[INFO] fetching crate matrixmultiply 0.3.1...
[INFO] testing matrixmultiply-0.3.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate matrixmultiply 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate matrixmultiply 0.3.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbf51d81b53c1fb27c84a425c92af112bd7664a6eb5a62869515733782db417c
[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" "bbf51d81b53c1fb27c84a425c92af112bd7664a6eb5a62869515733782db417c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf51d81b53c1fb27c84a425c92af112bd7664a6eb5a62869515733782db417c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf51d81b53c1fb27c84a425c92af112bd7664a6eb5a62869515733782db417c", kill_on_drop: false }`
[INFO] [stdout] bbf51d81b53c1fb27c84a425c92af112bd7664a6eb5a62869515733782db417c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", 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] a0bb5da23026e274217b62db9f2b5d246907626e048ce8f145805a61453c43d8
[INFO] running `Command { std: "docker" "start" "-a" "a0bb5da23026e274217b62db9f2b5d246907626e048ce8f145805a61453c43d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "a0bb5da23026e274217b62db9f2b5d246907626e048ce8f145805a61453c43d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0bb5da23026e274217b62db9f2b5d246907626e048ce8f145805a61453c43d8", kill_on_drop: false }`
[INFO] [stdout] a0bb5da23026e274217b62db9f2b5d246907626e048ce8f145805a61453c43d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0278712205f8a35e3c919caef55b4ff85680625b6646b83a84a1faeb6a8ff4d
[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" "f0278712205f8a35e3c919caef55b4ff85680625b6646b83a84a1faeb6a8ff4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "f0278712205f8a35e3c919caef55b4ff85680625b6646b83a84a1faeb6a8ff4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0278712205f8a35e3c919caef55b4ff85680625b6646b83a84a1faeb6a8ff4d", kill_on_drop: false }`
[INFO] [stdout] f0278712205f8a35e3c919caef55b4ff85680625b6646b83a84a1faeb6a8ff4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 09dc499473aa50e53e53f48c272c0aa79709032bc64b453e40da6432bd40ddcf
[INFO] running `Command { std: "docker" "start" "-a" "09dc499473aa50e53e53f48c272c0aa79709032bc64b453e40da6432bd40ddcf", 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_loop_m_n ... 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 sgemm_kernel::tests::test_kernel_fallback_impl ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_kernel_fallback_impl ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::fma ... 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 dgemm_kernel::tests::test_loop_m_n ... ok
[INFO] [stdout] test dgemm_kernel::tests::test_arch_kernels::avx ... ok
[INFO] [stdout] test sgemm_kernel::tests::test_arch_kernels::fma ... 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_dgemm ... ok
[INFO] [stdout] test test_sgemm ... 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 1.39s
[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" "09dc499473aa50e53e53f48c272c0aa79709032bc64b453e40da6432bd40ddcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09dc499473aa50e53e53f48c272c0aa79709032bc64b453e40da6432bd40ddcf", kill_on_drop: false }`
[INFO] [stdout] 09dc499473aa50e53e53f48c272c0aa79709032bc64b453e40da6432bd40ddcf