10 08:09:36.983 INFO kablam! --> src/symbol.rs:310:37 Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! 310 | assert_eq!(i.gensym("dog"), Name(4)); Sep 10 08:09:36.983 INFO kablam! | ^^^^ Sep 10 08:09:36.983 INFO kablam! | Sep 10 08:09:36.983 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! Sep 10 08:09:36.983 INFO kablam! = note: for more information, see issue #39207 Sep 10 08:09:36.983 INFO kablam! Sep 10 08:09:37.467 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead Sep 10 08:09:37.468 INFO kablam! --> src/feature_gate.rs:38:5 Sep 10 08:09:37.468 INFO kablam! | Sep 10 08:09:37.468 INFO kablam! 38 | use std::ascii::AsciiExt; Sep 10 08:09:37.468 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 10 08:09:37.468 INFO kablam! | Sep 10 08:09:37.468 INFO kablam! note: lint level defined here Sep 10 08:09:37.468 INFO kablam! --> src/lib.rs:23:9 Sep 10 08:09:37.468 INFO kablam! | Sep 10 08:09:37.468 INFO kablam! 23 | #![deny(warnings)] Sep 10 08:09:37.468 INFO kablam! | ^^^^^^^^ Sep 10 08:09:37.468 INFO kablam! = note: #[warn(deprecated)] implied by #[warn(warnings)] Sep 10 08:09:37.468 INFO kablam! Sep 10 08:09:41.183 INFO kablam! warning: unreachable statement Sep 10 08:09:41.184 INFO kablam! --> src/parse/obsolete.rs:44:9 Sep 10 08:09:41.184 INFO kablam! | Sep 10 08:09:41.184 INFO kablam! 44 | self.report(sp, kind, kind_str, desc, error); Sep 10 08:09:41.184 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 08:09:41.184 INFO kablam! | Sep 10 08:09:41.184 INFO kablam! note: lint level defined here Sep 10 08:09:41.184 INFO kablam! --> src/lib.rs:23:9 Sep 10 08:09:41.184 INFO kablam! | Sep 10 08:09:41.184 INFO kablam! 23 | #![deny(warnings)] Sep 10 08:09:41.184 INFO kablam! | ^^^^^^^^ Sep 10 08:09:41.184 INFO kablam! = note: #[warn(unreachable_code)] implied by #[warn(warnings)] Sep 10 08:09:41.184 INFO kablam! Sep 10 08:09:42.150 INFO kablam! warning: unreachable statement Sep 10 08:09:42.150 INFO kablam! --> src/parse/obsolete.rs:44:9 Sep 10 08:09:42.150 INFO kablam! | Sep 10 08:09:42.150 INFO kablam! 44 | self.report(sp, kind, kind_str, desc, error); Sep 10 08:09:42.150 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 10 08:09:42.150 INFO kablam! | Sep 10 08:09:42.153 INFO kablam! note: lint level defined here Sep 10 08:09:42.153 INFO kablam! --> src/lib.rs:23:9 Sep 10 08:09:42.153 INFO kablam! | Sep 10 08:09:42.153 INFO kablam! 23 | #![deny(warnings)] Sep 10 08:09:42.153 INFO kablam! | ^^^^^^^^ Sep 10 08:09:42.153 INFO kablam! = note: #[warn(unreachable_code)] implied by #[warn(warnings)] Sep 10 08:09:42.153 INFO kablam! Sep 10 08:09:42.826 INFO kablam! warning: unused import: `std::ascii::AsciiExt` Sep 10 08:09:42.826 INFO kablam! --> src/feature_gate.rs:38:5 Sep 10 08:09:42.826 INFO kablam! | Sep 10 08:09:42.826 INFO kablam! 38 | use std::ascii::AsciiExt; Sep 10 08:09:42.826 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 10 08:09:42.826 INFO kablam! | Sep 10 08:09:42.826 INFO kablam! note: lint level defined here Sep 10 08:09:42.826 INFO kablam! --> src/lib.rs:23:9 Sep 10 08:09:42.826 INFO kablam! | Sep 10 08:09:42.826 INFO kablam! 23 | #![deny(warnings)] Sep 10 08:09:42.826 INFO kablam! | ^^^^^^^^ Sep 10 08:09:42.826 INFO kablam! = note: #[warn(unused_imports)] implied by #[warn(warnings)] Sep 10 08:09:42.826 INFO kablam! Sep 10 08:09:44.114 INFO kablam! warning: unused import: `std::ascii::AsciiExt` Sep 10 08:09:44.114 INFO kablam! --> src/feature_gate.rs:38:5 Sep 10 08:09:44.114 INFO kablam! | Sep 10 08:09:44.114 INFO kablam! 38 | use std::ascii::AsciiExt; Sep 10 08:09:44.114 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 10 08:09:44.114 INFO kablam! | Sep 10 08:09:44.114 INFO kablam! note: lint level defined here Sep 10 08:09:44.114 INFO kablam! --> src/lib.rs:23:9 Sep 10 08:09:44.114 INFO kablam! | Sep 10 08:09:44.114 INFO kablam! 23 | #![deny(warnings)] Sep 10 08:09:44.114 INFO kablam! | ^^^^^^^^ Sep 10 08:09:44.114 INFO kablam! = note: #[warn(unused_imports)] implied by #[warn(warnings)] Sep 10 08:09:44.114 INFO kablam! Sep 10 08:09:47.597 INFO kablam! warning: variable does not need to be mutable Sep 10 08:09:47.597 INFO kablam! --> src/ext/tt/macro_parser.rs:204:63 Sep 10 08:09:47.597 INFO kablam! | Sep 10 08:09:47.597 INFO kablam! 204 | fn n_rec>>(m: &TokenTree, mut res: &mut I, Sep 10 08:09:47.597 INFO kablam! | ----^^^ Sep 10 08:09:47.597 INFO kablam! | | Sep 10 08:09:47.597 INFO kablam! | help: remove this `mut` Sep 10 08:09:47.597 INFO kablam! | Sep 10 08:09:47.597 INFO kablam! note: lint level defined here Sep 10 08:09:47.597 INFO kablam! --> src/lib.rs:23:9 Sep 10 08:09:47.597 INFO kablam! | Sep 10 08:09:47.597 INFO kablam! 23 | #![deny(warnings)] Sep 10 08:09:47.597 INFO kablam! | ^^^^^^^^ Sep 10 08:09:47.597 INFO kablam! = note: #[warn(unused_mut)] implied by #[warn(warnings)] Sep 10 08:09:47.597 INFO kablam! Sep 10 08:09:47.612 INFO kablam! warning: variable does not need to be mutable Sep 10 08:09:47.612 INFO kablam! --> src/ext/tt/macro_parser.rs:433:71 Sep 10 08:09:47.612 INFO kablam! | Sep 10 08:09:47.612 INFO kablam! 433 | return nameize(ms, eof_eis[0].matches.iter_mut().map(|mut dv| dv.pop().unwrap())); Sep 10 08:09:47.613 INFO kablam! | ----^^ Sep 10 08:09:47.613 INFO kablam! | | Sep 10 08:09:47.613 INFO kablam! | help: remove this `mut` Sep 10 08:09:47.613 INFO kablam! Sep 10 08:09:49.558 INFO kablam! warning: variable does not need to be mutable Sep 10 08:09:49.558 INFO kablam! --> src/ext/tt/macro_parser.rs:204:63 Sep 10 08:09:49.558 INFO kablam! | Sep 10 08:09:49.558 INFO kablam! 204 | fn n_rec>>(m: &TokenTree, mut res: &mut I, Sep 10 08:09:49.558 INFO kablam! | ----^^^ Sep 10 08:09:49.558 INFO kablam! | | Sep 10 08:09:49.558 INFO kablam! | help: remove this `mut` Sep 10 08:09:49.558 INFO kablam! | Sep 10 08:09:49.558 INFO kablam! note: lint level defined here Sep 10 08:09:49.558 INFO kablam! --> src/lib.rs:23:9 Sep 10 08:09:49.558 INFO kablam! | Sep 10 08:09:49.558 INFO kablam! 23 | #![deny(warnings)] Sep 10 08:09:49.558 INFO kablam! | ^^^^^^^^ Sep 10 08:09:49.558 INFO kablam! = note: #[warn(unused_mut)] implied by #[warn(warnings)] Sep 10 08:09:49.558 INFO kablam! Sep 10 08:09:49.568 INFO kablam! warning: variable does not need to be mutable Sep 10 08:09:49.568 INFO kablam! --> src/ext/tt/macro_parser.rs:433:71 Sep 10 08:09:49.568 INFO kablam! | Sep 10 08:09:49.568 INFO kablam! 433 | return nameize(ms, eof_eis[0].matches.iter_mut().map(|mut dv| dv.pop().unwrap())); Sep 10 08:09:49.568 INFO kablam! | ----^^ Sep 10 08:09:49.568 INFO kablam! | | Sep 10 08:09:49.568 INFO kablam! | help: remove this `mut` Sep 10 08:09:49.568 INFO kablam! Sep 10 08:09:50.163 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 19.16s Sep 10 08:09:50.166 INFO kablam! su: No module specific data is present Sep 10 08:09:50.902 INFO running `"docker" "rm" "-f" "be5df1be26e1e381a3683b5540d637cfe3ae88c2f149361770152ee4a4d5726e"` Sep 10 08:09:51.049 INFO blam! be5df1be26e1e381a3683b5540d637cfe3ae88c2f149361770152ee4a4d5726e