[INFO] fetching crate matrixmultiply 0.3.1...
[INFO] testing matrixmultiply-0.3.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate matrixmultiply 0.3.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate matrixmultiply 0.3.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-15/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ff372e0a2b42c1c3474f5450da59638bd6a2fa4d9acd5ee90bb1e663f023912
[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" "6ff372e0a2b42c1c3474f5450da59638bd6a2fa4d9acd5ee90bb1e663f023912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff372e0a2b42c1c3474f5450da59638bd6a2fa4d9acd5ee90bb1e663f023912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff372e0a2b42c1c3474f5450da59638bd6a2fa4d9acd5ee90bb1e663f023912", kill_on_drop: false }`
[INFO] [stdout] 6ff372e0a2b42c1c3474f5450da59638bd6a2fa4d9acd5ee90bb1e663f023912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22964c8b567e3fcada3fd217ae6d9ef72e8d6ca8ea611571bdbf35aee0919033
[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" "22964c8b567e3fcada3fd217ae6d9ef72e8d6ca8ea611571bdbf35aee0919033", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "22964c8b567e3fcada3fd217ae6d9ef72e8d6ca8ea611571bdbf35aee0919033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22964c8b567e3fcada3fd217ae6d9ef72e8d6ca8ea611571bdbf35aee0919033", kill_on_drop: false }`
[INFO] [stdout] 22964c8b567e3fcada3fd217ae6d9ef72e8d6ca8ea611571bdbf35aee0919033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37aa1cf4c12bea62ee4ba7991e9ce81a5677f3743bbec11446fcb94778cf7e29
[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" "37aa1cf4c12bea62ee4ba7991e9ce81a5677f3743bbec11446fcb94778cf7e29", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bencher v0.1.5
[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 2.32s
[INFO] running `Command { std: "docker" "inspect" "37aa1cf4c12bea62ee4ba7991e9ce81a5677f3743bbec11446fcb94778cf7e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37aa1cf4c12bea62ee4ba7991e9ce81a5677f3743bbec11446fcb94778cf7e29", kill_on_drop: false }`
[INFO] [stdout] 37aa1cf4c12bea62ee4ba7991e9ce81a5677f3743bbec11446fcb94778cf7e29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 600a7fc5c9bd1bc8b2b7b2f0337a806faaa4f0bcea09aeaef73480c18a08dc95
[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" "600a7fc5c9bd1bc8b2b7b2f0337a806faaa4f0bcea09aeaef73480c18a08dc95", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 11 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrixmultiply-913b62e5051fabee)
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::avx ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::sse2 ... 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 dgemm_kernel::tests::test_loop_m_n ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_arch_kernels::avx ... 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 sgemm_kernel::tests::test_arch_kernels::fma ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_kernel_fallback_impl ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sgemm.rs (/opt/rustwide/target/debug/deps/sgemm-7cffcb8a67b841a7)
[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 1.07s
[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" "600a7fc5c9bd1bc8b2b7b2f0337a806faaa4f0bcea09aeaef73480c18a08dc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600a7fc5c9bd1bc8b2b7b2f0337a806faaa4f0bcea09aeaef73480c18a08dc95", kill_on_drop: false }`
[INFO] [stdout] 600a7fc5c9bd1bc8b2b7b2f0337a806faaa4f0bcea09aeaef73480c18a08dc95