Oct 13 13:02:54.896 INFO checking kailua_check-1.1.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 13:02:54.896 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 13:02:55.228 INFO blam! fe84f35f048f6f5ab3ae5a7dad3fd0131dbb4bffbffc50e46e61d859b1d9ee3f
Oct 13 13:02:55.234 INFO running `"docker" "start" "-a" "fe84f35f048f6f5ab3ae5a7dad3fd0131dbb4bffbffc50e46e61d859b1d9ee3f"`
Oct 13 13:02:55.944 INFO kablam! usermod: no changes
Oct 13 13:02:56.104 INFO kablam!     Checking take_mut v0.1.3
Oct 13 13:02:56.104 INFO kablam!     Checking kailua_syntax v1.1.0
Oct 13 13:02:56.104 INFO kablam!     Checking kailua_test v1.0.4
Oct 13 13:03:02.001 INFO kablam!     Checking kailua_types v1.1.0
Oct 13 13:03:06.948 INFO kablam!     Checking kailua_check v1.1.0 (/source)
Oct 13 13:03:10.104 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Oct 13 13:03:10.105 INFO kablam!  --> src/options.rs:4:5
Oct 13 13:03:10.105 INFO kablam!   |
Oct 13 13:03:10.112 INFO kablam! 4 | use std::ascii::AsciiExt;
Oct 13 13:03:10.113 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 13 13:03:10.113 INFO kablam!   |
Oct 13 13:03:10.113 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 13:03:10.114 INFO kablam! 
Oct 13 13:03:10.640 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Oct 13 13:03:10.641 INFO kablam!  --> src/options.rs:4:5
Oct 13 13:03:10.641 INFO kablam!   |
Oct 13 13:03:10.641 INFO kablam! 4 | use std::ascii::AsciiExt;
Oct 13 13:03:10.641 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 13 13:03:10.642 INFO kablam!   |
Oct 13 13:03:10.642 INFO kablam!   = note: #[warn(deprecated)] on by default
Oct 13 13:03:10.642 INFO kablam! 
Oct 13 13:03:12.064 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Oct 13 13:03:12.064 INFO kablam!  --> src/options.rs:4:5
Oct 13 13:03:12.064 INFO kablam!   |
Oct 13 13:03:12.064 INFO kablam! 4 | use std::ascii::AsciiExt;
Oct 13 13:03:12.064 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 13 13:03:12.064 INFO kablam!   |
Oct 13 13:03:12.064 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:03:12.064 INFO kablam! 
Oct 13 13:03:12.292 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Oct 13 13:03:12.292 INFO kablam!  --> src/options.rs:4:5
Oct 13 13:03:12.292 INFO kablam!   |
Oct 13 13:03:12.292 INFO kablam! 4 | use std::ascii::AsciiExt;
Oct 13 13:03:12.292 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Oct 13 13:03:12.292 INFO kablam!   |
Oct 13 13:03:12.292 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:03:12.292 INFO kablam! 
Oct 13 13:03:12.400 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:12.400 INFO kablam!    --> src/env.rs:974:17
Oct 13 13:03:12.400 INFO kablam!     |
Oct 13 13:03:12.400 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Oct 13 13:03:12.400 INFO kablam!     |                 ----^^^
Oct 13 13:03:12.400 INFO kablam!     |                 |
Oct 13 13:03:12.400 INFO kablam!     |                 help: remove this `mut`
Oct 13 13:03:12.400 INFO kablam!     |
Oct 13 13:03:12.400 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 13:03:12.400 INFO kablam! 
Oct 13 13:03:12.424 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:12.424 INFO kablam!     --> src/env.rs:1194:13
Oct 13 13:03:12.424 INFO kablam!      |
Oct 13 13:03:12.424 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Oct 13 13:03:12.424 INFO kablam!      |             ----^^^
Oct 13 13:03:12.424 INFO kablam!      |             |
Oct 13 13:03:12.424 INFO kablam!      |             help: remove this `mut`
Oct 13 13:03:12.424 INFO kablam! 
Oct 13 13:03:12.792 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:12.792 INFO kablam!    --> src/env.rs:974:17
Oct 13 13:03:12.792 INFO kablam!     |
Oct 13 13:03:12.792 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Oct 13 13:03:12.792 INFO kablam!     |                 ----^^^
Oct 13 13:03:12.792 INFO kablam!     |                 |
Oct 13 13:03:12.792 INFO kablam!     |                 help: remove this `mut`
Oct 13 13:03:12.792 INFO kablam!     |
Oct 13 13:03:12.792 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 13:03:12.792 INFO kablam! 
Oct 13 13:03:12.836 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:12.836 INFO kablam!     --> src/check.rs:1302:13
Oct 13 13:03:12.836 INFO kablam!      |
Oct 13 13:03:12.836 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Oct 13 13:03:12.836 INFO kablam!      |             ----^^^^^^^
Oct 13 13:03:12.836 INFO kablam!      |             |
Oct 13 13:03:12.836 INFO kablam!      |             help: remove this `mut`
Oct 13 13:03:12.836 INFO kablam! 
Oct 13 13:03:12.838 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:12.838 INFO kablam!     --> src/env.rs:1194:13
Oct 13 13:03:12.838 INFO kablam!      |
Oct 13 13:03:12.838 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Oct 13 13:03:12.838 INFO kablam!      |             ----^^^
Oct 13 13:03:12.839 INFO kablam!      |             |
Oct 13 13:03:12.839 INFO kablam!      |             help: remove this `mut`
Oct 13 13:03:12.839 INFO kablam! 
Oct 13 13:03:13.079 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:13.079 INFO kablam!     --> src/check.rs:2882:17
Oct 13 13:03:13.079 INFO kablam!      |
Oct 13 13:03:13.080 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Oct 13 13:03:13.080 INFO kablam!      |                 ----^^^^^^^
Oct 13 13:03:13.080 INFO kablam!      |                 |
Oct 13 13:03:13.080 INFO kablam!      |                 help: remove this `mut`
Oct 13 13:03:13.080 INFO kablam! 
Oct 13 13:03:13.278 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:13.278 INFO kablam!     --> src/check.rs:1302:13
Oct 13 13:03:13.278 INFO kablam!      |
Oct 13 13:03:13.278 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Oct 13 13:03:13.278 INFO kablam!      |             ----^^^^^^^
Oct 13 13:03:13.278 INFO kablam!      |             |
Oct 13 13:03:13.278 INFO kablam!      |             help: remove this `mut`
Oct 13 13:03:13.278 INFO kablam! 
Oct 13 13:03:13.633 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:03:13.634 INFO kablam!     --> src/check.rs:2882:17
Oct 13 13:03:13.634 INFO kablam!      |
Oct 13 13:03:13.634 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Oct 13 13:03:13.634 INFO kablam!      |                 ----^^^^^^^
Oct 13 13:03:13.634 INFO kablam!      |                 |
Oct 13 13:03:13.634 INFO kablam!      |                 help: remove this `mut`
Oct 13 13:03:13.634 INFO kablam! 
Oct 13 13:03:18.668 INFO kablam! warning: unused import: `std::str`
Oct 13 13:03:18.668 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Oct 13 13:03:18.668 INFO kablam!   |
Oct 13 13:03:18.668 INFO kablam! 8 | use std::str;
Oct 13 13:03:18.668 INFO kablam!   |     ^^^^^^^^
Oct 13 13:03:18.668 INFO kablam!   |
Oct 13 13:03:18.668 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:03:18.668 INFO kablam! 
Oct 13 13:03:18.992 INFO kablam! warning: unused import: `std::str`
Oct 13 13:03:18.992 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Oct 13 13:03:18.993 INFO kablam!   |
Oct 13 13:03:18.993 INFO kablam! 8 | use std::str;
Oct 13 13:03:18.993 INFO kablam!   |     ^^^^^^^^
Oct 13 13:03:18.993 INFO kablam!   |
Oct 13 13:03:18.993 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 13:03:18.993 INFO kablam! 
Oct 13 13:03:19.100 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 23.13s
Oct 13 13:03:19.109 INFO kablam! su: No module specific data is present
Oct 13 13:03:19.540 INFO running `"docker" "rm" "-f" "fe84f35f048f6f5ab3ae5a7dad3fd0131dbb4bffbffc50e46e61d859b1d9ee3f"`
Oct 13 13:03:19.654 INFO blam! fe84f35f048f6f5ab3ae5a7dad3fd0131dbb4bffbffc50e46e61d859b1d9ee3f