Jul 12 06:02:04.920 INFO checking kailua_check-1.1.0 against master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9 for pr-52234
Jul 12 06:02:04.920 INFO running: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 06:02:04.920 INFO creating container for: cargo +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets
Jul 12 06:02:04.920 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-52234/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-6/master#ae5b629efd79de78e6ba7ef493c32857bd7f9cf9:/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 +ae5b629efd79de78e6ba7ef493c32857bd7f9cf9-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 06:02:05.162 INFO blam! b5365c1441d28f48da0aca92026a8a94d3216fe553cd26071eb0bfb1991d9237
Jul 12 06:02:05.164 INFO running `"docker" "start" "-a" "b5365c1441d28f48da0aca92026a8a94d3216fe553cd26071eb0bfb1991d9237"`
Jul 12 06:02:06.334 INFO kablam!     Checking parking_lot v0.4.8
Jul 12 06:02:06.341 INFO kablam!     Checking kailua_syntax v1.1.0
Jul 12 06:02:15.674 INFO kablam!     Checking kailua_types v1.1.0
Jul 12 06:02:26.434 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Jul 12 06:02:28.979 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Jul 12 06:02:28.979 INFO kablam!  --> src/options.rs:4:5
Jul 12 06:02:28.979 INFO kablam!   |
Jul 12 06:02:28.979 INFO kablam! 4 | use std::ascii::AsciiExt;
Jul 12 06:02:28.979 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Jul 12 06:02:28.979 INFO kablam!   |
Jul 12 06:02:28.979 INFO kablam!   = note: #[warn(deprecated)] on by default
Jul 12 06:02:28.979 INFO kablam! 
Jul 12 06:02:29.366 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Jul 12 06:02:29.366 INFO kablam!  --> src/options.rs:4:5
Jul 12 06:02:29.366 INFO kablam!   |
Jul 12 06:02:29.366 INFO kablam! 4 | use std::ascii::AsciiExt;
Jul 12 06:02:29.366 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Jul 12 06:02:29.366 INFO kablam!   |
Jul 12 06:02:29.366 INFO kablam!   = note: #[warn(deprecated)] on by default
Jul 12 06:02:29.366 INFO kablam! 
Jul 12 06:02:34.595 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Jul 12 06:02:34.595 INFO kablam!  --> src/options.rs:4:5
Jul 12 06:02:34.595 INFO kablam!   |
Jul 12 06:02:34.595 INFO kablam! 4 | use std::ascii::AsciiExt;
Jul 12 06:02:34.595 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Jul 12 06:02:34.595 INFO kablam!   |
Jul 12 06:02:34.595 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 06:02:34.595 INFO kablam! 
Jul 12 06:02:36.063 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Jul 12 06:02:36.063 INFO kablam!  --> src/options.rs:4:5
Jul 12 06:02:36.063 INFO kablam!   |
Jul 12 06:02:36.063 INFO kablam! 4 | use std::ascii::AsciiExt;
Jul 12 06:02:36.063 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Jul 12 06:02:36.063 INFO kablam!   |
Jul 12 06:02:36.063 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 06:02:36.063 INFO kablam! 
Jul 12 06:02:36.222 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:02:36.222 INFO kablam!    --> src/env.rs:974:17
Jul 12 06:02:36.222 INFO kablam!     |
Jul 12 06:02:36.223 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Jul 12 06:02:36.223 INFO kablam!     |                 ----^^^
Jul 12 06:02:36.223 INFO kablam!     |                 |
Jul 12 06:02:36.223 INFO kablam!     |                 help: remove this `mut`
Jul 12 06:02:36.223 INFO kablam!     |
Jul 12 06:02:36.223 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 12 06:02:36.223 INFO kablam! 
Jul 12 06:02:36.292 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:02:36.292 INFO kablam!     --> src/env.rs:1194:13
Jul 12 06:02:36.292 INFO kablam!      |
Jul 12 06:02:36.292 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Jul 12 06:02:36.293 INFO kablam!      |             ----^^^
Jul 12 06:02:36.293 INFO kablam!      |             |
Jul 12 06:02:36.293 INFO kablam!      |             help: remove this `mut`
Jul 12 06:02:36.293 INFO kablam! 
Jul 12 06:02:37.418 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:02:37.418 INFO kablam!     --> src/check.rs:1302:13
Jul 12 06:02:37.418 INFO kablam!      |
Jul 12 06:02:37.418 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Jul 12 06:02:37.418 INFO kablam!      |             ----^^^^^^^
Jul 12 06:02:37.418 INFO kablam!      |             |
Jul 12 06:02:37.418 INFO kablam!      |             help: remove this `mut`
Jul 12 06:02:37.418 INFO kablam! 
Jul 12 06:02:37.563 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:02:37.563 INFO kablam!    --> src/env.rs:974:17
Jul 12 06:02:37.563 INFO kablam!     |
Jul 12 06:02:37.563 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Jul 12 06:02:37.563 INFO kablam!     |                 ----^^^
Jul 12 06:02:37.563 INFO kablam!     |                 |
Jul 12 06:02:37.563 INFO kablam!     |                 help: remove this `mut`
Jul 12 06:02:37.566 INFO kablam!     |
Jul 12 06:02:37.566 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 12 06:02:37.566 INFO kablam! 
Jul 12 06:02:37.649 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:02:37.650 INFO kablam!     --> src/env.rs:1194:13
Jul 12 06:02:37.650 INFO kablam!      |
Jul 12 06:02:37.650 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Jul 12 06:02:37.650 INFO kablam!      |             ----^^^
Jul 12 06:02:37.650 INFO kablam!      |             |
Jul 12 06:02:37.650 INFO kablam!      |             help: remove this `mut`
Jul 12 06:02:37.658 INFO kablam! 
Jul 12 06:02:38.239 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:02:38.239 INFO kablam!     --> src/check.rs:2882:17
Jul 12 06:02:38.239 INFO kablam!      |
Jul 12 06:02:38.240 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Jul 12 06:02:38.240 INFO kablam!      |                 ----^^^^^^^
Jul 12 06:02:38.240 INFO kablam!      |                 |
Jul 12 06:02:38.240 INFO kablam!      |                 help: remove this `mut`
Jul 12 06:02:38.240 INFO kablam! 
Jul 12 06:02:38.755 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:02:38.755 INFO kablam!     --> src/check.rs:1302:13
Jul 12 06:02:38.755 INFO kablam!      |
Jul 12 06:02:38.755 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Jul 12 06:02:38.755 INFO kablam!      |             ----^^^^^^^
Jul 12 06:02:38.755 INFO kablam!      |             |
Jul 12 06:02:38.755 INFO kablam!      |             help: remove this `mut`
Jul 12 06:02:38.762 INFO kablam! 
Jul 12 06:02:39.547 INFO kablam! warning: variable does not need to be mutable
Jul 12 06:02:39.547 INFO kablam!     --> src/check.rs:2882:17
Jul 12 06:02:39.547 INFO kablam!      |
Jul 12 06:02:39.547 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Jul 12 06:02:39.547 INFO kablam!      |                 ----^^^^^^^
Jul 12 06:02:39.547 INFO kablam!      |                 |
Jul 12 06:02:39.547 INFO kablam!      |                 help: remove this `mut`
Jul 12 06:02:39.550 INFO kablam! 
Jul 12 06:02:43.902 INFO kablam! warning: unused import: `std::str`
Jul 12 06:02:43.902 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Jul 12 06:02:43.902 INFO kablam!   |
Jul 12 06:02:43.902 INFO kablam! 8 | use std::str;
Jul 12 06:02:43.902 INFO kablam!   |     ^^^^^^^^
Jul 12 06:02:43.903 INFO kablam!   |
Jul 12 06:02:43.903 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 06:02:43.904 INFO kablam! 
Jul 12 06:02:44.065 INFO kablam! warning: unused import: `std::str`
Jul 12 06:02:44.065 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Jul 12 06:02:44.065 INFO kablam!   |
Jul 12 06:02:44.065 INFO kablam! 8 | use std::str;
Jul 12 06:02:44.065 INFO kablam!   |     ^^^^^^^^
Jul 12 06:02:44.086 INFO kablam!   |
Jul 12 06:02:44.087 INFO kablam!   = note: #[warn(unused_imports)] on by default
Jul 12 06:02:44.087 INFO kablam! 
Jul 12 06:02:45.006 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 38.91s
Jul 12 06:02:45.033 INFO kablam! su: No module specific data is present
Jul 12 06:02:45.569 INFO running `"docker" "rm" "-f" "b5365c1441d28f48da0aca92026a8a94d3216fe553cd26071eb0bfb1991d9237"`
Jul 12 06:02:45.737 INFO blam! b5365c1441d28f48da0aca92026a8a94d3216fe553cd26071eb0bfb1991d9237