[INFO] updating cached repository AvraamMavridis/rust-checkers
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AvraamMavridis/rust-checkers
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AvraamMavridis/rust-checkers" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AvraamMavridis/rust-checkers"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AvraamMavridis/rust-checkers'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AvraamMavridis/rust-checkers" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AvraamMavridis/rust-checkers"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AvraamMavridis/rust-checkers'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 442ffe2920d808eb8baac36778000ed0922d69b9
[INFO] sha for GitHub repo AvraamMavridis/rust-checkers: 442ffe2920d808eb8baac36778000ed0922d69b9
[INFO] validating manifest of AvraamMavridis/rust-checkers 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 AvraamMavridis/rust-checkers 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 AvraamMavridis/rust-checkers
[INFO] finished frobbing AvraamMavridis/rust-checkers
[INFO] frobbed toml for AvraamMavridis/rust-checkers written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AvraamMavridis/rust-checkers/Cargo.toml
[INFO] started frobbing AvraamMavridis/rust-checkers
[INFO] finished frobbing AvraamMavridis/rust-checkers
[INFO] frobbed toml for AvraamMavridis/rust-checkers written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AvraamMavridis/rust-checkers/Cargo.toml
[INFO] crate AvraamMavridis/rust-checkers 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking AvraamMavridis/rust-checkers against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AvraamMavridis/rust-checkers:/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] fd0b4f431965c9971cd79cf83205371ec1ad3472e19b6c15bb3b708ec37eaa82
[INFO] running `"docker" "start" "-a" "fd0b4f431965c9971cd79cf83205371ec1ad3472e19b6c15bb3b708ec37eaa82"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.29
[INFO] [stderr]    Compiling wasm-bindgen v0.2.29
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.29
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.29
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.23
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.29
[INFO] [stderr]     Checking js-sys v0.3.6
[INFO] [stderr]    Compiling web-sys v0.3.6
[INFO] [stderr]     Checking rustycheckers v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stderr]  --> src/gamecanvas.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use wasm_bindgen::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::Clamped`
[INFO] [stderr]  --> src/gamecanvas.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use wasm_bindgen::Clamped;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `web_sys::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use web_sys::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stderr]  --> src/gamecanvas.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use wasm_bindgen::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::Clamped`
[INFO] [stderr]  --> src/gamecanvas.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use wasm_bindgen::Clamped;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `web_sys::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use web_sys::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `black_y_pos` is never read
[INFO] [stderr]   --> src/gameengine.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut black_y_pos = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `white_y_pos` is never read
[INFO] [stderr]   --> src/gameengine.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut white_y_pos = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `black_y_pos` is never read
[INFO] [stderr]   --> src/gameengine.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let mut black_y_pos = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `white_y_pos` is never read
[INFO] [stderr]   --> src/gameengine.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut white_y_pos = 0;
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "fd0b4f431965c9971cd79cf83205371ec1ad3472e19b6c15bb3b708ec37eaa82"`
[INFO] running `"docker" "rm" "-f" "fd0b4f431965c9971cd79cf83205371ec1ad3472e19b6c15bb3b708ec37eaa82"`
[INFO] [stdout] fd0b4f431965c9971cd79cf83205371ec1ad3472e19b6c15bb3b708ec37eaa82