Sep 01 16:09:39.871 INFO checking kailua_check-1.1.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 16:09:39.871 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 16:09:39.871 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-3/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 16:09:40.070 INFO blam! d06b0f72d5e54ec5007db36004806f234469a171e8afd465cd79d24179d95792
Sep 01 16:09:40.072 INFO running `"docker" "start" "-a" "d06b0f72d5e54ec5007db36004806f234469a171e8afd465cd79d24179d95792"`
Sep 01 16:09:40.853 INFO kablam!     Checking kailua_test v1.0.4
Sep 01 16:09:40.853 INFO kablam!     Checking kailua_types v1.1.0
Sep 01 16:09:46.762 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Sep 01 16:09:49.007 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 01 16:09:49.007 INFO kablam!  --> src/options.rs:4:5
Sep 01 16:09:49.007 INFO kablam!   |
Sep 01 16:09:49.007 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 01 16:09:49.007 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 16:09:49.008 INFO kablam!   |
Sep 01 16:09:49.008 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 01 16:09:49.008 INFO kablam! 
Sep 01 16:09:49.043 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 01 16:09:49.043 INFO kablam!  --> src/options.rs:4:5
Sep 01 16:09:49.043 INFO kablam!   |
Sep 01 16:09:49.043 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 01 16:09:49.043 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 16:09:49.043 INFO kablam!   |
Sep 01 16:09:49.044 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 01 16:09:49.044 INFO kablam! 
Sep 01 16:09:51.844 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 01 16:09:51.844 INFO kablam!  --> src/options.rs:4:5
Sep 01 16:09:51.844 INFO kablam!   |
Sep 01 16:09:51.844 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 01 16:09:51.844 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 16:09:51.844 INFO kablam!   |
Sep 01 16:09:51.844 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:09:51.844 INFO kablam! 
Sep 01 16:09:51.906 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 01 16:09:51.906 INFO kablam!  --> src/options.rs:4:5
Sep 01 16:09:51.907 INFO kablam!   |
Sep 01 16:09:51.907 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 01 16:09:51.907 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 01 16:09:51.907 INFO kablam!   |
Sep 01 16:09:51.907 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:09:51.907 INFO kablam! 
Sep 01 16:09:52.374 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:52.374 INFO kablam!    --> src/env.rs:974:17
Sep 01 16:09:52.374 INFO kablam!     |
Sep 01 16:09:52.375 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 01 16:09:52.375 INFO kablam!     |                 ----^^^
Sep 01 16:09:52.375 INFO kablam!     |                 |
Sep 01 16:09:52.375 INFO kablam!     |                 help: remove this `mut`
Sep 01 16:09:52.375 INFO kablam!     |
Sep 01 16:09:52.375 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 16:09:52.375 INFO kablam! 
Sep 01 16:09:52.415 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:52.415 INFO kablam!     --> src/env.rs:1194:13
Sep 01 16:09:52.415 INFO kablam!      |
Sep 01 16:09:52.415 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 01 16:09:52.415 INFO kablam!      |             ----^^^
Sep 01 16:09:52.415 INFO kablam!      |             |
Sep 01 16:09:52.415 INFO kablam!      |             help: remove this `mut`
Sep 01 16:09:52.415 INFO kablam! 
Sep 01 16:09:52.630 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:52.630 INFO kablam!    --> src/env.rs:974:17
Sep 01 16:09:52.630 INFO kablam!     |
Sep 01 16:09:52.630 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 01 16:09:52.630 INFO kablam!     |                 ----^^^
Sep 01 16:09:52.630 INFO kablam!     |                 |
Sep 01 16:09:52.630 INFO kablam!     |                 help: remove this `mut`
Sep 01 16:09:52.630 INFO kablam!     |
Sep 01 16:09:52.630 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 16:09:52.630 INFO kablam! 
Sep 01 16:09:52.656 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:52.656 INFO kablam!     --> src/env.rs:1194:13
Sep 01 16:09:52.656 INFO kablam!      |
Sep 01 16:09:52.656 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 01 16:09:52.656 INFO kablam!      |             ----^^^
Sep 01 16:09:52.656 INFO kablam!      |             |
Sep 01 16:09:52.656 INFO kablam!      |             help: remove this `mut`
Sep 01 16:09:52.656 INFO kablam! 
Sep 01 16:09:52.879 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:52.879 INFO kablam!     --> src/check.rs:1302:13
Sep 01 16:09:52.879 INFO kablam!      |
Sep 01 16:09:52.879 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 01 16:09:52.879 INFO kablam!      |             ----^^^^^^^
Sep 01 16:09:52.879 INFO kablam!      |             |
Sep 01 16:09:52.879 INFO kablam!      |             help: remove this `mut`
Sep 01 16:09:52.879 INFO kablam! 
Sep 01 16:09:53.116 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:53.116 INFO kablam!     --> src/check.rs:1302:13
Sep 01 16:09:53.116 INFO kablam!      |
Sep 01 16:09:53.116 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 01 16:09:53.116 INFO kablam!      |             ----^^^^^^^
Sep 01 16:09:53.116 INFO kablam!      |             |
Sep 01 16:09:53.116 INFO kablam!      |             help: remove this `mut`
Sep 01 16:09:53.116 INFO kablam! 
Sep 01 16:09:53.161 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:53.161 INFO kablam!     --> src/check.rs:2882:17
Sep 01 16:09:53.161 INFO kablam!      |
Sep 01 16:09:53.161 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 01 16:09:53.161 INFO kablam!      |                 ----^^^^^^^
Sep 01 16:09:53.161 INFO kablam!      |                 |
Sep 01 16:09:53.161 INFO kablam!      |                 help: remove this `mut`
Sep 01 16:09:53.161 INFO kablam! 
Sep 01 16:09:53.390 INFO kablam! warning: variable does not need to be mutable
Sep 01 16:09:53.390 INFO kablam!     --> src/check.rs:2882:17
Sep 01 16:09:53.390 INFO kablam!      |
Sep 01 16:09:53.390 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 01 16:09:53.391 INFO kablam!      |                 ----^^^^^^^
Sep 01 16:09:53.391 INFO kablam!      |                 |
Sep 01 16:09:53.391 INFO kablam!      |                 help: remove this `mut`
Sep 01 16:09:53.391 INFO kablam! 
Sep 01 16:09:55.974 INFO kablam! warning: unused import: `std::str`
Sep 01 16:09:55.974 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 01 16:09:55.974 INFO kablam!   |
Sep 01 16:09:55.974 INFO kablam! 8 | use std::str;
Sep 01 16:09:55.974 INFO kablam!   |     ^^^^^^^^
Sep 01 16:09:55.974 INFO kablam!   |
Sep 01 16:09:55.974 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:09:55.974 INFO kablam! 
Sep 01 16:09:56.152 INFO kablam! warning: unused import: `std::str`
Sep 01 16:09:56.152 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 01 16:09:56.152 INFO kablam!   |
Sep 01 16:09:56.152 INFO kablam! 8 | use std::str;
Sep 01 16:09:56.152 INFO kablam!   |     ^^^^^^^^
Sep 01 16:09:56.152 INFO kablam!   |
Sep 01 16:09:56.152 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 01 16:09:56.152 INFO kablam! 
Sep 01 16:09:56.632 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 15.90s
Sep 01 16:09:56.640 INFO kablam! su: No module specific data is present
Sep 01 16:09:57.170 INFO running `"docker" "rm" "-f" "d06b0f72d5e54ec5007db36004806f234469a171e8afd465cd79d24179d95792"`
Sep 01 16:09:57.312 INFO blam! d06b0f72d5e54ec5007db36004806f234469a171e8afd465cd79d24179d95792