Aug 30 12:52:35.108 INFO checking kailua_check-1.1.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 12:52:35.108 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 12:52:35.108 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 12:52:35.301 INFO blam! 946228c47f42635abe23e40f1c76b12bd5403cb0c0fe6a2d874a46c5e3b81cbd
Aug 30 12:52:35.304 INFO running `"docker" "start" "-a" "946228c47f42635abe23e40f1c76b12bd5403cb0c0fe6a2d874a46c5e3b81cbd"`
Aug 30 12:52:36.131 INFO kablam!     Checking take_mut v0.1.3
Aug 30 12:52:36.133 INFO kablam!     Checking kailua_syntax v1.1.0
Aug 30 12:52:36.133 INFO kablam!     Checking kailua_test v1.0.4
Aug 30 12:52:41.723 INFO kablam!     Checking kailua_types v1.1.0
Aug 30 12:52:47.573 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Aug 30 12:52:49.251 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Aug 30 12:52:49.251 INFO kablam!  --> src/options.rs:4:5
Aug 30 12:52:49.251 INFO kablam!   |
Aug 30 12:52:49.251 INFO kablam! 4 | use std::ascii::AsciiExt;
Aug 30 12:52:49.251 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 30 12:52:49.251 INFO kablam!   |
Aug 30 12:52:49.251 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 30 12:52:49.251 INFO kablam! 
Aug 30 12:52:49.831 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Aug 30 12:52:49.831 INFO kablam!  --> src/options.rs:4:5
Aug 30 12:52:49.831 INFO kablam!   |
Aug 30 12:52:49.831 INFO kablam! 4 | use std::ascii::AsciiExt;
Aug 30 12:52:49.831 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 30 12:52:49.832 INFO kablam!   |
Aug 30 12:52:49.832 INFO kablam!   = note: #[warn(deprecated)] on by default
Aug 30 12:52:49.832 INFO kablam! 
Aug 30 12:52:52.756 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Aug 30 12:52:52.756 INFO kablam!  --> src/options.rs:4:5
Aug 30 12:52:52.756 INFO kablam!   |
Aug 30 12:52:52.756 INFO kablam! 4 | use std::ascii::AsciiExt;
Aug 30 12:52:52.756 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 30 12:52:52.756 INFO kablam!   |
Aug 30 12:52:52.756 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 12:52:52.756 INFO kablam! 
Aug 30 12:52:52.893 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Aug 30 12:52:52.893 INFO kablam!  --> src/options.rs:4:5
Aug 30 12:52:52.893 INFO kablam!   |
Aug 30 12:52:52.893 INFO kablam! 4 | use std::ascii::AsciiExt;
Aug 30 12:52:52.893 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Aug 30 12:52:52.893 INFO kablam!   |
Aug 30 12:52:52.893 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 12:52:52.893 INFO kablam! 
Aug 30 12:52:53.627 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:52:53.627 INFO kablam!    --> src/env.rs:974:17
Aug 30 12:52:53.628 INFO kablam!     |
Aug 30 12:52:53.628 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Aug 30 12:52:53.628 INFO kablam!     |                 ----^^^
Aug 30 12:52:53.628 INFO kablam!     |                 |
Aug 30 12:52:53.628 INFO kablam!     |                 help: remove this `mut`
Aug 30 12:52:53.628 INFO kablam!     |
Aug 30 12:52:53.628 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 12:52:53.628 INFO kablam! 
Aug 30 12:52:53.653 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:52:53.653 INFO kablam!    --> src/env.rs:974:17
Aug 30 12:52:53.653 INFO kablam!     |
Aug 30 12:52:53.653 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Aug 30 12:52:53.653 INFO kablam!     |                 ----^^^
Aug 30 12:52:53.653 INFO kablam!     |                 |
Aug 30 12:52:53.653 INFO kablam!     |                 help: remove this `mut`
Aug 30 12:52:53.653 INFO kablam!     |
Aug 30 12:52:53.653 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 12:52:53.653 INFO kablam! 
Aug 30 12:52:53.657 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:52:53.657 INFO kablam!     --> src/env.rs:1194:13
Aug 30 12:52:53.657 INFO kablam!      |
Aug 30 12:52:53.657 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Aug 30 12:52:53.658 INFO kablam!      |             ----^^^
Aug 30 12:52:53.658 INFO kablam!      |             |
Aug 30 12:52:53.658 INFO kablam!      |             help: remove this `mut`
Aug 30 12:52:53.658 INFO kablam! 
Aug 30 12:52:53.702 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:52:53.703 INFO kablam!     --> src/env.rs:1194:13
Aug 30 12:52:53.703 INFO kablam!      |
Aug 30 12:52:53.703 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Aug 30 12:52:53.703 INFO kablam!      |             ----^^^
Aug 30 12:52:53.703 INFO kablam!      |             |
Aug 30 12:52:53.703 INFO kablam!      |             help: remove this `mut`
Aug 30 12:52:53.703 INFO kablam! 
Aug 30 12:52:54.036 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:52:54.036 INFO kablam!     --> src/check.rs:1302:13
Aug 30 12:52:54.036 INFO kablam!      |
Aug 30 12:52:54.036 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Aug 30 12:52:54.036 INFO kablam!      |             ----^^^^^^^
Aug 30 12:52:54.036 INFO kablam!      |             |
Aug 30 12:52:54.036 INFO kablam!      |             help: remove this `mut`
Aug 30 12:52:54.036 INFO kablam! 
Aug 30 12:52:54.286 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:52:54.286 INFO kablam!     --> src/check.rs:1302:13
Aug 30 12:52:54.286 INFO kablam!      |
Aug 30 12:52:54.286 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Aug 30 12:52:54.286 INFO kablam!      |             ----^^^^^^^
Aug 30 12:52:54.286 INFO kablam!      |             |
Aug 30 12:52:54.286 INFO kablam!      |             help: remove this `mut`
Aug 30 12:52:54.286 INFO kablam! 
Aug 30 12:52:54.336 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:52:54.336 INFO kablam!     --> src/check.rs:2882:17
Aug 30 12:52:54.336 INFO kablam!      |
Aug 30 12:52:54.336 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Aug 30 12:52:54.336 INFO kablam!      |                 ----^^^^^^^
Aug 30 12:52:54.337 INFO kablam!      |                 |
Aug 30 12:52:54.337 INFO kablam!      |                 help: remove this `mut`
Aug 30 12:52:54.337 INFO kablam! 
Aug 30 12:52:54.540 INFO kablam! warning: variable does not need to be mutable
Aug 30 12:52:54.540 INFO kablam!     --> src/check.rs:2882:17
Aug 30 12:52:54.540 INFO kablam!      |
Aug 30 12:52:54.540 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Aug 30 12:52:54.540 INFO kablam!      |                 ----^^^^^^^
Aug 30 12:52:54.540 INFO kablam!      |                 |
Aug 30 12:52:54.540 INFO kablam!      |                 help: remove this `mut`
Aug 30 12:52:54.540 INFO kablam! 
Aug 30 12:52:56.829 INFO kablam! warning: unused import: `std::str`
Aug 30 12:52:56.829 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Aug 30 12:52:56.829 INFO kablam!   |
Aug 30 12:52:56.829 INFO kablam! 8 | use std::str;
Aug 30 12:52:56.829 INFO kablam!   |     ^^^^^^^^
Aug 30 12:52:56.829 INFO kablam!   |
Aug 30 12:52:56.829 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 12:52:56.829 INFO kablam! 
Aug 30 12:52:57.164 INFO kablam! warning: unused import: `std::str`
Aug 30 12:52:57.164 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Aug 30 12:52:57.164 INFO kablam!   |
Aug 30 12:52:57.164 INFO kablam! 8 | use std::str;
Aug 30 12:52:57.164 INFO kablam!   |     ^^^^^^^^
Aug 30 12:52:57.164 INFO kablam!   |
Aug 30 12:52:57.164 INFO kablam!   = note: #[warn(unused_imports)] on by default
Aug 30 12:52:57.164 INFO kablam! 
Aug 30 12:52:57.911 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.86s
Aug 30 12:52:57.922 INFO kablam! su: No module specific data is present
Aug 30 12:52:58.393 INFO running `"docker" "rm" "-f" "946228c47f42635abe23e40f1c76b12bd5403cb0c0fe6a2d874a46c5e3b81cbd"`
Aug 30 12:52:58.524 INFO blam! 946228c47f42635abe23e40f1c76b12bd5403cb0c0fe6a2d874a46c5e3b81cbd