[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/beta-1.37-6/sources/1.36.0/gh/bartwojcik/vulkano-matmul"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bartwojcik/vulkano-matmul'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bartwojcik/vulkano-matmul" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bartwojcik/vulkano-matmul"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bartwojcik/vulkano-matmul on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bartwojcik/vulkano-matmul against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 76d05e67a6b25ecef10369800437fd2b8d14c379970bace17e2c9d9b94cb4b31
[INFO] running `"docker" "start" "-a" "76d05e67a6b25ecef10369800437fd2b8d14c379970bace17e2c9d9b94cb4b31"`
[INFO] [stderr]    Compiling vulkano v0.7.1
[INFO] [stderr]    Compiling vk-sys v0.3.1
[INFO] [stderr]    Compiling crossbeam v0.3.0
[INFO] [stderr]    Compiling smallvec v0.4.3
[INFO] [stderr]    Compiling half v1.0.1
[INFO] [stderr]    Compiling cmake v0.1.25
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling shared_library v0.1.7
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.3
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling vulkano-shaders v0.7.1
[INFO] [stderr]    Compiling vulkano-shader-derive v0.7.1
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `"docker" "inspect" "76d05e67a6b25ecef10369800437fd2b8d14c379970bace17e2c9d9b94cb4b31"`
[INFO] running `"docker" "rm" "-f" "76d05e67a6b25ecef10369800437fd2b8d14c379970bace17e2c9d9b94cb4b31"`
[INFO] [stdout] 76d05e67a6b25ecef10369800437fd2b8d14c379970bace17e2c9d9b94cb4b31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 49a95d4bf2afc95ef05103280b41102e61805f37fb96f79ec749774d92f1857a
[INFO] running `"docker" "start" "-a" "49a95d4bf2afc95ef05103280b41102e61805f37fb96f79ec749774d92f1857a"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "49a95d4bf2afc95ef05103280b41102e61805f37fb96f79ec749774d92f1857a"`
[INFO] running `"docker" "rm" "-f" "49a95d4bf2afc95ef05103280b41102e61805f37fb96f79ec749774d92f1857a"`
[INFO] [stdout] 49a95d4bf2afc95ef05103280b41102e61805f37fb96f79ec749774d92f1857a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] eb1ffb7e02a5e34314140a229ac4256bcfd1dac8a166a29697d75633e787e769
[INFO] running `"docker" "start" "-a" "eb1ffb7e02a5e34314140a229ac4256bcfd1dac8a166a29697d75633e787e769"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vulkano_matmul-b083072833e37344
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eb1ffb7e02a5e34314140a229ac4256bcfd1dac8a166a29697d75633e787e769"`
[INFO] running `"docker" "rm" "-f" "eb1ffb7e02a5e34314140a229ac4256bcfd1dac8a166a29697d75633e787e769"`
[INFO] [stdout] eb1ffb7e02a5e34314140a229ac4256bcfd1dac8a166a29697d75633e787e769