Sep 21 08:08:17.415 INFO checking kailua_check-1.1.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 08:08:17.415 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 08:08:17.415 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-7/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 08:08:17.648 INFO blam! b9febbd9a7b70730e8c603075df650f732b3f4919a63576b5c162727cea84e78
Sep 21 08:08:17.650 INFO running `"docker" "start" "-a" "b9febbd9a7b70730e8c603075df650f732b3f4919a63576b5c162727cea84e78"`
Sep 21 08:08:18.708 INFO kablam! usermod: no changes
Sep 21 08:08:18.849 INFO kablam!     Checking take_mut v0.1.3
Sep 21 08:08:18.849 INFO kablam!     Checking kailua_syntax v1.1.0
Sep 21 08:08:22.245 INFO kablam!     Checking kailua_types v1.1.0
Sep 21 08:08:26.266 INFO kablam!     Checking kailua_check v1.1.0 (/source)
Sep 21 08:08:27.390 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 21 08:08:27.390 INFO kablam!  --> src/options.rs:4:5
Sep 21 08:08:27.390 INFO kablam!   |
Sep 21 08:08:27.390 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 21 08:08:27.390 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 21 08:08:27.390 INFO kablam!   |
Sep 21 08:08:27.390 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 21 08:08:27.390 INFO kablam! 
Sep 21 08:08:27.430 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 21 08:08:27.430 INFO kablam!  --> src/options.rs:4:5
Sep 21 08:08:27.430 INFO kablam!   |
Sep 21 08:08:27.430 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 21 08:08:27.430 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 21 08:08:27.430 INFO kablam!   |
Sep 21 08:08:27.430 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 21 08:08:27.430 INFO kablam! 
Sep 21 08:08:28.998 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 21 08:08:28.998 INFO kablam!  --> src/options.rs:4:5
Sep 21 08:08:28.998 INFO kablam!   |
Sep 21 08:08:28.998 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 21 08:08:28.998 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 21 08:08:28.998 INFO kablam!   |
Sep 21 08:08:28.998 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 08:08:28.998 INFO kablam! 
Sep 21 08:08:29.054 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 21 08:08:29.054 INFO kablam!  --> src/options.rs:4:5
Sep 21 08:08:29.054 INFO kablam!   |
Sep 21 08:08:29.054 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 21 08:08:29.054 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 21 08:08:29.054 INFO kablam!   |
Sep 21 08:08:29.054 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 08:08:29.054 INFO kablam! 
Sep 21 08:08:29.306 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:08:29.306 INFO kablam!    --> src/env.rs:974:17
Sep 21 08:08:29.306 INFO kablam!     |
Sep 21 08:08:29.306 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 21 08:08:29.306 INFO kablam!     |                 ----^^^
Sep 21 08:08:29.306 INFO kablam!     |                 |
Sep 21 08:08:29.306 INFO kablam!     |                 help: remove this `mut`
Sep 21 08:08:29.306 INFO kablam!     |
Sep 21 08:08:29.306 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 08:08:29.306 INFO kablam! 
Sep 21 08:08:29.330 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:08:29.330 INFO kablam!     --> src/env.rs:1194:13
Sep 21 08:08:29.330 INFO kablam!      |
Sep 21 08:08:29.330 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 21 08:08:29.330 INFO kablam!      |             ----^^^
Sep 21 08:08:29.330 INFO kablam!      |             |
Sep 21 08:08:29.330 INFO kablam!      |             help: remove this `mut`
Sep 21 08:08:29.330 INFO kablam! 
Sep 21 08:08:29.477 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:08:29.477 INFO kablam!    --> src/env.rs:974:17
Sep 21 08:08:29.477 INFO kablam!     |
Sep 21 08:08:29.477 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 21 08:08:29.477 INFO kablam!     |                 ----^^^
Sep 21 08:08:29.477 INFO kablam!     |                 |
Sep 21 08:08:29.477 INFO kablam!     |                 help: remove this `mut`
Sep 21 08:08:29.477 INFO kablam!     |
Sep 21 08:08:29.477 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 08:08:29.477 INFO kablam! 
Sep 21 08:08:29.500 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:08:29.500 INFO kablam!     --> src/env.rs:1194:13
Sep 21 08:08:29.500 INFO kablam!      |
Sep 21 08:08:29.500 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 21 08:08:29.500 INFO kablam!      |             ----^^^
Sep 21 08:08:29.500 INFO kablam!      |             |
Sep 21 08:08:29.500 INFO kablam!      |             help: remove this `mut`
Sep 21 08:08:29.500 INFO kablam! 
Sep 21 08:08:29.657 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:08:29.657 INFO kablam!     --> src/check.rs:1302:13
Sep 21 08:08:29.657 INFO kablam!      |
Sep 21 08:08:29.657 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 21 08:08:29.657 INFO kablam!      |             ----^^^^^^^
Sep 21 08:08:29.657 INFO kablam!      |             |
Sep 21 08:08:29.657 INFO kablam!      |             help: remove this `mut`
Sep 21 08:08:29.657 INFO kablam! 
Sep 21 08:08:29.754 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:08:29.755 INFO kablam!     --> src/check.rs:1302:13
Sep 21 08:08:29.755 INFO kablam!      |
Sep 21 08:08:29.755 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 21 08:08:29.755 INFO kablam!      |             ----^^^^^^^
Sep 21 08:08:29.756 INFO kablam!      |             |
Sep 21 08:08:29.756 INFO kablam!      |             help: remove this `mut`
Sep 21 08:08:29.756 INFO kablam! 
Sep 21 08:08:29.838 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:08:29.838 INFO kablam!     --> src/check.rs:2882:17
Sep 21 08:08:29.838 INFO kablam!      |
Sep 21 08:08:29.838 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 21 08:08:29.838 INFO kablam!      |                 ----^^^^^^^
Sep 21 08:08:29.838 INFO kablam!      |                 |
Sep 21 08:08:29.838 INFO kablam!      |                 help: remove this `mut`
Sep 21 08:08:29.838 INFO kablam! 
Sep 21 08:08:29.962 INFO kablam! warning: variable does not need to be mutable
Sep 21 08:08:29.962 INFO kablam!     --> src/check.rs:2882:17
Sep 21 08:08:29.962 INFO kablam!      |
Sep 21 08:08:29.962 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 21 08:08:29.962 INFO kablam!      |                 ----^^^^^^^
Sep 21 08:08:29.962 INFO kablam!      |                 |
Sep 21 08:08:29.962 INFO kablam!      |                 help: remove this `mut`
Sep 21 08:08:29.962 INFO kablam! 
Sep 21 08:08:31.590 INFO kablam! warning: unused import: `std::str`
Sep 21 08:08:31.591 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 21 08:08:31.591 INFO kablam!   |
Sep 21 08:08:31.591 INFO kablam! 8 | use std::str;
Sep 21 08:08:31.592 INFO kablam!   |     ^^^^^^^^
Sep 21 08:08:31.592 INFO kablam! warning: unused import: `std::str`
Sep 21 08:08:31.592 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 21 08:08:31.593 INFO kablam!   |
Sep 21 08:08:31.593 INFO kablam! 8 | use std::str;
Sep 21 08:08:31.593 INFO kablam!   |     ^^^^^^^^
Sep 21 08:08:31.594 INFO kablam!   |
Sep 21 08:08:31.594 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 08:08:31.594 INFO kablam! 
Sep 21 08:08:31.594 INFO kablam!   |
Sep 21 08:08:31.595 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 08:08:31.595 INFO kablam! 
Sep 21 08:08:31.946 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.21s
Sep 21 08:08:31.958 INFO kablam! su: No module specific data is present
Sep 21 08:08:33.078 INFO running `"docker" "rm" "-f" "b9febbd9a7b70730e8c603075df650f732b3f4919a63576b5c162727cea84e78"`
Sep 21 08:08:33.203 INFO blam! b9febbd9a7b70730e8c603075df650f732b3f4919a63576b5c162727cea84e78