Dec 12 12:27:22.488 INFO checking kailua_types-1.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:27:22.488 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 12:27:22.767 INFO [stdout] 7883dad9154c5c7a759f17f188d38e32986898903d124b00a39902c7c647ddd7
Dec 12 12:27:22.770 INFO running `"docker" "start" "-a" "7883dad9154c5c7a759f17f188d38e32986898903d124b00a39902c7c647ddd7"`
Dec 12 12:27:23.248 INFO [stderr] usermod: no changes
Dec 12 12:27:23.347 INFO [stderr]     Checking parse-generics-shim v0.1.1
Dec 12 12:27:23.356 INFO [stderr]     Checking kailua_env v1.0.4
Dec 12 12:27:23.356 INFO [stderr]     Checking atomic v0.3.4
Dec 12 12:27:23.356 INFO [stderr]     Checking take_mut v0.1.3
Dec 12 12:27:25.380 INFO [stderr]     Checking kailua_diag v1.0.4
Dec 12 12:27:26.290 INFO [stderr]     Checking kailua_syntax v1.1.0
Dec 12 12:27:29.790 INFO [stderr]     Checking kailua_types v1.1.0 (/source)
Dec 12 12:27:33.497 INFO [stderr] warning: unused macro definition
Dec 12 12:27:33.497 INFO [stderr]     --> src/ty/value.rs:1875:5
Dec 12 12:27:33.497 INFO [stderr]      |
Dec 12 12:27:33.497 INFO [stderr] 1875 | /     macro_rules! hash {
Dec 12 12:27:33.497 INFO [stderr] 1876 | |         ($($k:ident = $v:expr),*) => (vec![$((s(stringify!($k)), $v)),*])
Dec 12 12:27:33.497 INFO [stderr] 1877 | |     }
Dec 12 12:27:33.497 INFO [stderr]      | |_____^
Dec 12 12:27:33.497 INFO [stderr]      |
Dec 12 12:27:33.497 INFO [stderr]      = note: #[warn(unused_macros)] on by default
Dec 12 12:27:33.497 INFO [stderr] 
Dec 12 12:27:34.752 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:27:34.752 INFO [stderr]   --> src/ty/display.rs:78:13
Dec 12 12:27:34.752 INFO [stderr]    |
Dec 12 12:27:34.752 INFO [stderr] 78 |         let mut spans = disambig.entry(name.base.clone()).or_insert_with(|| HashMap::new());
Dec 12 12:27:34.752 INFO [stderr]    |             ----^^^^^
Dec 12 12:27:34.752 INFO [stderr]    |             |
Dec 12 12:27:34.752 INFO [stderr]    |             help: remove this `mut`
Dec 12 12:27:34.752 INFO [stderr]    |
Dec 12 12:27:34.752 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 12:27:34.752 INFO [stderr] 
Dec 12 12:27:35.492 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:27:35.492 INFO [stderr]    --> src/env/mod.rs:381:17
Dec 12 12:27:35.492 INFO [stderr]     |
Dec 12 12:27:35.492 INFO [stderr] 381 |             let mut row =
Dec 12 12:27:35.492 INFO [stderr]     |                 ----^^^
Dec 12 12:27:35.492 INFO [stderr]     |                 |
Dec 12 12:27:35.492 INFO [stderr]     |                 help: remove this `mut`
Dec 12 12:27:35.492 INFO [stderr] 
Dec 12 12:27:35.492 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:27:35.492 INFO [stderr]    --> src/env/mod.rs:388:17
Dec 12 12:27:35.492 INFO [stderr]     |
Dec 12 12:27:35.492 INFO [stderr] 388 |             let mut row =
Dec 12 12:27:35.492 INFO [stderr]     |                 ----^^^
Dec 12 12:27:35.492 INFO [stderr]     |                 |
Dec 12 12:27:35.492 INFO [stderr]     |                 help: remove this `mut`
Dec 12 12:27:35.492 INFO [stderr] 
Dec 12 12:27:37.252 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:27:37.252 INFO [stderr]   --> src/ty/display.rs:78:13
Dec 12 12:27:37.252 INFO [stderr]    |
Dec 12 12:27:37.252 INFO [stderr] 78 |         let mut spans = disambig.entry(name.base.clone()).or_insert_with(|| HashMap::new());
Dec 12 12:27:37.252 INFO [stderr]    |             ----^^^^^
Dec 12 12:27:37.252 INFO [stderr]    |             |
Dec 12 12:27:37.252 INFO [stderr]    |             help: remove this `mut`
Dec 12 12:27:37.252 INFO [stderr]    |
Dec 12 12:27:37.252 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 12:27:37.252 INFO [stderr] 
Dec 12 12:27:38.228 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:27:38.228 INFO [stderr]    --> src/env/mod.rs:381:17
Dec 12 12:27:38.228 INFO [stderr]     |
Dec 12 12:27:38.229 INFO [stderr] 381 |             let mut row =
Dec 12 12:27:38.229 INFO [stderr]     |                 ----^^^
Dec 12 12:27:38.229 INFO [stderr]     |                 |
Dec 12 12:27:38.229 INFO [stderr]     |                 help: remove this `mut`
Dec 12 12:27:38.229 INFO [stderr] 
Dec 12 12:27:38.229 INFO [stderr] warning: variable does not need to be mutable
Dec 12 12:27:38.229 INFO [stderr]    --> src/env/mod.rs:388:17
Dec 12 12:27:38.229 INFO [stderr]     |
Dec 12 12:27:38.229 INFO [stderr] 388 |             let mut row =
Dec 12 12:27:38.229 INFO [stderr]     |                 ----^^^
Dec 12 12:27:38.229 INFO [stderr]     |                 |
Dec 12 12:27:38.229 INFO [stderr]     |                 help: remove this `mut`
Dec 12 12:27:38.229 INFO [stderr] 
Dec 12 12:27:38.572 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.30s
Dec 12 12:27:38.580 INFO [stderr] su: No module specific data is present
Dec 12 12:27:39.544 INFO running `"docker" "inspect" "7883dad9154c5c7a759f17f188d38e32986898903d124b00a39902c7c647ddd7"`
Dec 12 12:27:39.856 INFO running `"docker" "rm" "-f" "7883dad9154c5c7a759f17f188d38e32986898903d124b00a39902c7c647ddd7"`
Dec 12 12:27:40.198 INFO [stdout] 7883dad9154c5c7a759f17f188d38e32986898903d124b00a39902c7c647ddd7