[INFO] updating cached repository bartwojcik/vulkano-matmul
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bartwojcik/vulkano-matmul
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bartwojcik/vulkano-matmul" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/bartwojcik/vulkano-matmul"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/bartwojcik/vulkano-matmul'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bartwojcik/vulkano-matmul" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/bartwojcik/vulkano-matmul"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/bartwojcik/vulkano-matmul'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a3295c1e8cee087febdb87fb06f3b296209cb5dd
[INFO] sha for GitHub repo bartwojcik/vulkano-matmul: a3295c1e8cee087febdb87fb06f3b296209cb5dd
[INFO] validating manifest of bartwojcik/vulkano-matmul on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bartwojcik/vulkano-matmul on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bartwojcik/vulkano-matmul
[INFO] finished frobbing bartwojcik/vulkano-matmul
[INFO] frobbed toml for bartwojcik/vulkano-matmul written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/bartwojcik/vulkano-matmul/Cargo.toml
[INFO] started frobbing bartwojcik/vulkano-matmul
[INFO] finished frobbing bartwojcik/vulkano-matmul
[INFO] frobbed toml for bartwojcik/vulkano-matmul written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/bartwojcik/vulkano-matmul/Cargo.toml
[INFO] crate bartwojcik/vulkano-matmul already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bartwojcik/vulkano-matmul against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-5/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/bartwojcik/vulkano-matmul:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 55843cced0490b5461b7ca730128f097f93cb337aadcf30109235f4830f5a428
[INFO] running `"docker" "start" "-a" "55843cced0490b5461b7ca730128f097f93cb337aadcf30109235f4830f5a428"`
[INFO] [stderr]    Compiling vulkano v0.7.1
[INFO] [stderr]    Compiling cmake v0.1.25
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.3
[INFO] [stderr]    Compiling vulkano-shaders v0.7.1
[INFO] [stderr]    Compiling vulkano-shader-derive v0.7.1
[INFO] [stderr]     Checking vulkano_matmul v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let mut c = [0f32; N * M];
[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: struct is never constructed: `Dummy`
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     struct Dummy;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let mut c = [0f32; N * M];
[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: struct is never constructed: `Dummy`
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     struct Dummy;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `"docker" "inspect" "55843cced0490b5461b7ca730128f097f93cb337aadcf30109235f4830f5a428"`
[INFO] running `"docker" "rm" "-f" "55843cced0490b5461b7ca730128f097f93cb337aadcf30109235f4830f5a428"`
[INFO] [stdout] 55843cced0490b5461b7ca730128f097f93cb337aadcf30109235f4830f5a428