[INFO] updating cached repository https://github.com/h3nnn4n/smart-panda
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 80c2028a72173f94f2c731bef472bf5bb480b4c8
[INFO] checking h3nnn4n/smart-panda against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fsmart-panda" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/h3nnn4n/smart-panda on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/h3nnn4n/smart-panda
[INFO] finished tweaking git repo https://github.com/h3nnn4n/smart-panda
[INFO] tweaked toml for git repo https://github.com/h3nnn4n/smart-panda written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/h3nnn4n/smart-panda already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e046a3a680927866bc18b75b161517e4ede72ddd2d936f56a1a7342d37c45e37
[INFO] running `"docker" "start" "-a" "e046a3a680927866bc18b75b161517e4ede72ddd2d936f56a1a7342d37c45e37"`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.37
[INFO] [stderr]    Compiling wasm-bindgen v0.2.37
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling nom v4.2.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.37
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.37
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.37
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.31
[INFO] [stderr]     Checking js-sys v0.3.14
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.14
[INFO] [stderr]     Checking smart-panda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/board.rs:742:15
[INFO] [stderr]     |
[INFO] [stderr] 742 |         while { board.move_active_piece_down() } {}
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/board.rs:776:19
[INFO] [stderr]     |
[INFO] [stderr] 776 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/aggregate_height.rs:53:15
[INFO] [stderr]    |
[INFO] [stderr] 53 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/aggregate_height.rs:67:15
[INFO] [stderr]    |
[INFO] [stderr] 67 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/aggregate_height.rs:78:15
[INFO] [stderr]    |
[INFO] [stderr] 78 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/aggregate_height.rs:81:15
[INFO] [stderr]    |
[INFO] [stderr] 81 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/aggregate_height.rs:86:15
[INFO] [stderr]    |
[INFO] [stderr] 86 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/aggregate_height.rs:98:15
[INFO] [stderr]    |
[INFO] [stderr] 98 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/aggregate_height.rs:111:15
[INFO] [stderr]     |
[INFO] [stderr] 111 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/aggregate_height.rs:123:15
[INFO] [stderr]     |
[INFO] [stderr] 123 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/aggregate_height.rs:136:15
[INFO] [stderr]     |
[INFO] [stderr] 136 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/aggregate_height.rs:148:15
[INFO] [stderr]     |
[INFO] [stderr] 148 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/aggregate_height.rs:161:15
[INFO] [stderr]     |
[INFO] [stderr] 161 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/covered_cells.rs:88:15
[INFO] [stderr]    |
[INFO] [stderr] 88 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/covered_cells.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/covered_cells.rs:115:19
[INFO] [stderr]     |
[INFO] [stderr] 115 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/covered_cells.rs:129:19
[INFO] [stderr]     |
[INFO] [stderr] 129 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/delta_height.rs:58:15
[INFO] [stderr]    |
[INFO] [stderr] 58 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/delta_height.rs:72:15
[INFO] [stderr]    |
[INFO] [stderr] 72 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/delta_height.rs:85:15
[INFO] [stderr]    |
[INFO] [stderr] 85 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/number_of_holes.rs:65:15
[INFO] [stderr]    |
[INFO] [stderr] 65 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/number_of_holes.rs:78:15
[INFO] [stderr]    |
[INFO] [stderr] 78 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/surface_variance.rs:58:15
[INFO] [stderr]    |
[INFO] [stderr] 58 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/surface_variance.rs:72:15
[INFO] [stderr]    |
[INFO] [stderr] 72 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/surface_variance.rs:85:15
[INFO] [stderr]    |
[INFO] [stderr] 85 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/vertical_roughness.rs:73:15
[INFO] [stderr]    |
[INFO] [stderr] 73 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]   --> src/gamestate/feature_functions/vertical_roughness.rs:86:15
[INFO] [stderr]    |
[INFO] [stderr] 86 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around `while` condition
[INFO] [stderr]    --> src/gamestate/feature_functions/vertical_roughness.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 28 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `"docker" "inspect" "e046a3a680927866bc18b75b161517e4ede72ddd2d936f56a1a7342d37c45e37"`
[INFO] running `"docker" "rm" "-f" "e046a3a680927866bc18b75b161517e4ede72ddd2d936f56a1a7342d37c45e37"`
[INFO] [stdout] e046a3a680927866bc18b75b161517e4ede72ddd2d936f56a1a7342d37c45e37