Dec 07 09:21:20.522 INFO testing kailua_check-1.1.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 09:21:20.522 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 07 09:21:21.088 INFO [stdout] 571680bbfdedb60ce77e35fd0c13fdec666a90750d47835a4c4617b95898782f
Dec 07 09:21:21.094 INFO running `"docker" "start" "-a" "571680bbfdedb60ce77e35fd0c13fdec666a90750d47835a4c4617b95898782f"`
Dec 07 09:21:21.986 INFO [stderr] usermod: no changes
Dec 07 09:21:22.140 INFO [stderr]    Compiling parse-generics-shim v0.1.1
Dec 07 09:21:22.140 INFO [stderr]    Compiling kailua_env v1.0.4
Dec 07 09:21:22.140 INFO [stderr]    Compiling atomic v0.3.4
Dec 07 09:21:24.185 INFO [stderr]    Compiling kailua_diag v1.0.4
Dec 07 09:21:25.750 INFO [stderr]    Compiling kailua_syntax v1.1.0
Dec 07 09:21:34.212 INFO [stderr]    Compiling kailua_types v1.1.0
Dec 07 09:21:45.240 INFO [stderr]    Compiling kailua_check v1.1.0 (/source)
Dec 07 09:21:47.282 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 07 09:21:47.282 INFO [stderr]  --> src/options.rs:4:5
Dec 07 09:21:47.282 INFO [stderr]   |
Dec 07 09:21:47.282 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 07 09:21:47.282 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:21:47.282 INFO [stderr]   |
Dec 07 09:21:47.282 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 07 09:21:47.282 INFO [stderr] 
Dec 07 09:21:48.419 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 07 09:21:48.420 INFO [stderr]  --> src/options.rs:4:5
Dec 07 09:21:48.420 INFO [stderr]   |
Dec 07 09:21:48.420 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 07 09:21:48.420 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:21:48.420 INFO [stderr]   |
Dec 07 09:21:48.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 09:21:48.420 INFO [stderr] 
Dec 07 09:21:48.728 INFO [stderr] warning: variable does not need to be mutable
Dec 07 09:21:48.728 INFO [stderr]    --> src/env.rs:974:17
Dec 07 09:21:48.728 INFO [stderr]     |
Dec 07 09:21:48.728 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 07 09:21:48.728 INFO [stderr]     |                 ----^^^
Dec 07 09:21:48.728 INFO [stderr]     |                 |
Dec 07 09:21:48.728 INFO [stderr]     |                 help: remove this `mut`
Dec 07 09:21:48.728 INFO [stderr]     |
Dec 07 09:21:48.728 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 09:21:48.728 INFO [stderr] 
Dec 07 09:21:48.750 INFO [stderr] warning: variable does not need to be mutable
Dec 07 09:21:48.750 INFO [stderr]     --> src/env.rs:1194:13
Dec 07 09:21:48.750 INFO [stderr]      |
Dec 07 09:21:48.750 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 07 09:21:48.750 INFO [stderr]      |             ----^^^
Dec 07 09:21:48.750 INFO [stderr]      |             |
Dec 07 09:21:48.750 INFO [stderr]      |             help: remove this `mut`
Dec 07 09:21:48.750 INFO [stderr] 
Dec 07 09:21:49.032 INFO [stderr] warning: variable does not need to be mutable
Dec 07 09:21:49.032 INFO [stderr]     --> src/check.rs:1302:13
Dec 07 09:21:49.032 INFO [stderr]      |
Dec 07 09:21:49.032 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 07 09:21:49.032 INFO [stderr]      |             ----^^^^^^^
Dec 07 09:21:49.032 INFO [stderr]      |             |
Dec 07 09:21:49.032 INFO [stderr]      |             help: remove this `mut`
Dec 07 09:21:49.032 INFO [stderr] 
Dec 07 09:21:49.176 INFO [stderr] warning: variable does not need to be mutable
Dec 07 09:21:49.176 INFO [stderr]     --> src/check.rs:2882:17
Dec 07 09:21:49.176 INFO [stderr]      |
Dec 07 09:21:49.176 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 07 09:21:49.176 INFO [stderr]      |                 ----^^^^^^^
Dec 07 09:21:49.176 INFO [stderr]      |                 |
Dec 07 09:21:49.176 INFO [stderr]      |                 help: remove this `mut`
Dec 07 09:21:49.176 INFO [stderr] 
Dec 07 09:21:54.180 INFO [stderr] warning: unused import: `std::str`
Dec 07 09:21:54.180 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Dec 07 09:21:54.180 INFO [stderr]   |
Dec 07 09:21:54.180 INFO [stderr] 8 | use std::str;
Dec 07 09:21:54.181 INFO [stderr]   |     ^^^^^^^^
Dec 07 09:21:54.181 INFO [stderr]   |
Dec 07 09:21:54.181 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 09:21:54.181 INFO [stderr] 
Dec 07 09:22:00.500 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.48s
Dec 07 09:22:00.516 INFO [stderr] su: No module specific data is present
Dec 07 09:22:01.708 INFO running `"docker" "inspect" "571680bbfdedb60ce77e35fd0c13fdec666a90750d47835a4c4617b95898782f"`
Dec 07 09:22:01.959 INFO running `"docker" "rm" "-f" "571680bbfdedb60ce77e35fd0c13fdec666a90750d47835a4c4617b95898782f"`
Dec 07 09:22:02.208 INFO [stdout] 571680bbfdedb60ce77e35fd0c13fdec666a90750d47835a4c4617b95898782f
Dec 07 09:22:02.214 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 07 09:22:02.608 INFO [stdout] ace76686dc66b9844d22a230cd673f30839c97345b2f44304820a2114949918e
Dec 07 09:22:02.614 INFO running `"docker" "start" "-a" "ace76686dc66b9844d22a230cd673f30839c97345b2f44304820a2114949918e"`
Dec 07 09:22:04.208 INFO [stderr] usermod: no changes
Dec 07 09:22:04.396 INFO [stderr]    Compiling kailua_test v1.0.4
Dec 07 09:22:08.193 INFO [stderr]    Compiling kailua_check v1.1.0 (/source)
Dec 07 09:22:12.816 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 07 09:22:12.816 INFO [stderr]  --> src/options.rs:4:5
Dec 07 09:22:12.816 INFO [stderr]   |
Dec 07 09:22:12.816 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 07 09:22:12.816 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:22:12.816 INFO [stderr]   |
Dec 07 09:22:12.816 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 07 09:22:12.816 INFO [stderr] 
Dec 07 09:22:14.353 INFO [stderr] warning: unused import: `std::str`
Dec 07 09:22:14.353 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Dec 07 09:22:14.353 INFO [stderr]   |
Dec 07 09:22:14.353 INFO [stderr] 8 | use std::str;
Dec 07 09:22:14.353 INFO [stderr]   |     ^^^^^^^^
Dec 07 09:22:14.353 INFO [stderr]   |
Dec 07 09:22:14.353 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 09:22:14.353 INFO [stderr] 
Dec 07 09:22:15.496 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 07 09:22:15.496 INFO [stderr]  --> src/options.rs:4:5
Dec 07 09:22:15.496 INFO [stderr]   |
Dec 07 09:22:15.496 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 07 09:22:15.496 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 07 09:22:15.496 INFO [stderr]   |
Dec 07 09:22:15.496 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 09:22:15.496 INFO [stderr] 
Dec 07 09:22:15.860 INFO [stderr] warning: variable does not need to be mutable
Dec 07 09:22:15.860 INFO [stderr]    --> src/env.rs:974:17
Dec 07 09:22:15.860 INFO [stderr]     |
Dec 07 09:22:15.860 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 07 09:22:15.860 INFO [stderr]     |                 ----^^^
Dec 07 09:22:15.860 INFO [stderr]     |                 |
Dec 07 09:22:15.860 INFO [stderr]     |                 help: remove this `mut`
Dec 07 09:22:15.860 INFO [stderr]     |
Dec 07 09:22:15.860 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 09:22:15.860 INFO [stderr] 
Dec 07 09:22:15.888 INFO [stderr] warning: variable does not need to be mutable
Dec 07 09:22:15.888 INFO [stderr]     --> src/env.rs:1194:13
Dec 07 09:22:15.888 INFO [stderr]      |
Dec 07 09:22:15.888 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 07 09:22:15.888 INFO [stderr]      |             ----^^^
Dec 07 09:22:15.888 INFO [stderr]      |             |
Dec 07 09:22:15.888 INFO [stderr]      |             help: remove this `mut`
Dec 07 09:22:15.888 INFO [stderr] 
Dec 07 09:22:16.141 INFO [stderr] warning: variable does not need to be mutable
Dec 07 09:22:16.141 INFO [stderr]     --> src/check.rs:1302:13
Dec 07 09:22:16.141 INFO [stderr]      |
Dec 07 09:22:16.141 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 07 09:22:16.142 INFO [stderr]      |             ----^^^^^^^
Dec 07 09:22:16.142 INFO [stderr]      |             |
Dec 07 09:22:16.142 INFO [stderr]      |             help: remove this `mut`
Dec 07 09:22:16.142 INFO [stderr] 
Dec 07 09:22:16.309 INFO [stderr] warning: variable does not need to be mutable
Dec 07 09:22:16.309 INFO [stderr]     --> src/check.rs:2882:17
Dec 07 09:22:16.310 INFO [stderr]      |
Dec 07 09:22:16.310 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 07 09:22:16.310 INFO [stderr]      |                 ----^^^^^^^
Dec 07 09:22:16.310 INFO [stderr]      |                 |
Dec 07 09:22:16.311 INFO [stderr]      |                 help: remove this `mut`
Dec 07 09:22:16.311 INFO [stderr] 
Dec 07 09:22:23.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.67s
Dec 07 09:22:23.917 INFO [stderr] su: No module specific data is present
Dec 07 09:22:24.154 INFO running `"docker" "inspect" "ace76686dc66b9844d22a230cd673f30839c97345b2f44304820a2114949918e"`
Dec 07 09:22:24.266 INFO running `"docker" "rm" "-f" "ace76686dc66b9844d22a230cd673f30839c97345b2f44304820a2114949918e"`
Dec 07 09:22:24.356 INFO [stdout] ace76686dc66b9844d22a230cd673f30839c97345b2f44304820a2114949918e