Sep 10 16:03:09.322 INFO checking kailua_check-1.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 16:03:09.322 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 16:03:09.322 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/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 16:03:09.500 INFO blam! 0427143958f9eb0e6d317cf402f10a4b6054b8e8e12f2fb209e8e01a0c1824e7
Sep 10 16:03:09.502 INFO running `"docker" "start" "-a" "0427143958f9eb0e6d317cf402f10a4b6054b8e8e12f2fb209e8e01a0c1824e7"`
Sep 10 16:03:10.281 INFO kablam! usermod: no changes
Sep 10 16:03:10.424 INFO kablam!     Checking kailua_syntax v1.1.0
Sep 10 16:03:13.958 INFO kablam!     Checking kailua_types v1.1.0
Sep 10 16:03:18.162 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Sep 10 16:03:20.090 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 10 16:03:20.090 INFO kablam!  --> src/options.rs:4:5
Sep 10 16:03:20.090 INFO kablam!   |
Sep 10 16:03:20.090 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 10 16:03:20.090 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 10 16:03:20.090 INFO kablam!   |
Sep 10 16:03:20.090 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 10 16:03:20.090 INFO kablam! 
Sep 10 16:03:20.158 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 10 16:03:20.158 INFO kablam!  --> src/options.rs:4:5
Sep 10 16:03:20.158 INFO kablam!   |
Sep 10 16:03:20.158 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 10 16:03:20.158 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 10 16:03:20.158 INFO kablam!   |
Sep 10 16:03:20.158 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 10 16:03:20.158 INFO kablam! 
Sep 10 16:03:22.149 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 10 16:03:22.149 INFO kablam!  --> src/options.rs:4:5
Sep 10 16:03:22.149 INFO kablam!   |
Sep 10 16:03:22.149 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 10 16:03:22.149 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 10 16:03:22.149 INFO kablam!   |
Sep 10 16:03:22.149 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:03:22.150 INFO kablam! 
Sep 10 16:03:22.202 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 10 16:03:22.202 INFO kablam!  --> src/options.rs:4:5
Sep 10 16:03:22.202 INFO kablam!   |
Sep 10 16:03:22.202 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 10 16:03:22.202 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 10 16:03:22.202 INFO kablam!   |
Sep 10 16:03:22.202 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:03:22.202 INFO kablam! 
Sep 10 16:03:22.621 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:22.621 INFO kablam!    --> src/env.rs:974:17
Sep 10 16:03:22.621 INFO kablam!     |
Sep 10 16:03:22.621 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 10 16:03:22.621 INFO kablam!     |                 ----^^^
Sep 10 16:03:22.621 INFO kablam!     |                 |
Sep 10 16:03:22.621 INFO kablam!     |                 help: remove this `mut`
Sep 10 16:03:22.621 INFO kablam!     |
Sep 10 16:03:22.621 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 16:03:22.621 INFO kablam! 
Sep 10 16:03:22.646 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:22.646 INFO kablam!     --> src/env.rs:1194:13
Sep 10 16:03:22.646 INFO kablam!      |
Sep 10 16:03:22.646 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 10 16:03:22.646 INFO kablam!      |             ----^^^
Sep 10 16:03:22.646 INFO kablam!      |             |
Sep 10 16:03:22.646 INFO kablam!      |             help: remove this `mut`
Sep 10 16:03:22.646 INFO kablam! 
Sep 10 16:03:22.886 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:22.886 INFO kablam!     --> src/check.rs:1302:13
Sep 10 16:03:22.886 INFO kablam!      |
Sep 10 16:03:22.886 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 10 16:03:22.886 INFO kablam!      |             ----^^^^^^^
Sep 10 16:03:22.886 INFO kablam!      |             |
Sep 10 16:03:22.886 INFO kablam!      |             help: remove this `mut`
Sep 10 16:03:22.886 INFO kablam! 
Sep 10 16:03:23.004 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.004 INFO kablam!    --> src/env.rs:974:17
Sep 10 16:03:23.004 INFO kablam!     |
Sep 10 16:03:23.004 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 10 16:03:23.004 INFO kablam!     |                 ----^^^
Sep 10 16:03:23.004 INFO kablam!     |                 |
Sep 10 16:03:23.004 INFO kablam!     |                 help: remove this `mut`
Sep 10 16:03:23.004 INFO kablam!     |
Sep 10 16:03:23.004 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 16:03:23.004 INFO kablam! 
Sep 10 16:03:23.064 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.064 INFO kablam!     --> src/check.rs:2882:17
Sep 10 16:03:23.064 INFO kablam!      |
Sep 10 16:03:23.064 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 10 16:03:23.064 INFO kablam!      |                 ----^^^^^^^
Sep 10 16:03:23.064 INFO kablam!      |                 |
Sep 10 16:03:23.064 INFO kablam!      |                 help: remove this `mut`
Sep 10 16:03:23.064 INFO kablam! 
Sep 10 16:03:23.073 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.073 INFO kablam!     --> src/env.rs:1194:13
Sep 10 16:03:23.073 INFO kablam!      |
Sep 10 16:03:23.073 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 10 16:03:23.073 INFO kablam!      |             ----^^^
Sep 10 16:03:23.073 INFO kablam!      |             |
Sep 10 16:03:23.073 INFO kablam!      |             help: remove this `mut`
Sep 10 16:03:23.073 INFO kablam! 
Sep 10 16:03:23.422 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.422 INFO kablam!     --> src/check.rs:1302:13
Sep 10 16:03:23.422 INFO kablam!      |
Sep 10 16:03:23.422 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 10 16:03:23.422 INFO kablam!      |             ----^^^^^^^
Sep 10 16:03:23.422 INFO kablam!      |             |
Sep 10 16:03:23.422 INFO kablam!      |             help: remove this `mut`
Sep 10 16:03:23.422 INFO kablam! 
Sep 10 16:03:23.590 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.590 INFO kablam!     --> src/check.rs:2882:17
Sep 10 16:03:23.590 INFO kablam!      |
Sep 10 16:03:23.590 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 10 16:03:23.590 INFO kablam!      |                 ----^^^^^^^
Sep 10 16:03:23.590 INFO kablam!      |                 |
Sep 10 16:03:23.590 INFO kablam!      |                 help: remove this `mut`
Sep 10 16:03:23.590 INFO kablam! 
Sep 10 16:03:25.326 INFO kablam! warning: unused import: `std::str`
Sep 10 16:03:25.326 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 10 16:03:25.326 INFO kablam!   |
Sep 10 16:03:25.326 INFO kablam! 8 | use std::str;
Sep 10 16:03:25.326 INFO kablam!   |     ^^^^^^^^
Sep 10 16:03:25.326 INFO kablam!   |
Sep 10 16:03:25.326 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:03:25.326 INFO kablam! 
Sep 10 16:03:25.777 INFO kablam! warning: unused import: `std::str`
Sep 10 16:03:25.777 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 10 16:03:25.777 INFO kablam!   |
Sep 10 16:03:25.777 INFO kablam! 8 | use std::str;
Sep 10 16:03:25.777 INFO kablam!   |     ^^^^^^^^
Sep 10 16:03:25.786 INFO kablam!   |
Sep 10 16:03:25.786 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:03:25.786 INFO kablam! 
Sep 10 16:03:26.067 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.75s
Sep 10 16:03:26.086 INFO kablam! su: No module specific data is present
Sep 10 16:03:27.110 INFO running `"docker" "rm" "-f" "0427143958f9eb0e6d317cf402f10a4b6054b8e8e12f2fb209e8e01a0c1824e7"`
Sep 10 16:03:27.221 INFO blam! 0427143958f9eb0e6d317cf402f10a4b6054b8e8e12f2fb209e8e01a0c1824e7