[INFO] cloning repository https://github.com/raginggeek/rustchat-practice [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raginggeek/rustchat-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraginggeek%2Frustchat-practice"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraginggeek%2Frustchat-practice'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7d4dc96fe5aa31dd91f91a693e24b91bd6e1a09e [INFO] checking raginggeek/rustchat-practice against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraginggeek%2Frustchat-practice" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/raginggeek/rustchat-practice on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/raginggeek/rustchat-practice [INFO] finished tweaking git repo https://github.com/raginggeek/rustchat-practice [INFO] tweaked toml for git repo https://github.com/raginggeek/rustchat-practice written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/raginggeek/rustchat-practice already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] fa9476a5f7f288aa508ee31908b8d8f7e385d268a2c1f33c4cf256a168a62661 [INFO] running `"docker" "start" "-a" "fa9476a5f7f288aa508ee31908b8d8f7e385d268a2c1f33c4cf256a168a62661"` [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Checking sha1 v0.1.1 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking RustChat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0277]: `std::cell::Cell>` cannot be shared between threads safely [INFO] [stderr] --> src/interface.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | thread::spawn(move || { [INFO] [stderr] | ^^^^^^^^^^^^^ `std::cell::Cell>` cannot be shared between threads safely [INFO] [stderr] | [INFO] [stderr] = help: within `(mio::Token, client::WebSocketClient)`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell>` [INFO] [stderr] = note: required because it appears within the type `mio::sys::unix::tcp::TcpStream` [INFO] [stderr] = note: required because it appears within the type `mio::tcp::TcpStream` [INFO] [stderr] = note: required because it appears within the type `client::WebSocketClient` [INFO] [stderr] = note: required because it appears within the type `(mio::Token, client::WebSocketClient)` [INFO] [stderr] = note: required because of the requirements on the impl of `std::marker::Sync` for `hashbrown::raw::RawTable<(mio::Token, client::WebSocketClient)>` [INFO] [stderr] = note: required because it appears within the type `hashbrown::map::HashMap` [INFO] [stderr] = note: required because it appears within the type `std::collections::HashMap` [INFO] [stderr] = note: required because of the requirements on the impl of `std::marker::Sync` for `std::sync::RwLock>` [INFO] [stderr] = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::Arc>>` [INFO] [stderr] = note: required because it appears within the type `server::WebSocketServerState` [INFO] [stderr] = note: required because it appears within the type `[closure@src/interface.rs:36:23: 48:10 address:std::net::SocketAddr, mio_server_state:server::WebSocketServerState, tx:std::sync::mpsc::Sender]` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `RustChat`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0277]: `std::cell::Cell>` cannot be shared between threads safely [INFO] [stderr] --> src/interface.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | thread::spawn(move || { [INFO] [stderr] | ^^^^^^^^^^^^^ `std::cell::Cell>` cannot be shared between threads safely [INFO] [stderr] | [INFO] [stderr] = help: within `(mio::Token, client::WebSocketClient)`, the trait `std::marker::Sync` is not implemented for `std::cell::Cell>` [INFO] [stderr] = note: required because it appears within the type `mio::sys::unix::tcp::TcpStream` [INFO] [stderr] = note: required because it appears within the type `mio::tcp::TcpStream` [INFO] [stderr] = note: required because it appears within the type `client::WebSocketClient` [INFO] [stderr] = note: required because it appears within the type `(mio::Token, client::WebSocketClient)` [INFO] [stderr] = note: required because of the requirements on the impl of `std::marker::Sync` for `hashbrown::raw::RawTable<(mio::Token, client::WebSocketClient)>` [INFO] [stderr] = note: required because it appears within the type `hashbrown::map::HashMap` [INFO] [stderr] = note: required because it appears within the type `std::collections::HashMap` [INFO] [stderr] = note: required because of the requirements on the impl of `std::marker::Sync` for `std::sync::RwLock>` [INFO] [stderr] = note: required because of the requirements on the impl of `std::marker::Send` for `std::sync::Arc>>` [INFO] [stderr] = note: required because it appears within the type `server::WebSocketServerState` [INFO] [stderr] = note: required because it appears within the type `[closure@src/interface.rs:36:23: 48:10 address:std::net::SocketAddr, mio_server_state:server::WebSocketServerState, tx:std::sync::mpsc::Sender]` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `RustChat`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "fa9476a5f7f288aa508ee31908b8d8f7e385d268a2c1f33c4cf256a168a62661"` [INFO] running `"docker" "rm" "-f" "fa9476a5f7f288aa508ee31908b8d8f7e385d268a2c1f33c4cf256a168a62661"` [INFO] [stdout] fa9476a5f7f288aa508ee31908b8d8f7e385d268a2c1f33c4cf256a168a62661