Dec 05 11:23:21.003 INFO checking kailua_check-1.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 11:23:21.003 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 11:23:21.239 INFO [stdout] 62cf8ba4fbf295adf12ebaaf4e619d0d6e0302fa0655aba34cd7264a43ec110a
Dec 05 11:23:21.241 INFO running `"docker" "start" "-a" "62cf8ba4fbf295adf12ebaaf4e619d0d6e0302fa0655aba34cd7264a43ec110a"`
Dec 05 11:23:22.030 INFO [stderr] usermod: no changes
Dec 05 11:23:22.147 INFO [stderr]     Checking kailua_syntax v1.1.0
Dec 05 11:23:22.155 INFO [stderr]     Checking kailua_test v1.0.4
Dec 05 11:23:26.415 INFO [stderr]     Checking kailua_types v1.1.0
Dec 05 11:23:30.991 INFO [stderr]     Checking kailua_check v1.1.0 (/source)
Dec 05 11:23:33.939 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 05 11:23:33.940 INFO [stderr]  --> src/options.rs:4:5
Dec 05 11:23:33.940 INFO [stderr]   |
Dec 05 11:23:33.940 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 05 11:23:33.940 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:23:33.941 INFO [stderr]   |
Dec 05 11:23:33.941 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 05 11:23:33.941 INFO [stderr] 
Dec 05 11:23:34.069 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 05 11:23:34.069 INFO [stderr]  --> src/options.rs:4:5
Dec 05 11:23:34.069 INFO [stderr]   |
Dec 05 11:23:34.069 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 05 11:23:34.069 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:23:34.069 INFO [stderr]   |
Dec 05 11:23:34.075 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 05 11:23:34.075 INFO [stderr] 
Dec 05 11:23:35.819 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 05 11:23:35.819 INFO [stderr]  --> src/options.rs:4:5
Dec 05 11:23:35.819 INFO [stderr]   |
Dec 05 11:23:35.819 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 05 11:23:35.819 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:23:35.819 INFO [stderr]   |
Dec 05 11:23:35.819 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:23:35.819 INFO [stderr] 
Dec 05 11:23:36.115 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 05 11:23:36.115 INFO [stderr]  --> src/options.rs:4:5
Dec 05 11:23:36.115 INFO [stderr]   |
Dec 05 11:23:36.115 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 05 11:23:36.115 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 05 11:23:36.115 INFO [stderr]   |
Dec 05 11:23:36.115 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:23:36.115 INFO [stderr] 
Dec 05 11:23:36.327 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:36.327 INFO [stderr]    --> src/env.rs:974:17
Dec 05 11:23:36.327 INFO [stderr]     |
Dec 05 11:23:36.328 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 05 11:23:36.328 INFO [stderr]     |                 ----^^^
Dec 05 11:23:36.328 INFO [stderr]     |                 |
Dec 05 11:23:36.328 INFO [stderr]     |                 help: remove this `mut`
Dec 05 11:23:36.329 INFO [stderr]     |
Dec 05 11:23:36.329 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 11:23:36.329 INFO [stderr] 
Dec 05 11:23:36.367 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:36.367 INFO [stderr]     --> src/env.rs:1194:13
Dec 05 11:23:36.367 INFO [stderr]      |
Dec 05 11:23:36.368 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 05 11:23:36.368 INFO [stderr]      |             ----^^^
Dec 05 11:23:36.368 INFO [stderr]      |             |
Dec 05 11:23:36.368 INFO [stderr]      |             help: remove this `mut`
Dec 05 11:23:36.368 INFO [stderr] 
Dec 05 11:23:36.719 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:36.719 INFO [stderr]    --> src/env.rs:974:17
Dec 05 11:23:36.719 INFO [stderr]     |
Dec 05 11:23:36.719 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 05 11:23:36.719 INFO [stderr]     |                 ----^^^
Dec 05 11:23:36.719 INFO [stderr]     |                 |
Dec 05 11:23:36.719 INFO [stderr]     |                 help: remove this `mut`
Dec 05 11:23:36.719 INFO [stderr]     |
Dec 05 11:23:36.719 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 11:23:36.719 INFO [stderr] 
Dec 05 11:23:36.746 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:36.746 INFO [stderr]     --> src/env.rs:1194:13
Dec 05 11:23:36.746 INFO [stderr]      |
Dec 05 11:23:36.746 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 05 11:23:36.747 INFO [stderr]      |             ----^^^
Dec 05 11:23:36.747 INFO [stderr]      |             |
Dec 05 11:23:36.747 INFO [stderr]      |             help: remove this `mut`
Dec 05 11:23:36.747 INFO [stderr] 
Dec 05 11:23:36.819 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:36.819 INFO [stderr]     --> src/check.rs:1302:13
Dec 05 11:23:36.819 INFO [stderr]      |
Dec 05 11:23:36.819 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 05 11:23:36.819 INFO [stderr]      |             ----^^^^^^^
Dec 05 11:23:36.819 INFO [stderr]      |             |
Dec 05 11:23:36.819 INFO [stderr]      |             help: remove this `mut`
Dec 05 11:23:36.819 INFO [stderr] 
Dec 05 11:23:37.143 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:37.143 INFO [stderr]     --> src/check.rs:2882:17
Dec 05 11:23:37.143 INFO [stderr]      |
Dec 05 11:23:37.143 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 05 11:23:37.143 INFO [stderr]      |                 ----^^^^^^^
Dec 05 11:23:37.143 INFO [stderr]      |                 |
Dec 05 11:23:37.143 INFO [stderr]      |                 help: remove this `mut`
Dec 05 11:23:37.143 INFO [stderr] 
Dec 05 11:23:37.175 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:37.175 INFO [stderr]     --> src/check.rs:1302:13
Dec 05 11:23:37.175 INFO [stderr]      |
Dec 05 11:23:37.175 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 05 11:23:37.175 INFO [stderr]      |             ----^^^^^^^
Dec 05 11:23:37.175 INFO [stderr]      |             |
Dec 05 11:23:37.175 INFO [stderr]      |             help: remove this `mut`
Dec 05 11:23:37.175 INFO [stderr] 
Dec 05 11:23:37.463 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:23:37.463 INFO [stderr]     --> src/check.rs:2882:17
Dec 05 11:23:37.463 INFO [stderr]      |
Dec 05 11:23:37.463 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 05 11:23:37.463 INFO [stderr]      |                 ----^^^^^^^
Dec 05 11:23:37.463 INFO [stderr]      |                 |
Dec 05 11:23:37.463 INFO [stderr]      |                 help: remove this `mut`
Dec 05 11:23:37.463 INFO [stderr] 
Dec 05 11:23:43.031 INFO [stderr] warning: unused import: `std::str`
Dec 05 11:23:43.031 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Dec 05 11:23:43.031 INFO [stderr]   |
Dec 05 11:23:43.031 INFO [stderr] 8 | use std::str;
Dec 05 11:23:43.031 INFO [stderr]   |     ^^^^^^^^
Dec 05 11:23:43.031 INFO [stderr]   |
Dec 05 11:23:43.031 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:23:43.031 INFO [stderr] 
Dec 05 11:23:43.783 INFO [stderr] warning: unused import: `std::str`
Dec 05 11:23:43.783 INFO [stderr]  --> src/bin/kailua-check.rs:8:5
Dec 05 11:23:43.783 INFO [stderr]   |
Dec 05 11:23:43.783 INFO [stderr] 8 | use std::str;
Dec 05 11:23:43.783 INFO [stderr]   |     ^^^^^^^^
Dec 05 11:23:43.783 INFO [stderr]   |
Dec 05 11:23:43.783 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 11:23:43.783 INFO [stderr] 
Dec 05 11:23:43.907 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.85s
Dec 05 11:23:43.919 INFO [stderr] su: No module specific data is present
Dec 05 11:23:44.647 INFO running `"docker" "inspect" "62cf8ba4fbf295adf12ebaaf4e619d0d6e0302fa0655aba34cd7264a43ec110a"`
Dec 05 11:23:44.961 INFO running `"docker" "rm" "-f" "62cf8ba4fbf295adf12ebaaf4e619d0d6e0302fa0655aba34cd7264a43ec110a"`
Dec 05 11:23:45.233 INFO [stdout] 62cf8ba4fbf295adf12ebaaf4e619d0d6e0302fa0655aba34cd7264a43ec110a