Sep 04 13:02:37.234 INFO checking kailua_check-1.1.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 13:02:37.234 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 13:02:37.235 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 13:02:37.410 INFO blam! 93dadd095005e58cab5b4df971e17399ef07876bc5cca2b551dddc0c5471f5a7
Sep 04 13:02:37.412 INFO running `"docker" "start" "-a" "93dadd095005e58cab5b4df971e17399ef07876bc5cca2b551dddc0c5471f5a7"`
Sep 04 13:02:38.137 INFO kablam!     Checking kailua_test v1.0.4
Sep 04 13:02:38.137 INFO kablam!     Checking kailua_types v1.1.0
Sep 04 13:02:46.531 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Sep 04 13:02:48.857 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 04 13:02:48.857 INFO kablam!  --> src/options.rs:4:5
Sep 04 13:02:48.857 INFO kablam!   |
Sep 04 13:02:48.858 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 04 13:02:48.858 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 13:02:48.858 INFO kablam!   |
Sep 04 13:02:48.858 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 04 13:02:48.858 INFO kablam! 
Sep 04 13:02:48.945 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 04 13:02:48.945 INFO kablam!  --> src/options.rs:4:5
Sep 04 13:02:48.945 INFO kablam!   |
Sep 04 13:02:48.946 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 04 13:02:48.946 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 13:02:48.946 INFO kablam!   |
Sep 04 13:02:48.946 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 04 13:02:48.946 INFO kablam! 
Sep 04 13:02:51.190 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 04 13:02:51.190 INFO kablam!  --> src/options.rs:4:5
Sep 04 13:02:51.190 INFO kablam!   |
Sep 04 13:02:51.190 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 04 13:02:51.190 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 13:02:51.190 INFO kablam!   |
Sep 04 13:02:51.190 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 13:02:51.190 INFO kablam! 
Sep 04 13:02:51.308 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 04 13:02:51.308 INFO kablam!  --> src/options.rs:4:5
Sep 04 13:02:51.308 INFO kablam!   |
Sep 04 13:02:51.308 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 04 13:02:51.309 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 04 13:02:51.309 INFO kablam!   |
Sep 04 13:02:51.309 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 13:02:51.309 INFO kablam! 
Sep 04 13:02:51.828 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:02:51.828 INFO kablam!    --> src/env.rs:974:17
Sep 04 13:02:51.828 INFO kablam!     |
Sep 04 13:02:51.828 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 04 13:02:51.828 INFO kablam!     |                 ----^^^
Sep 04 13:02:51.828 INFO kablam!     |                 |
Sep 04 13:02:51.828 INFO kablam!     |                 help: remove this `mut`
Sep 04 13:02:51.828 INFO kablam!     |
Sep 04 13:02:51.828 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 13:02:51.828 INFO kablam! 
Sep 04 13:02:51.835 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:02:51.835 INFO kablam!    --> src/env.rs:974:17
Sep 04 13:02:51.835 INFO kablam!     |
Sep 04 13:02:51.835 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 04 13:02:51.835 INFO kablam!     |                 ----^^^
Sep 04 13:02:51.835 INFO kablam!     |                 |
Sep 04 13:02:51.835 INFO kablam!     |                 help: remove this `mut`
Sep 04 13:02:51.835 INFO kablam!     |
Sep 04 13:02:51.835 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 13:02:51.835 INFO kablam! 
Sep 04 13:02:51.863 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:02:51.863 INFO kablam!     --> src/env.rs:1194:13
Sep 04 13:02:51.863 INFO kablam!      |
Sep 04 13:02:51.863 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 04 13:02:51.863 INFO kablam!      |             ----^^^
Sep 04 13:02:51.863 INFO kablam!      |             |
Sep 04 13:02:51.863 INFO kablam!      |             help: remove this `mut`
Sep 04 13:02:51.863 INFO kablam! 
Sep 04 13:02:51.866 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:02:51.866 INFO kablam!     --> src/env.rs:1194:13
Sep 04 13:02:51.866 INFO kablam!      |
Sep 04 13:02:51.866 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 04 13:02:51.866 INFO kablam!      |             ----^^^
Sep 04 13:02:51.866 INFO kablam!      |             |
Sep 04 13:02:51.866 INFO kablam!      |             help: remove this `mut`
Sep 04 13:02:51.866 INFO kablam! 
Sep 04 13:02:52.232 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:02:52.232 INFO kablam!     --> src/check.rs:1302:13
Sep 04 13:02:52.232 INFO kablam!      |
Sep 04 13:02:52.232 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 04 13:02:52.232 INFO kablam!      |             ----^^^^^^^
Sep 04 13:02:52.232 INFO kablam!      |             |
Sep 04 13:02:52.232 INFO kablam!      |             help: remove this `mut`
Sep 04 13:02:52.232 INFO kablam! 
Sep 04 13:02:52.342 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:02:52.342 INFO kablam!     --> src/check.rs:1302:13
Sep 04 13:02:52.342 INFO kablam!      |
Sep 04 13:02:52.342 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 04 13:02:52.342 INFO kablam!      |             ----^^^^^^^
Sep 04 13:02:52.342 INFO kablam!      |             |
Sep 04 13:02:52.342 INFO kablam!      |             help: remove this `mut`
Sep 04 13:02:52.342 INFO kablam! 
Sep 04 13:02:52.504 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:02:52.504 INFO kablam!     --> src/check.rs:2882:17
Sep 04 13:02:52.504 INFO kablam!      |
Sep 04 13:02:52.504 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 04 13:02:52.504 INFO kablam!      |                 ----^^^^^^^
Sep 04 13:02:52.504 INFO kablam!      |                 |
Sep 04 13:02:52.505 INFO kablam!      |                 help: remove this `mut`
Sep 04 13:02:52.505 INFO kablam! 
Sep 04 13:02:52.631 INFO kablam! warning: variable does not need to be mutable
Sep 04 13:02:52.631 INFO kablam!     --> src/check.rs:2882:17
Sep 04 13:02:52.631 INFO kablam!      |
Sep 04 13:02:52.631 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 04 13:02:52.631 INFO kablam!      |                 ----^^^^^^^
Sep 04 13:02:52.631 INFO kablam!      |                 |
Sep 04 13:02:52.631 INFO kablam!      |                 help: remove this `mut`
Sep 04 13:02:52.631 INFO kablam! 
Sep 04 13:02:55.413 INFO kablam! warning: unused import: `std::str`
Sep 04 13:02:55.413 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 04 13:02:55.413 INFO kablam!   |
Sep 04 13:02:55.413 INFO kablam! 8 | use std::str;
Sep 04 13:02:55.413 INFO kablam!   |     ^^^^^^^^
Sep 04 13:02:55.413 INFO kablam!   |
Sep 04 13:02:55.413 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 13:02:55.413 INFO kablam! 
Sep 04 13:02:55.489 INFO kablam! warning: unused import: `std::str`
Sep 04 13:02:55.491 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 04 13:02:55.491 INFO kablam!   |
Sep 04 13:02:55.491 INFO kablam! 8 | use std::str;
Sep 04 13:02:55.491 INFO kablam!   |     ^^^^^^^^
Sep 04 13:02:55.491 INFO kablam!   |
Sep 04 13:02:55.491 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 04 13:02:55.491 INFO kablam! 
Sep 04 13:02:55.727 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.67s
Sep 04 13:02:55.741 INFO kablam! su: No module specific data is present
Sep 04 13:02:56.250 INFO running `"docker" "rm" "-f" "93dadd095005e58cab5b4df971e17399ef07876bc5cca2b551dddc0c5471f5a7"`
Sep 04 13:02:56.361 INFO blam! 93dadd095005e58cab5b4df971e17399ef07876bc5cca2b551dddc0c5471f5a7