Dec 19 21:05:16.222 INFO checking acmumn/chat against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:05:16.222 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/acmumn/chat:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:05:16.710 INFO [stdout] 6ddadb728fb4290dd5099457381987a1f5d2086ac97f46ef166c6fd85a153f2e
Dec 19 21:05:16.712 INFO running `"docker" "start" "-a" "6ddadb728fb4290dd5099457381987a1f5d2086ac97f46ef166c6fd85a153f2e"`
Dec 19 21:05:19.767 INFO [stderr]    Compiling ring v0.13.3
Dec 19 21:05:19.818 INFO [stderr]     Checking rusqlite v0.15.0
Dec 19 21:05:19.849 INFO [stderr]    Compiling structopt-derive v0.2.13
Dec 19 21:05:19.849 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 19 21:05:19.850 INFO [stderr]     Checking tokio-core v0.1.17
Dec 19 21:05:32.260 INFO [stderr]     Checking structopt v0.2.13
Dec 19 21:05:36.868 INFO [stderr]     Checking sct v0.4.0
Dec 19 21:05:36.868 INFO [stderr]     Checking webpki v0.18.1
Dec 19 21:05:38.576 INFO [stderr]     Checking rustls v0.14.0
Dec 19 21:05:38.576 INFO [stderr]     Checking webpki-roots v0.15.0
Dec 19 21:05:49.068 INFO [stderr]     Checking tokio-rustls v0.8.0
Dec 19 21:05:49.872 INFO [stderr]     Checking irc v0.13.6
Dec 19 21:05:50.425 INFO [stderr]     Checking actix-net v0.2.2
Dec 19 21:05:55.468 INFO [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
Dec 19 21:05:57.788 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 21:05:57.788 INFO [stderr]  --> src/lib.rs:8:1
Dec 19 21:05:57.788 INFO [stderr]   |
Dec 19 21:05:57.788 INFO [stderr] 8 | #[macro_use]
Dec 19 21:05:57.788 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 21:05:57.788 INFO [stderr]   |
Dec 19 21:05:57.788 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:05:57.788 INFO [stderr] 
Dec 19 21:05:57.792 INFO [stderr] warning: unused import: `TcpConnect`
Dec 19 21:05:57.792 INFO [stderr]  --> src/server.rs:7:5
Dec 19 21:05:57.792 INFO [stderr]   |
Dec 19 21:05:57.792 INFO [stderr] 7 | use TcpConnect;
Dec 19 21:05:57.792 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 21:05:57.792 INFO [stderr] 
Dec 19 21:05:57.888 INFO [stderr] warning: unused variable: `framed`
Dec 19 21:05:57.888 INFO [stderr]   --> src/client.rs:24:9
Dec 19 21:05:57.888 INFO [stderr]    |
Dec 19 21:05:57.888 INFO [stderr] 24 |         framed: FramedWrite<WriteHalf<TcpStream>, ClientCodec>,
Dec 19 21:05:57.888 INFO [stderr]    |         ^^^^^^ help: consider using `_framed` instead
Dec 19 21:05:57.888 INFO [stderr]    |
Dec 19 21:05:57.888 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:05:57.888 INFO [stderr] 
Dec 19 21:05:57.888 INFO [stderr] warning: unused variable: `ctx`
Dec 19 21:05:57.888 INFO [stderr]   --> src/client.rs:33:40
Dec 19 21:05:57.888 INFO [stderr]    |
Dec 19 21:05:57.888 INFO [stderr] 33 |     fn handle(&mut self, msg: Request, ctx: &mut Self::Context) {
Dec 19 21:05:57.888 INFO [stderr]    |                                        ^^^ help: consider using `_ctx` instead
Dec 19 21:05:57.888 INFO [stderr] 
Dec 19 21:05:57.888 INFO [stderr] warning: unused variable: `msg`
Dec 19 21:05:57.888 INFO [stderr]   --> src/server.rs:29:26
Dec 19 21:05:57.888 INFO [stderr]    |
Dec 19 21:05:57.888 INFO [stderr] 29 |     fn handle(&mut self, msg: messages::ClientConnect, _: &mut Context<Self>) -> Self::Result {
Dec 19 21:05:57.888 INFO [stderr]    |                          ^^^ help: consider using `_msg` instead
Dec 19 21:05:57.888 INFO [stderr] 
Dec 19 21:05:57.908 INFO [stderr] warning: struct is never constructed: `Client`
Dec 19 21:05:57.908 INFO [stderr]   --> src/client.rs:13:1
Dec 19 21:05:57.908 INFO [stderr]    |
Dec 19 21:05:57.908 INFO [stderr] 13 | pub struct Client {
Dec 19 21:05:57.908 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 21:05:57.908 INFO [stderr]    |
Dec 19 21:05:57.908 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:05:57.908 INFO [stderr] 
Dec 19 21:05:57.909 INFO [stderr] warning: field is never used: `server`
Dec 19 21:05:57.909 INFO [stderr]   --> src/client.rs:18:5
Dec 19 21:05:57.909 INFO [stderr]    |
Dec 19 21:05:57.909 INFO [stderr] 18 |     server: Addr<Server>,
Dec 19 21:05:57.909 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:05:57.909 INFO [stderr] 
Dec 19 21:05:57.909 INFO [stderr] warning: field is never used: `addr`
Dec 19 21:05:57.909 INFO [stderr]  --> src/messages.rs:6:5
Dec 19 21:05:57.909 INFO [stderr]   |
Dec 19 21:05:57.909 INFO [stderr] 6 |     addr: Addr<Session>,
Dec 19 21:05:57.909 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:05:57.909 INFO [stderr] 
Dec 19 21:05:57.909 INFO [stderr] warning: field is never used: `clients`
Dec 19 21:05:57.909 INFO [stderr]   --> src/server.rs:10:5
Dec 19 21:05:57.909 INFO [stderr]    |
Dec 19 21:05:57.909 INFO [stderr] 10 |     clients: HashMap<usize, Addr<Session>>,
Dec 19 21:05:57.909 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:05:57.909 INFO [stderr] 
Dec 19 21:05:57.909 INFO [stderr] warning: field is never used: `counter`
Dec 19 21:05:57.909 INFO [stderr]   --> src/server.rs:11:5
Dec 19 21:05:57.909 INFO [stderr]    |
Dec 19 21:05:57.909 INFO [stderr] 11 |     counter: u32,
Dec 19 21:05:57.909 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:05:57.909 INFO [stderr] 
Dec 19 21:05:57.909 INFO [stderr] warning: struct is never constructed: `User`
Dec 19 21:05:57.909 INFO [stderr]  --> src/user.rs:1:1
Dec 19 21:05:57.909 INFO [stderr]   |
Dec 19 21:05:57.909 INFO [stderr] 1 | pub struct User {}
Dec 19 21:05:57.909 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 21:05:57.909 INFO [stderr] 
Dec 19 21:05:58.004 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 21:05:58.004 INFO [stderr]  --> src/lib.rs:8:1
Dec 19 21:05:58.004 INFO [stderr]   |
Dec 19 21:05:58.004 INFO [stderr] 8 | #[macro_use]
Dec 19 21:05:58.004 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 21:05:58.004 INFO [stderr]   |
Dec 19 21:05:58.004 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 21:05:58.004 INFO [stderr] 
Dec 19 21:05:58.004 INFO [stderr] warning: unused import: `TcpConnect`
Dec 19 21:05:58.004 INFO [stderr]  --> src/server.rs:7:5
Dec 19 21:05:58.004 INFO [stderr]   |
Dec 19 21:05:58.004 INFO [stderr] 7 | use TcpConnect;
Dec 19 21:05:58.004 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 21:05:58.004 INFO [stderr] 
Dec 19 21:05:58.108 INFO [stderr] warning: unused variable: `framed`
Dec 19 21:05:58.108 INFO [stderr]   --> src/client.rs:24:9
Dec 19 21:05:58.108 INFO [stderr]    |
Dec 19 21:05:58.108 INFO [stderr] 24 |         framed: FramedWrite<WriteHalf<TcpStream>, ClientCodec>,
Dec 19 21:05:58.108 INFO [stderr]    |         ^^^^^^ help: consider using `_framed` instead
Dec 19 21:05:58.108 INFO [stderr]    |
Dec 19 21:05:58.108 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:05:58.108 INFO [stderr] 
Dec 19 21:05:58.108 INFO [stderr] warning: unused variable: `ctx`
Dec 19 21:05:58.108 INFO [stderr]   --> src/client.rs:33:40
Dec 19 21:05:58.108 INFO [stderr]    |
Dec 19 21:05:58.108 INFO [stderr] 33 |     fn handle(&mut self, msg: Request, ctx: &mut Self::Context) {
Dec 19 21:05:58.108 INFO [stderr]    |                                        ^^^ help: consider using `_ctx` instead
Dec 19 21:05:58.108 INFO [stderr] 
Dec 19 21:05:58.108 INFO [stderr] warning: unused variable: `msg`
Dec 19 21:05:58.108 INFO [stderr]   --> src/server.rs:29:26
Dec 19 21:05:58.108 INFO [stderr]    |
Dec 19 21:05:58.108 INFO [stderr] 29 |     fn handle(&mut self, msg: messages::ClientConnect, _: &mut Context<Self>) -> Self::Result {
Dec 19 21:05:58.108 INFO [stderr]    |                          ^^^ help: consider using `_msg` instead
Dec 19 21:05:58.108 INFO [stderr] 
Dec 19 21:05:58.124 INFO [stderr] warning: struct is never constructed: `Client`
Dec 19 21:05:58.124 INFO [stderr]   --> src/client.rs:13:1
Dec 19 21:05:58.124 INFO [stderr]    |
Dec 19 21:05:58.124 INFO [stderr] 13 | pub struct Client {
Dec 19 21:05:58.124 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 21:05:58.124 INFO [stderr]    |
Dec 19 21:05:58.124 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:05:58.124 INFO [stderr] 
Dec 19 21:05:58.124 INFO [stderr] warning: field is never used: `server`
Dec 19 21:05:58.124 INFO [stderr]   --> src/client.rs:18:5
Dec 19 21:05:58.124 INFO [stderr]    |
Dec 19 21:05:58.124 INFO [stderr] 18 |     server: Addr<Server>,
Dec 19 21:05:58.124 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 21:05:58.124 INFO [stderr] 
Dec 19 21:05:58.124 INFO [stderr] warning: field is never used: `addr`
Dec 19 21:05:58.124 INFO [stderr]  --> src/messages.rs:6:5
Dec 19 21:05:58.124 INFO [stderr]   |
Dec 19 21:05:58.124 INFO [stderr] 6 |     addr: Addr<Session>,
Dec 19 21:05:58.124 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:05:58.124 INFO [stderr] 
Dec 19 21:05:58.125 INFO [stderr] warning: field is never used: `clients`
Dec 19 21:05:58.125 INFO [stderr]   --> src/server.rs:10:5
Dec 19 21:05:58.125 INFO [stderr]    |
Dec 19 21:05:58.125 INFO [stderr] 10 |     clients: HashMap<usize, Addr<Session>>,
Dec 19 21:05:58.125 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:05:58.125 INFO [stderr] 
Dec 19 21:05:58.125 INFO [stderr] warning: field is never used: `counter`
Dec 19 21:05:58.125 INFO [stderr]   --> src/server.rs:11:5
Dec 19 21:05:58.125 INFO [stderr]    |
Dec 19 21:05:58.125 INFO [stderr] 11 |     counter: u32,
Dec 19 21:05:58.125 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:05:58.125 INFO [stderr] 
Dec 19 21:05:58.125 INFO [stderr] warning: struct is never constructed: `User`
Dec 19 21:05:58.125 INFO [stderr]  --> src/user.rs:1:1
Dec 19 21:05:58.125 INFO [stderr]   |
Dec 19 21:05:58.125 INFO [stderr] 1 | pub struct User {}
Dec 19 21:05:58.125 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 21:05:58.125 INFO [stderr] 
Dec 19 21:06:00.200 INFO [stderr] warning: unused variable: `sys`
Dec 19 21:06:00.200 INFO [stderr]  --> src/main.rs:7:9
Dec 19 21:06:00.200 INFO [stderr]   |
Dec 19 21:06:00.200 INFO [stderr] 7 |     let sys = System::run(|| {
Dec 19 21:06:00.200 INFO [stderr]   |         ^^^ help: consider using `_sys` instead
Dec 19 21:06:00.200 INFO [stderr]   |
Dec 19 21:06:00.200 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 21:06:00.200 INFO [stderr] 
Dec 19 21:06:00.200 INFO [stderr] warning: unused variable: `sys`
Dec 19 21:06:00.200 INFO [stderr]  --> src/main.rs:7:9
Dec 19 21:06:00.200 INFO [stderr]   |
Dec 19 21:06:00.200 INFO [stderr] 7 |     let sys = System::run(|| {
Dec 19 21:06:00.200 INFO [stderr]   |         ^^^ help: consider using `_sys` instead
Dec 19 21:06:00.200 INFO [stderr]   |
Dec 19 21:06:00.200 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 21:06:00.200 INFO [stderr] 
Dec 19 21:06:00.241 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.91s
Dec 19 21:06:00.780 INFO running `"docker" "inspect" "6ddadb728fb4290dd5099457381987a1f5d2086ac97f46ef166c6fd85a153f2e"`
Dec 19 21:06:00.930 INFO running `"docker" "rm" "-f" "6ddadb728fb4290dd5099457381987a1f5d2086ac97f46ef166c6fd85a153f2e"`
Dec 19 21:06:01.128 INFO [stdout] 6ddadb728fb4290dd5099457381987a1f5d2086ac97f46ef166c6fd85a153f2e