Sep 01 16:09:41.610 INFO checking kailua_check-1.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 16:09:41.610 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 16:09:41.611 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 16:09:41.786 INFO blam! 5eef1ed3f1c9ef494b2fcd8625f9f70445a17cedf681a56c9ff6d8a8684ccfe1
Sep 01 16:09:41.788 INFO running `"docker" "start" "-a" "5eef1ed3f1c9ef494b2fcd8625f9f70445a17cedf681a56c9ff6d8a8684ccfe1"`
Sep 01 16:09:42.412 INFO kablam!     Checking take_mut v0.1.3
Sep 01 16:09:42.414 INFO kablam!     Checking kailua_syntax v1.1.0
Sep 01 16:09:42.415 INFO kablam!     Checking kailua_test v1.0.4
Sep 01 16:09:47.703 INFO kablam!     Checking kailua_types v1.1.0
Sep 01 16:09:53.625 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Sep 01 16:09:55.615 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 01 16:09:55.615 INFO kablam!  --> src/options.rs:4:5
Sep 01 16:09:55.615 INFO kablam!   |
Sep 01 16:09:55.615 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 01 16:09:55.615 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 16:09:55.615 INFO kablam!   |
Sep 01 16:09:55.615 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 01 16:09:55.615 INFO kablam! 
Sep 01 16:09:56.014 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 01 16:09:56.014 INFO kablam!  --> src/options.rs:4:5
Sep 01 16:09:56.014 INFO kablam!   |
Sep 01 16:09:56.014 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 01 16:09:56.014 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 16:09:56.014 INFO kablam!   |
Sep 01 16:09:56.014 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 01 16:09:56.014 INFO kablam! 
Sep 01 16:09:58.358 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 01 16:09:58.358 INFO kablam!  --> src/options.rs:4:5
Sep 01 16:09:58.358 INFO kablam!   |
Sep 01 16:09:58.358 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 01 16:09:58.358 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 16:09:58.358 INFO kablam!   |
Sep 01 16:09:58.358 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:09:58.358 INFO kablam! 
Sep 01 16:09:58.738 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 01 16:09:58.738 INFO kablam!  --> src/options.rs:4:5
Sep 01 16:09:58.738 INFO kablam!   |
Sep 01 16:09:58.738 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 01 16:09:58.738 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 16:09:58.739 INFO kablam!   |
Sep 01 16:09:58.739 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:09:58.739 INFO kablam! 
Sep 01 16:09:58.917 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:58.917 INFO kablam!    --> src/env.rs:974:17
Sep 01 16:09:58.917 INFO kablam!     |
Sep 01 16:09:58.917 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 01 16:09:58.917 INFO kablam!     |                 ----^^^
Sep 01 16:09:58.917 INFO kablam!     |                 |
Sep 01 16:09:58.917 INFO kablam!     |                 help: remove this `mut`
Sep 01 16:09:58.917 INFO kablam!     |
Sep 01 16:09:58.917 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 16:09:58.917 INFO kablam! 
Sep 01 16:09:58.940 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:58.940 INFO kablam!     --> src/env.rs:1194:13
Sep 01 16:09:58.940 INFO kablam!      |
Sep 01 16:09:58.940 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 01 16:09:58.940 INFO kablam!      |             ----^^^
Sep 01 16:09:58.940 INFO kablam!      |             |
Sep 01 16:09:58.940 INFO kablam!      |             help: remove this `mut`
Sep 01 16:09:58.940 INFO kablam! 
Sep 01 16:09:59.269 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:59.269 INFO kablam!    --> src/env.rs:974:17
Sep 01 16:09:59.269 INFO kablam!     |
Sep 01 16:09:59.269 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 01 16:09:59.269 INFO kablam!     |                 ----^^^
Sep 01 16:09:59.269 INFO kablam!     |                 |
Sep 01 16:09:59.269 INFO kablam!     |                 help: remove this `mut`
Sep 01 16:09:59.269 INFO kablam!     |
Sep 01 16:09:59.269 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 16:09:59.270 INFO kablam! 
Sep 01 16:09:59.293 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:59.293 INFO kablam!     --> src/env.rs:1194:13
Sep 01 16:09:59.293 INFO kablam!      |
Sep 01 16:09:59.293 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 01 16:09:59.293 INFO kablam!      |             ----^^^
Sep 01 16:09:59.293 INFO kablam!      |             |
Sep 01 16:09:59.293 INFO kablam!      |             help: remove this `mut`
Sep 01 16:09:59.293 INFO kablam! 
Sep 01 16:09:59.425 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:59.425 INFO kablam!     --> src/check.rs:1302:13
Sep 01 16:09:59.425 INFO kablam!      |
Sep 01 16:09:59.425 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 01 16:09:59.425 INFO kablam!      |             ----^^^^^^^
Sep 01 16:09:59.426 INFO kablam!      |             |
Sep 01 16:09:59.426 INFO kablam!      |             help: remove this `mut`
Sep 01 16:09:59.426 INFO kablam! 
Sep 01 16:09:59.720 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:59.720 INFO kablam!     --> src/check.rs:2882:17
Sep 01 16:09:59.720 INFO kablam!      |
Sep 01 16:09:59.720 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 01 16:09:59.721 INFO kablam!      |                 ----^^^^^^^
Sep 01 16:09:59.721 INFO kablam!      |                 |
Sep 01 16:09:59.721 INFO kablam!      |                 help: remove this `mut`
Sep 01 16:09:59.721 INFO kablam! 
Sep 01 16:09:59.737 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:59.737 INFO kablam!     --> src/check.rs:1302:13
Sep 01 16:09:59.737 INFO kablam!      |
Sep 01 16:09:59.737 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 01 16:09:59.737 INFO kablam!      |             ----^^^^^^^
Sep 01 16:09:59.737 INFO kablam!      |             |
Sep 01 16:09:59.738 INFO kablam!      |             help: remove this `mut`
Sep 01 16:09:59.738 INFO kablam! 
Sep 01 16:09:59.979 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:59.980 INFO kablam!     --> src/check.rs:2882:17
Sep 01 16:09:59.980 INFO kablam!      |
Sep 01 16:09:59.980 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 01 16:09:59.980 INFO kablam!      |                 ----^^^^^^^
Sep 01 16:09:59.980 INFO kablam!      |                 |
Sep 01 16:09:59.980 INFO kablam!      |                 help: remove this `mut`
Sep 01 16:09:59.980 INFO kablam! 
Sep 01 16:10:02.338 INFO kablam! warning: unused import: `std::str`
Sep 01 16:10:02.338 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 01 16:10:02.338 INFO kablam!   |
Sep 01 16:10:02.338 INFO kablam! 8 | use std::str;
Sep 01 16:10:02.338 INFO kablam!   |     ^^^^^^^^
Sep 01 16:10:02.339 INFO kablam!   |
Sep 01 16:10:02.339 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:10:02.340 INFO kablam! 
Sep 01 16:10:02.622 INFO kablam! warning: unused import: `std::str`
Sep 01 16:10:02.622 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 01 16:10:02.622 INFO kablam!   |
Sep 01 16:10:02.622 INFO kablam! 8 | use std::str;
Sep 01 16:10:02.622 INFO kablam!   |     ^^^^^^^^
Sep 01 16:10:02.622 INFO kablam!   |
Sep 01 16:10:02.622 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:10:02.622 INFO kablam! 
Sep 01 16:10:03.018 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.68s
Sep 01 16:10:03.026 INFO kablam! su: No module specific data is present
Sep 01 16:10:03.497 INFO running `"docker" "rm" "-f" "5eef1ed3f1c9ef494b2fcd8625f9f70445a17cedf681a56c9ff6d8a8684ccfe1"`
Sep 01 16:10:03.581 INFO blam! 5eef1ed3f1c9ef494b2fcd8625f9f70445a17cedf681a56c9ff6d8a8684ccfe1