Nov 09 07:14:11.240 INFO checking pierrechevalier83/2048-rs against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 07:14:11.240 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-3/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +dc13be39fae8d4c607889b27de374b52586485a3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 09 07:14:11.756 INFO blam! c2c5d609855e39e2d8911492413a3a9494cb62dde6ba354acffc449ab744c904
Nov 09 07:14:11.760 INFO running `"docker" "start" "-a" "c2c5d609855e39e2d8911492413a3a9494cb62dde6ba354acffc449ab744c904"`
Nov 09 07:14:13.219 INFO kablam! usermod: no changes
Nov 09 07:14:13.383 INFO kablam!     Checking termion v1.2.0
Nov 09 07:14:13.391 INFO kablam!     Checking num-complex v0.1.36
Nov 09 07:14:13.391 INFO kablam!     Checking matrix_display v0.3.0
Nov 09 07:14:13.399 INFO kablam!     Checking num-bigint v0.1.36
Nov 09 07:14:16.009 INFO kablam!     Checking num-rational v0.1.36
Nov 09 07:14:16.603 INFO kablam!     Checking num v0.1.37
Nov 09 07:14:16.912 INFO kablam!     Checking game-2048 v0.5.1 (/source)
Nov 09 07:14:17.976 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 09 07:14:17.977 INFO kablam!   --> src/game.rs:69:9
Nov 09 07:14:17.978 INFO kablam!    |
Nov 09 07:14:17.979 INFO kablam! 69 | /         self.data
Nov 09 07:14:17.979 INFO kablam! 70 | |             .chunks_mut(4)
Nov 09 07:14:17.980 INFO kablam! 71 | |             .map(|row| {
Nov 09 07:14:17.981 INFO kablam! 72 | |                 let (new_row, new_score) = match dir {
Nov 09 07:14:17.981 INFO kablam! ...  |
Nov 09 07:14:17.982 INFO kablam! 87 | |             })
Nov 09 07:14:17.983 INFO kablam! 88 | |             .collect::<Vec<_>>();
Nov 09 07:14:17.983 INFO kablam!    | |_________________________________^
Nov 09 07:14:17.984 INFO kablam!    |
Nov 09 07:14:17.985 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 07:14:17.985 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 09 07:14:17.986 INFO kablam! 
Nov 09 07:14:18.187 INFO kablam! warning: unused return value of `std::iter::Iterator::collect` that must be used
Nov 09 07:14:18.187 INFO kablam!   --> src/game.rs:69:9
Nov 09 07:14:18.187 INFO kablam!    |
Nov 09 07:14:18.187 INFO kablam! 69 | /         self.data
Nov 09 07:14:18.187 INFO kablam! 70 | |             .chunks_mut(4)
Nov 09 07:14:18.187 INFO kablam! 71 | |             .map(|row| {
Nov 09 07:14:18.187 INFO kablam! 72 | |                 let (new_row, new_score) = match dir {
Nov 09 07:14:18.187 INFO kablam! ...  |
Nov 09 07:14:18.187 INFO kablam! 87 | |             })
Nov 09 07:14:18.187 INFO kablam! 88 | |             .collect::<Vec<_>>();
Nov 09 07:14:18.187 INFO kablam!    | |_________________________________^
Nov 09 07:14:18.187 INFO kablam!    |
Nov 09 07:14:18.187 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 09 07:14:18.187 INFO kablam!    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Nov 09 07:14:18.187 INFO kablam! 
Nov 09 07:14:18.247 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
Nov 09 07:14:18.261 INFO kablam! su: No module specific data is present
Nov 09 07:14:19.475 INFO running `"docker" "rm" "-f" "c2c5d609855e39e2d8911492413a3a9494cb62dde6ba354acffc449ab744c904"`
Nov 09 07:14:19.875 INFO blam! c2c5d609855e39e2d8911492413a3a9494cb62dde6ba354acffc449ab744c904