Nov 18 08:05:48.761 INFO testing kailua_check-1.1.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 08:05:48.761 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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"`
Nov 18 08:05:48.963 INFO [stdout] c1f30e1d04e55634b5985b1d7c9f224c0a4a447bcba70945aad60e7f42ae7eff
Nov 18 08:05:48.968 INFO running `"docker" "start" "-a" "c1f30e1d04e55634b5985b1d7c9f224c0a4a447bcba70945aad60e7f42ae7eff"`
Nov 18 08:05:49.467 INFO [stderr] usermod: no changes
Nov 18 08:05:49.553 INFO [stderr]    Compiling kailua_check v1.1.0 (/source)
Nov 18 08:05:51.472 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Nov 18 08:05:51.473 INFO [stderr]  --> src/options.rs:4:5
Nov 18 08:05:51.473 INFO [stderr]   |
Nov 18 08:05:51.473 INFO [stderr] 4 | use std::ascii::AsciiExt;
Nov 18 08:05:51.473 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 18 08:05:51.473 INFO [stderr]   |
Nov 18 08:05:51.473 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 18 08:05:51.473 INFO [stderr] 
Nov 18 08:05:52.872 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Nov 18 08:05:52.872 INFO [stderr]  --> src/options.rs:4:5
Nov 18 08:05:52.872 INFO [stderr]   |
Nov 18 08:05:52.872 INFO [stderr] 4 | use std::ascii::AsciiExt;
Nov 18 08:05:52.872 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 18 08:05:52.872 INFO [stderr]   |
Nov 18 08:05:52.872 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 08:05:52.872 INFO [stderr] 
Nov 18 08:05:53.207 INFO [stderr] warning: variable does not need to be mutable
Nov 18 08:05:53.207 INFO [stderr]    --> src/env.rs:974:17
Nov 18 08:05:53.208 INFO [stderr]     |
Nov 18 08:05:53.208 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Nov 18 08:05:53.208 INFO [stderr]     |                 ----^^^
Nov 18 08:05:53.209 INFO [stderr]     |                 |
Nov 18 08:05:53.209 INFO [stderr]     |                 help: remove this `mut`
Nov 18 08:05:53.209 INFO [stderr]     |
Nov 18 08:05:53.209 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 08:05:53.210 INFO [stderr] 
Nov 18 08:05:53.219 INFO [stderr] warning: variable does not need to be mutable
Nov 18 08:05:53.219 INFO [stderr]     --> src/env.rs:1194:13
Nov 18 08:05:53.219 INFO [stderr]      |
Nov 18 08:05:53.220 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Nov 18 08:05:53.220 INFO [stderr]      |             ----^^^
Nov 18 08:05:53.220 INFO [stderr]      |             |
Nov 18 08:05:53.221 INFO [stderr]      |             help: remove this `mut`
Nov 18 08:05:53.221 INFO [stderr] 
Nov 18 08:05:53.464 INFO [stderr] warning: variable does not need to be mutable
Nov 18 08:05:53.464 INFO [stderr]     --> src/check.rs:1302:13
Nov 18 08:05:53.464 INFO [stderr]      |
Nov 18 08:05:53.464 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Nov 18 08:05:53.464 INFO [stderr]      |             ----^^^^^^^
Nov 18 08:05:53.464 INFO [stderr]      |             |
Nov 18 08:05:53.464 INFO [stderr]      |             help: remove this `mut`
Nov 18 08:05:53.464 INFO [stderr] 
Nov 18 08:05:53.627 INFO [stderr] warning: variable does not need to be mutable
Nov 18 08:05:53.627 INFO [stderr]     --> src/check.rs:2882:17
Nov 18 08:05:53.627 INFO [stderr]      |
Nov 18 08:05:53.627 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Nov 18 08:05:53.627 INFO [stderr]      |                 ----^^^^^^^
Nov 18 08:05:53.627 INFO [stderr]      |                 |
Nov 18 08:05:53.627 INFO [stderr]      |                 help: remove this `mut`
Nov 18 08:05:53.627 INFO [stderr] 
Nov 18 08:05:58.219 INFO [stderr] warning: unused import: `std::str`
Nov 18 08:05:58.219 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Nov 18 08:05:58.219 INFO [stderr]   |
Nov 18 08:05:58.219 INFO [stderr] 8 | use std::str;
Nov 18 08:05:58.219 INFO [stderr]   |     ^^^^^^^^
Nov 18 08:05:58.219 INFO [stderr]   |
Nov 18 08:05:58.219 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 08:05:58.219 INFO [stderr] 
Nov 18 08:06:05.001 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.51s
Nov 18 08:06:05.011 INFO [stderr] su: No module specific data is present
Nov 18 08:06:05.348 INFO running `"docker" "inspect" "c1f30e1d04e55634b5985b1d7c9f224c0a4a447bcba70945aad60e7f42ae7eff"`
Nov 18 08:06:05.460 INFO running `"docker" "rm" "-f" "c1f30e1d04e55634b5985b1d7c9f224c0a4a447bcba70945aad60e7f42ae7eff"`
Nov 18 08:06:05.572 INFO [stdout] c1f30e1d04e55634b5985b1d7c9f224c0a4a447bcba70945aad60e7f42ae7eff
Nov 18 08:06:05.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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"`
Nov 18 08:06:05.743 INFO [stdout] a949f7b31bd852a2331a08cc66fbf8b3783dcacfa3b9f78172b32af7d6e7e404
Nov 18 08:06:05.748 INFO running `"docker" "start" "-a" "a949f7b31bd852a2331a08cc66fbf8b3783dcacfa3b9f78172b32af7d6e7e404"`
Nov 18 08:06:06.569 INFO [stderr] usermod: no changes
Nov 18 08:06:06.656 INFO [stderr]    Compiling kailua_test v1.0.4
Nov 18 08:06:09.675 INFO [stderr]    Compiling kailua_check v1.1.0 (/source)
Nov 18 08:06:12.267 INFO [stderr] warning: unused import: `std::str`
Nov 18 08:06:12.267 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Nov 18 08:06:12.268 INFO [stderr]   |
Nov 18 08:06:12.268 INFO [stderr] 8 | use std::str;
Nov 18 08:06:12.268 INFO [stderr]   |     ^^^^^^^^
Nov 18 08:06:12.269 INFO [stderr]   |
Nov 18 08:06:12.269 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 08:06:12.269 INFO [stderr] 
Nov 18 08:06:12.622 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Nov 18 08:06:12.622 INFO [stderr]  --> src/options.rs:4:5
Nov 18 08:06:12.622 INFO [stderr]   |
Nov 18 08:06:12.622 INFO [stderr] 4 | use std::ascii::AsciiExt;
Nov 18 08:06:12.622 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 18 08:06:12.622 INFO [stderr]   |
Nov 18 08:06:12.622 INFO [stderr]   = note: #[warn(deprecated)] on by default
Nov 18 08:06:12.622 INFO [stderr] 
Nov 18 08:06:13.957 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Nov 18 08:06:13.957 INFO [stderr]  --> src/options.rs:4:5
Nov 18 08:06:13.957 INFO [stderr]   |
Nov 18 08:06:13.957 INFO [stderr] 4 | use std::ascii::AsciiExt;
Nov 18 08:06:13.957 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Nov 18 08:06:13.957 INFO [stderr]   |
Nov 18 08:06:13.957 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 18 08:06:13.957 INFO [stderr] 
Nov 18 08:06:14.322 INFO [stderr] warning: variable does not need to be mutable
Nov 18 08:06:14.322 INFO [stderr]    --> src/env.rs:974:17
Nov 18 08:06:14.322 INFO [stderr]     |
Nov 18 08:06:14.322 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Nov 18 08:06:14.322 INFO [stderr]     |                 ----^^^
Nov 18 08:06:14.322 INFO [stderr]     |                 |
Nov 18 08:06:14.322 INFO [stderr]     |                 help: remove this `mut`
Nov 18 08:06:14.322 INFO [stderr]     |
Nov 18 08:06:14.322 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 18 08:06:14.322 INFO [stderr] 
Nov 18 08:06:14.331 INFO [stderr] warning: variable does not need to be mutable
Nov 18 08:06:14.331 INFO [stderr]     --> src/env.rs:1194:13
Nov 18 08:06:14.332 INFO [stderr]      |
Nov 18 08:06:14.332 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Nov 18 08:06:14.332 INFO [stderr]      |             ----^^^
Nov 18 08:06:14.333 INFO [stderr]      |             |
Nov 18 08:06:14.334 INFO [stderr]      |             help: remove this `mut`
Nov 18 08:06:14.334 INFO [stderr] 
Nov 18 08:06:14.791 INFO [stderr] warning: variable does not need to be mutable
Nov 18 08:06:14.792 INFO [stderr]     --> src/check.rs:1302:13
Nov 18 08:06:14.792 INFO [stderr]      |
Nov 18 08:06:14.792 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Nov 18 08:06:14.793 INFO [stderr]      |             ----^^^^^^^
Nov 18 08:06:14.793 INFO [stderr]      |             |
Nov 18 08:06:14.793 INFO [stderr]      |             help: remove this `mut`
Nov 18 08:06:14.793 INFO [stderr] 
Nov 18 08:06:15.019 INFO [stderr] warning: variable does not need to be mutable
Nov 18 08:06:15.019 INFO [stderr]     --> src/check.rs:2882:17
Nov 18 08:06:15.019 INFO [stderr]      |
Nov 18 08:06:15.019 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Nov 18 08:06:15.019 INFO [stderr]      |                 ----^^^^^^^
Nov 18 08:06:15.019 INFO [stderr]      |                 |
Nov 18 08:06:15.019 INFO [stderr]      |                 help: remove this `mut`
Nov 18 08:06:15.019 INFO [stderr] 
Nov 18 08:06:20.226 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.64s
Nov 18 08:06:20.234 INFO [stderr] su: No module specific data is present
Nov 18 08:06:21.674 INFO running `"docker" "inspect" "a949f7b31bd852a2331a08cc66fbf8b3783dcacfa3b9f78172b32af7d6e7e404"`
Nov 18 08:06:22.039 INFO running `"docker" "rm" "-f" "a949f7b31bd852a2331a08cc66fbf8b3783dcacfa3b9f78172b32af7d6e7e404"`
Nov 18 08:06:22.375 INFO [stdout] a949f7b31bd852a2331a08cc66fbf8b3783dcacfa3b9f78172b32af7d6e7e404