[INFO] cloning repository https://github.com/howeih/Day-30-Strassen-multiplication
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howeih/Day-30-Strassen-multiplication" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-30-Strassen-multiplication", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-30-Strassen-multiplication'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f8d722a91e269193891940b5a29e5a4a1f221ce
[INFO] testing howeih/Day-30-Strassen-multiplication against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-30-Strassen-multiplication" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howeih/Day-30-Strassen-multiplication 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/howeih/Day-30-Strassen-multiplication
[INFO] finished tweaking git repo https://github.com/howeih/Day-30-Strassen-multiplication
[INFO] tweaked toml for git repo https://github.com/howeih/Day-30-Strassen-multiplication written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/howeih/Day-30-Strassen-multiplication 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f11d55ba8559ba30765274223374ad60e23eafb40c9b3f780b3ad8c3af79f27e
[INFO] running `Command { std: "docker" "start" "-a" "f11d55ba8559ba30765274223374ad60e23eafb40c9b3f780b3ad8c3af79f27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f11d55ba8559ba30765274223374ad60e23eafb40c9b3f780b3ad8c3af79f27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11d55ba8559ba30765274223374ad60e23eafb40c9b3f780b3ad8c3af79f27e", kill_on_drop: false }`
[INFO] [stdout] f11d55ba8559ba30765274223374ad60e23eafb40c9b3f780b3ad8c3af79f27e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dd72e562f86a601349f309d86c706274dc17a5d465ec1974e14e7ec5c1523a1
[INFO] running `Command { std: "docker" "start" "-a" "2dd72e562f86a601349f309d86c706274dc17a5d465ec1974e14e7ec5c1523a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ndarray v0.11.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling strassen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "2dd72e562f86a601349f309d86c706274dc17a5d465ec1974e14e7ec5c1523a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd72e562f86a601349f309d86c706274dc17a5d465ec1974e14e7ec5c1523a1", kill_on_drop: false }`
[INFO] [stdout] 2dd72e562f86a601349f309d86c706274dc17a5d465ec1974e14e7ec5c1523a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f10aeb3a782ef6a34d2f79e726bc8e85641f8c671bd62bb1fc97fdca7af4262c
[INFO] running `Command { std: "docker" "start" "-a" "f10aeb3a782ef6a34d2f79e726bc8e85641f8c671bd62bb1fc97fdca7af4262c", kill_on_drop: false }`
[INFO] [stderr]    Compiling strassen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "f10aeb3a782ef6a34d2f79e726bc8e85641f8c671bd62bb1fc97fdca7af4262c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10aeb3a782ef6a34d2f79e726bc8e85641f8c671bd62bb1fc97fdca7af4262c", kill_on_drop: false }`
[INFO] [stdout] f10aeb3a782ef6a34d2f79e726bc8e85641f8c671bd62bb1fc97fdca7af4262c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a475ab09b57ae1415b74c44b398ba8259477b9f9334b51c268dc78aa81203757
[INFO] running `Command { std: "docker" "start" "-a" "a475ab09b57ae1415b74c44b398ba8259477b9f9334b51c268dc78aa81203757", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/strassen-1a721f0dc7cbcd70)
[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" "a475ab09b57ae1415b74c44b398ba8259477b9f9334b51c268dc78aa81203757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a475ab09b57ae1415b74c44b398ba8259477b9f9334b51c268dc78aa81203757", kill_on_drop: false }`
[INFO] [stdout] a475ab09b57ae1415b74c44b398ba8259477b9f9334b51c268dc78aa81203757