Sep 06 04:54:02.815 INFO checking kailua_check-1.1.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 04:54:02.815 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 04:54:02.815 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 04:54:03.055 INFO blam! de123782284ede2730582c38ef00c6d60bec1b8428fd8395811684dcf5f5c6a9
Sep 06 04:54:03.057 INFO running `"docker" "start" "-a" "de123782284ede2730582c38ef00c6d60bec1b8428fd8395811684dcf5f5c6a9"`
Sep 06 04:54:04.312 INFO kablam! usermod: no changes
Sep 06 04:54:04.436 INFO kablam!     Checking kailua_env v1.0.4
Sep 06 04:54:04.436 INFO kablam!     Checking parse-generics-shim v0.1.1
Sep 06 04:54:04.436 INFO kablam!     Checking atomic v0.3.4
Sep 06 04:54:04.436 INFO kablam!     Checking take_mut v0.1.3
Sep 06 04:54:05.268 INFO kablam!     Checking kailua_diag v1.0.4
Sep 06 04:54:05.869 INFO kablam!     Checking kailua_syntax v1.1.0
Sep 06 04:54:05.869 INFO kablam!     Checking kailua_test v1.0.4
Sep 06 04:54:09.092 INFO kablam!     Checking kailua_types v1.1.0
Sep 06 04:54:12.688 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Sep 06 04:54:13.775 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 06 04:54:13.775 INFO kablam!  --> src/options.rs:4:5
Sep 06 04:54:13.775 INFO kablam!   |
Sep 06 04:54:13.775 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 06 04:54:13.775 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 04:54:13.775 INFO kablam!   |
Sep 06 04:54:13.775 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 06 04:54:13.775 INFO kablam! 
Sep 06 04:54:13.882 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 06 04:54:13.882 INFO kablam!  --> src/options.rs:4:5
Sep 06 04:54:13.882 INFO kablam!   |
Sep 06 04:54:13.882 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 06 04:54:13.882 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 04:54:13.882 INFO kablam!   |
Sep 06 04:54:13.882 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 06 04:54:13.882 INFO kablam! 
Sep 06 04:54:15.487 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 06 04:54:15.487 INFO kablam!  --> src/options.rs:4:5
Sep 06 04:54:15.487 INFO kablam!   |
Sep 06 04:54:15.487 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 06 04:54:15.487 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 04:54:15.498 INFO kablam!   |
Sep 06 04:54:15.498 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:54:15.498 INFO kablam! 
Sep 06 04:54:15.502 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 06 04:54:15.502 INFO kablam!  --> src/options.rs:4:5
Sep 06 04:54:15.502 INFO kablam!   |
Sep 06 04:54:15.502 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 06 04:54:15.502 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 06 04:54:15.502 INFO kablam!   |
Sep 06 04:54:15.502 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:54:15.502 INFO kablam! 
Sep 06 04:54:15.903 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:54:15.903 INFO kablam!    --> src/env.rs:974:17
Sep 06 04:54:15.903 INFO kablam!     |
Sep 06 04:54:15.903 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 06 04:54:15.903 INFO kablam!     |                 ----^^^
Sep 06 04:54:15.903 INFO kablam!     |                 |
Sep 06 04:54:15.903 INFO kablam!     |                 help: remove this `mut`
Sep 06 04:54:15.904 INFO kablam!     |
Sep 06 04:54:15.904 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 04:54:15.904 INFO kablam! 
Sep 06 04:54:15.938 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:54:15.938 INFO kablam!     --> src/env.rs:1194:13
Sep 06 04:54:15.938 INFO kablam!      |
Sep 06 04:54:15.938 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 06 04:54:15.938 INFO kablam!      |             ----^^^
Sep 06 04:54:15.938 INFO kablam!      |             |
Sep 06 04:54:15.938 INFO kablam!      |             help: remove this `mut`
Sep 06 04:54:15.938 INFO kablam! 
Sep 06 04:54:15.986 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:54:15.986 INFO kablam!    --> src/env.rs:974:17
Sep 06 04:54:15.986 INFO kablam!     |
Sep 06 04:54:15.986 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 06 04:54:15.986 INFO kablam!     |                 ----^^^
Sep 06 04:54:15.986 INFO kablam!     |                 |
Sep 06 04:54:15.986 INFO kablam!     |                 help: remove this `mut`
Sep 06 04:54:15.986 INFO kablam!     |
Sep 06 04:54:15.986 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 06 04:54:15.986 INFO kablam! 
Sep 06 04:54:16.006 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:54:16.006 INFO kablam!     --> src/env.rs:1194:13
Sep 06 04:54:16.006 INFO kablam!      |
Sep 06 04:54:16.006 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 06 04:54:16.006 INFO kablam!      |             ----^^^
Sep 06 04:54:16.006 INFO kablam!      |             |
Sep 06 04:54:16.006 INFO kablam!      |             help: remove this `mut`
Sep 06 04:54:16.006 INFO kablam! 
Sep 06 04:54:16.206 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:54:16.206 INFO kablam!     --> src/check.rs:1302:13
Sep 06 04:54:16.206 INFO kablam!      |
Sep 06 04:54:16.206 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 06 04:54:16.206 INFO kablam!      |             ----^^^^^^^
Sep 06 04:54:16.206 INFO kablam!      |             |
Sep 06 04:54:16.206 INFO kablam!      |             help: remove this `mut`
Sep 06 04:54:16.206 INFO kablam! 
Sep 06 04:54:16.242 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:54:16.242 INFO kablam!     --> src/check.rs:1302:13
Sep 06 04:54:16.242 INFO kablam!      |
Sep 06 04:54:16.242 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 06 04:54:16.242 INFO kablam!      |             ----^^^^^^^
Sep 06 04:54:16.242 INFO kablam!      |             |
Sep 06 04:54:16.242 INFO kablam!      |             help: remove this `mut`
Sep 06 04:54:16.246 INFO kablam! 
Sep 06 04:54:16.462 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:54:16.462 INFO kablam!     --> src/check.rs:2882:17
Sep 06 04:54:16.462 INFO kablam!      |
Sep 06 04:54:16.462 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 06 04:54:16.462 INFO kablam!      |                 ----^^^^^^^
Sep 06 04:54:16.462 INFO kablam!      |                 |
Sep 06 04:54:16.462 INFO kablam!      |                 help: remove this `mut`
Sep 06 04:54:16.462 INFO kablam! 
Sep 06 04:54:16.490 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:54:16.490 INFO kablam!     --> src/check.rs:2882:17
Sep 06 04:54:16.490 INFO kablam!      |
Sep 06 04:54:16.490 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 06 04:54:16.490 INFO kablam!      |                 ----^^^^^^^
Sep 06 04:54:16.490 INFO kablam!      |                 |
Sep 06 04:54:16.490 INFO kablam!      |                 help: remove this `mut`
Sep 06 04:54:16.490 INFO kablam! 
Sep 06 04:54:19.350 INFO kablam! warning: unused import: `std::str`
Sep 06 04:54:19.350 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 06 04:54:19.350 INFO kablam!   |
Sep 06 04:54:19.350 INFO kablam! 8 | use std::str;
Sep 06 04:54:19.350 INFO kablam!   |     ^^^^^^^^
Sep 06 04:54:19.350 INFO kablam!   |
Sep 06 04:54:19.350 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:54:19.350 INFO kablam! 
Sep 06 04:54:19.523 INFO kablam! warning: unused import: `std::str`
Sep 06 04:54:19.523 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 06 04:54:19.523 INFO kablam!   |
Sep 06 04:54:19.523 INFO kablam! 8 | use std::str;
Sep 06 04:54:19.523 INFO kablam!   |     ^^^^^^^^
Sep 06 04:54:19.536 INFO kablam!   |
Sep 06 04:54:19.536 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:54:19.536 INFO kablam! 
Sep 06 04:54:20.050 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.70s
Sep 06 04:54:20.062 INFO kablam! su: No module specific data is present
Sep 06 04:54:20.978 INFO running `"docker" "rm" "-f" "de123782284ede2730582c38ef00c6d60bec1b8428fd8395811684dcf5f5c6a9"`
Sep 06 04:54:21.105 INFO blam! de123782284ede2730582c38ef00c6d60bec1b8428fd8395811684dcf5f5c6a9