[INFO] cloning repository https://github.com/tranxuanthang/rust-matrix-multiply
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tranxuanthang/rust-matrix-multiply" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftranxuanthang%2Frust-matrix-multiply", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftranxuanthang%2Frust-matrix-multiply'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2238e022ae8451254b8e78d9f5eaead26d26b9e
[INFO] testing tranxuanthang/rust-matrix-multiply against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftranxuanthang%2Frust-matrix-multiply" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tranxuanthang/rust-matrix-multiply on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tranxuanthang/rust-matrix-multiply
[INFO] finished tweaking git repo https://github.com/tranxuanthang/rust-matrix-multiply
[INFO] tweaked toml for git repo https://github.com/tranxuanthang/rust-matrix-multiply written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tranxuanthang/rust-matrix-multiply already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61f72401846553c2507081661d84270684330d471dc3542e1a1a3aa379b3285b
[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" "61f72401846553c2507081661d84270684330d471dc3542e1a1a3aa379b3285b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61f72401846553c2507081661d84270684330d471dc3542e1a1a3aa379b3285b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61f72401846553c2507081661d84270684330d471dc3542e1a1a3aa379b3285b", kill_on_drop: false }`
[INFO] [stdout] 61f72401846553c2507081661d84270684330d471dc3542e1a1a3aa379b3285b
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b47bf1913a2c33ed0d35a4f9ca4e03969f6db084f08c691164f90781e806d8de
[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" "b47bf1913a2c33ed0d35a4f9ca4e03969f6db084f08c691164f90781e806d8de", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-multiply v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "b47bf1913a2c33ed0d35a4f9ca4e03969f6db084f08c691164f90781e806d8de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47bf1913a2c33ed0d35a4f9ca4e03969f6db084f08c691164f90781e806d8de", kill_on_drop: false }`
[INFO] [stdout] b47bf1913a2c33ed0d35a4f9ca4e03969f6db084f08c691164f90781e806d8de
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1dd72a8cb3cc9a5d76b20b97c7aa3dc31f18a748b60d992cb6b35bd6b9a02af
[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" "b1dd72a8cb3cc9a5d76b20b97c7aa3dc31f18a748b60d992cb6b35bd6b9a02af", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-multiply v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "b1dd72a8cb3cc9a5d76b20b97c7aa3dc31f18a748b60d992cb6b35bd6b9a02af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1dd72a8cb3cc9a5d76b20b97c7aa3dc31f18a748b60d992cb6b35bd6b9a02af", kill_on_drop: false }`
[INFO] [stdout] b1dd72a8cb3cc9a5d76b20b97c7aa3dc31f18a748b60d992cb6b35bd6b9a02af
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 930b4acfb3c89e524e374b08679a6475931ec4b7b6322fc9f0b29e8f2ed029a5
[INFO] running `Command { std: "docker" "start" "-a" "930b4acfb3c89e524e374b08679a6475931ec4b7b6322fc9f0b29e8f2ed029a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_multiply-2b95c2d02fe70434)
[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" "930b4acfb3c89e524e374b08679a6475931ec4b7b6322fc9f0b29e8f2ed029a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930b4acfb3c89e524e374b08679a6475931ec4b7b6322fc9f0b29e8f2ed029a5", kill_on_drop: false }`
[INFO] [stdout] 930b4acfb3c89e524e374b08679a6475931ec4b7b6322fc9f0b29e8f2ed029a5