[INFO] updating cached repository patrickgombert/tetris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/patrickgombert/tetris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/patrickgombert/tetris" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/patrickgombert/tetris"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/patrickgombert/tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/patrickgombert/tetris" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/patrickgombert/tetris"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/patrickgombert/tetris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba13d36550580bf7876f37d3632da77aeaa2b1fb
[INFO] sha for GitHub repo patrickgombert/tetris: ba13d36550580bf7876f37d3632da77aeaa2b1fb
[INFO] validating manifest of patrickgombert/tetris on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of patrickgombert/tetris on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing patrickgombert/tetris
[INFO] finished frobbing patrickgombert/tetris
[INFO] frobbed toml for patrickgombert/tetris written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/patrickgombert/tetris/Cargo.toml
[INFO] started frobbing patrickgombert/tetris
[INFO] finished frobbing patrickgombert/tetris
[INFO] frobbed toml for patrickgombert/tetris written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/patrickgombert/tetris/Cargo.toml
[INFO] crate patrickgombert/tetris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking patrickgombert/tetris against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/patrickgombert/tetris:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3d6025133e06f4384671ec96c04b3c3bd1c34ad653f4ad8bf1c3b83d3fed72dc
[INFO] running `"docker" "start" "-a" "3d6025133e06f4384671ec96c04b3c3bd1c34ad653f4ad8bf1c3b83d3fed72dc"`
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stderr]     Checking rand v0.6.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling derivative v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_glyph v0.10.2
[INFO] [stderr]     Checking gfx_window_sdl v0.8.0
[INFO] [stderr]     Checking ggez v0.4.4
[INFO] [stderr]     Checking tetris v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tetris/grid.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let mut dead_lines: Vec<&i8> = line_counts
[INFO] [stderr]    |                 ----^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tetris/grid.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let mut dead_lines: Vec<&i8> = line_counts
[INFO] [stderr]    |                 ----^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `"docker" "inspect" "3d6025133e06f4384671ec96c04b3c3bd1c34ad653f4ad8bf1c3b83d3fed72dc"`
[INFO] running `"docker" "rm" "-f" "3d6025133e06f4384671ec96c04b3c3bd1c34ad653f4ad8bf1c3b83d3fed72dc"`
[INFO] [stdout] 3d6025133e06f4384671ec96c04b3c3bd1c34ad653f4ad8bf1c3b83d3fed72dc