Sep 01 15:56:33.640 INFO checking devcat-studio/kailua against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851 Sep 01 15:56:33.640 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets Sep 01 15:56:33.641 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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=500" "-e" "CMD=cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 01 15:56:33.806 INFO blam! 18bcf1d0aff774823466e09d2f974a5c27b5228e7af3e5eb89a977f15e829c6e Sep 01 15:56:33.807 INFO running `"docker" "start" "-a" "18bcf1d0aff774823466e09d2f974a5c27b5228e7af3e5eb89a977f15e829c6e"` Sep 01 15:56:34.552 INFO kablam! Checking kailua_env v1.0.4 (file:///source/kailua_env) Sep 01 15:56:34.553 INFO kablam! Checking parse-generics-shim v0.1.1 Sep 01 15:56:34.553 INFO kablam! Checking smallvec v0.4.1 Sep 01 15:56:34.554 INFO kablam! Checking atomic v0.3.4 Sep 01 15:56:34.554 INFO kablam! Checking take_mut v0.1.3 Sep 01 15:56:34.557 INFO kablam! Checking owning_ref v0.2.4 Sep 01 15:56:34.557 INFO kablam! Checking memchr v1.0.1 Sep 01 15:56:34.990 INFO kablam! Checking thread-id v3.2.0 Sep 01 15:56:35.313 INFO kablam! Checking tokio-timer v0.1.2 Sep 01 15:56:35.346 INFO kablam! Compiling serde_derive v1.0.10 Sep 01 15:56:35.452 INFO kablam! Checking aho-corasick v0.6.3 Sep 01 15:56:37.319 INFO kablam! Checking kailua_diag v1.0.4 (file:///source/kailua_diag) Sep 01 15:56:37.408 INFO kablam! Checking parking_lot_core v0.2.2 Sep 01 15:56:38.065 INFO kablam! Checking regex v0.2.2 Sep 01 15:56:39.611 INFO kablam! Checking parking_lot v0.4.4 Sep 01 15:56:39.887 INFO kablam! Checking kailua_syntax v1.1.0 (file:///source/kailua_syntax) Sep 01 15:56:44.693 INFO kablam! Checking env_logger v0.4.3 Sep 01 15:56:44.693 INFO kablam! Checking kailua_test v1.0.4 (file:///source/kailua_test) Sep 01 15:56:45.862 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead Sep 01 15:56:45.862 INFO kablam! --> kailua_test/src/lib.rs:159:5 Sep 01 15:56:45.862 INFO kablam! | Sep 01 15:56:45.862 INFO kablam! 159 | use std::ascii::AsciiExt; Sep 01 15:56:45.862 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 15:56:45.870 INFO kablam! | Sep 01 15:56:45.871 INFO kablam! = note: #[warn(deprecated)] on by default Sep 01 15:56:45.871 INFO kablam! Sep 01 15:56:45.890 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead Sep 01 15:56:45.890 INFO kablam! --> kailua_test/src/lib.rs:159:5 Sep 01 15:56:45.890 INFO kablam! | Sep 01 15:56:45.890 INFO kablam! 159 | use std::ascii::AsciiExt; Sep 01 15:56:45.890 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 15:56:45.890 INFO kablam! | Sep 01 15:56:45.890 INFO kablam! = note: #[warn(deprecated)] on by default Sep 01 15:56:45.890 INFO kablam! Sep 01 15:56:46.969 INFO kablam! warning: unused import: `std::ascii::AsciiExt` Sep 01 15:56:46.969 INFO kablam! --> kailua_test/src/lib.rs:159:5 Sep 01 15:56:46.969 INFO kablam! | Sep 01 15:56:46.969 INFO kablam! 159 | use std::ascii::AsciiExt; Sep 01 15:56:46.969 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 15:56:46.969 INFO kablam! | Sep 01 15:56:46.969 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 15:56:46.969 INFO kablam! Sep 01 15:56:48.433 INFO kablam! warning: unused import: `std::ascii::AsciiExt` Sep 01 15:56:48.434 INFO kablam! --> kailua_test/src/lib.rs:159:5 Sep 01 15:56:48.434 INFO kablam! | Sep 01 15:56:48.434 INFO kablam! 159 | use std::ascii::AsciiExt; Sep 01 15:56:48.434 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 15:56:48.434 INFO kablam! | Sep 01 15:56:48.434 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 15:56:48.434 INFO kablam! Sep 01 15:56:50.744 INFO kablam! Checking kailua_langsvr_protocol v1.0.5 (file:///source/kailua_langsvr_protocol) Sep 01 15:56:51.213 INFO kablam! Checking kailua_types v1.1.0 (file:///source/kailua_types) Sep 01 15:56:54.882 INFO kablam! warning: unused macro definition Sep 01 15:56:54.884 INFO kablam! --> kailua_types/src/ty/value.rs:1875:5 Sep 01 15:56:54.884 INFO kablam! | Sep 01 15:56:54.884 INFO kablam! 1875 | / macro_rules! hash { Sep 01 15:56:54.884 INFO kablam! 1876 | | ($($k:ident = $v:expr),*) => (vec![$((s(stringify!($k)), $v)),*]) Sep 01 15:56:54.885 INFO kablam! 1877 | | } Sep 01 15:56:54.885 INFO kablam! | |_____^ Sep 01 15:56:54.885 INFO kablam! | Sep 01 15:56:54.885 INFO kablam! = note: #[warn(unused_macros)] on by default Sep 01 15:56:54.885 INFO kablam! Sep 01 15:57:01.927 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:01.927 INFO kablam! --> kailua_types/src/ty/display.rs:78:13 Sep 01 15:57:01.927 INFO kablam! | Sep 01 15:57:01.927 INFO kablam! 78 | let mut spans = disambig.entry(name.base.clone()).or_insert_with(|| HashMap::new()); Sep 01 15:57:01.927 INFO kablam! | ----^^^^^ Sep 01 15:57:01.928 INFO kablam! | | Sep 01 15:57:01.928 INFO kablam! | help: remove this `mut` Sep 01 15:57:01.928 INFO kablam! | Sep 01 15:57:01.928 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 01 15:57:01.928 INFO kablam! Sep 01 15:57:04.697 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:04.697 INFO kablam! --> kailua_types/src/env/mod.rs:381:17 Sep 01 15:57:04.697 INFO kablam! | Sep 01 15:57:04.697 INFO kablam! 381 | let mut row = Sep 01 15:57:04.697 INFO kablam! | ----^^^ Sep 01 15:57:04.697 INFO kablam! | | Sep 01 15:57:04.697 INFO kablam! | help: remove this `mut` Sep 01 15:57:04.698 INFO kablam! Sep 01 15:57:04.698 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:04.698 INFO kablam! --> kailua_types/src/env/mod.rs:388:17 Sep 01 15:57:04.698 INFO kablam! | Sep 01 15:57:04.698 INFO kablam! 388 | let mut row = Sep 01 15:57:04.698 INFO kablam! | ----^^^ Sep 01 15:57:04.698 INFO kablam! | | Sep 01 15:57:04.698 INFO kablam! | help: remove this `mut` Sep 01 15:57:04.698 INFO kablam! Sep 01 15:57:06.231 INFO kablam! Checking kailua_check v1.1.0 (file:///source/kailua_check) Sep 01 15:57:09.313 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead Sep 01 15:57:09.313 INFO kablam! --> kailua_check/src/options.rs:4:5 Sep 01 15:57:09.313 INFO kablam! | Sep 01 15:57:09.313 INFO kablam! 4 | use std::ascii::AsciiExt; Sep 01 15:57:09.313 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 15:57:09.313 INFO kablam! | Sep 01 15:57:09.313 INFO kablam! = note: #[warn(deprecated)] on by default Sep 01 15:57:09.313 INFO kablam! Sep 01 15:57:09.475 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead Sep 01 15:57:09.475 INFO kablam! --> kailua_check/src/options.rs:4:5 Sep 01 15:57:09.476 INFO kablam! | Sep 01 15:57:09.476 INFO kablam! 4 | use std::ascii::AsciiExt; Sep 01 15:57:09.476 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 15:57:09.476 INFO kablam! | Sep 01 15:57:09.476 INFO kablam! = note: #[warn(deprecated)] on by default Sep 01 15:57:09.476 INFO kablam! Sep 01 15:57:09.500 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:09.500 INFO kablam! --> kailua_types/src/ty/display.rs:78:13 Sep 01 15:57:09.500 INFO kablam! | Sep 01 15:57:09.500 INFO kablam! 78 | let mut spans = disambig.entry(name.base.clone()).or_insert_with(|| HashMap::new()); Sep 01 15:57:09.500 INFO kablam! | ----^^^^^ Sep 01 15:57:09.500 INFO kablam! | | Sep 01 15:57:09.500 INFO kablam! | help: remove this `mut` Sep 01 15:57:09.500 INFO kablam! | Sep 01 15:57:09.500 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 01 15:57:09.500 INFO kablam! Sep 01 15:57:15.144 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:15.144 INFO kablam! --> kailua_types/src/env/mod.rs:381:17 Sep 01 15:57:15.144 INFO kablam! | Sep 01 15:57:15.144 INFO kablam! 381 | let mut row = Sep 01 15:57:15.144 INFO kablam! | ----^^^ Sep 01 15:57:15.144 INFO kablam! | | Sep 01 15:57:15.144 INFO kablam! | help: remove this `mut` Sep 01 15:57:15.144 INFO kablam! Sep 01 15:57:15.145 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:15.145 INFO kablam! --> kailua_types/src/env/mod.rs:388:17 Sep 01 15:57:15.145 INFO kablam! | Sep 01 15:57:15.145 INFO kablam! 388 | let mut row = Sep 01 15:57:15.145 INFO kablam! | ----^^^ Sep 01 15:57:15.145 INFO kablam! | | Sep 01 15:57:15.145 INFO kablam! | help: remove this `mut` Sep 01 15:57:15.145 INFO kablam! Sep 01 15:57:18.032 INFO kablam! warning: unused import: `std::ascii::AsciiExt` Sep 01 15:57:18.032 INFO kablam! --> kailua_check/src/options.rs:4:5 Sep 01 15:57:18.032 INFO kablam! | Sep 01 15:57:18.032 INFO kablam! 4 | use std::ascii::AsciiExt; Sep 01 15:57:18.032 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 15:57:18.033 INFO kablam! | Sep 01 15:57:18.033 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 15:57:18.033 INFO kablam! Sep 01 15:57:18.060 INFO kablam! warning: unused import: `std::ascii::AsciiExt` Sep 01 15:57:18.060 INFO kablam! --> kailua_check/src/options.rs:4:5 Sep 01 15:57:18.060 INFO kablam! | Sep 01 15:57:18.060 INFO kablam! 4 | use std::ascii::AsciiExt; Sep 01 15:57:18.060 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^ Sep 01 15:57:18.060 INFO kablam! | Sep 01 15:57:18.060 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 15:57:18.060 INFO kablam! Sep 01 15:57:19.377 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:19.377 INFO kablam! --> kailua_check/src/env.rs:974:17 Sep 01 15:57:19.377 INFO kablam! | Sep 01 15:57:19.377 INFO kablam! 974 | let mut def = def.expect("Env::ensure_var with an undefined var"); Sep 01 15:57:19.377 INFO kablam! | ----^^^ Sep 01 15:57:19.378 INFO kablam! | | Sep 01 15:57:19.378 INFO kablam! | help: remove this `mut` Sep 01 15:57:19.378 INFO kablam! | Sep 01 15:57:19.378 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 01 15:57:19.378 INFO kablam! Sep 01 15:57:19.468 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:19.468 INFO kablam! --> kailua_check/src/env.rs:1194:13 Sep 01 15:57:19.468 INFO kablam! | Sep 01 15:57:19.468 INFO kablam! 1194 | let mut def = self.context.ids.entry(id).or_insert_with(|| { Sep 01 15:57:19.468 INFO kablam! | ----^^^ Sep 01 15:57:19.469 INFO kablam! | | Sep 01 15:57:19.469 INFO kablam! | help: remove this `mut` Sep 01 15:57:19.469 INFO kablam! Sep 01 15:57:19.496 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:19.496 INFO kablam! --> kailua_check/src/env.rs:974:17 Sep 01 15:57:19.496 INFO kablam! | Sep 01 15:57:19.496 INFO kablam! 974 | let mut def = def.expect("Env::ensure_var with an undefined var"); Sep 01 15:57:19.496 INFO kablam! | ----^^^ Sep 01 15:57:19.496 INFO kablam! | | Sep 01 15:57:19.496 INFO kablam! | help: remove this `mut` Sep 01 15:57:19.496 INFO kablam! | Sep 01 15:57:19.496 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 01 15:57:19.496 INFO kablam! Sep 01 15:57:19.588 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:19.588 INFO kablam! --> kailua_check/src/env.rs:1194:13 Sep 01 15:57:19.588 INFO kablam! | Sep 01 15:57:19.588 INFO kablam! 1194 | let mut def = self.context.ids.entry(id).or_insert_with(|| { Sep 01 15:57:19.588 INFO kablam! | ----^^^ Sep 01 15:57:19.588 INFO kablam! | | Sep 01 15:57:19.588 INFO kablam! | help: remove this `mut` Sep 01 15:57:19.589 INFO kablam! Sep 01 15:57:20.315 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:20.315 INFO kablam! --> kailua_check/src/check.rs:1302:13 Sep 01 15:57:20.315 INFO kablam! | Sep 01 15:57:20.315 INFO kablam! 1302 | let mut modules = self.pending_modules.last_mut().unwrap(); Sep 01 15:57:20.315 INFO kablam! | ----^^^^^^^ Sep 01 15:57:20.315 INFO kablam! | | Sep 01 15:57:20.315 INFO kablam! | help: remove this `mut` Sep 01 15:57:20.315 INFO kablam! Sep 01 15:57:20.405 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:20.405 INFO kablam! --> kailua_check/src/check.rs:1302:13 Sep 01 15:57:20.405 INFO kablam! | Sep 01 15:57:20.405 INFO kablam! 1302 | let mut modules = self.pending_modules.last_mut().unwrap(); Sep 01 15:57:20.405 INFO kablam! | ----^^^^^^^ Sep 01 15:57:20.405 INFO kablam! | | Sep 01 15:57:20.405 INFO kablam! | help: remove this `mut` Sep 01 15:57:20.405 INFO kablam! Sep 01 15:57:20.773 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:20.773 INFO kablam! --> kailua_check/src/check.rs:2882:17 Sep 01 15:57:20.773 INFO kablam! | Sep 01 15:57:20.773 INFO kablam! 2882 | let mut modules = self.pending_modules.last_mut().expect("missing PendingModules"); Sep 01 15:57:20.773 INFO kablam! | ----^^^^^^^ Sep 01 15:57:20.773 INFO kablam! | | Sep 01 15:57:20.773 INFO kablam! | help: remove this `mut` Sep 01 15:57:20.773 INFO kablam! Sep 01 15:57:20.850 INFO kablam! warning: variable does not need to be mutable Sep 01 15:57:20.850 INFO kablam! --> kailua_check/src/check.rs:2882:17 Sep 01 15:57:20.850 INFO kablam! | Sep 01 15:57:20.850 INFO kablam! 2882 | let mut modules = self.pending_modules.last_mut().expect("missing PendingModules"); Sep 01 15:57:20.850 INFO kablam! | ----^^^^^^^ Sep 01 15:57:20.850 INFO kablam! | | Sep 01 15:57:20.850 INFO kablam! | help: remove this `mut` Sep 01 15:57:20.850 INFO kablam! Sep 01 15:57:21.809 INFO kablam! Checking kailua_workspace v1.1.0 (file:///source/kailua_workspace) Sep 01 15:57:23.427 INFO kablam! warning: unused import: `std::str` Sep 01 15:57:23.427 INFO kablam! --> kailua_check/src/bin/kailua-check.rs:8:5 Sep 01 15:57:23.427 INFO kablam! | Sep 01 15:57:23.427 INFO kablam! 8 | use std::str; Sep 01 15:57:23.427 INFO kablam! | ^^^^^^^^ Sep 01 15:57:23.427 INFO kablam! | Sep 01 15:57:23.427 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 15:57:23.427 INFO kablam! Sep 01 15:57:23.487 INFO kablam! warning: unused import: `std::str` Sep 01 15:57:23.487 INFO kablam! --> kailua_check/src/bin/kailua-check.rs:8:5 Sep 01 15:57:23.487 INFO kablam! | Sep 01 15:57:23.487 INFO kablam! 8 | use std::str; Sep 01 15:57:23.487 INFO kablam! | ^^^^^^^^ Sep 01 15:57:23.487 INFO kablam! | Sep 01 15:57:23.487 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 15:57:23.487 INFO kablam! Sep 01 15:57:24.856 INFO kablam! Checking kailua_langsvr v1.1.0 (file:///source/kailua_langsvr) Sep 01 15:57:27.463 INFO kablam! warning: type annotations needed Sep 01 15:57:27.463 INFO kablam! --> kailua_langsvr/src/diags.rs:97:28 Sep 01 15:57:27.463 INFO kablam! | Sep 01 15:57:27.463 INFO kablam! 97 | (self as *const _).hash(state) Sep 01 15:57:27.463 INFO kablam! | ^^^^ Sep 01 15:57:27.463 INFO kablam! | Sep 01 15:57:27.463 INFO kablam! = note: #[warn(tyvar_behind_raw_pointer)] on by default Sep 01 15:57:27.463 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! Sep 01 15:57:27.463 INFO kablam! = note: for more information, see issue #46906 Sep 01 15:57:27.463 INFO kablam! Sep 01 15:57:27.664 INFO kablam! warning: type annotations needed Sep 01 15:57:27.664 INFO kablam! --> kailua_langsvr/src/diags.rs:97:28 Sep 01 15:57:27.664 INFO kablam! | Sep 01 15:57:27.664 INFO kablam! 97 | (self as *const _).hash(state) Sep 01 15:57:27.664 INFO kablam! | ^^^^ Sep 01 15:57:27.664 INFO kablam! | Sep 01 15:57:27.664 INFO kablam! = note: #[warn(tyvar_behind_raw_pointer)] on by default Sep 01 15:57:27.664 INFO kablam! = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition! Sep 01 15:57:27.664 INFO kablam! = note: for more information, see issue #46906 Sep 01 15:57:27.664 INFO kablam! Sep 01 15:57:29.813 INFO kablam! Checking kailua v1.1.0 (file:///source) Sep 01 15:57:31.216 INFO kablam! warning: unused import: `std::str` Sep 01 15:57:31.216 INFO kablam! --> src/main.rs:18:9 Sep 01 15:57:31.216 INFO kablam! | Sep 01 15:57:31.216 INFO kablam! 18 | use std::str; Sep 01 15:57:31.216 INFO kablam! | ^^^^^^^^ Sep 01 15:57:31.216 INFO kablam! | Sep 01 15:57:31.216 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 15:57:31.216 INFO kablam! Sep 01 15:57:31.287 INFO kablam! warning: unused import: `std::str` Sep 01 15:57:31.287 INFO kablam! --> src/main.rs:18:9 Sep 01 15:57:31.287 INFO kablam! | Sep 01 15:57:31.287 INFO kablam! 18 | use std::str; Sep 01 15:57:31.287 INFO kablam! | ^^^^^^^^ Sep 01 15:57:31.287 INFO kablam! | Sep 01 15:57:31.287 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 01 15:57:31.287 INFO kablam! Sep 01 15:57:31.751 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 57.37s Sep 01 15:57:31.819 INFO kablam! su: No module specific data is present Sep 01 15:57:32.316 INFO running `"docker" "rm" "-f" "18bcf1d0aff774823466e09d2f974a5c27b5228e7af3e5eb89a977f15e829c6e"` Sep 01 15:57:32.470 INFO blam! 18bcf1d0aff774823466e09d2f974a5c27b5228e7af3e5eb89a977f15e829c6e