Dec 18 14:42:02.949 INFO checking kailua_check-1.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:42:02.949 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/kailua_check/1.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:42:03.468 INFO [stdout] 31f3e3ccee9981c47761eeab09df76df37c178b6c481d0cf5a61a466fa5ce360
Dec 18 14:42:03.468 INFO running `"docker" "start" "-a" "31f3e3ccee9981c47761eeab09df76df37c178b6c481d0cf5a61a466fa5ce360"`
Dec 18 14:42:04.486 INFO [stderr]     Checking kailua_test v1.0.4
Dec 18 14:42:04.486 INFO [stderr]     Checking kailua_check v1.1.0 (/opt/crater/workdir)
Dec 18 14:42:05.856 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 18 14:42:05.856 INFO [stderr]  --> src/options.rs:4:5
Dec 18 14:42:05.856 INFO [stderr]   |
Dec 18 14:42:05.856 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 18 14:42:05.856 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 14:42:05.856 INFO [stderr]   |
Dec 18 14:42:05.856 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 14:42:05.856 INFO [stderr] 
Dec 18 14:42:06.772 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 18 14:42:06.772 INFO [stderr]  --> src/options.rs:4:5
Dec 18 14:42:06.772 INFO [stderr]   |
Dec 18 14:42:06.772 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 18 14:42:06.772 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 14:42:06.772 INFO [stderr]   |
Dec 18 14:42:06.772 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 18 14:42:06.772 INFO [stderr] 
Dec 18 14:42:07.364 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 18 14:42:07.364 INFO [stderr]  --> src/options.rs:4:5
Dec 18 14:42:07.364 INFO [stderr]   |
Dec 18 14:42:07.364 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 18 14:42:07.364 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 14:42:07.364 INFO [stderr]   |
Dec 18 14:42:07.364 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:42:07.364 INFO [stderr] 
Dec 18 14:42:07.702 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:42:07.702 INFO [stderr]    --> src/env.rs:974:17
Dec 18 14:42:07.702 INFO [stderr]     |
Dec 18 14:42:07.702 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 18 14:42:07.702 INFO [stderr]     |                 ----^^^
Dec 18 14:42:07.702 INFO [stderr]     |                 |
Dec 18 14:42:07.702 INFO [stderr]     |                 help: remove this `mut`
Dec 18 14:42:07.702 INFO [stderr]     |
Dec 18 14:42:07.702 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 14:42:07.702 INFO [stderr] 
Dec 18 14:42:07.720 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:42:07.721 INFO [stderr]     --> src/env.rs:1194:13
Dec 18 14:42:07.721 INFO [stderr]      |
Dec 18 14:42:07.721 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 18 14:42:07.721 INFO [stderr]      |             ----^^^
Dec 18 14:42:07.721 INFO [stderr]      |             |
Dec 18 14:42:07.721 INFO [stderr]      |             help: remove this `mut`
Dec 18 14:42:07.721 INFO [stderr] 
Dec 18 14:42:08.044 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:42:08.044 INFO [stderr]     --> src/check.rs:1302:13
Dec 18 14:42:08.044 INFO [stderr]      |
Dec 18 14:42:08.044 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 18 14:42:08.044 INFO [stderr]      |             ----^^^^^^^
Dec 18 14:42:08.044 INFO [stderr]      |             |
Dec 18 14:42:08.044 INFO [stderr]      |             help: remove this `mut`
Dec 18 14:42:08.044 INFO [stderr] 
Dec 18 14:42:08.232 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:42:08.232 INFO [stderr]     --> src/check.rs:2882:17
Dec 18 14:42:08.232 INFO [stderr]      |
Dec 18 14:42:08.232 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 18 14:42:08.232 INFO [stderr]      |                 ----^^^^^^^
Dec 18 14:42:08.232 INFO [stderr]      |                 |
Dec 18 14:42:08.232 INFO [stderr]      |                 help: remove this `mut`
Dec 18 14:42:08.232 INFO [stderr] 
Dec 18 14:42:08.296 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 18 14:42:08.296 INFO [stderr]  --> src/options.rs:4:5
Dec 18 14:42:08.296 INFO [stderr]   |
Dec 18 14:42:08.296 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 18 14:42:08.296 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 14:42:08.296 INFO [stderr]   |
Dec 18 14:42:08.296 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:42:08.296 INFO [stderr] 
Dec 18 14:42:08.662 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:42:08.664 INFO [stderr]    --> src/env.rs:974:17
Dec 18 14:42:08.664 INFO [stderr]     |
Dec 18 14:42:08.664 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 18 14:42:08.664 INFO [stderr]     |                 ----^^^
Dec 18 14:42:08.664 INFO [stderr]     |                 |
Dec 18 14:42:08.664 INFO [stderr]     |                 help: remove this `mut`
Dec 18 14:42:08.664 INFO [stderr]     |
Dec 18 14:42:08.664 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 14:42:08.664 INFO [stderr] 
Dec 18 14:42:08.709 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:42:08.709 INFO [stderr]     --> src/env.rs:1194:13
Dec 18 14:42:08.709 INFO [stderr]      |
Dec 18 14:42:08.709 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 18 14:42:08.709 INFO [stderr]      |             ----^^^
Dec 18 14:42:08.709 INFO [stderr]      |             |
Dec 18 14:42:08.709 INFO [stderr]      |             help: remove this `mut`
Dec 18 14:42:08.712 INFO [stderr] 
Dec 18 14:42:09.004 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:42:09.004 INFO [stderr]     --> src/check.rs:1302:13
Dec 18 14:42:09.004 INFO [stderr]      |
Dec 18 14:42:09.004 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 18 14:42:09.004 INFO [stderr]      |             ----^^^^^^^
Dec 18 14:42:09.004 INFO [stderr]      |             |
Dec 18 14:42:09.004 INFO [stderr]      |             help: remove this `mut`
Dec 18 14:42:09.004 INFO [stderr] 
Dec 18 14:42:09.408 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:42:09.408 INFO [stderr]     --> src/check.rs:2882:17
Dec 18 14:42:09.408 INFO [stderr]      |
Dec 18 14:42:09.408 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 18 14:42:09.408 INFO [stderr]      |                 ----^^^^^^^
Dec 18 14:42:09.408 INFO [stderr]      |                 |
Dec 18 14:42:09.408 INFO [stderr]      |                 help: remove this `mut`
Dec 18 14:42:09.412 INFO [stderr] 
Dec 18 14:42:09.488 INFO [stderr] warning: unused import: `std::str`
Dec 18 14:42:09.488 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Dec 18 14:42:09.488 INFO [stderr]   |
Dec 18 14:42:09.488 INFO [stderr] 8 | use std::str;
Dec 18 14:42:09.488 INFO [stderr]   |     ^^^^^^^^
Dec 18 14:42:09.488 INFO [stderr]   |
Dec 18 14:42:09.488 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:42:09.488 INFO [stderr] 
Dec 18 14:42:10.047 INFO [stderr] warning: unused import: `std::str`
Dec 18 14:42:10.047 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Dec 18 14:42:10.047 INFO [stderr]   |
Dec 18 14:42:10.047 INFO [stderr] 8 | use std::str;
Dec 18 14:42:10.047 INFO [stderr]   |     ^^^^^^^^
Dec 18 14:42:10.047 INFO [stderr]   |
Dec 18 14:42:10.047 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:42:10.047 INFO [stderr] 
Dec 18 14:42:10.176 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.77s
Dec 18 14:42:10.488 INFO running `"docker" "inspect" "31f3e3ccee9981c47761eeab09df76df37c178b6c481d0cf5a61a466fa5ce360"`
Dec 18 14:42:10.642 INFO running `"docker" "rm" "-f" "31f3e3ccee9981c47761eeab09df76df37c178b6c481d0cf5a61a466fa5ce360"`
Dec 18 14:42:10.760 INFO [stdout] 31f3e3ccee9981c47761eeab09df76df37c178b6c481d0cf5a61a466fa5ce360