[INFO] fetching crate matrixmultiply_mt 0.1.7...
[INFO] testing matrixmultiply_mt-0.1.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate matrixmultiply_mt 0.1.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate matrixmultiply_mt 0.1.7 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrixmultiply_mt 0.1.7
[INFO] finished tweaking crates.io crate matrixmultiply_mt 0.1.7
[INFO] tweaked toml for crates.io crate matrixmultiply_mt 0.1.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typenum_loops v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78430b2f5da026639a8034682ceb2c8e74fa18361cafd474521f249aa9b28215
[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" "78430b2f5da026639a8034682ceb2c8e74fa18361cafd474521f249aa9b28215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78430b2f5da026639a8034682ceb2c8e74fa18361cafd474521f249aa9b28215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78430b2f5da026639a8034682ceb2c8e74fa18361cafd474521f249aa9b28215", kill_on_drop: false }`
[INFO] [stdout] 78430b2f5da026639a8034682ceb2c8e74fa18361cafd474521f249aa9b28215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c694b097ff63472aea57e60b34cf992af6e174743488ddb051711be31a4a0ee
[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" "2c694b097ff63472aea57e60b34cf992af6e174743488ddb051711be31a4a0ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply_mt v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling typenum_loops v0.3.0
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `Command { std: "docker" "inspect" "2c694b097ff63472aea57e60b34cf992af6e174743488ddb051711be31a4a0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c694b097ff63472aea57e60b34cf992af6e174743488ddb051711be31a4a0ee", kill_on_drop: false }`
[INFO] [stdout] 2c694b097ff63472aea57e60b34cf992af6e174743488ddb051711be31a4a0ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b0a5ae278b21e25d3dc8c02913c13523a4823ca778226ba897a5af061f5d10a
[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" "9b0a5ae278b21e25d3dc8c02913c13523a4823ca778226ba897a5af061f5d10a", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply_mt v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.21s
[INFO] running `Command { std: "docker" "inspect" "9b0a5ae278b21e25d3dc8c02913c13523a4823ca778226ba897a5af061f5d10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b0a5ae278b21e25d3dc8c02913c13523a4823ca778226ba897a5af061f5d10a", kill_on_drop: false }`
[INFO] [stdout] 9b0a5ae278b21e25d3dc8c02913c13523a4823ca778226ba897a5af061f5d10a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83c89635e1d0131f581ca812976e786357bb2e38d0b1144afa906e956b2bf853
[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" "83c89635e1d0131f581ca812976e786357bb2e38d0b1144afa906e956b2bf853", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrixmultiply_mt-a7c3be5fe1a60bc3
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sgemm-3570db141824075a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_sgemm ... ok
[INFO] [stdout] test test_dgemm ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sgemm_st-0e0e87a40585089a
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_dgemm_st ... ok
[INFO] [stdout] test test_sgemm_st ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrixmultiply_mt
[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 `Command { std: "docker" "inspect" "83c89635e1d0131f581ca812976e786357bb2e38d0b1144afa906e956b2bf853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c89635e1d0131f581ca812976e786357bb2e38d0b1144afa906e956b2bf853", kill_on_drop: false }`
[INFO] [stdout] 83c89635e1d0131f581ca812976e786357bb2e38d0b1144afa906e956b2bf853