Dec 05 11:23:20.785 INFO checking kailua_check-1.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:23:20.785 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 11:23:21.107 INFO [stdout] 1863beb23f16f0f43e16642d454666e13ea52de4f2020a97f621d09f57be60d6
Dec 05 11:23:21.107 INFO running `"docker" "start" "-a" "1863beb23f16f0f43e16642d454666e13ea52de4f2020a97f621d09f57be60d6"`
Dec 05 11:23:22.011 INFO [stderr] usermod: no changes
Dec 05 11:23:22.117 INFO [stderr]     Checking kailua_test v1.0.4
Dec 05 11:23:22.117 INFO [stderr]     Checking kailua_types v1.1.0
Dec 05 11:23:27.113 INFO [stderr]     Checking kailua_check v1.1.0 (/source)
Dec 05 11:23:30.199 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 05 11:23:30.199 INFO [stderr]  --> src/options.rs:4:5
Dec 05 11:23:30.199 INFO [stderr]   |
Dec 05 11:23:30.199 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 05 11:23:30.199 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:23:30.199 INFO [stderr]   |
Dec 05 11:23:30.199 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 05 11:23:30.199 INFO [stderr] 
Dec 05 11:23:30.535 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 05 11:23:30.535 INFO [stderr]  --> src/options.rs:4:5
Dec 05 11:23:30.535 INFO [stderr]   |
Dec 05 11:23:30.535 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 05 11:23:30.535 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:23:30.535 INFO [stderr]   |
Dec 05 11:23:30.535 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 05 11:23:30.535 INFO [stderr] 
Dec 05 11:23:32.135 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 05 11:23:32.135 INFO [stderr]  --> src/options.rs:4:5
Dec 05 11:23:32.135 INFO [stderr]   |
Dec 05 11:23:32.135 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 05 11:23:32.135 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:23:32.135 INFO [stderr]   |
Dec 05 11:23:32.135 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:23:32.135 INFO [stderr] 
Dec 05 11:23:32.435 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:32.435 INFO [stderr]    --> src/env.rs:974:17
Dec 05 11:23:32.435 INFO [stderr]     |
Dec 05 11:23:32.435 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 05 11:23:32.435 INFO [stderr]     |                 ----^^^
Dec 05 11:23:32.435 INFO [stderr]     |                 |
Dec 05 11:23:32.435 INFO [stderr]     |                 help: remove this `mut`
Dec 05 11:23:32.435 INFO [stderr]     |
Dec 05 11:23:32.435 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 11:23:32.435 INFO [stderr] 
Dec 05 11:23:32.435 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:32.435 INFO [stderr]     --> src/env.rs:1194:13
Dec 05 11:23:32.435 INFO [stderr]      |
Dec 05 11:23:32.435 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 05 11:23:32.435 INFO [stderr]      |             ----^^^
Dec 05 11:23:32.435 INFO [stderr]      |             |
Dec 05 11:23:32.435 INFO [stderr]      |             help: remove this `mut`
Dec 05 11:23:32.435 INFO [stderr] 
Dec 05 11:23:32.647 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:32.647 INFO [stderr]     --> src/check.rs:1302:13
Dec 05 11:23:32.647 INFO [stderr]      |
Dec 05 11:23:32.647 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 05 11:23:32.647 INFO [stderr]      |             ----^^^^^^^
Dec 05 11:23:32.647 INFO [stderr]      |             |
Dec 05 11:23:32.647 INFO [stderr]      |             help: remove this `mut`
Dec 05 11:23:32.647 INFO [stderr] 
Dec 05 11:23:32.775 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 05 11:23:32.775 INFO [stderr]  --> src/options.rs:4:5
Dec 05 11:23:32.775 INFO [stderr]   |
Dec 05 11:23:32.775 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 05 11:23:32.775 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:23:32.775 INFO [stderr]   |
Dec 05 11:23:32.775 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:23:32.775 INFO [stderr] 
Dec 05 11:23:32.799 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:32.799 INFO [stderr]     --> src/check.rs:2882:17
Dec 05 11:23:32.799 INFO [stderr]      |
Dec 05 11:23:32.799 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 05 11:23:32.799 INFO [stderr]      |                 ----^^^^^^^
Dec 05 11:23:32.799 INFO [stderr]      |                 |
Dec 05 11:23:32.799 INFO [stderr]      |                 help: remove this `mut`
Dec 05 11:23:32.799 INFO [stderr] 
Dec 05 11:23:33.723 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:33.723 INFO [stderr]    --> src/env.rs:974:17
Dec 05 11:23:33.723 INFO [stderr]     |
Dec 05 11:23:33.723 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 05 11:23:33.724 INFO [stderr]     |                 ----^^^
Dec 05 11:23:33.724 INFO [stderr]     |                 |
Dec 05 11:23:33.724 INFO [stderr]     |                 help: remove this `mut`
Dec 05 11:23:33.724 INFO [stderr]     |
Dec 05 11:23:33.724 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 11:23:33.724 INFO [stderr] 
Dec 05 11:23:33.744 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:33.744 INFO [stderr]     --> src/env.rs:1194:13
Dec 05 11:23:33.744 INFO [stderr]      |
Dec 05 11:23:33.744 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 05 11:23:33.744 INFO [stderr]      |             ----^^^
Dec 05 11:23:33.744 INFO [stderr]      |             |
Dec 05 11:23:33.744 INFO [stderr]      |             help: remove this `mut`
Dec 05 11:23:33.744 INFO [stderr] 
Dec 05 11:23:34.658 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:34.659 INFO [stderr]     --> src/check.rs:1302:13
Dec 05 11:23:34.659 INFO [stderr]      |
Dec 05 11:23:34.659 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 05 11:23:34.659 INFO [stderr]      |             ----^^^^^^^
Dec 05 11:23:34.659 INFO [stderr]      |             |
Dec 05 11:23:34.659 INFO [stderr]      |             help: remove this `mut`
Dec 05 11:23:34.659 INFO [stderr] 
Dec 05 11:23:35.279 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:35.279 INFO [stderr]     --> src/check.rs:2882:17
Dec 05 11:23:35.279 INFO [stderr]      |
Dec 05 11:23:35.279 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 05 11:23:35.279 INFO [stderr]      |                 ----^^^^^^^
Dec 05 11:23:35.279 INFO [stderr]      |                 |
Dec 05 11:23:35.279 INFO [stderr]      |                 help: remove this `mut`
Dec 05 11:23:35.279 INFO [stderr] 
Dec 05 11:23:39.107 INFO [stderr] warning: unused import: `std::str`
Dec 05 11:23:39.107 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Dec 05 11:23:39.107 INFO [stderr]   |
Dec 05 11:23:39.107 INFO [stderr] 8 | use std::str;
Dec 05 11:23:39.107 INFO [stderr]   |     ^^^^^^^^
Dec 05 11:23:39.107 INFO [stderr]   |
Dec 05 11:23:39.107 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:23:39.107 INFO [stderr] 
Dec 05 11:23:39.536 INFO [stderr] warning: unused import: `std::str`
Dec 05 11:23:39.536 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Dec 05 11:23:39.536 INFO [stderr]   |
Dec 05 11:23:39.536 INFO [stderr] 8 | use std::str;
Dec 05 11:23:39.536 INFO [stderr]   |     ^^^^^^^^
Dec 05 11:23:39.536 INFO [stderr]   |
Dec 05 11:23:39.536 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:23:39.536 INFO [stderr] 
Dec 05 11:23:39.675 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.63s
Dec 05 11:23:39.687 INFO [stderr] su: No module specific data is present
Dec 05 11:23:40.932 INFO running `"docker" "inspect" "1863beb23f16f0f43e16642d454666e13ea52de4f2020a97f621d09f57be60d6"`
Dec 05 11:23:41.259 INFO running `"docker" "rm" "-f" "1863beb23f16f0f43e16642d454666e13ea52de4f2020a97f621d09f57be60d6"`
Dec 05 11:23:41.679 INFO [stdout] 1863beb23f16f0f43e16642d454666e13ea52de4f2020a97f621d09f57be60d6