[INFO] updating cached repository south37/rust-websocket-connection [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/south37/rust-websocket-connection [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/south37/rust-websocket-connection" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/south37/rust-websocket-connection"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/south37/rust-websocket-connection'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/south37/rust-websocket-connection" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/south37/rust-websocket-connection"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/south37/rust-websocket-connection'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] dd9a253e1e9fbdd3d2b6d5b722f69be66f295f90 [INFO] sha for GitHub repo south37/rust-websocket-connection: dd9a253e1e9fbdd3d2b6d5b722f69be66f295f90 [INFO] validating manifest of south37/rust-websocket-connection on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of south37/rust-websocket-connection on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing south37/rust-websocket-connection [INFO] finished frobbing south37/rust-websocket-connection [INFO] frobbed toml for south37/rust-websocket-connection written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/south37/rust-websocket-connection/Cargo.toml [INFO] started frobbing south37/rust-websocket-connection [INFO] finished frobbing south37/rust-websocket-connection [INFO] frobbed toml for south37/rust-websocket-connection written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/south37/rust-websocket-connection/Cargo.toml [INFO] crate south37/rust-websocket-connection already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/south37/rust-websocket-connection/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking south37/rust-websocket-connection against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/south37/rust-websocket-connection:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a3041d5045168977f48ab7a22813af2a371dee8a4220f11c0b2c869927890a81 [INFO] running `"docker" "start" "-a" "a3041d5045168977f48ab7a22813af2a371dee8a4220f11c0b2c869927890a81"` [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Checking sha1 v0.1.1 [INFO] [stderr] Checking mio v0.7.0 (https://github.com/carllerche/mio#51e1c458) [INFO] [stderr] Checking chat v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved imports `mio::TryRead`, `mio::TryWrite` [INFO] [stderr] --> src/main.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use mio::{TryRead, TryWrite}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ no `TryWrite` in the root [INFO] [stderr] | | [INFO] [stderr] | no `TryRead` in the root [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `tcp` in `mio` [INFO] [stderr] --> src/main.rs:51:18 [INFO] [stderr] | [INFO] [stderr] 51 | socket: mio::tcp::TcpStream, [INFO] [stderr] | ^^^ could not find `tcp` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `mio::TryRead`, `mio::TryWrite` [INFO] [stderr] --> src/main.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use mio::{TryRead, TryWrite}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ no `TryWrite` in the root [INFO] [stderr] | | [INFO] [stderr] | no `TryRead` in the root [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `tcp` in `mio` [INFO] [stderr] --> src/main.rs:51:18 [INFO] [stderr] | [INFO] [stderr] 51 | socket: mio::tcp::TcpStream, [INFO] [stderr] | ^^^ could not find `tcp` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:76:51 [INFO] [stderr] | [INFO] [stderr] 76 | self.interest.remove(mio::EventSet::readable()); [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:77:51 [INFO] [stderr] | [INFO] [stderr] 77 | self.interest.insert(mio::EventSet::writable()); [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:95:35 [INFO] [stderr] | [INFO] [stderr] 95 | self.interest.remove(mio::EventSet::writable()); [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:96:35 [INFO] [stderr] | [INFO] [stderr] 96 | self.interest.insert(mio::EventSet::readable()); [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `tcp` in `mio` [INFO] [stderr] --> src/main.rs:99:25 [INFO] [stderr] | [INFO] [stderr] 99 | fn new(socket: mio::tcp::TcpStream) -> WebSocketClient { [INFO] [stderr] | ^^^ could not find `tcp` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:110:28 [INFO] [stderr] | [INFO] [stderr] 110 | interest: mio::EventSet::readable(), [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `tcp` in `mio` [INFO] [stderr] --> src/main.rs:117:18 [INFO] [stderr] | [INFO] [stderr] 117 | socket: mio::tcp::TcpListener, [INFO] [stderr] | ^^^ could not find `tcp` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:149:46 [INFO] [stderr] | [INFO] [stderr] 149 | mio::EventSet::readable(), [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:76:51 [INFO] [stderr] | [INFO] [stderr] 76 | self.interest.remove(mio::EventSet::readable()); [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:77:51 [INFO] [stderr] | [INFO] [stderr] 77 | self.interest.insert(mio::EventSet::writable()); [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:95:35 [INFO] [stderr] | [INFO] [stderr] 95 | self.interest.remove(mio::EventSet::writable()); [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:96:35 [INFO] [stderr] | [INFO] [stderr] 96 | self.interest.insert(mio::EventSet::readable()); [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `tcp` in `mio` [INFO] [stderr] --> src/main.rs:99:25 [INFO] [stderr] | [INFO] [stderr] 99 | fn new(socket: mio::tcp::TcpStream) -> WebSocketClient { [INFO] [stderr] | ^^^ could not find `tcp` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:110:28 [INFO] [stderr] | [INFO] [stderr] 110 | interest: mio::EventSet::readable(), [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `tcp` in `mio` [INFO] [stderr] --> src/main.rs:117:18 [INFO] [stderr] | [INFO] [stderr] 117 | socket: mio::tcp::TcpListener, [INFO] [stderr] | ^^^ could not find `tcp` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:149:46 [INFO] [stderr] | [INFO] [stderr] 149 | mio::EventSet::readable(), [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:150:46 [INFO] [stderr] | [INFO] [stderr] 150 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:150:69 [INFO] [stderr] | [INFO] [stderr] 150 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:159:46 [INFO] [stderr] | [INFO] [stderr] 159 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:159:69 [INFO] [stderr] | [INFO] [stderr] 159 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:171:40 [INFO] [stderr] | [INFO] [stderr] 171 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:171:63 [INFO] [stderr] | [INFO] [stderr] 171 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventLoop` in `mio` [INFO] [stderr] --> src/main.rs:178:31 [INFO] [stderr] | [INFO] [stderr] 178 | let mut event_loop = mio::EventLoop::new().unwrap(); [INFO] [stderr] | ^^^^^^^^^ could not find `EventLoop` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `tcp` in `mio` [INFO] [stderr] --> src/main.rs:181:30 [INFO] [stderr] | [INFO] [stderr] 181 | let server_socket = mio::tcp::TcpListener::bind(&address).unwrap(); [INFO] [stderr] | ^^^ could not find `tcp` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:191:21 [INFO] [stderr] | [INFO] [stderr] 191 | mio::EventSet::readable(), [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:192:21 [INFO] [stderr] | [INFO] [stderr] 192 | mio::PollOpt::edge()).unwrap(); [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `EventSet` in crate `mio` [INFO] [stderr] --> src/main.rs:55:20 [INFO] [stderr] | [INFO] [stderr] 55 | interest: mio::EventSet, [INFO] [stderr] | ^^^^^^^^ not found in `mio` [INFO] [stderr] [INFO] [stderr] error[E0405]: cannot find trait `Handler` in crate `mio` [INFO] [stderr] --> src/main.rs:124:11 [INFO] [stderr] | [INFO] [stderr] 124 | impl mio::Handler for WebSocketServer { [INFO] [stderr] | ^^^^^^^ not found in `mio` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `EventLoop` in crate `mio` [INFO] [stderr] --> src/main.rs:128:47 [INFO] [stderr] | [INFO] [stderr] 128 | fn ready(&mut self, event_loop: &mut mio::EventLoop, [INFO] [stderr] | ^^^^^^^^^ not found in `mio` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `EventSet` in crate `mio` [INFO] [stderr] --> src/main.rs:129:46 [INFO] [stderr] | [INFO] [stderr] 129 | token: mio::Token, events: mio::EventSet) [INFO] [stderr] | ^^^^^^^^ not found in `mio` [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:150:46 [INFO] [stderr] | [INFO] [stderr] 150 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:150:69 [INFO] [stderr] | [INFO] [stderr] 150 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:159:46 [INFO] [stderr] | [INFO] [stderr] 159 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:159:69 [INFO] [stderr] | [INFO] [stderr] 159 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:171:40 [INFO] [stderr] | [INFO] [stderr] 171 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:171:63 [INFO] [stderr] | [INFO] [stderr] 171 | mio::PollOpt::edge() | mio::PollOpt::oneshot() [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventLoop` in `mio` [INFO] [stderr] --> src/main.rs:178:31 [INFO] [stderr] | [INFO] [stderr] 178 | let mut event_loop = mio::EventLoop::new().unwrap(); [INFO] [stderr] | ^^^^^^^^^ could not find `EventLoop` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `tcp` in `mio` [INFO] [stderr] --> src/main.rs:181:30 [INFO] [stderr] | [INFO] [stderr] 181 | let server_socket = mio::tcp::TcpListener::bind(&address).unwrap(); [INFO] [stderr] | ^^^ could not find `tcp` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `EventSet` in `mio` [INFO] [stderr] --> src/main.rs:191:21 [INFO] [stderr] | [INFO] [stderr] 191 | mio::EventSet::readable(), [INFO] [stderr] | ^^^^^^^^ could not find `EventSet` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0433]: failed to resolve: could not find `PollOpt` in `mio` [INFO] [stderr] --> src/main.rs:192:21 [INFO] [stderr] | [INFO] [stderr] 192 | mio::PollOpt::edge()).unwrap(); [INFO] [stderr] | ^^^^^^^ could not find `PollOpt` in `mio` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `EventSet` in crate `mio` [INFO] [stderr] --> src/main.rs:55:20 [INFO] [stderr] | [INFO] [stderr] 55 | interest: mio::EventSet, [INFO] [stderr] | ^^^^^^^^ not found in `mio` [INFO] [stderr] [INFO] [stderr] error[E0405]: cannot find trait `Handler` in crate `mio` [INFO] [stderr] --> src/main.rs:124:11 [INFO] [stderr] | [INFO] [stderr] 124 | impl mio::Handler for WebSocketServer { [INFO] [stderr] | ^^^^^^^ not found in `mio` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `EventLoop` in crate `mio` [INFO] [stderr] --> src/main.rs:128:47 [INFO] [stderr] | [INFO] [stderr] 128 | fn ready(&mut self, event_loop: &mut mio::EventLoop, [INFO] [stderr] | ^^^^^^^^^ not found in `mio` [INFO] [stderr] [INFO] [stderr] error[E0412]: cannot find type `EventSet` in crate `mio` [INFO] [stderr] --> src/main.rs:129:46 [INFO] [stderr] | [INFO] [stderr] 129 | token: mio::Token, events: mio::EventSet) [INFO] [stderr] | ^^^^^^^^ not found in `mio` [INFO] [stderr] [INFO] [stderr] error: aborting due to 24 previous errors [INFO] [stderr] error: aborting due to 24 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0405, E0412, E0432, E0433. [INFO] [stderr] [INFO] [stderr] For more information about an error, try `rustc --explain E0405`. [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] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `chat`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "a3041d5045168977f48ab7a22813af2a371dee8a4220f11c0b2c869927890a81"` [INFO] running `"docker" "rm" "-f" "a3041d5045168977f48ab7a22813af2a371dee8a4220f11c0b2c869927890a81"` [INFO] [stdout] a3041d5045168977f48ab7a22813af2a371dee8a4220f11c0b2c869927890a81