[INFO] fetching crate matrixmultiply 0.3.1...
[INFO] testing matrixmultiply-0.3.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate matrixmultiply 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate matrixmultiply 0.3.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96e6bc358e3ce13db946b87e2434c4e81fd5c28f9e375217be08327a2ace8260
[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" "96e6bc358e3ce13db946b87e2434c4e81fd5c28f9e375217be08327a2ace8260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96e6bc358e3ce13db946b87e2434c4e81fd5c28f9e375217be08327a2ace8260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e6bc358e3ce13db946b87e2434c4e81fd5c28f9e375217be08327a2ace8260", kill_on_drop: false }`
[INFO] [stdout] 96e6bc358e3ce13db946b87e2434c4e81fd5c28f9e375217be08327a2ace8260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03d3e6d30363261da96107e083a4284750b8d1fa7c196befe459240097f89a20
[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" "03d3e6d30363261da96107e083a4284750b8d1fa7c196befe459240097f89a20", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "03d3e6d30363261da96107e083a4284750b8d1fa7c196befe459240097f89a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d3e6d30363261da96107e083a4284750b8d1fa7c196befe459240097f89a20", kill_on_drop: false }`
[INFO] [stdout] 03d3e6d30363261da96107e083a4284750b8d1fa7c196befe459240097f89a20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ceed01ba2f6315d4accac78bb02500c6e498f4ed99ec9ac6351881aa756e590
[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" "9ceed01ba2f6315d4accac78bb02500c6e498f4ed99ec9ac6351881aa756e590", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "9ceed01ba2f6315d4accac78bb02500c6e498f4ed99ec9ac6351881aa756e590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ceed01ba2f6315d4accac78bb02500c6e498f4ed99ec9ac6351881aa756e590", kill_on_drop: false }`
[INFO] [stdout] 9ceed01ba2f6315d4accac78bb02500c6e498f4ed99ec9ac6351881aa756e590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67c5db3f1141853cdd7789c2f122f84a9845ef79a55181788b2d066e61999dfc
[INFO] running `Command { std: "docker" "start" "-a" "67c5db3f1141853cdd7789c2f122f84a9845ef79a55181788b2d066e61999dfc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrixmultiply-a16b39a23e4676c7)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test sgemm_kernel::tests::test_kernel_fallback_impl ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_loop_m_n ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_arch_kernels::sse2 ... 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::avx ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::fma ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::avx ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_kernel_fallback_impl ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_loop_m_n ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::sse2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sgemm.rs (/opt/rustwide/target/debug/deps/sgemm-87f014dde2926f3a)
[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] [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 1.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrixmultiply
[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" "67c5db3f1141853cdd7789c2f122f84a9845ef79a55181788b2d066e61999dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c5db3f1141853cdd7789c2f122f84a9845ef79a55181788b2d066e61999dfc", kill_on_drop: false }`
[INFO] [stdout] 67c5db3f1141853cdd7789c2f122f84a9845ef79a55181788b2d066e61999dfc