Sep 14 14:16:38.929 INFO checking kailua_check-1.1.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 14:16:38.929 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 14:16:38.929 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-2/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 14:16:39.060 INFO blam! 16774c8e29151171b67f52959c3a6fa3c3af25d5f11440863b676904b76fd756
Sep 14 14:16:39.062 INFO running `"docker" "start" "-a" "16774c8e29151171b67f52959c3a6fa3c3af25d5f11440863b676904b76fd756"`
Sep 14 14:16:39.967 INFO kablam! usermod: no changes
Sep 14 14:16:40.074 INFO kablam!     Checking kailua_env v1.0.4
Sep 14 14:16:40.075 INFO kablam!     Checking atomic v0.3.4
Sep 14 14:16:40.075 INFO kablam!     Checking take_mut v0.1.3
Sep 14 14:16:40.852 INFO kablam!     Checking kailua_diag v1.0.4
Sep 14 14:16:41.447 INFO kablam!     Checking kailua_syntax v1.1.0
Sep 14 14:16:41.447 INFO kablam!     Checking kailua_test v1.0.4
Sep 14 14:16:44.711 INFO kablam!     Checking kailua_types v1.1.0
Sep 14 14:16:49.107 INFO kablam!     Checking kailua_check v1.1.0 (file:///source)
Sep 14 14:16:50.320 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 14 14:16:50.320 INFO kablam!  --> src/options.rs:4:5
Sep 14 14:16:50.320 INFO kablam!   |
Sep 14 14:16:50.320 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 14 14:16:50.320 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 14:16:50.320 INFO kablam!   |
Sep 14 14:16:50.320 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 14 14:16:50.320 INFO kablam! 
Sep 14 14:16:50.660 INFO kablam! warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Sep 14 14:16:50.660 INFO kablam!  --> src/options.rs:4:5
Sep 14 14:16:50.660 INFO kablam!   |
Sep 14 14:16:50.660 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 14 14:16:50.660 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 14:16:50.661 INFO kablam!   |
Sep 14 14:16:50.661 INFO kablam!   = note: #[warn(deprecated)] on by default
Sep 14 14:16:50.661 INFO kablam! 
Sep 14 14:16:52.443 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 14 14:16:52.443 INFO kablam!  --> src/options.rs:4:5
Sep 14 14:16:52.443 INFO kablam!   |
Sep 14 14:16:52.443 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 14 14:16:52.443 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 14:16:52.443 INFO kablam!   |
Sep 14 14:16:52.443 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 14:16:52.443 INFO kablam! 
Sep 14 14:16:52.595 INFO kablam! warning: unused import: `std::ascii::AsciiExt`
Sep 14 14:16:52.595 INFO kablam!  --> src/options.rs:4:5
Sep 14 14:16:52.595 INFO kablam!   |
Sep 14 14:16:52.595 INFO kablam! 4 | use std::ascii::AsciiExt;
Sep 14 14:16:52.596 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^
Sep 14 14:16:52.600 INFO kablam!   |
Sep 14 14:16:52.600 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 14:16:52.600 INFO kablam! 
Sep 14 14:16:52.859 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:16:52.859 INFO kablam!    --> src/env.rs:974:17
Sep 14 14:16:52.859 INFO kablam!     |
Sep 14 14:16:52.859 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 14 14:16:52.859 INFO kablam!     |                 ----^^^
Sep 14 14:16:52.859 INFO kablam!     |                 |
Sep 14 14:16:52.859 INFO kablam!     |                 help: remove this `mut`
Sep 14 14:16:52.859 INFO kablam!     |
Sep 14 14:16:52.859 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 14:16:52.859 INFO kablam! 
Sep 14 14:16:52.879 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:16:52.879 INFO kablam!     --> src/env.rs:1194:13
Sep 14 14:16:52.879 INFO kablam!      |
Sep 14 14:16:52.879 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 14 14:16:52.879 INFO kablam!      |             ----^^^
Sep 14 14:16:52.879 INFO kablam!      |             |
Sep 14 14:16:52.879 INFO kablam!      |             help: remove this `mut`
Sep 14 14:16:52.879 INFO kablam! 
Sep 14 14:16:53.039 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:16:53.039 INFO kablam!    --> src/env.rs:974:17
Sep 14 14:16:53.039 INFO kablam!     |
Sep 14 14:16:53.039 INFO kablam! 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Sep 14 14:16:53.039 INFO kablam!     |                 ----^^^
Sep 14 14:16:53.039 INFO kablam!     |                 |
Sep 14 14:16:53.039 INFO kablam!     |                 help: remove this `mut`
Sep 14 14:16:53.039 INFO kablam!     |
Sep 14 14:16:53.039 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 14:16:53.039 INFO kablam! 
Sep 14 14:16:53.060 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:16:53.060 INFO kablam!     --> src/env.rs:1194:13
Sep 14 14:16:53.060 INFO kablam!      |
Sep 14 14:16:53.060 INFO kablam! 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Sep 14 14:16:53.060 INFO kablam!      |             ----^^^
Sep 14 14:16:53.060 INFO kablam!      |             |
Sep 14 14:16:53.060 INFO kablam!      |             help: remove this `mut`
Sep 14 14:16:53.060 INFO kablam! 
Sep 14 14:16:53.134 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:16:53.134 INFO kablam!     --> src/check.rs:1302:13
Sep 14 14:16:53.134 INFO kablam!      |
Sep 14 14:16:53.134 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 14 14:16:53.134 INFO kablam!      |             ----^^^^^^^
Sep 14 14:16:53.134 INFO kablam!      |             |
Sep 14 14:16:53.134 INFO kablam!      |             help: remove this `mut`
Sep 14 14:16:53.134 INFO kablam! 
Sep 14 14:16:53.321 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:16:53.321 INFO kablam!     --> src/check.rs:1302:13
Sep 14 14:16:53.321 INFO kablam!      |
Sep 14 14:16:53.321 INFO kablam! 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Sep 14 14:16:53.321 INFO kablam!      |             ----^^^^^^^
Sep 14 14:16:53.321 INFO kablam!      |             |
Sep 14 14:16:53.321 INFO kablam!      |             help: remove this `mut`
Sep 14 14:16:53.321 INFO kablam! 
Sep 14 14:16:53.327 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:16:53.327 INFO kablam!     --> src/check.rs:2882:17
Sep 14 14:16:53.327 INFO kablam!      |
Sep 14 14:16:53.327 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 14 14:16:53.327 INFO kablam!      |                 ----^^^^^^^
Sep 14 14:16:53.327 INFO kablam!      |                 |
Sep 14 14:16:53.327 INFO kablam!      |                 help: remove this `mut`
Sep 14 14:16:53.327 INFO kablam! 
Sep 14 14:16:53.583 INFO kablam! warning: variable does not need to be mutable
Sep 14 14:16:53.583 INFO kablam!     --> src/check.rs:2882:17
Sep 14 14:16:53.583 INFO kablam!      |
Sep 14 14:16:53.583 INFO kablam! 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Sep 14 14:16:53.583 INFO kablam!      |                 ----^^^^^^^
Sep 14 14:16:53.583 INFO kablam!      |                 |
Sep 14 14:16:53.583 INFO kablam!      |                 help: remove this `mut`
Sep 14 14:16:53.583 INFO kablam! 
Sep 14 14:16:56.499 INFO kablam! warning: unused import: `std::str`
Sep 14 14:16:56.499 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 14 14:16:56.499 INFO kablam!   |
Sep 14 14:16:56.499 INFO kablam! 8 | use std::str;
Sep 14 14:16:56.499 INFO kablam!   |     ^^^^^^^^
Sep 14 14:16:56.499 INFO kablam!   |
Sep 14 14:16:56.499 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 14:16:56.499 INFO kablam! 
Sep 14 14:16:56.619 INFO kablam! warning: unused import: `std::str`
Sep 14 14:16:56.619 INFO kablam!  --> src/bin/kailua-check.rs:8:5
Sep 14 14:16:56.619 INFO kablam!   |
Sep 14 14:16:56.619 INFO kablam! 8 | use std::str;
Sep 14 14:16:56.619 INFO kablam!   |     ^^^^^^^^
Sep 14 14:16:56.619 INFO kablam!   |
Sep 14 14:16:56.619 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 14 14:16:56.619 INFO kablam! 
Sep 14 14:16:57.171 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.19s
Sep 14 14:16:57.191 INFO kablam! su: No module specific data is present
Sep 14 14:16:58.244 INFO running `"docker" "rm" "-f" "16774c8e29151171b67f52959c3a6fa3c3af25d5f11440863b676904b76fd756"`
Sep 14 14:16:58.568 INFO blam! 16774c8e29151171b67f52959c3a6fa3c3af25d5f11440863b676904b76fd756