Dec 06 07:12:50.379 INFO testing aliencode-github/alienchat against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 07:12:50.380 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 07:12:50.744 INFO [stdout] 075d4cfc1664690b1b2136f9b17a8d2382137d3f8466b91ee7eda614f46cea7c
Dec 06 07:12:50.746 INFO running `"docker" "start" "-a" "075d4cfc1664690b1b2136f9b17a8d2382137d3f8466b91ee7eda614f46cea7c"`
Dec 06 07:12:52.326 INFO [stderr] usermod: no changes
Dec 06 07:12:52.800 INFO [stderr]    Compiling serde v1.0.53
Dec 06 07:12:52.800 INFO [stderr]    Compiling openssl v0.10.7
Dec 06 07:12:52.800 INFO [stderr]    Compiling num-traits v0.2.3
Dec 06 07:12:52.800 INFO [stderr]    Compiling actix-web v0.6.3
Dec 06 07:12:52.808 INFO [stderr]    Compiling h2 v0.1.6
Dec 06 07:12:52.808 INFO [stderr]    Compiling serde_derive v1.0.53
Dec 06 07:12:52.809 INFO [stderr]    Compiling trust-dns-proto v0.3.3
Dec 06 07:12:52.809 INFO [stderr]    Compiling tokio-signal v0.1.5
Dec 06 07:12:54.772 INFO [stderr]    Compiling cookie v0.10.1
Dec 06 07:13:00.766 INFO [stderr]    Compiling num-integer v0.1.37
Dec 06 07:13:07.668 INFO [stderr]    Compiling tokio-openssl v0.2.0
Dec 06 07:13:13.952 INFO [stderr]    Compiling trust-dns-resolver v0.8.2
Dec 06 07:13:20.556 INFO [stderr]    Compiling serde_json v1.0.17
Dec 06 07:13:20.556 INFO [stderr]    Compiling semver v0.8.0
Dec 06 07:13:20.556 INFO [stderr]    Compiling uuid v0.6.3
Dec 06 07:13:20.556 INFO [stderr]    Compiling serde_urlencoded v0.5.1
Dec 06 07:13:20.556 INFO [stderr]    Compiling chrono v0.4.2
Dec 06 07:13:27.155 INFO [stderr]    Compiling cargo_metadata v0.3.3
Dec 06 07:13:30.420 INFO [stderr]    Compiling skeptic v0.13.2
Dec 06 07:13:35.868 INFO [stderr]    Compiling actix v0.5.6
Dec 06 07:14:07.528 INFO [stderr]    Compiling alienchat v0.1.0 (/source)
Dec 06 07:14:13.460 INFO [stderr] warning: cannot find type `SessionMessage` in this scope
Dec 06 07:14:13.460 INFO [stderr]   --> src/actors/chatserver.rs:11:10
Dec 06 07:14:13.460 INFO [stderr]    |
Dec 06 07:14:13.460 INFO [stderr] 11 | #[derive(Message)]
Dec 06 07:14:13.460 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 06 07:14:13.460 INFO [stderr]    |
Dec 06 07:14:13.460 INFO [stderr]    = note: #[warn(proc_macro_derive_resolution_fallback)] on by default
Dec 06 07:14:13.460 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 06 07:14:13.460 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 06 07:14:13.460 INFO [stderr] 
Dec 06 07:14:13.460 INFO [stderr] warning: cannot find type `Connect` in this scope
Dec 06 07:14:13.460 INFO [stderr]   --> src/actors/chatserver.rs:15:10
Dec 06 07:14:13.460 INFO [stderr]    |
Dec 06 07:14:13.460 INFO [stderr] 15 | #[derive(Message)]
Dec 06 07:14:13.460 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 06 07:14:13.460 INFO [stderr]    |
Dec 06 07:14:13.460 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 06 07:14:13.460 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 06 07:14:13.460 INFO [stderr] 
Dec 06 07:14:13.460 INFO [stderr] warning: cannot find type `Disconnect` in this scope
Dec 06 07:14:13.460 INFO [stderr]   --> src/actors/chatserver.rs:22:10
Dec 06 07:14:13.460 INFO [stderr]    |
Dec 06 07:14:13.460 INFO [stderr] 22 | #[derive(Message)]
Dec 06 07:14:13.460 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 06 07:14:13.460 INFO [stderr]    |
Dec 06 07:14:13.460 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 06 07:14:13.460 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 06 07:14:13.461 INFO [stderr] 
Dec 06 07:14:13.461 INFO [stderr] warning: cannot find type `Message` in this scope
Dec 06 07:14:13.461 INFO [stderr]   --> src/actors/chatserver.rs:28:10
Dec 06 07:14:13.461 INFO [stderr]    |
Dec 06 07:14:13.461 INFO [stderr] 28 | #[derive(Message)]
Dec 06 07:14:13.461 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 06 07:14:13.461 INFO [stderr]    |
Dec 06 07:14:13.461 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 06 07:14:13.461 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 06 07:14:13.461 INFO [stderr] 
Dec 06 07:14:13.461 INFO [stderr] warning: unused import: `std::fmt::Error`
Dec 06 07:14:13.461 INFO [stderr]  --> src/controller.rs:6:5
Dec 06 07:14:13.461 INFO [stderr]   |
Dec 06 07:14:13.461 INFO [stderr] 6 | use std::fmt::Error;
Dec 06 07:14:13.461 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 06 07:14:13.461 INFO [stderr]   |
Dec 06 07:14:13.461 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 07:14:13.461 INFO [stderr] 
Dec 06 07:14:13.461 INFO [stderr] warning: unused import: `std::fmt::Formatter`
Dec 06 07:14:13.461 INFO [stderr]  --> src/controller.rs:7:5
Dec 06 07:14:13.461 INFO [stderr]   |
Dec 06 07:14:13.461 INFO [stderr] 7 | use std::fmt::Formatter;
Dec 06 07:14:13.461 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:13.461 INFO [stderr] 
Dec 06 07:14:13.461 INFO [stderr] warning: unused import: `serde_json`
Dec 06 07:14:13.461 INFO [stderr]  --> src/user.rs:4:5
Dec 06 07:14:13.461 INFO [stderr]   |
Dec 06 07:14:13.461 INFO [stderr] 4 | use serde_json;
Dec 06 07:14:13.461 INFO [stderr]   |     ^^^^^^^^^^
Dec 06 07:14:13.461 INFO [stderr] 
Dec 06 07:14:13.896 INFO [stderr] warning: unused variable: `role`
Dec 06 07:14:13.896 INFO [stderr]   --> src/user.rs:55:35
Dec 06 07:14:13.896 INFO [stderr]    |
Dec 06 07:14:13.896 INFO [stderr] 55 |     pub fn revoke_role(&mut self, role: &Role) {
Dec 06 07:14:13.896 INFO [stderr]    |                                   ^^^^ help: consider using `_role` instead
Dec 06 07:14:13.896 INFO [stderr]    |
Dec 06 07:14:13.896 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 07:14:13.896 INFO [stderr] 
Dec 06 07:14:13.918 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:13.918 INFO [stderr]   --> src/controller.rs:53:13
Dec 06 07:14:13.918 INFO [stderr]    |
Dec 06 07:14:13.918 INFO [stderr] 53 |         let mut room_data = self.room_data_interface.provide_room_data();
Dec 06 07:14:13.918 INFO [stderr]    |             ----^^^^^^^^^
Dec 06 07:14:13.918 INFO [stderr]    |             |
Dec 06 07:14:13.918 INFO [stderr]    |             help: remove this `mut`
Dec 06 07:14:13.918 INFO [stderr]    |
Dec 06 07:14:13.918 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 07:14:13.918 INFO [stderr] 
Dec 06 07:14:13.924 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:13.924 INFO [stderr]    --> src/controller.rs:116:13
Dec 06 07:14:13.924 INFO [stderr]     |
Dec 06 07:14:13.924 INFO [stderr] 116 |         let mut room = Room::new(name, owner);
Dec 06 07:14:13.924 INFO [stderr]     |             ----^^^^
Dec 06 07:14:13.924 INFO [stderr]     |             |
Dec 06 07:14:13.924 INFO [stderr]     |             help: remove this `mut`
Dec 06 07:14:13.924 INFO [stderr] 
Dec 06 07:14:14.025 INFO [stderr] warning: struct is never constructed: `MockUserDataImpl`
Dec 06 07:14:14.025 INFO [stderr]  --> src/mock_data.rs:8:1
Dec 06 07:14:14.025 INFO [stderr]   |
Dec 06 07:14:14.025 INFO [stderr] 8 | pub struct MockUserDataImpl {
Dec 06 07:14:14.025 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:14.025 INFO [stderr]   |
Dec 06 07:14:14.025 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 07:14:14.025 INFO [stderr] 
Dec 06 07:14:14.025 INFO [stderr] warning: method is never used: `new`
Dec 06 07:14:14.025 INFO [stderr]   --> src/mock_data.rs:13:5
Dec 06 07:14:14.025 INFO [stderr]    |
Dec 06 07:14:14.025 INFO [stderr] 13 |     pub fn new() -> MockUserDataImpl {
Dec 06 07:14:14.025 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:14.025 INFO [stderr] 
Dec 06 07:14:14.025 INFO [stderr] warning: struct is never constructed: `MockRoomDataImpl`
Dec 06 07:14:14.025 INFO [stderr]   --> src/mock_data.rs:83:1
Dec 06 07:14:14.025 INFO [stderr]    |
Dec 06 07:14:14.025 INFO [stderr] 83 | pub struct MockRoomDataImpl {
Dec 06 07:14:14.025 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:14.025 INFO [stderr] 
Dec 06 07:14:14.025 INFO [stderr] warning: method is never used: `new`
Dec 06 07:14:14.025 INFO [stderr]   --> src/mock_data.rs:88:5
Dec 06 07:14:14.025 INFO [stderr]    |
Dec 06 07:14:14.025 INFO [stderr] 88 |     pub fn new(user_list: &Vec<User>) -> Self {
Dec 06 07:14:14.025 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:14.025 INFO [stderr] 
Dec 06 07:14:26.949 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
Dec 06 07:14:26.973 INFO [stderr] su: No module specific data is present
Dec 06 07:14:27.406 INFO running `"docker" "inspect" "075d4cfc1664690b1b2136f9b17a8d2382137d3f8466b91ee7eda614f46cea7c"`
Dec 06 07:14:27.466 INFO running `"docker" "rm" "-f" "075d4cfc1664690b1b2136f9b17a8d2382137d3f8466b91ee7eda614f46cea7c"`
Dec 06 07:14:27.567 INFO [stdout] 075d4cfc1664690b1b2136f9b17a8d2382137d3f8466b91ee7eda614f46cea7c
Dec 06 07:14:27.572 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 07:14:27.780 INFO [stdout] 07704ba73dbb939287732679f5559223c0bf508a22e9adecb9c6ed6df58e8b2c
Dec 06 07:14:27.782 INFO running `"docker" "start" "-a" "07704ba73dbb939287732679f5559223c0bf508a22e9adecb9c6ed6df58e8b2c"`
Dec 06 07:14:28.105 INFO [stderr] usermod: no changes
Dec 06 07:14:28.312 INFO [stderr]    Compiling alienchat v0.1.0 (/source)
Dec 06 07:14:33.774 INFO [stderr] warning: cannot find type `SessionMessage` in this scope
Dec 06 07:14:33.774 INFO [stderr]   --> src/actors/chatserver.rs:11:10
Dec 06 07:14:33.774 INFO [stderr]    |
Dec 06 07:14:33.774 INFO [stderr] 11 | #[derive(Message)]
Dec 06 07:14:33.774 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 06 07:14:33.774 INFO [stderr]    |
Dec 06 07:14:33.774 INFO [stderr]    = note: #[warn(proc_macro_derive_resolution_fallback)] on by default
Dec 06 07:14:33.774 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 06 07:14:33.774 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 06 07:14:33.774 INFO [stderr] 
Dec 06 07:14:33.774 INFO [stderr] warning: cannot find type `Connect` in this scope
Dec 06 07:14:33.774 INFO [stderr]   --> src/actors/chatserver.rs:15:10
Dec 06 07:14:33.774 INFO [stderr]    |
Dec 06 07:14:33.774 INFO [stderr] 15 | #[derive(Message)]
Dec 06 07:14:33.774 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 06 07:14:33.774 INFO [stderr]    |
Dec 06 07:14:33.774 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 06 07:14:33.774 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 06 07:14:33.774 INFO [stderr] 
Dec 06 07:14:33.775 INFO [stderr] warning: cannot find type `Disconnect` in this scope
Dec 06 07:14:33.775 INFO [stderr]   --> src/actors/chatserver.rs:22:10
Dec 06 07:14:33.775 INFO [stderr]    |
Dec 06 07:14:33.775 INFO [stderr] 22 | #[derive(Message)]
Dec 06 07:14:33.775 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 06 07:14:33.775 INFO [stderr]    |
Dec 06 07:14:33.775 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 06 07:14:33.775 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 06 07:14:33.775 INFO [stderr] 
Dec 06 07:14:33.775 INFO [stderr] warning: cannot find type `Message` in this scope
Dec 06 07:14:33.775 INFO [stderr]   --> src/actors/chatserver.rs:28:10
Dec 06 07:14:33.775 INFO [stderr]    |
Dec 06 07:14:33.775 INFO [stderr] 28 | #[derive(Message)]
Dec 06 07:14:33.775 INFO [stderr]    |          ^^^^^^^ names from parent modules are not accessible without an explicit import
Dec 06 07:14:33.775 INFO [stderr]    |
Dec 06 07:14:33.775 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 06 07:14:33.775 INFO [stderr]    = note: for more information, see issue #50504 <https://github.com/rust-lang/rust/issues/50504>
Dec 06 07:14:33.775 INFO [stderr] 
Dec 06 07:14:33.775 INFO [stderr] warning: unused import: `std::fmt::Error`
Dec 06 07:14:33.775 INFO [stderr]  --> src/controller.rs:6:5
Dec 06 07:14:33.775 INFO [stderr]   |
Dec 06 07:14:33.775 INFO [stderr] 6 | use std::fmt::Error;
Dec 06 07:14:33.775 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 06 07:14:33.775 INFO [stderr]   |
Dec 06 07:14:33.775 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 07:14:33.775 INFO [stderr] 
Dec 06 07:14:33.775 INFO [stderr] warning: unused import: `std::fmt::Formatter`
Dec 06 07:14:33.775 INFO [stderr]  --> src/controller.rs:7:5
Dec 06 07:14:33.775 INFO [stderr]   |
Dec 06 07:14:33.775 INFO [stderr] 7 | use std::fmt::Formatter;
Dec 06 07:14:33.775 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:33.775 INFO [stderr] 
Dec 06 07:14:34.214 INFO [stderr] warning: unused variable: `role`
Dec 06 07:14:34.214 INFO [stderr]   --> src/user.rs:55:35
Dec 06 07:14:34.214 INFO [stderr]    |
Dec 06 07:14:34.214 INFO [stderr] 55 |     pub fn revoke_role(&mut self, role: &Role) {
Dec 06 07:14:34.214 INFO [stderr]    |                                   ^^^^ help: consider using `_role` instead
Dec 06 07:14:34.214 INFO [stderr]    |
Dec 06 07:14:34.214 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 07:14:34.214 INFO [stderr] 
Dec 06 07:14:34.244 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.244 INFO [stderr]   --> src/controller.rs:53:13
Dec 06 07:14:34.244 INFO [stderr]    |
Dec 06 07:14:34.244 INFO [stderr] 53 |         let mut room_data = self.room_data_interface.provide_room_data();
Dec 06 07:14:34.244 INFO [stderr]    |             ----^^^^^^^^^
Dec 06 07:14:34.244 INFO [stderr]    |             |
Dec 06 07:14:34.244 INFO [stderr]    |             help: remove this `mut`
Dec 06 07:14:34.244 INFO [stderr]    |
Dec 06 07:14:34.244 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 06 07:14:34.244 INFO [stderr] 
Dec 06 07:14:34.252 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.252 INFO [stderr]    --> src/controller.rs:116:13
Dec 06 07:14:34.252 INFO [stderr]     |
Dec 06 07:14:34.252 INFO [stderr] 116 |         let mut room = Room::new(name, owner);
Dec 06 07:14:34.252 INFO [stderr]     |             ----^^^^
Dec 06 07:14:34.252 INFO [stderr]     |             |
Dec 06 07:14:34.252 INFO [stderr]     |             help: remove this `mut`
Dec 06 07:14:34.252 INFO [stderr] 
Dec 06 07:14:34.268 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.268 INFO [stderr]    --> src/controller.rs:392:9
Dec 06 07:14:34.268 INFO [stderr]     |
Dec 06 07:14:34.272 INFO [stderr] 392 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 06 07:14:34.272 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:34.272 INFO [stderr]     |         |
Dec 06 07:14:34.272 INFO [stderr]     |         help: remove this `mut`
Dec 06 07:14:34.272 INFO [stderr] 
Dec 06 07:14:34.276 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.277 INFO [stderr]    --> src/controller.rs:420:9
Dec 06 07:14:34.277 INFO [stderr]     |
Dec 06 07:14:34.278 INFO [stderr] 420 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 06 07:14:34.279 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:34.279 INFO [stderr]     |         |
Dec 06 07:14:34.279 INFO [stderr]     |         help: remove this `mut`
Dec 06 07:14:34.279 INFO [stderr] 
Dec 06 07:14:34.279 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.279 INFO [stderr]    --> src/controller.rs:454:9
Dec 06 07:14:34.279 INFO [stderr]     |
Dec 06 07:14:34.279 INFO [stderr] 454 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 06 07:14:34.279 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:34.279 INFO [stderr]     |         |
Dec 06 07:14:34.279 INFO [stderr]     |         help: remove this `mut`
Dec 06 07:14:34.279 INFO [stderr] 
Dec 06 07:14:34.281 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.281 INFO [stderr]    --> src/controller.rs:486:9
Dec 06 07:14:34.281 INFO [stderr]     |
Dec 06 07:14:34.281 INFO [stderr] 486 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 06 07:14:34.281 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:34.281 INFO [stderr]     |         |
Dec 06 07:14:34.281 INFO [stderr]     |         help: remove this `mut`
Dec 06 07:14:34.283 INFO [stderr] 
Dec 06 07:14:34.283 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.283 INFO [stderr]    --> src/controller.rs:526:9
Dec 06 07:14:34.284 INFO [stderr]     |
Dec 06 07:14:34.284 INFO [stderr] 526 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 06 07:14:34.284 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:34.285 INFO [stderr]     |         |
Dec 06 07:14:34.286 INFO [stderr]     |         help: remove this `mut`
Dec 06 07:14:34.286 INFO [stderr] 
Dec 06 07:14:34.286 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.286 INFO [stderr]    --> src/controller.rs:567:9
Dec 06 07:14:34.286 INFO [stderr]     |
Dec 06 07:14:34.286 INFO [stderr] 567 |     let mut room_data_interface = MockRoomDataImpl::new(&user_data);
Dec 06 07:14:34.286 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^
Dec 06 07:14:34.286 INFO [stderr]     |         |
Dec 06 07:14:34.286 INFO [stderr]     |         help: remove this `mut`
Dec 06 07:14:34.296 INFO [stderr] 
Dec 06 07:14:34.362 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.363 INFO [stderr]    --> src/room.rs:160:9
Dec 06 07:14:34.363 INFO [stderr]     |
Dec 06 07:14:34.363 INFO [stderr] 160 |     let mut room = Room::new("Testroom".to_string(), user.copy_id());
Dec 06 07:14:34.363 INFO [stderr]     |         ----^^^^
Dec 06 07:14:34.363 INFO [stderr]     |         |
Dec 06 07:14:34.368 INFO [stderr]     |         help: remove this `mut`
Dec 06 07:14:34.368 INFO [stderr] 
Dec 06 07:14:34.398 INFO [stderr] warning: variable does not need to be mutable
Dec 06 07:14:34.399 INFO [stderr]   --> src/user.rs:96:9
Dec 06 07:14:34.399 INFO [stderr]    |
Dec 06 07:14:34.399 INFO [stderr] 96 |     let mut user = User::new(
Dec 06 07:14:34.399 INFO [stderr]    |         ----^^^^
Dec 06 07:14:34.399 INFO [stderr]    |         |
Dec 06 07:14:34.399 INFO [stderr]    |         help: remove this `mut`
Dec 06 07:14:34.400 INFO [stderr] 
Dec 06 07:14:38.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.58s
Dec 06 07:14:38.719 INFO [stderr] su: No module specific data is present
Dec 06 07:14:39.235 INFO running `"docker" "inspect" "07704ba73dbb939287732679f5559223c0bf508a22e9adecb9c6ed6df58e8b2c"`
Dec 06 07:14:39.466 INFO running `"docker" "rm" "-f" "07704ba73dbb939287732679f5559223c0bf508a22e9adecb9c6ed6df58e8b2c"`
Dec 06 07:14:39.664 INFO [stdout] 07704ba73dbb939287732679f5559223c0bf508a22e9adecb9c6ed6df58e8b2c
Dec 06 07:14:39.667 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 07:14:40.028 INFO [stdout] 82a71bc52cb6971f4e08042992440e99e76117b7df0ac0678a4f778400c6edb6
Dec 06 07:14:40.032 INFO running `"docker" "start" "-a" "82a71bc52cb6971f4e08042992440e99e76117b7df0ac0678a4f778400c6edb6"`
Dec 06 07:14:40.466 INFO [stderr] usermod: no changes
Dec 06 07:14:40.699 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
Dec 06 07:14:40.708 INFO [stderr]      Running /target/debug/deps/alienchat-c7a3c469c6811212
Dec 06 07:14:40.719 INFO [stdout] 
Dec 06 07:14:40.719 INFO [stdout] running 9 tests
Dec 06 07:14:40.720 INFO [stdout] test controller::test_mute ... ok
Dec 06 07:14:40.721 INFO [stdout] test controller::test_interface ... ok
Dec 06 07:14:40.721 INFO [stdout] test controller::test_moderator ... ok
Dec 06 07:14:40.721 INFO [stdout] test controller::test_room ... ok
Dec 06 07:14:40.721 INFO [stdout] test room::test_room_serialize ... ok
Dec 06 07:14:40.721 INFO [stdout] test controller::test_ban ... ok
Dec 06 07:14:40.722 INFO [stdout] test controller::test_member ... ok
Dec 06 07:14:40.722 INFO [stdout] test user::test_role ... ok
Dec 06 07:14:40.722 INFO [stdout] test user::test_user_serialize ... ok
Dec 06 07:14:40.722 INFO [stdout] 
Dec 06 07:14:40.722 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 07:14:40.722 INFO [stdout] 
Dec 06 07:14:40.727 INFO [stderr] su: No module specific data is present
Dec 06 07:14:41.026 INFO running `"docker" "inspect" "82a71bc52cb6971f4e08042992440e99e76117b7df0ac0678a4f778400c6edb6"`
Dec 06 07:14:41.154 INFO running `"docker" "rm" "-f" "82a71bc52cb6971f4e08042992440e99e76117b7df0ac0678a4f778400c6edb6"`
Dec 06 07:14:41.291 INFO [stdout] 82a71bc52cb6971f4e08042992440e99e76117b7df0ac0678a4f778400c6edb6