[INFO] updating cached repository levkk/rust-chess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/levkk/rust-chess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/levkk/rust-chess" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/levkk/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/levkk/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/levkk/rust-chess" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/levkk/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/levkk/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d7e98a6431b6055577180cea95812dc309d90ade
[INFO] sha for GitHub repo levkk/rust-chess: d7e98a6431b6055577180cea95812dc309d90ade
[INFO] validating manifest of levkk/rust-chess on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of levkk/rust-chess on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing levkk/rust-chess
[INFO] finished frobbing levkk/rust-chess
[INFO] frobbed toml for levkk/rust-chess written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/levkk/rust-chess/Cargo.toml
[INFO] started frobbing levkk/rust-chess
[INFO] finished frobbing levkk/rust-chess
[INFO] frobbed toml for levkk/rust-chess written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/levkk/rust-chess/Cargo.toml
[INFO] crate levkk/rust-chess has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking levkk/rust-chess against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-4/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/levkk/rust-chess:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 969000b8de73f77cc7d5465ce77e570cfb66133768f16449f9490163009dc579
[INFO] running `"docker" "start" "-a" "969000b8de73f77cc7d5465ce77e570cfb66133768f16449f9490163009dc579"`
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling syn v0.15.8
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking reqwest v0.9.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking glfw v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking rust_chess v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `collections`
[INFO] [stderr]  --> src/connection.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{net, thread, time, collections};
[INFO] [stderr]   |                              ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/board.rs:507:7
[INFO] [stderr]     |
[INFO] [stderr] 507 |   use super::*;
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections`
[INFO] [stderr]  --> src/connection.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{net, thread, time, collections};
[INFO] [stderr]   |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel`
[INFO] [stderr]   --> src/gui.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 | use std::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/models/piece.rs:171:7
[INFO] [stderr]     |
[INFO] [stderr] 171 |   use super::*;
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mesh`
[INFO] [stderr]   --> src/model_loader.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mesh = &m.mesh;
[INFO] [stderr]    |         ^^^^ help: consider using `_mesh` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RETRY_ATTEMPTS_HTTP`
[INFO] [stderr]   --> src/connection.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const RETRY_ATTEMPTS_HTTP: i32 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `zoom`
[INFO] [stderr]   --> src/camera.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   zoom: f32,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/board.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     write!(f, "{}", color);
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         board_sender.send(self.board.clone());
[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/connection.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     self.client.delete(&format!("{}/clients/{}", self.endpoint, self.name)).send();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mesh`
[INFO] [stderr]   --> src/model_loader.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mesh = &m.mesh;
[INFO] [stderr]    |         ^^^^ help: consider using `_mesh` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RETRY_ATTEMPTS_HTTP`
[INFO] [stderr]   --> src/connection.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const RETRY_ATTEMPTS_HTTP: i32 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `zoom`
[INFO] [stderr]   --> src/camera.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   zoom: f32,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/board.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     write!(f, "{}", color);
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         board_sender.send(self.board.clone());
[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/connection.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     self.client.delete(&format!("{}/clients/{}", self.endpoint, self.name)).send();
[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 38.63s
[INFO] running `"docker" "inspect" "969000b8de73f77cc7d5465ce77e570cfb66133768f16449f9490163009dc579"`
[INFO] running `"docker" "rm" "-f" "969000b8de73f77cc7d5465ce77e570cfb66133768f16449f9490163009dc579"`
[INFO] [stdout] 969000b8de73f77cc7d5465ce77e570cfb66133768f16449f9490163009dc579