[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 beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftranxuanthang%2Frust-matrix-multiply" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tranxuanthang/rust-matrix-multiply on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-45/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54ef414d1c119d7c4143a6efd80209ef5f1a852354a5ea76ecb3ba78f4d88380
[INFO] running `Command { std: "docker" "start" "-a" "54ef414d1c119d7c4143a6efd80209ef5f1a852354a5ea76ecb3ba78f4d88380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ef414d1c119d7c4143a6efd80209ef5f1a852354a5ea76ecb3ba78f4d88380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ef414d1c119d7c4143a6efd80209ef5f1a852354a5ea76ecb3ba78f4d88380", kill_on_drop: false }`
[INFO] [stdout] 54ef414d1c119d7c4143a6efd80209ef5f1a852354a5ea76ecb3ba78f4d88380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e19296c3c2223c6b28938cc4924a1cee3c2949bc51e63365b8c94ff093ba2fc
[INFO] running `Command { std: "docker" "start" "-a" "4e19296c3c2223c6b28938cc4924a1cee3c2949bc51e63365b8c94ff093ba2fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-multiply v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "4e19296c3c2223c6b28938cc4924a1cee3c2949bc51e63365b8c94ff093ba2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e19296c3c2223c6b28938cc4924a1cee3c2949bc51e63365b8c94ff093ba2fc", kill_on_drop: false }`
[INFO] [stdout] 4e19296c3c2223c6b28938cc4924a1cee3c2949bc51e63365b8c94ff093ba2fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5b3aa2faa9d14cf339821a8728e3739756addacf7804baca65cbccef102c186
[INFO] running `Command { std: "docker" "start" "-a" "c5b3aa2faa9d14cf339821a8728e3739756addacf7804baca65cbccef102c186", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-multiply v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "c5b3aa2faa9d14cf339821a8728e3739756addacf7804baca65cbccef102c186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b3aa2faa9d14cf339821a8728e3739756addacf7804baca65cbccef102c186", kill_on_drop: false }`
[INFO] [stdout] c5b3aa2faa9d14cf339821a8728e3739756addacf7804baca65cbccef102c186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44260439493f416d0e7f95a82e51fca0ce4b743bcb5831d2dded44cb8e36ad34
[INFO] running `Command { std: "docker" "start" "-a" "44260439493f416d0e7f95a82e51fca0ce4b743bcb5831d2dded44cb8e36ad34", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_multiply-033338063dbb3d4e)
[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" "44260439493f416d0e7f95a82e51fca0ce4b743bcb5831d2dded44cb8e36ad34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44260439493f416d0e7f95a82e51fca0ce4b743bcb5831d2dded44cb8e36ad34", kill_on_drop: false }`
[INFO] [stdout] 44260439493f416d0e7f95a82e51fca0ce4b743bcb5831d2dded44cb8e36ad34