[INFO] cloning repository https://github.com/raginggeek/rustchat-practice
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraginggeek%2Frustchat-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d4dc96fe5aa31dd91f91a693e24b91bd6e1a09e
[INFO] building raginggeek/rustchat-practice against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraginggeek%2Frustchat-practice" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raginggeek/rustchat-practice on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/raginggeek/rustchat-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http-muncher v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20bdc20787f709a6bd5aa7a27810c1ee11633ed737f1e28b6513a74e8ca27156
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "20bdc20787f709a6bd5aa7a27810c1ee11633ed737f1e28b6513a74e8ca27156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20bdc20787f709a6bd5aa7a27810c1ee11633ed737f1e28b6513a74e8ca27156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20bdc20787f709a6bd5aa7a27810c1ee11633ed737f1e28b6513a74e8ca27156", kill_on_drop: false }`
[INFO] [stdout] 20bdc20787f709a6bd5aa7a27810c1ee11633ed737f1e28b6513a74e8ca27156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a179ccbfad3ea2129ea044669994de8da90e2356b6bbf37324557cab1518a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1a179ccbfad3ea2129ea044669994de8da90e2356b6bbf37324557cab1518a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling http-muncher v0.2.5
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling sha1 v0.1.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling RustChat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/frame.rs:101:28
[INFO] [stdout]     |
[INFO] [stdout] 101 |             .map_err(|e| e.description().to_string())?;
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/frame.rs:104:28
[INFO] [stdout]     |
[INFO] [stdout] 104 |             .map_err(|e| e.description().to_string())?;
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/client.rs:94:32
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 .map_err(|e| e.description().to_string())?;
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Cell<Option<usize>>` cannot be shared between threads safely
[INFO] [stdout]    --> src/interface.rs:36:9
[INFO] [stdout]     |
[INFO] [stdout] 36  |         thread::spawn(move || {
[INFO] [stdout]     |         ^^^^^^^^^^^^^ `Cell<Option<usize>>` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `(mio::Token, WebSocketClient)`, the trait `Sync` is not implemented for `Cell<Option<usize>>`
[INFO] [stdout]     = note: required because it appears within the type `mio::sys::unix::tcp::TcpStream`
[INFO] [stdout]     = note: required because it appears within the type `mio::tcp::TcpStream`
[INFO] [stdout] note: required because it appears within the type `WebSocketClient`
[INFO] [stdout]    --> src/client.rs:37:12
[INFO] [stdout]     |
[INFO] [stdout] 37  | pub struct WebSocketClient {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required because it appears within the type `(mio::Token, WebSocketClient)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Sync` for `hashbrown::raw::RawTable<(mio::Token, WebSocketClient)>`
[INFO] [stdout]     = note: required because it appears within the type `hashbrown::map::HashMap<mio::Token, WebSocketClient, RandomState>`
[INFO] [stdout]     = note: required because it appears within the type `HashMap<mio::Token, WebSocketClient>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Sync` for `RwLock<HashMap<mio::Token, WebSocketClient>>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Send` for `Arc<RwLock<HashMap<mio::Token, WebSocketClient>>>`
[INFO] [stdout] note: required because it appears within the type `WebSocketServerState`
[INFO] [stdout]    --> src/server.rs:15:12
[INFO] [stdout]     |
[INFO] [stdout] 15  | pub struct WebSocketServerState {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: required because it appears within the type `[closure@src/interface.rs:36:23: 48:10]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `RustChat`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d1a179ccbfad3ea2129ea044669994de8da90e2356b6bbf37324557cab1518a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a179ccbfad3ea2129ea044669994de8da90e2356b6bbf37324557cab1518a0", kill_on_drop: false }`
[INFO] [stdout] d1a179ccbfad3ea2129ea044669994de8da90e2356b6bbf37324557cab1518a0
