[INFO] fetching crate matrixmultiply 0.3.1...
[INFO] testing matrixmultiply-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate matrixmultiply 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate matrixmultiply 0.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrixmultiply 0.3.1
[INFO] finished tweaking crates.io crate matrixmultiply 0.3.1
[INFO] tweaked toml for crates.io crate matrixmultiply 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate matrixmultiply 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-tree v0.3.2
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf7aed1aa3c251ad2e217051cee91ba197c154a633758370510b27a419d8ae3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bbf7aed1aa3c251ad2e217051cee91ba197c154a633758370510b27a419d8ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf7aed1aa3c251ad2e217051cee91ba197c154a633758370510b27a419d8ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf7aed1aa3c251ad2e217051cee91ba197c154a633758370510b27a419d8ae3", kill_on_drop: false }`
[INFO] [stdout] bbf7aed1aa3c251ad2e217051cee91ba197c154a633758370510b27a419d8ae3
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c5fb18d8b2ad0cc07abd27a9c068be9f9ef7594c2789c1383081c1e58de0b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "77c5fb18d8b2ad0cc07abd27a9c068be9f9ef7594c2789c1383081c1e58de0b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrixmultiply v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "77c5fb18d8b2ad0cc07abd27a9c068be9f9ef7594c2789c1383081c1e58de0b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c5fb18d8b2ad0cc07abd27a9c068be9f9ef7594c2789c1383081c1e58de0b4", kill_on_drop: false }`
[INFO] [stdout] 77c5fb18d8b2ad0cc07abd27a9c068be9f9ef7594c2789c1383081c1e58de0b4
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52adab736615cc42873daac8ef0f1ca5e7e2c1256ac883f34fdb44a93e0f1900
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "52adab736615cc42873daac8ef0f1ca5e7e2c1256ac883f34fdb44a93e0f1900", kill_on_drop: false }`
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling matrixmultiply v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "52adab736615cc42873daac8ef0f1ca5e7e2c1256ac883f34fdb44a93e0f1900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52adab736615cc42873daac8ef0f1ca5e7e2c1256ac883f34fdb44a93e0f1900", kill_on_drop: false }`
[INFO] [stdout] 52adab736615cc42873daac8ef0f1ca5e7e2c1256ac883f34fdb44a93e0f1900
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17686466f673139f31f589800031787905bdfecdd2fe174d1d23292b7e0455a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17686466f673139f31f589800031787905bdfecdd2fe174d1d23292b7e0455a8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrixmultiply-19983c8dfab43022)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test dgemm_kernel::tests::test_loop_m_n ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::fma ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_kernel_fallback_impl ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_arch_kernels::fma ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_arch_kernels::ensure_target_features_tested ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_arch_kernels::sse2 ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::sse2 ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_kernel_fallback_impl ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_arch_kernels::avx ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::avx ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_loop_m_n ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sgemm.rs (/opt/rustwide/target/debug/deps/sgemm-19e8b964420ebead)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_sgemm ... ok
[INFO] [stdout] test test_dgemm ... ok
[INFO] [stdout] test test_sgemm_strides ... ok
[INFO] [stderr]    Doc-tests matrixmultiply
[INFO] [stdout] test test_dgemm_strides ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17686466f673139f31f589800031787905bdfecdd2fe174d1d23292b7e0455a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17686466f673139f31f589800031787905bdfecdd2fe174d1d23292b7e0455a8", kill_on_drop: false }`
[INFO] [stdout] 17686466f673139f31f589800031787905bdfecdd2fe174d1d23292b7e0455a8