[INFO] updating cached repository scrogson/chat.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scrogson/chat.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/chat.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/scrogson/chat.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/scrogson/chat.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scrogson/chat.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scrogson/chat.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scrogson/chat.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 29649f800d5c8f908c4b748b88f6d8870fb298dc
[INFO] sha for GitHub repo scrogson/chat.rs: 29649f800d5c8f908c4b748b88f6d8870fb298dc
[INFO] validating manifest of scrogson/chat.rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scrogson/chat.rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scrogson/chat.rs
[INFO] finished frobbing scrogson/chat.rs
[INFO] frobbed toml for scrogson/chat.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/scrogson/chat.rs/Cargo.toml
[INFO] started frobbing scrogson/chat.rs
[INFO] finished frobbing scrogson/chat.rs
[INFO] frobbed toml for scrogson/chat.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/scrogson/chat.rs/Cargo.toml
[INFO] crate scrogson/chat.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/scrogson/chat.rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing scrogson/chat.rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/scrogson/chat.rs:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 79fb2d777f4cb646f75538880fc32a447cb3d91b7b393eb4f67ce4436434d7fa
[INFO] running `"docker" "start" "-a" "79fb2d777f4cb646f75538880fc32a447cb3d91b7b393eb4f67ce4436434d7fa"`
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]    Compiling mio v0.7.0 (https://github.com/carllerche/mio#51e1c458)
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `mio::tcp`
[INFO] [stderr]   --> src/main.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | use mio::tcp::*;
[INFO] [stderr]    |          ^^^ could not find `tcp` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]   --> src/main.rs:79:23
[INFO] [stderr]    |
[INFO] [stderr] 79 |             interest: EventSet::readable(),
[INFO] [stderr]    |                       ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:116:38
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 self.interest.remove(EventSet::readable());
[INFO] [stderr]     |                                      ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:117:38
[INFO] [stderr]     |
[INFO] [stderr] 117 |                 self.interest.insert(EventSet::writable());
[INFO] [stderr]     |                                      ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:137:46
[INFO] [stderr]     |
[INFO] [stderr] 137 |                         self.interest.remove(EventSet::readable());
[INFO] [stderr]     |                                              ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:138:46
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         self.interest.insert(EventSet::writable());
[INFO] [stderr]     |                                              ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:169:38
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 self.interest.remove(EventSet::writable());
[INFO] [stderr]     |                                      ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:172:42
[INFO] [stderr]     |
[INFO] [stderr] 172 |                     self.interest.insert(EventSet::hup());
[INFO] [stderr]     |                                          ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:174:42
[INFO] [stderr]     |
[INFO] [stderr] 174 |                     self.interest.insert(EventSet::readable());
[INFO] [stderr]     |                                          ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:191:30
[INFO] [stderr]     |
[INFO] [stderr] 191 |         self.interest.remove(EventSet::writable());
[INFO] [stderr]     |                              ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:192:30
[INFO] [stderr]     |
[INFO] [stderr] 192 |         self.interest.insert(EventSet::readable());
[INFO] [stderr]     |                              ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:222:86
[INFO] [stderr]     |
[INFO] [stderr] 222 |                     event_loop.register(&self.clients[&new_token].socket, new_token, EventSet::readable(),
[INFO] [stderr]     |                                                                                      ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PollOpt`
[INFO] [stderr]    --> src/main.rs:223:41
[INFO] [stderr]     |
[INFO] [stderr] 223 |                                         PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stderr]     |                                         ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PollOpt`
[INFO] [stderr]    --> src/main.rs:223:59
[INFO] [stderr]     |
[INFO] [stderr] 223 |                                         PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stderr]     |                                                           ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PollOpt`
[INFO] [stderr]    --> src/main.rs:229:43
[INFO] [stderr]     |
[INFO] [stderr] 229 |                                           PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stderr]     |                                           ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PollOpt`
[INFO] [stderr]    --> src/main.rs:229:61
[INFO] [stderr]     |
[INFO] [stderr] 229 |                                           PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stderr]     |                                                             ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PollOpt`
[INFO] [stderr]    --> src/main.rs:238:35
[INFO] [stderr]     |
[INFO] [stderr] 238 |                                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stderr]     |                                   ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PollOpt`
[INFO] [stderr]    --> src/main.rs:238:53
[INFO] [stderr]     |
[INFO] [stderr] 238 |                                   PollOpt::edge() | PollOpt::oneshot()).unwrap();
[INFO] [stderr]     |                                                     ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Shutdown`
[INFO] [stderr]    --> src/main.rs:243:36
[INFO] [stderr]     |
[INFO] [stderr] 243 |             client.socket.shutdown(Shutdown::Both);
[INFO] [stderr]     |                                    ^^^^^^^^ use of undeclared type or module `Shutdown`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `TcpListener`
[INFO] [stderr]    --> src/main.rs:251:25
[INFO] [stderr]     |
[INFO] [stderr] 251 |     let server_socket = TcpListener::bind(&address).unwrap();
[INFO] [stderr]     |                         ^^^^^^^^^^^ use of undeclared type or module `TcpListener`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventLoop`
[INFO] [stderr]    --> src/main.rs:253:26
[INFO] [stderr]     |
[INFO] [stderr] 253 |     let mut event_loop = EventLoop::new().unwrap();
[INFO] [stderr]     |                          ^^^^^^^^^ use of undeclared type or module `EventLoop`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventSet`
[INFO] [stderr]    --> src/main.rs:262:25
[INFO] [stderr]     |
[INFO] [stderr] 262 |                         EventSet::readable(),
[INFO] [stderr]     |                         ^^^^^^^^ use of undeclared type or module `EventSet`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `PollOpt`
[INFO] [stderr]    --> src/main.rs:263:25
[INFO] [stderr]     |
[INFO] [stderr] 263 |                         PollOpt::edge()).unwrap();
[INFO] [stderr]     |                         ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stderr]   --> src/main.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |     socket: TcpStream,
[INFO] [stderr]    |             ^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 9  | use mio::net::TcpStream;
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::net::TcpStream;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `EventSet` in this scope
[INFO] [stderr]   --> src/main.rs:67:15
[INFO] [stderr]    |
[INFO] [stderr] 67 |     interest: EventSet,
[INFO] [stderr]    |               ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stderr]   --> src/main.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn new(socket: TcpStream) -> WebSocketClient {
[INFO] [stderr]    |                    ^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 9  | use mio::net::TcpStream;
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::net::TcpStream;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `TcpListener` in this scope
[INFO] [stderr]    --> src/main.rs:197:13
[INFO] [stderr]     |
[INFO] [stderr] 197 |     socket: TcpListener,
[INFO] [stderr]     |             ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]     |
[INFO] [stderr] 9   | use mio::net::TcpListener;
[INFO] [stderr]     |
[INFO] [stderr] 9   | use std::net::TcpListener;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Handler` in this scope
[INFO] [stderr]    --> src/main.rs:202:6
[INFO] [stderr]     |
[INFO] [stderr] 202 | impl Handler for WebSocketServer {
[INFO] [stderr]     |      ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `EventLoop` in this scope
[INFO] [stderr]    --> src/main.rs:206:42
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn ready(&mut self, event_loop: &mut EventLoop<WebSocketServer>, token: Token, events: EventSet) {
[INFO] [stderr]     |                                          ^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `EventSet` in this scope
[INFO] [stderr]    --> src/main.rs:206:92
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn ready(&mut self, event_loop: &mut EventLoop<WebSocketServer>, token: Token, events: EventSet) {
[INFO] [stderr]     |                                                                                            ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/frame.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write, Error};
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mio::tcp::*`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use mio::tcp::*;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 30 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0412, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `chat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "79fb2d777f4cb646f75538880fc32a447cb3d91b7b393eb4f67ce4436434d7fa"`
[INFO] running `"docker" "rm" "-f" "79fb2d777f4cb646f75538880fc32a447cb3d91b7b393eb4f67ce4436434d7fa"`
[INFO] [stdout] 79fb2d777f4cb646f75538880fc32a447cb3d91b7b393eb4f67ce4436434d7fa