Dec 14 03:12:25.604 INFO testing aliencode-github/alienchat against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 03:12:25.604 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 14 03:12:26.014 INFO [stdout] f3873720ee8fe5690e9f3b10073d144dcc8bb34596177507926b4aa5857d0269
Dec 14 03:12:26.016 INFO running `"docker" "start" "-a" "f3873720ee8fe5690e9f3b10073d144dcc8bb34596177507926b4aa5857d0269"`
Dec 14 03:12:27.023 INFO [stderr] usermod: no changes
Dec 14 03:12:27.437 INFO [stderr]    Compiling serde v1.0.53
Dec 14 03:12:27.447 INFO [stderr]    Compiling openssl v0.10.7
Dec 14 03:12:27.499 INFO [stderr]    Compiling actix-web v0.6.3
Dec 14 03:12:27.527 INFO [stderr]    Compiling crossbeam-epoch v0.2.0
Dec 14 03:12:27.538 INFO [stderr]    Compiling http v0.1.5
Dec 14 03:12:27.539 INFO [stderr]    Compiling mio-uds v0.6.6
Dec 14 03:12:27.539 INFO [stderr]    Compiling parking_lot v0.4.8
Dec 14 03:12:27.539 INFO [stderr]    Compiling brotli-sys v0.3.2
Dec 14 03:12:29.531 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 14 03:12:29.987 INFO [stderr]    Compiling actix_derive v0.2.0
Dec 14 03:12:31.184 INFO [stderr]    Compiling tokio-threadpool v0.1.3
Dec 14 03:12:32.619 INFO [stderr]    Compiling rayon-core v1.4.0
Dec 14 03:12:32.715 INFO [stderr]    Compiling tokio-reactor v0.1.1
Dec 14 03:12:36.368 INFO [stderr]    Compiling brotli2 v0.3.2
Dec 14 03:12:36.439 INFO [stderr]    Compiling serde_derive v1.0.53
Dec 14 03:12:46.595 INFO [stderr]    Compiling backtrace v0.2.3
Dec 14 03:12:46.736 INFO [stderr]    Compiling flate2 v1.0.1
Dec 14 03:12:46.755 INFO [stderr]    Compiling error-chain v0.11.0
Dec 14 03:12:46.903 INFO [stderr]    Compiling crossbeam-channel v0.1.2
Dec 14 03:12:50.746 INFO [stderr]    Compiling tokio-udp v0.1.0
Dec 14 03:12:51.535 INFO [stderr]    Compiling tokio-tcp v0.1.0
Dec 14 03:12:54.519 INFO [stderr]    Compiling rayon v0.8.2
Dec 14 03:12:58.227 INFO [stderr]    Compiling failure v0.1.1
Dec 14 03:12:58.239 INFO [stderr]    Compiling tokio-fs v0.1.0
Dec 14 03:12:58.287 INFO [stderr]    Compiling error-chain v0.1.12
Dec 14 03:12:59.447 INFO [stderr]    Compiling h2 v0.1.6
Dec 14 03:13:10.135 INFO [stderr]    Compiling ring v0.12.1
Dec 14 03:13:10.187 INFO [stderr]    Compiling tokio v0.1.6
Dec 14 03:13:14.297 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.4
Dec 14 03:13:14.392 INFO [stderr]    Compiling semver v0.8.0
Dec 14 03:13:14.575 INFO [stderr]    Compiling serde_json v1.0.17
Dec 14 03:13:14.799 INFO [stderr]    Compiling uuid v0.6.3
Dec 14 03:13:15.455 INFO [stderr]    Compiling serde_urlencoded v0.5.1
Dec 14 03:13:20.279 INFO [stderr]    Compiling chrono v0.4.2
Dec 14 03:13:25.699 INFO [stderr]    Compiling tokio-core v0.1.17
Dec 14 03:13:26.475 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 14 03:13:33.924 INFO [stderr]    Compiling skeptic v0.13.2
Dec 14 03:13:36.713 INFO [stderr]    Compiling trust-dns-proto v0.3.3
Dec 14 03:13:36.714 INFO [stderr]    Compiling tokio-signal v0.1.5
Dec 14 03:13:36.720 INFO [stderr]    Compiling tokio-openssl v0.2.0
Dec 14 03:13:40.939 INFO [stderr]    Compiling cookie v0.10.1
Dec 14 03:13:43.777 INFO [stderr]    Compiling actix v0.5.6
Dec 14 03:13:52.239 INFO [stderr]    Compiling trust-dns-resolver v0.8.2
Dec 14 03:14:25.085 INFO [stderr]    Compiling alienchat v0.1.0 (/source)
Dec 14 03:14:30.847 INFO [stderr] warning: cannot find type `SessionMessage` in this scope
Dec 14 03:14:30.847 INFO [stderr]   --> src/actors/chatserver.rs:11:10
Dec 14 03:14:30.847 INFO [stderr]    |
Dec 14 03:14:30.847 INFO [stderr] 11 | #[derive(Message)]
Dec 14 03:14:30.847 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 14 03:14:30.847 INFO [stderr]    |
Dec 14 03:14:30.847 INFO [stderr]    = note: #[warn(proc_macro_derive_resolution_fallback)] on by default
Dec 14 03:14:30.847 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 03:14:30.847 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 14 03:14:30.847 INFO [stderr] 
Dec 14 03:14:30.847 INFO [stderr] warning: cannot find type `Connect` in this scope
Dec 14 03:14:30.847 INFO [stderr]   --> src/actors/chatserver.rs:15:10
Dec 14 03:14:30.847 INFO [stderr]    |
Dec 14 03:14:30.847 INFO [stderr] 15 | #[derive(Message)]
Dec 14 03:14:30.847 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 14 03:14:30.847 INFO [stderr]    |
Dec 14 03:14:30.847 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 03:14:30.847 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 14 03:14:30.847 INFO [stderr] 
Dec 14 03:14:30.847 INFO [stderr] warning: cannot find type `Disconnect` in this scope
Dec 14 03:14:30.847 INFO [stderr]   --> src/actors/chatserver.rs:22:10
Dec 14 03:14:30.847 INFO [stderr]    |
Dec 14 03:14:30.847 INFO [stderr] 22 | #[derive(Message)]
Dec 14 03:14:30.847 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 14 03:14:30.847 INFO [stderr]    |
Dec 14 03:14:30.847 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 03:14:30.847 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 14 03:14:30.847 INFO [stderr] 
Dec 14 03:14:30.847 INFO [stderr] warning: cannot find type `Message` in this scope
Dec 14 03:14:30.847 INFO [stderr]   --> src/actors/chatserver.rs:28:10
Dec 14 03:14:30.847 INFO [stderr]    |
Dec 14 03:14:30.847 INFO [stderr] 28 | #[derive(Message)]
Dec 14 03:14:30.847 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 14 03:14:30.847 INFO [stderr]    |
Dec 14 03:14:30.847 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 03:14:30.847 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 14 03:14:30.847 INFO [stderr] 
Dec 14 03:14:30.847 INFO [stderr] warning: unused import: `std::fmt::Error`
Dec 14 03:14:30.847 INFO [stderr]  --> src/controller.rs:6:5
Dec 14 03:14:30.847 INFO [stderr]   |
Dec 14 03:14:30.847 INFO [stderr] 6 | use std::fmt::Error;
Dec 14 03:14:30.847 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 03:14:30.847 INFO [stderr]   |
Dec 14 03:14:30.847 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 03:14:30.847 INFO [stderr] 
Dec 14 03:14:30.847 INFO [stderr] warning: unused import: `std::fmt::Formatter`
Dec 14 03:14:30.848 INFO [stderr]  --> src/controller.rs:7:5
Dec 14 03:14:30.848 INFO [stderr]   |
Dec 14 03:14:30.848 INFO [stderr] 7 | use std::fmt::Formatter;
Dec 14 03:14:30.848 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 03:14:30.848 INFO [stderr] 
Dec 14 03:14:30.848 INFO [stderr] warning: unused import: `serde_json`
Dec 14 03:14:30.848 INFO [stderr]  --> src/user.rs:4:5
Dec 14 03:14:30.848 INFO [stderr]   |
Dec 14 03:14:30.848 INFO [stderr] 4 | use serde_json;
Dec 14 03:14:30.848 INFO [stderr]   |     ^^^^^^^^^^
Dec 14 03:14:30.848 INFO [stderr] 
Dec 14 03:14:31.319 INFO [stderr] warning: unused variable: `role`
Dec 14 03:14:31.319 INFO [stderr]   --> src/user.rs:55:35
Dec 14 03:14:31.319 INFO [stderr]    |
Dec 14 03:14:31.319 INFO [stderr] 55 |     pub fn revoke_role(&mut self, role: &Role) {
Dec 14 03:14:31.319 INFO [stderr]    |                                   ^^^^ help: consider using `_role` instead
Dec 14 03:14:31.319 INFO [stderr]    |
Dec 14 03:14:31.319 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 03:14:31.319 INFO [stderr] 
Dec 14 03:14:31.355 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:14:31.355 INFO [stderr]   --> src/controller.rs:53:13
Dec 14 03:14:31.355 INFO [stderr]    |
Dec 14 03:14:31.355 INFO [stderr] 53 |         let mut room_data = self.room_data_interface.provide_room_data();
Dec 14 03:14:31.355 INFO [stderr]    |             ----^^^^^^^^^
Dec 14 03:14:31.355 INFO [stderr]    |             |
Dec 14 03:14:31.355 INFO [stderr]    |             help: remove this `mut`
Dec 14 03:14:31.355 INFO [stderr]    |
Dec 14 03:14:31.355 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 03:14:31.355 INFO [stderr] 
Dec 14 03:14:31.355 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:14:31.355 INFO [stderr]    --> src/controller.rs:116:13
Dec 14 03:14:31.355 INFO [stderr]     |
Dec 14 03:14:31.355 INFO [stderr] 116 |         let mut room = Room::new(name, owner);
Dec 14 03:14:31.355 INFO [stderr]     |             ----^^^^
Dec 14 03:14:31.355 INFO [stderr]     |             |
Dec 14 03:14:31.355 INFO [stderr]     |             help: remove this `mut`
Dec 14 03:14:31.355 INFO [stderr] 
Dec 14 03:14:31.483 INFO [stderr] warning: struct is never constructed: `MockUserDataImpl`
Dec 14 03:14:31.483 INFO [stderr]  --> src/mock_data.rs:8:1
Dec 14 03:14:31.483 INFO [stderr]   |
Dec 14 03:14:31.483 INFO [stderr] 8 | pub struct MockUserDataImpl {
Dec 14 03:14:31.483 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:14:31.483 INFO [stderr]   |
Dec 14 03:14:31.483 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 03:14:31.483 INFO [stderr] 
Dec 14 03:14:31.483 INFO [stderr] warning: method is never used: `new`
Dec 14 03:14:31.483 INFO [stderr]   --> src/mock_data.rs:13:5
Dec 14 03:14:31.483 INFO [stderr]    |
Dec 14 03:14:31.483 INFO [stderr] 13 |     pub fn new() -> MockUserDataImpl {
Dec 14 03:14:31.483 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:14:31.483 INFO [stderr] 
Dec 14 03:14:31.483 INFO [stderr] warning: struct is never constructed: `MockRoomDataImpl`
Dec 14 03:14:31.483 INFO [stderr]   --> src/mock_data.rs:83:1
Dec 14 03:14:31.483 INFO [stderr]    |
Dec 14 03:14:31.483 INFO [stderr] 83 | pub struct MockRoomDataImpl {
Dec 14 03:14:31.483 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:14:31.483 INFO [stderr] 
Dec 14 03:14:31.483 INFO [stderr] warning: method is never used: `new`
Dec 14 03:14:31.483 INFO [stderr]   --> src/mock_data.rs:88:5
Dec 14 03:14:31.483 INFO [stderr]    |
Dec 14 03:14:31.483 INFO [stderr] 88 |     pub fn new(user_list: &Vec<User>) -> Self {
Dec 14 03:14:31.483 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 03:14:31.483 INFO [stderr] 
Dec 14 03:14:49.151 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
Dec 14 03:14:49.171 INFO [stderr] su: No module specific data is present
Dec 14 03:14:50.758 INFO running `"docker" "inspect" "f3873720ee8fe5690e9f3b10073d144dcc8bb34596177507926b4aa5857d0269"`
Dec 14 03:14:51.147 INFO running `"docker" "rm" "-f" "f3873720ee8fe5690e9f3b10073d144dcc8bb34596177507926b4aa5857d0269"`
Dec 14 03:14:51.507 INFO [stdout] f3873720ee8fe5690e9f3b10073d144dcc8bb34596177507926b4aa5857d0269
Dec 14 03:14:51.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 14 03:14:52.127 INFO [stdout] 5c343686bdce2a119b340fe921ec39653043a82dcb784e7c20dcff6e75d2eb9d
Dec 14 03:14:52.129 INFO running `"docker" "start" "-a" "5c343686bdce2a119b340fe921ec39653043a82dcb784e7c20dcff6e75d2eb9d"`
Dec 14 03:14:54.646 INFO [stderr] usermod: no changes
Dec 14 03:14:55.095 INFO [stderr]    Compiling alienchat v0.1.0 (/source)
Dec 14 03:15:01.140 INFO [stderr] warning: cannot find type `SessionMessage` in this scope
Dec 14 03:15:01.140 INFO [stderr]   --> src/actors/chatserver.rs:11:10
Dec 14 03:15:01.140 INFO [stderr]    |
Dec 14 03:15:01.140 INFO [stderr] 11 | #[derive(Message)]
Dec 14 03:15:01.140 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 14 03:15:01.141 INFO [stderr]    |
Dec 14 03:15:01.141 INFO [stderr]    = note: #[warn(proc_macro_derive_resolution_fallback)] on by default
Dec 14 03:15:01.141 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 03:15:01.141 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 14 03:15:01.142 INFO [stderr] 
Dec 14 03:15:01.142 INFO [stderr] warning: cannot find type `Connect` in this scope
Dec 14 03:15:01.142 INFO [stderr]   --> src/actors/chatserver.rs:15:10
Dec 14 03:15:01.142 INFO [stderr]    |
Dec 14 03:15:01.143 INFO [stderr] 15 | #[derive(Message)]
Dec 14 03:15:01.143 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 14 03:15:01.143 INFO [stderr]    |
Dec 14 03:15:01.143 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 03:15:01.144 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 14 03:15:01.144 INFO [stderr] 
Dec 14 03:15:01.144 INFO [stderr] warning: cannot find type `Disconnect` in this scope
Dec 14 03:15:01.144 INFO [stderr]   --> src/actors/chatserver.rs:22:10
Dec 14 03:15:01.145 INFO [stderr]    |
Dec 14 03:15:01.145 INFO [stderr] 22 | #[derive(Message)]
Dec 14 03:15:01.145 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 14 03:15:01.145 INFO [stderr]    |
Dec 14 03:15:01.146 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 03:15:01.146 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 14 03:15:01.146 INFO [stderr] 
Dec 14 03:15:01.146 INFO [stderr] warning: cannot find type `Message` in this scope
Dec 14 03:15:01.147 INFO [stderr]   --> src/actors/chatserver.rs:28:10
Dec 14 03:15:01.147 INFO [stderr]    |
Dec 14 03:15:01.147 INFO [stderr] 28 | #[derive(Message)]
Dec 14 03:15:01.147 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 14 03:15:01.148 INFO [stderr]    |
Dec 14 03:15:01.148 INFO [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
Dec 14 03:15:01.148 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 14 03:15:01.148 INFO [stderr] 
Dec 14 03:15:01.149 INFO [stderr] warning: unused import: `std::fmt::Error`
Dec 14 03:15:01.149 INFO [stderr]  --> src/controller.rs:6:5
Dec 14 03:15:01.149 INFO [stderr]   |
Dec 14 03:15:01.149 INFO [stderr] 6 | use std::fmt::Error;
Dec 14 03:15:01.150 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 14 03:15:01.150 INFO [stderr]   |
Dec 14 03:15:01.150 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 03:15:01.150 INFO [stderr] 
Dec 14 03:15:01.151 INFO [stderr] warning: unused import: `std::fmt::Formatter`
Dec 14 03:15:01.151 INFO [stderr]  --> src/controller.rs:7:5
Dec 14 03:15:01.151 INFO [stderr]   |
Dec 14 03:15:01.151 INFO [stderr] 7 | use std::fmt::Formatter;
Dec 14 03:15:01.152 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 03:15:01.152 INFO [stderr] 
Dec 14 03:15:01.661 INFO [stderr] warning: unused variable: `role`
Dec 14 03:15:01.661 INFO [stderr]   --> src/user.rs:55:35
Dec 14 03:15:01.662 INFO [stderr]    |
Dec 14 03:15:01.662 INFO [stderr] 55 |     pub fn revoke_role(&mut self, role: &Role) {
Dec 14 03:15:01.662 INFO [stderr]    |                                   ^^^^ help: consider using `_role` instead
Dec 14 03:15:01.662 INFO [stderr]    |
Dec 14 03:15:01.663 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 03:15:01.663 INFO [stderr] 
Dec 14 03:15:01.696 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.696 INFO [stderr]   --> src/controller.rs:53:13
Dec 14 03:15:01.697 INFO [stderr]    |
Dec 14 03:15:01.697 INFO [stderr] 53 |         let mut room_data = self.room_data_interface.provide_room_data();
Dec 14 03:15:01.697 INFO [stderr]    |             ----^^^^^^^^^
Dec 14 03:15:01.697 INFO [stderr]    |             |
Dec 14 03:15:01.697 INFO [stderr]    |             help: remove this `mut`
Dec 14 03:15:01.698 INFO [stderr]    |
Dec 14 03:15:01.698 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 14 03:15:01.698 INFO [stderr] 
Dec 14 03:15:01.703 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.703 INFO [stderr]    --> src/controller.rs:116:13
Dec 14 03:15:01.703 INFO [stderr]     |
Dec 14 03:15:01.704 INFO [stderr] 116 |         let mut room = Room::new(name, owner);
Dec 14 03:15:01.704 INFO [stderr]     |             ----^^^^
Dec 14 03:15:01.704 INFO [stderr]     |             |
Dec 14 03:15:01.704 INFO [stderr]     |             help: remove this `mut`
Dec 14 03:15:01.705 INFO [stderr] 
Dec 14 03:15:01.721 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.722 INFO [stderr]    --> src/controller.rs:392:9
Dec 14 03:15:01.722 INFO [stderr]     |
Dec 14 03:15:01.722 INFO [stderr] 392 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 14 03:15:01.722 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 14 03:15:01.722 INFO [stderr]     |         |
Dec 14 03:15:01.723 INFO [stderr]     |         help: remove this `mut`
Dec 14 03:15:01.723 INFO [stderr] 
Dec 14 03:15:01.731 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.731 INFO [stderr]    --> src/controller.rs:420:9
Dec 14 03:15:01.731 INFO [stderr]     |
Dec 14 03:15:01.732 INFO [stderr] 420 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 14 03:15:01.732 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 14 03:15:01.732 INFO [stderr]     |         |
Dec 14 03:15:01.732 INFO [stderr]     |         help: remove this `mut`
Dec 14 03:15:01.733 INFO [stderr] 
Dec 14 03:15:01.735 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.735 INFO [stderr]    --> src/controller.rs:454:9
Dec 14 03:15:01.735 INFO [stderr]     |
Dec 14 03:15:01.736 INFO [stderr] 454 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 14 03:15:01.736 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 14 03:15:01.736 INFO [stderr]     |         |
Dec 14 03:15:01.736 INFO [stderr]     |         help: remove this `mut`
Dec 14 03:15:01.737 INFO [stderr] 
Dec 14 03:15:01.739 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.739 INFO [stderr]    --> src/controller.rs:486:9
Dec 14 03:15:01.739 INFO [stderr]     |
Dec 14 03:15:01.739 INFO [stderr] 486 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 14 03:15:01.739 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 14 03:15:01.739 INFO [stderr]     |         |
Dec 14 03:15:01.739 INFO [stderr]     |         help: remove this `mut`
Dec 14 03:15:01.739 INFO [stderr] 
Dec 14 03:15:01.741 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.741 INFO [stderr]    --> src/controller.rs:526:9
Dec 14 03:15:01.741 INFO [stderr]     |
Dec 14 03:15:01.741 INFO [stderr] 526 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 14 03:15:01.742 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 14 03:15:01.742 INFO [stderr]     |         |
Dec 14 03:15:01.742 INFO [stderr]     |         help: remove this `mut`
Dec 14 03:15:01.742 INFO [stderr] 
Dec 14 03:15:01.744 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.744 INFO [stderr]    --> src/controller.rs:567:9
Dec 14 03:15:01.744 INFO [stderr]     |
Dec 14 03:15:01.744 INFO [stderr] 567 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 14 03:15:01.744 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 14 03:15:01.744 INFO [stderr]     |         |
Dec 14 03:15:01.744 INFO [stderr]     |         help: remove this `mut`
Dec 14 03:15:01.744 INFO [stderr] 
Dec 14 03:15:01.840 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.840 INFO [stderr]    --> src/room.rs:160:9
Dec 14 03:15:01.840 INFO [stderr]     |
Dec 14 03:15:01.840 INFO [stderr] 160 |     let mut room = Room::new("Testroom".to_string(), user.copy_id());
Dec 14 03:15:01.840 INFO [stderr]     |         ----^^^^
Dec 14 03:15:01.840 INFO [stderr]     |         |
Dec 14 03:15:01.840 INFO [stderr]     |         help: remove this `mut`
Dec 14 03:15:01.840 INFO [stderr] 
Dec 14 03:15:01.880 INFO [stderr] warning: variable does not need to be mutable
Dec 14 03:15:01.880 INFO [stderr]   --> src/user.rs:96:9
Dec 14 03:15:01.880 INFO [stderr]    |
Dec 14 03:15:01.880 INFO [stderr] 96 |     let mut user = User::new(
Dec 14 03:15:01.880 INFO [stderr]    |         ----^^^^
Dec 14 03:15:01.880 INFO [stderr]    |         |
Dec 14 03:15:01.880 INFO [stderr]    |         help: remove this `mut`
Dec 14 03:15:01.880 INFO [stderr] 
Dec 14 03:15:07.409 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.74s
Dec 14 03:15:07.432 INFO [stderr] su: No module specific data is present
Dec 14 03:15:09.144 INFO running `"docker" "inspect" "5c343686bdce2a119b340fe921ec39653043a82dcb784e7c20dcff6e75d2eb9d"`
Dec 14 03:15:09.472 INFO running `"docker" "rm" "-f" "5c343686bdce2a119b340fe921ec39653043a82dcb784e7c20dcff6e75d2eb9d"`
Dec 14 03:15:09.783 INFO [stdout] 5c343686bdce2a119b340fe921ec39653043a82dcb784e7c20dcff6e75d2eb9d
Dec 14 03:15:09.789 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 14 03:15:10.316 INFO [stdout] 08c9afaeccaa17decd91167939ef7560c2a45631a37f18acbea6f10802ec1b09
Dec 14 03:15:10.319 INFO running `"docker" "start" "-a" "08c9afaeccaa17decd91167939ef7560c2a45631a37f18acbea6f10802ec1b09"`
Dec 14 03:15:12.263 INFO [stderr] usermod: no changes
Dec 14 03:15:12.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Dec 14 03:15:12.558 INFO [stderr]      Running /target/debug/deps/alienchat-23f717b7cd074676
Dec 14 03:15:12.601 INFO [stdout] 
Dec 14 03:15:12.601 INFO [stdout] running 9 tests
Dec 14 03:15:12.620 INFO [stdout] test controller::test_interface ... ok
Dec 14 03:15:12.621 INFO [stdout] test controller::test_ban ... ok
Dec 14 03:15:12.621 INFO [stdout] test controller::test_moderator ... ok
Dec 14 03:15:12.621 INFO [stdout] test controller::test_member ... ok
Dec 14 03:15:12.621 INFO [stdout] test controller::test_mute ... ok
Dec 14 03:15:12.621 INFO [stdout] test room::test_room_serialize ... ok
Dec 14 03:15:12.622 INFO [stdout] test user::test_role ... ok
Dec 14 03:15:12.622 INFO [stdout] test user::test_user_serialize ... ok
Dec 14 03:15:12.622 INFO [stdout] test controller::test_room ... ok
Dec 14 03:15:12.623 INFO [stdout] 
Dec 14 03:15:12.623 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 03:15:12.623 INFO [stdout] 
Dec 14 03:15:12.635 INFO [stderr] su: No module specific data is present
Dec 14 03:15:14.046 INFO running `"docker" "inspect" "08c9afaeccaa17decd91167939ef7560c2a45631a37f18acbea6f10802ec1b09"`
Dec 14 03:15:14.344 INFO running `"docker" "rm" "-f" "08c9afaeccaa17decd91167939ef7560c2a45631a37f18acbea6f10802ec1b09"`
Dec 14 03:15:14.627 INFO [stdout] 08c9afaeccaa17decd91167939ef7560c2a45631a37f18acbea6f10802ec1b09