Dec 13 21:31:47.385 INFO testing devcat-studio/kailua against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 21:31:47.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 21:31:47.907 INFO [stdout] 329780e80266d78904a6f807dad57bc320827d803d1042d88a60e567af36457f
Dec 13 21:31:47.915 INFO running `"docker" "start" "-a" "329780e80266d78904a6f807dad57bc320827d803d1042d88a60e567af36457f"`
Dec 13 21:31:49.114 INFO [stderr] usermod: no changes
Dec 13 21:31:49.430 INFO [stderr]    Compiling smallvec v0.4.1
Dec 13 21:31:49.431 INFO [stderr]    Compiling kailua_env v1.0.4 (/source/kailua_env)
Dec 13 21:31:49.454 INFO [stderr]    Compiling parse-generics-shim v0.1.1
Dec 13 21:31:49.458 INFO [stderr]    Compiling take_mut v0.1.3
Dec 13 21:31:49.464 INFO [stderr]    Compiling atomic v0.3.4
Dec 13 21:31:49.467 INFO [stderr]    Compiling tokio-timer v0.1.2
Dec 13 21:31:49.475 INFO [stderr]    Compiling futures-cpupool v0.1.5
Dec 13 21:31:49.502 INFO [stderr]    Compiling kailua_langsvr_protocol v1.0.5 (/source/kailua_langsvr_protocol)
Dec 13 21:31:54.503 INFO [stderr]    Compiling parking_lot_core v0.2.2
Dec 13 21:31:58.125 INFO [stderr]    Compiling kailua_diag v1.0.4 (/source/kailua_diag)
Dec 13 21:31:59.767 INFO [stderr]    Compiling parking_lot v0.4.4
Dec 13 21:32:01.597 INFO [stderr]    Compiling kailua_syntax v1.1.0 (/source/kailua_syntax)
Dec 13 21:32:17.103 INFO [stderr]    Compiling kailua_types v1.1.0 (/source/kailua_types)
Dec 13 21:32:25.251 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:32:25.251 INFO [stderr]   --> kailua_types/src/ty/display.rs:78:13
Dec 13 21:32:25.251 INFO [stderr]    |
Dec 13 21:32:25.251 INFO [stderr] 78 |         let mut spans = disambig.entry(name.base.clone()).or_insert_with(|| HashMap::new());
Dec 13 21:32:25.251 INFO [stderr]    |             ----^^^^^
Dec 13 21:32:25.251 INFO [stderr]    |             |
Dec 13 21:32:25.251 INFO [stderr]    |             help: remove this `mut`
Dec 13 21:32:25.251 INFO [stderr]    |
Dec 13 21:32:25.251 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 21:32:25.251 INFO [stderr] 
Dec 13 21:32:25.904 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:32:25.904 INFO [stderr]    --> kailua_types/src/env/mod.rs:381:17
Dec 13 21:32:25.904 INFO [stderr]     |
Dec 13 21:32:25.904 INFO [stderr] 381 |             let mut row =
Dec 13 21:32:25.904 INFO [stderr]     |                 ----^^^
Dec 13 21:32:25.904 INFO [stderr]     |                 |
Dec 13 21:32:25.904 INFO [stderr]     |                 help: remove this `mut`
Dec 13 21:32:25.904 INFO [stderr] 
Dec 13 21:32:25.904 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:32:25.904 INFO [stderr]    --> kailua_types/src/env/mod.rs:388:17
Dec 13 21:32:25.904 INFO [stderr]     |
Dec 13 21:32:25.904 INFO [stderr] 388 |             let mut row =
Dec 13 21:32:25.904 INFO [stderr]     |                 ----^^^
Dec 13 21:32:25.904 INFO [stderr]     |                 |
Dec 13 21:32:25.904 INFO [stderr]     |                 help: remove this `mut`
Dec 13 21:32:25.904 INFO [stderr] 
Dec 13 21:32:35.795 INFO [stderr]    Compiling kailua_check v1.1.0 (/source/kailua_check)
Dec 13 21:32:37.299 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 13 21:32:37.299 INFO [stderr]  --> kailua_check/src/options.rs:4:5
Dec 13 21:32:37.299 INFO [stderr]   |
Dec 13 21:32:37.299 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 13 21:32:37.299 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 21:32:37.299 INFO [stderr]   |
Dec 13 21:32:37.299 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 13 21:32:37.299 INFO [stderr] 
Dec 13 21:32:38.741 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 13 21:32:38.741 INFO [stderr]  --> kailua_check/src/options.rs:4:5
Dec 13 21:32:38.741 INFO [stderr]   |
Dec 13 21:32:38.741 INFO [stderr] 4 | use std::ascii::AsciiExt;
Dec 13 21:32:38.741 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 13 21:32:38.741 INFO [stderr]   |
Dec 13 21:32:38.741 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 21:32:38.741 INFO [stderr] 
Dec 13 21:32:39.063 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:32:39.063 INFO [stderr]    --> kailua_check/src/env.rs:974:17
Dec 13 21:32:39.063 INFO [stderr]     |
Dec 13 21:32:39.063 INFO [stderr] 974 |             let mut def = def.expect("Env::ensure_var with an undefined var");
Dec 13 21:32:39.063 INFO [stderr]     |                 ----^^^
Dec 13 21:32:39.063 INFO [stderr]     |                 |
Dec 13 21:32:39.063 INFO [stderr]     |                 help: remove this `mut`
Dec 13 21:32:39.063 INFO [stderr]     |
Dec 13 21:32:39.063 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 21:32:39.063 INFO [stderr] 
Dec 13 21:32:39.085 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:32:39.085 INFO [stderr]     --> kailua_check/src/env.rs:1194:13
Dec 13 21:32:39.085 INFO [stderr]      |
Dec 13 21:32:39.085 INFO [stderr] 1194 |         let mut def = self.context.ids.entry(id).or_insert_with(|| {
Dec 13 21:32:39.085 INFO [stderr]      |             ----^^^
Dec 13 21:32:39.085 INFO [stderr]      |             |
Dec 13 21:32:39.085 INFO [stderr]      |             help: remove this `mut`
Dec 13 21:32:39.085 INFO [stderr] 
Dec 13 21:32:39.327 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:32:39.327 INFO [stderr]     --> kailua_check/src/check.rs:1302:13
Dec 13 21:32:39.327 INFO [stderr]      |
Dec 13 21:32:39.327 INFO [stderr] 1302 |         let mut modules = self.pending_modules.last_mut().unwrap();
Dec 13 21:32:39.327 INFO [stderr]      |             ----^^^^^^^
Dec 13 21:32:39.327 INFO [stderr]      |             |
Dec 13 21:32:39.327 INFO [stderr]      |             help: remove this `mut`
Dec 13 21:32:39.327 INFO [stderr] 
Dec 13 21:32:39.523 INFO [stderr] warning: variable does not need to be mutable
Dec 13 21:32:39.523 INFO [stderr]     --> kailua_check/src/check.rs:2882:17
Dec 13 21:32:39.523 INFO [stderr]      |
Dec 13 21:32:39.523 INFO [stderr] 2882 |             let mut modules = self.pending_modules.last_mut().expect("missing PendingModules");
Dec 13 21:32:39.523 INFO [stderr]      |                 ----^^^^^^^
Dec 13 21:32:39.523 INFO [stderr]      |                 |
Dec 13 21:32:39.523 INFO [stderr]      |                 help: remove this `mut`
Dec 13 21:32:39.523 INFO [stderr] 
Dec 13 21:32:42.495 INFO [stderr]    Compiling kailua_workspace v1.1.0 (/source/kailua_workspace)
Dec 13 21:32:46.147 INFO [stderr]    Compiling kailua_langsvr v1.1.0 (/source/kailua_langsvr)
Dec 13 21:32:48.943 INFO [stderr] warning: type annotations needed
Dec 13 21:32:48.943 INFO [stderr]   --> kailua_langsvr/src/diags.rs:97:28
Dec 13 21:32:48.943 INFO [stderr]    |
Dec 13 21:32:48.943 INFO [stderr] 97 |         (self as *const _).hash(state)
Dec 13 21:32:48.943 INFO [stderr]    |                            ^^^^
Dec 13 21:32:48.943 INFO [stderr]    |
Dec 13 21:32:48.943 INFO [stderr]    = note: #[warn(tyvar_behind_raw_pointer)] on by default
Dec 13 21:32:48.943 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
Dec 13 21:32:48.943 INFO [stderr]    = note: for more information, see issue #46906 <https://github.com/rust-lang/rust/issues/46906>
Dec 13 21:32:48.943 INFO [stderr] 
Dec 13 21:33:07.325 INFO [stderr]    Compiling kailua v1.1.0 (/source)
Dec 13 21:33:11.399 INFO [stderr] warning: unused import: `std::str`
Dec 13 21:33:11.399 INFO [stderr]   --> src/main.rs:18:9
Dec 13 21:33:11.399 INFO [stderr]    |
Dec 13 21:33:11.399 INFO [stderr] 18 |     use std::str;
Dec 13 21:33:11.399 INFO [stderr]    |         ^^^^^^^^
Dec 13 21:33:11.399 INFO [stderr]    |
Dec 13 21:33:11.399 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 21:33:11.399 INFO [stderr] 
Dec 13 21:33:19.999 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
Dec 13 21:33:20.009 INFO [stderr] su: No module specific data is present
Dec 13 21:33:20.701 INFO running `"docker" "inspect" "329780e80266d78904a6f807dad57bc320827d803d1042d88a60e567af36457f"`
Dec 13 21:33:20.916 INFO running `"docker" "rm" "-f" "329780e80266d78904a6f807dad57bc320827d803d1042d88a60e567af36457f"`
Dec 13 21:33:21.073 INFO [stdout] 329780e80266d78904a6f807dad57bc320827d803d1042d88a60e567af36457f
Dec 13 21:33:21.076 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 21:33:21.275 INFO [stdout] 17d02dd122e129d9947d96ae144c0209718c0b58b55241fc33f933deddacd1ce
Dec 13 21:33:21.276 INFO running `"docker" "start" "-a" "17d02dd122e129d9947d96ae144c0209718c0b58b55241fc33f933deddacd1ce"`
Dec 13 21:33:21.740 INFO [stderr] usermod: no changes
Dec 13 21:33:21.850 INFO [stderr]    Compiling kailua v1.1.0 (/source)
Dec 13 21:33:23.968 INFO [stderr] warning: unused import: `std::str`
Dec 13 21:33:23.968 INFO [stderr]   --> src/main.rs:18:9
Dec 13 21:33:23.968 INFO [stderr]    |
Dec 13 21:33:23.968 INFO [stderr] 18 |     use std::str;
Dec 13 21:33:23.968 INFO [stderr]    |         ^^^^^^^^
Dec 13 21:33:23.968 INFO [stderr]    |
Dec 13 21:33:23.968 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 21:33:23.968 INFO [stderr] 
Dec 13 21:33:24.400 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
Dec 13 21:33:24.400 INFO [stderr] su: No module specific data is present
Dec 13 21:33:24.734 INFO running `"docker" "inspect" "17d02dd122e129d9947d96ae144c0209718c0b58b55241fc33f933deddacd1ce"`
Dec 13 21:33:24.859 INFO running `"docker" "rm" "-f" "17d02dd122e129d9947d96ae144c0209718c0b58b55241fc33f933deddacd1ce"`
Dec 13 21:33:25.016 INFO [stdout] 17d02dd122e129d9947d96ae144c0209718c0b58b55241fc33f933deddacd1ce
Dec 13 21:33:25.020 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 21:33:25.227 INFO [stdout] 18f54993da8a3dd0c5b1782842acced6ac891b447abde4a7c27915f2536f2b94
Dec 13 21:33:25.245 INFO running `"docker" "start" "-a" "18f54993da8a3dd0c5b1782842acced6ac891b447abde4a7c27915f2536f2b94"`
Dec 13 21:33:25.931 INFO [stderr] usermod: no changes
Dec 13 21:33:26.101 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
Dec 13 21:33:26.119 INFO [stderr]      Running /target/debug/deps/kailua-fe21b80908f12aa8
Dec 13 21:33:26.127 INFO [stdout] 
Dec 13 21:33:26.127 INFO [stdout] running 0 tests
Dec 13 21:33:26.127 INFO [stdout] 
Dec 13 21:33:26.127 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 21:33:26.127 INFO [stdout] 
Dec 13 21:33:26.128 INFO [stderr] su: No module specific data is present
Dec 13 21:33:26.679 INFO running `"docker" "inspect" "18f54993da8a3dd0c5b1782842acced6ac891b447abde4a7c27915f2536f2b94"`
Dec 13 21:33:26.919 INFO running `"docker" "rm" "-f" "18f54993da8a3dd0c5b1782842acced6ac891b447abde4a7c27915f2536f2b94"`
Dec 13 21:33:27.234 INFO [stdout] 18f54993da8a3dd0c5b1782842acced6ac891b447abde4a7c27915f2536f2b94