[INFO] updating cached repository McGittyHub/chess-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/McGittyHub/chess-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/McGittyHub/chess-rs" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/McGittyHub/chess-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/McGittyHub/chess-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/McGittyHub/chess-rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/McGittyHub/chess-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/McGittyHub/chess-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d9105e6a690eb4e96a3880f9424708fc7f2aec7
[INFO] sha for GitHub repo McGittyHub/chess-rs: 0d9105e6a690eb4e96a3880f9424708fc7f2aec7
[INFO] validating manifest of McGittyHub/chess-rs on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of McGittyHub/chess-rs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing McGittyHub/chess-rs
[INFO] finished frobbing McGittyHub/chess-rs
[INFO] frobbed toml for McGittyHub/chess-rs written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/McGittyHub/chess-rs/Cargo.toml
[INFO] started frobbing McGittyHub/chess-rs
[INFO] finished frobbing McGittyHub/chess-rs
[INFO] frobbed toml for McGittyHub/chess-rs written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/McGittyHub/chess-rs/Cargo.toml
[INFO] crate McGittyHub/chess-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking McGittyHub/chess-rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/McGittyHub/chess-rs:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b6c4037fbeaa80397d0214c1608ef5a64a377d326e6a3be2f3648118f30a9ce0
[INFO] running `"docker" "start" "-a" "b6c4037fbeaa80397d0214c1608ef5a64a377d326e6a3be2f3648118f30a9ce0"`
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]     Checking mint v0.4.2
[INFO] [stderr]     Checking mint v0.2.0
[INFO] [stderr]     Checking spin v0.4.6
[INFO] [stderr]     Checking smallvec v0.5.0
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking alsa-sys v0.1.1
[INFO] [stderr]     Checking gfx_core v0.7.2
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[INFO] [stderr]     Checking x11-dl v2.16.0
[INFO] [stderr]     Checking rayon-core v1.3.0
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[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]     Checking cpal v0.4.6
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]    Compiling gltf-derive v0.9.3
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[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rayon v0.8.2
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[INFO] [stderr]    Compiling includedir_codegen v0.2.2
[INFO] [stderr]     Checking gltf-json v0.9.3
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[INFO] [stderr]     Checking libloading v0.3.4
[INFO] [stderr]    Compiling three v0.2.0 (https://github.com/three-rs/three.git#afddb1d3)
[INFO] [stderr]     Checking genmesh v0.5.0
[INFO] [stderr]     Checking rodio v0.5.2
[INFO] [stderr]     Checking dlib v0.3.1
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[INFO] [stderr]     Checking glutin v0.9.2
[INFO] [stderr]     Checking gfx v0.16.1
[INFO] [stderr]     Checking gfx_device_gl v0.14.4
[INFO] [stderr]     Checking gfx_window_glutin v0.17.0
[INFO] [stderr]     Checking gfx_glyph v0.3.3
[INFO] [stderr]     Checking chess-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/move_analyzer.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let sweeps: &mut [&mut Iterator<Item = Tile>] = &mut [
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Tile>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/backend/move_analyzer.rs:106:28
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let sweeps: &mut [&mut Iterator<Item = Tile>] = &mut [
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Tile>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `backend::piece::Piece`
[INFO] [stderr]  --> src/frontend/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use backend::piece::Piece;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_display_char`
[INFO] [stderr]   --> src/backend/board.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn to_display_char(piece: Piece) -> char {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_board`
[INFO] [stderr]   --> src/backend/board.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn print_board(&self) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/backend/move_analyzer.rs:37:28
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let sweeps: &mut [&mut Iterator<Item = Tile>] = &mut [
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Tile>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/backend/move_analyzer.rs:106:28
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let sweeps: &mut [&mut Iterator<Item = Tile>] = &mut [
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Tile>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `backend::piece::Piece`
[INFO] [stderr]  --> src/frontend/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use backend::piece::Piece;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_display_char`
[INFO] [stderr]   --> src/backend/board.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn to_display_char(piece: Piece) -> char {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_board`
[INFO] [stderr]   --> src/backend/board.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn print_board(&self) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `"docker" "inspect" "b6c4037fbeaa80397d0214c1608ef5a64a377d326e6a3be2f3648118f30a9ce0"`
[INFO] running `"docker" "rm" "-f" "b6c4037fbeaa80397d0214c1608ef5a64a377d326e6a3be2f3648118f30a9ce0"`
[INFO] [stdout] b6c4037fbeaa80397d0214c1608ef5a64a377d326e6a3be2f3648118f30a9ce0