[INFO] updating cached repository https://github.com/maksimf/chat
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d14ae83dc5cc16939884eed360c875a41c6215c6
[INFO] checking maksimf/chat against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaksimf%2Fchat" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maksimf/chat on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/maksimf/chat
[INFO] finished tweaking git repo https://github.com/maksimf/chat
[INFO] tweaked toml for git repo https://github.com/maksimf/chat written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/maksimf/chat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/mio`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56330a1e201d31773050c2c4ff06ff052bcc9581a1862ce8af5417d01af5b8ce
[INFO] running `"docker" "start" "-a" "56330a1e201d31773050c2c4ff06ff052bcc9581a1862ce8af5417d01af5b8ce"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking mio v0.7.0 (https://github.com/carllerche/mio#aaa243cf)
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `mio::tcp`
[INFO] [stderr]  --> src/main.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | 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 `EventLoop`
[INFO] [stderr]   --> src/main.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |     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 `TcpListener`
[INFO] [stderr]   --> src/main.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |     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 `EventSet`
[INFO] [stderr]   --> src/main.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |                         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:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |                         PollOpt::edge()).unwrap();
[INFO] [stderr]    |                         ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Handler` in this scope
[INFO] [stderr]  --> src/main.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl Handler for WebSocketServer {
[INFO] [stderr]   |      ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error[E0432]: unresolved import `mio::tcp`
[INFO] [stderr]  --> src/main.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | use mio::tcp::*;
[INFO] [stderr]   |          ^^^ could not find `tcp` in `mio`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `chat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `EventLoop`
[INFO] [stderr]   --> src/main.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |     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 `TcpListener`
[INFO] [stderr]   --> src/main.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |     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 `EventSet`
[INFO] [stderr]   --> src/main.rs:24:25
[INFO] [stderr]    |
[INFO] [stderr] 24 |                         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:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |                         PollOpt::edge()).unwrap();
[INFO] [stderr]    |                         ^^^^^^^ use of undeclared type or module `PollOpt`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `Handler` in this scope
[INFO] [stderr]  --> src/main.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl Handler for WebSocketServer {
[INFO] [stderr]   |      ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, 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" "56330a1e201d31773050c2c4ff06ff052bcc9581a1862ce8af5417d01af5b8ce"`
[INFO] running `"docker" "rm" "-f" "56330a1e201d31773050c2c4ff06ff052bcc9581a1862ce8af5417d01af5b8ce"`
[INFO] [stdout] 56330a1e201d31773050c2c4ff06ff052bcc9581a1862ce8af5417d01af5b8ce
