[INFO] updating cached repository thjwhite/rust_playing [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/thjwhite/rust_playing [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/thjwhite/rust_playing" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/thjwhite/rust_playing"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/thjwhite/rust_playing'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/thjwhite/rust_playing" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/thjwhite/rust_playing"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/thjwhite/rust_playing'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1e2bd18631ec2ac6ccfd4e0e9df811bf8065a3d1 [INFO] sha for GitHub repo thjwhite/rust_playing: 1e2bd18631ec2ac6ccfd4e0e9df811bf8065a3d1 [INFO] validating manifest of thjwhite/rust_playing on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of thjwhite/rust_playing on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing thjwhite/rust_playing [INFO] finished frobbing thjwhite/rust_playing [INFO] frobbed toml for thjwhite/rust_playing written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/thjwhite/rust_playing/Cargo.toml [INFO] started frobbing thjwhite/rust_playing [INFO] finished frobbing thjwhite/rust_playing [INFO] frobbed toml for thjwhite/rust_playing written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/thjwhite/rust_playing/Cargo.toml [INFO] crate thjwhite/rust_playing already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/thjwhite/rust_playing/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking thjwhite/rust_playing against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/thjwhite/rust_playing:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6bf81a112808cd7d5922e42b3bd87a412014481a71f750993e8a20f8959524cb [INFO] running `"docker" "start" "-a" "6bf81a112808cd7d5922e42b3bd87a412014481a71f750993e8a20f8959524cb"` [INFO] [stderr] Checking bytes v0.3.0 [INFO] [stderr] Checking slab v0.1.3 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking memrustd v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `event_loop` [INFO] [stderr] --> src/main.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | event_loop: &mut mio::EventLoop) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_event_loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_loop` [INFO] [stderr] --> src/main.rs:72:24 [INFO] [stderr] | [INFO] [stderr] 72 | event_loop: &mut mio::EventLoop) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_event_loop` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_loop` [INFO] [stderr] --> src/main.rs:45:24 [INFO] [stderr] | [INFO] [stderr] 45 | event_loop: &mut mio::EventLoop) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_event_loop` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_loop` [INFO] [stderr] --> src/main.rs:72:24 [INFO] [stderr] | [INFO] [stderr] 72 | event_loop: &mut mio::EventLoop) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_event_loop` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LruEntry` [INFO] [stderr] --> src/lru.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | struct LruEntry { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LruCache` [INFO] [stderr] --> src/lru.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | struct LruCache { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lru.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | fn new() -> LruCache { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/lru.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | fn get(&mut self, key: String) -> Result>>, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/lru.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn insert(&mut self, key: String, data: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `close_gap` [INFO] [stderr] --> src/lru.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | fn close_gap(&mut self, entry: Arc>>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/lru.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | fn remove(&mut self, key: String) -> Result>>, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `interest` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | interest: mio::EventSet, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | self.out_buf.write_all(self.in_buf.get_ref()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:191:21 [INFO] [stderr] | [INFO] [stderr] 191 | event_loop.deregister(&conn.socket); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:233:21 [INFO] [stderr] | [INFO] [stderr] 233 | self.connections[event_token].handle_readable(event_loop); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:238:21 [INFO] [stderr] | [INFO] [stderr] 238 | self.connections[event_token].handle_writable(event_loop); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:250:5 [INFO] [stderr] | [INFO] [stderr] 250 | event_loop.register(&server, SERVER, mio::EventSet::readable(), mio::PollOpt::edge()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:253:5 [INFO] [stderr] | [INFO] [stderr] 253 | event_loop.run(&mut Server::new(server)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LruEntry` [INFO] [stderr] --> src/lru.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | struct LruEntry { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `LruCache` [INFO] [stderr] --> src/lru.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | struct LruCache { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lru.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | fn new() -> LruCache { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/lru.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | fn get(&mut self, key: String) -> Result>>, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/lru.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn insert(&mut self, key: String, data: T) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `close_gap` [INFO] [stderr] --> src/lru.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | fn close_gap(&mut self, entry: Arc>>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/lru.rs:127:5 [INFO] [stderr] | [INFO] [stderr] 127 | fn remove(&mut self, key: String) -> Result>>, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `interest` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | interest: mio::EventSet, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:59:21 [INFO] [stderr] | [INFO] [stderr] 59 | self.out_buf.write_all(self.in_buf.get_ref()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:191:21 [INFO] [stderr] | [INFO] [stderr] 191 | event_loop.deregister(&conn.socket); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:233:21 [INFO] [stderr] | [INFO] [stderr] 233 | self.connections[event_token].handle_readable(event_loop); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:238:21 [INFO] [stderr] | [INFO] [stderr] 238 | self.connections[event_token].handle_writable(event_loop); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:250:5 [INFO] [stderr] | [INFO] [stderr] 250 | event_loop.register(&server, SERVER, mio::EventSet::readable(), mio::PollOpt::edge()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:253:5 [INFO] [stderr] | [INFO] [stderr] 253 | event_loop.run(&mut Server::new(server)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.94s [INFO] running `"docker" "inspect" "6bf81a112808cd7d5922e42b3bd87a412014481a71f750993e8a20f8959524cb"` [INFO] running `"docker" "rm" "-f" "6bf81a112808cd7d5922e42b3bd87a412014481a71f750993e8a20f8959524cb"` [INFO] [stdout] 6bf81a112808cd7d5922e42b3bd87a412014481a71f750993e8a20f8959524cb