Sep 10 16:03:09.526 INFO checking kailua_check-1.1.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 16:03:09.526 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 16:03:09.526 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 16:03:09.697 INFO blam! bb3b4e3c55006c7bacd009e5f3ad350e97aa243d866889f738f495a1b0584e71
Sep 10 16:03:09.699 INFO running `"docker" "start" "-a" "bb3b4e3c55006c7bacd009e5f3ad350e97aa243d866889f738f495a1b0584e71"`
Sep 10 16:03:10.434 INFO kablam! usermod: no changes
Sep 10 16:03:10.662 INFO kablam!     Checking kailua_syntax v1.1.0
Sep 10 16:03:10.667 INFO kablam!     Checking kailua_test v1.0.4
Sep 10 16:03:14.275 INFO kablam!     Checking kailua_types v1.1.0
Sep 10 16:03:18.594 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Sep 10 16:03:20.766 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 10 16:03:20.766 INFO kablam!  --> src/options.rs:4:5
Sep 10 16:03:20.766 INFO kablam!   |
Sep 10 16:03:20.766 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 10 16:03:20.766 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 10 16:03:20.766 INFO kablam!   |
Sep 10 16:03:20.766 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 10 16:03:20.766 INFO kablam! 
Sep 10 16:03:21.014 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 10 16:03:21.014 INFO kablam!  --> src/options.rs:4:5
Sep 10 16:03:21.014 INFO kablam!   |
Sep 10 16:03:21.014 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 10 16:03:21.014 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 10 16:03:21.014 INFO kablam!   |
Sep 10 16:03:21.014 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 10 16:03:21.014 INFO kablam! 
Sep 10 16:03:22.898 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 10 16:03:22.898 INFO kablam!  --> src/options.rs:4:5
Sep 10 16:03:22.898 INFO kablam!   |
Sep 10 16:03:22.898 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 10 16:03:22.898 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 10 16:03:22.898 INFO kablam!   |
Sep 10 16:03:22.898 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:03:22.898 INFO kablam! 
Sep 10 16:03:22.997 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 10 16:03:22.997 INFO kablam!  --> src/options.rs:4:5
Sep 10 16:03:22.997 INFO kablam!   |
Sep 10 16:03:22.997 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 10 16:03:22.997 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 10 16:03:22.997 INFO kablam!   |
Sep 10 16:03:22.997 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:03:22.997 INFO kablam! 
Sep 10 16:03:23.397 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.397 INFO kablam!    --> src/env.rs:974:17
Sep 10 16:03:23.398 INFO kablam!     |
Sep 10 16:03:23.398 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 10 16:03:23.398 INFO kablam!     |                 ----^^^
Sep 10 16:03:23.398 INFO kablam!     |                 |
Sep 10 16:03:23.398 INFO kablam!     |                 help: remove this `mut`
Sep 10 16:03:23.406 INFO kablam!     |
Sep 10 16:03:23.406 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 16:03:23.406 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/env.rs:1194:13
Sep 10 16:03:23.422 INFO kablam!      |
Sep 10 16:03:23.422 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
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 16:03:23.490 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.490 INFO kablam!    --> src/env.rs:974:17
Sep 10 16:03:23.490 INFO kablam!     |
Sep 10 16:03:23.490 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 10 16:03:23.490 INFO kablam!     |                 ----^^^
Sep 10 16:03:23.490 INFO kablam!     |                 |
Sep 10 16:03:23.490 INFO kablam!     |                 help: remove this `mut`
Sep 10 16:03:23.490 INFO kablam!     |
Sep 10 16:03:23.490 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 16:03:23.490 INFO kablam! 
Sep 10 16:03:23.551 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.551 INFO kablam!     --> src/env.rs:1194:13
Sep 10 16:03:23.551 INFO kablam!      |
Sep 10 16:03:23.551 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 10 16:03:23.551 INFO kablam!      |             ----^^^
Sep 10 16:03:23.551 INFO kablam!      |             |
Sep 10 16:03:23.551 INFO kablam!      |             help: remove this `mut`
Sep 10 16:03:23.551 INFO kablam! 
Sep 10 16:03:23.872 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:23.872 INFO kablam!     --> src/check.rs:1302:13
Sep 10 16:03:23.872 INFO kablam!      |
Sep 10 16:03:23.872 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 10 16:03:23.872 INFO kablam!      |             ----^^^^^^^
Sep 10 16:03:23.872 INFO kablam!      |             |
Sep 10 16:03:23.872 INFO kablam!      |             help: remove this `mut`
Sep 10 16:03:23.872 INFO kablam! 
Sep 10 16:03:24.010 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:24.010 INFO kablam!     --> src/check.rs:1302:13
Sep 10 16:03:24.010 INFO kablam!      |
Sep 10 16:03:24.010 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 10 16:03:24.010 INFO kablam!      |             ----^^^^^^^
Sep 10 16:03:24.010 INFO kablam!      |             |
Sep 10 16:03:24.010 INFO kablam!      |             help: remove this `mut`
Sep 10 16:03:24.010 INFO kablam! 
Sep 10 16:03:24.142 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:24.142 INFO kablam!     --> src/check.rs:2882:17
Sep 10 16:03:24.142 INFO kablam!      |
Sep 10 16:03:24.142 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 10 16:03:24.142 INFO kablam!      |                 ----^^^^^^^
Sep 10 16:03:24.142 INFO kablam!      |                 |
Sep 10 16:03:24.142 INFO kablam!      |                 help: remove this `mut`
Sep 10 16:03:24.142 INFO kablam! 
Sep 10 16:03:24.219 INFO kablam! warning: variable does not need to be mutable
Sep 10 16:03:24.219 INFO kablam!     --> src/check.rs:2882:17
Sep 10 16:03:24.219 INFO kablam!      |
Sep 10 16:03:24.219 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 10 16:03:24.219 INFO kablam!      |                 ----^^^^^^^
Sep 10 16:03:24.219 INFO kablam!      |                 |
Sep 10 16:03:24.219 INFO kablam!      |                 help: remove this `mut`
Sep 10 16:03:24.219 INFO kablam! 
Sep 10 16:03:26.694 INFO kablam! warning: unused import: `std::str`
Sep 10 16:03:26.694 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 10 16:03:26.694 INFO kablam!   |
Sep 10 16:03:26.694 INFO kablam! 8 | use std::str;
Sep 10 16:03:26.694 INFO kablam!   |     ^^^^^^^^
Sep 10 16:03:26.694 INFO kablam!   |
Sep 10 16:03:26.694 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:03:26.694 INFO kablam! 
Sep 10 16:03:26.718 INFO kablam! warning: unused import: `std::str`
Sep 10 16:03:26.718 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 10 16:03:26.718 INFO kablam!   |
Sep 10 16:03:26.718 INFO kablam! 8 | use std::str;
Sep 10 16:03:26.718 INFO kablam!   |     ^^^^^^^^
Sep 10 16:03:26.718 INFO kablam!   |
Sep 10 16:03:26.718 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 16:03:26.718 INFO kablam! 
Sep 10 16:03:27.017 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.54s
Sep 10 16:03:27.033 INFO kablam! su: No module specific data is present
Sep 10 16:03:27.624 INFO running `"docker" "rm" "-f" "bb3b4e3c55006c7bacd009e5f3ad350e97aa243d866889f738f495a1b0584e71"`
Sep 10 16:03:27.747 INFO blam! bb3b4e3c55006c7bacd009e5f3ad350e97aa243d866889f738f495a1b0584e71