Oct 13 13:02:52.315 INFO checking kailua_check-1.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 13:02:52.315 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 13:02:52.916 INFO blam! 342454901cfe5dfa011999505d5785f247c5208626d31c49f15c260c242ddd23
Oct 13 13:02:52.918 INFO running `"docker" "start" "-a" "342454901cfe5dfa011999505d5785f247c5208626d31c49f15c260c242ddd23"`
Oct 13 13:02:53.849 INFO kablam! usermod: no changes
Oct 13 13:02:54.007 INFO kablam!     Checking parse-generics-shim v0.1.1
Oct 13 13:02:54.009 INFO kablam!     Checking kailua_env v1.0.4
Oct 13 13:02:54.013 INFO kablam!     Checking parking_lot v0.4.8
Oct 13 13:02:55.429 INFO kablam!     Checking kailua_diag v1.0.4
Oct 13 13:02:56.588 INFO kablam!     Checking kailua_syntax v1.1.0
Oct 13 13:02:56.588 INFO kablam!     Checking kailua_test v1.0.4
Oct 13 13:03:02.509 INFO kablam!     Checking kailua_types v1.1.0
Oct 13 13:03:07.472 INFO kablam!     Checking kailua_check v1.1.0 (/source)
Oct 13 13:03:10.500 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Oct 13 13:03:10.501 INFO kablam!  --> src/options.rs:4:5
Oct 13 13:03:10.501 INFO kablam!   |
Oct 13 13:03:10.501 INFO kablam! 4 | use std::ascii::AsciiExt;
Oct 13 13:03:10.501 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 13 13:03:10.501 INFO kablam!   |
Oct 13 13:03:10.501 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 13:03:10.502 INFO kablam! 
Oct 13 13:03:10.606 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Oct 13 13:03:10.607 INFO kablam!  --> src/options.rs:4:5
Oct 13 13:03:10.608 INFO kablam!   |
Oct 13 13:03:10.608 INFO kablam! 4 | use std::ascii::AsciiExt;
Oct 13 13:03:10.608 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 13 13:03:10.608 INFO kablam!   |
Oct 13 13:03:10.609 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 13:03:10.609 INFO kablam! 
Oct 13 13:03:12.400 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Oct 13 13:03:12.400 INFO kablam!  --> src/options.rs:4:5
Oct 13 13:03:12.400 INFO kablam!   |
Oct 13 13:03:12.400 INFO kablam! 4 | use std::ascii::AsciiExt;
Oct 13 13:03:12.400 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 13 13:03:12.400 INFO kablam!   |
Oct 13 13:03:12.400 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:03:12.400 INFO kablam! 
Oct 13 13:03:12.963 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:12.963 INFO kablam!    --> src/env.rs:974:17
Oct 13 13:03:12.963 INFO kablam!     |
Oct 13 13:03:12.963 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Oct 13 13:03:12.963 INFO kablam!     |                 ----^^^
Oct 13 13:03:12.963 INFO kablam!     |                 |
Oct 13 13:03:12.963 INFO kablam!     |                 help: remove this `mut`
Oct 13 13:03:12.963 INFO kablam!     |
Oct 13 13:03:12.963 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 13:03:12.963 INFO kablam! 
Oct 13 13:03:13.016 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:13.017 INFO kablam!     --> src/env.rs:1194:13
Oct 13 13:03:13.017 INFO kablam!      |
Oct 13 13:03:13.017 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Oct 13 13:03:13.017 INFO kablam!      |             ----^^^
Oct 13 13:03:13.018 INFO kablam!      |             |
Oct 13 13:03:13.018 INFO kablam!      |             help: remove this `mut`
Oct 13 13:03:13.018 INFO kablam! 
Oct 13 13:03:13.104 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Oct 13 13:03:13.104 INFO kablam!  --> src/options.rs:4:5
Oct 13 13:03:13.104 INFO kablam!   |
Oct 13 13:03:13.105 INFO kablam! 4 | use std::ascii::AsciiExt;
Oct 13 13:03:13.105 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 13 13:03:13.105 INFO kablam!   |
Oct 13 13:03:13.105 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:03:13.106 INFO kablam! 
Oct 13 13:03:13.583 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:13.584 INFO kablam!     --> src/check.rs:1302:13
Oct 13 13:03:13.584 INFO kablam!      |
Oct 13 13:03:13.585 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Oct 13 13:03:13.585 INFO kablam!      |             ----^^^^^^^
Oct 13 13:03:13.586 INFO kablam!      |             |
Oct 13 13:03:13.587 INFO kablam!      |             help: remove this `mut`
Oct 13 13:03:13.587 INFO kablam! 
Oct 13 13:03:13.731 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:13.732 INFO kablam!    --> src/env.rs:974:17
Oct 13 13:03:13.733 INFO kablam!     |
Oct 13 13:03:13.733 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Oct 13 13:03:13.733 INFO kablam!     |                 ----^^^
Oct 13 13:03:13.734 INFO kablam!     |                 |
Oct 13 13:03:13.734 INFO kablam!     |                 help: remove this `mut`
Oct 13 13:03:13.734 INFO kablam!     |
Oct 13 13:03:13.735 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 13:03:13.735 INFO kablam! 
Oct 13 13:03:13.776 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:13.777 INFO kablam!     --> src/env.rs:1194:13
Oct 13 13:03:13.777 INFO kablam!      |
Oct 13 13:03:13.777 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Oct 13 13:03:13.778 INFO kablam!      |             ----^^^
Oct 13 13:03:13.778 INFO kablam!      |             |
Oct 13 13:03:13.778 INFO kablam!      |             help: remove this `mut`
Oct 13 13:03:13.778 INFO kablam! 
Oct 13 13:03:13.883 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:13.884 INFO kablam!     --> src/check.rs:2882:17
Oct 13 13:03:13.884 INFO kablam!      |
Oct 13 13:03:13.884 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Oct 13 13:03:13.885 INFO kablam!      |                 ----^^^^^^^
Oct 13 13:03:13.885 INFO kablam!      |                 |
Oct 13 13:03:13.885 INFO kablam!      |                 help: remove this `mut`
Oct 13 13:03:13.886 INFO kablam! 
Oct 13 13:03:14.208 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:14.208 INFO kablam!     --> src/check.rs:1302:13
Oct 13 13:03:14.208 INFO kablam!      |
Oct 13 13:03:14.208 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Oct 13 13:03:14.208 INFO kablam!      |             ----^^^^^^^
Oct 13 13:03:14.208 INFO kablam!      |             |
Oct 13 13:03:14.208 INFO kablam!      |             help: remove this `mut`
Oct 13 13:03:14.208 INFO kablam! 
Oct 13 13:03:14.368 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:14.368 INFO kablam!     --> src/check.rs:2882:17
Oct 13 13:03:14.368 INFO kablam!      |
Oct 13 13:03:14.368 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Oct 13 13:03:14.368 INFO kablam!      |                 ----^^^^^^^
Oct 13 13:03:14.368 INFO kablam!      |                 |
Oct 13 13:03:14.368 INFO kablam!      |                 help: remove this `mut`
Oct 13 13:03:14.368 INFO kablam! 
Oct 13 13:03:18.580 INFO kablam! warning: unused import: `std::str`
Oct 13 13:03:18.580 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Oct 13 13:03:18.580 INFO kablam!   |
Oct 13 13:03:18.580 INFO kablam! 8 | use std::str;
Oct 13 13:03:18.580 INFO kablam!   |     ^^^^^^^^
Oct 13 13:03:18.585 INFO kablam!   |
Oct 13 13:03:18.585 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:03:18.585 INFO kablam! 
Oct 13 13:03:18.831 INFO kablam! warning: unused import: `std::str`
Oct 13 13:03:18.831 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Oct 13 13:03:18.831 INFO kablam!   |
Oct 13 13:03:18.831 INFO kablam! 8 | use std::str;
Oct 13 13:03:18.831 INFO kablam!   |     ^^^^^^^^
Oct 13 13:03:18.831 INFO kablam!   |
Oct 13 13:03:18.831 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:03:18.831 INFO kablam! 
Oct 13 13:03:19.492 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 25.62s
Oct 13 13:03:19.499 INFO kablam! su: No module specific data is present
Oct 13 13:03:19.832 INFO running `"docker" "rm" "-f" "342454901cfe5dfa011999505d5785f247c5208626d31c49f15c260c242ddd23"`
Oct 13 13:03:19.969 INFO blam! 342454901cfe5dfa011999505d5785f247c5208626d31c49f15c260c242ddd23