[INFO] cloning repository https://github.com/tranxuanthang/matrix-multiplication-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tranxuanthang/matrix-multiplication-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftranxuanthang%2Fmatrix-multiplication-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftranxuanthang%2Fmatrix-multiplication-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85f6d95add27dabca1ce6d98adddc3c2d41aa0c6
[INFO] testing tranxuanthang/matrix-multiplication-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftranxuanthang%2Fmatrix-multiplication-rs" "/workspace/builds/worker-89/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-89/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tranxuanthang/matrix-multiplication-rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tranxuanthang/matrix-multiplication-rs
[INFO] finished tweaking git repo https://github.com/tranxuanthang/matrix-multiplication-rs
[INFO] tweaked toml for git repo https://github.com/tranxuanthang/matrix-multiplication-rs written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate git repo https://github.com/tranxuanthang/matrix-multiplication-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6e1ab69b7475d09c67764ae257b09ee6709cff0c1e5a90fe0d78442fbc292a3
[INFO] running `Command { std: "docker" "start" "-a" "f6e1ab69b7475d09c67764ae257b09ee6709cff0c1e5a90fe0d78442fbc292a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e1ab69b7475d09c67764ae257b09ee6709cff0c1e5a90fe0d78442fbc292a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e1ab69b7475d09c67764ae257b09ee6709cff0c1e5a90fe0d78442fbc292a3", kill_on_drop: false }`
[INFO] [stdout] f6e1ab69b7475d09c67764ae257b09ee6709cff0c1e5a90fe0d78442fbc292a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ecb409e0c041537df2cbef2c932920757a2dd2cff7e8e57cad189453ae74b83
[INFO] running `Command { std: "docker" "start" "-a" "6ecb409e0c041537df2cbef2c932920757a2dd2cff7e8e57cad189453ae74b83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling matrix-multiplication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "6ecb409e0c041537df2cbef2c932920757a2dd2cff7e8e57cad189453ae74b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ecb409e0c041537df2cbef2c932920757a2dd2cff7e8e57cad189453ae74b83", kill_on_drop: false }`
[INFO] [stdout] 6ecb409e0c041537df2cbef2c932920757a2dd2cff7e8e57cad189453ae74b83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79aadb1d7d30dbfc1ae9fe02768000cc73b650af55d616fcffb03e89832520d0
[INFO] running `Command { std: "docker" "start" "-a" "79aadb1d7d30dbfc1ae9fe02768000cc73b650af55d616fcffb03e89832520d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix-multiplication v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "79aadb1d7d30dbfc1ae9fe02768000cc73b650af55d616fcffb03e89832520d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79aadb1d7d30dbfc1ae9fe02768000cc73b650af55d616fcffb03e89832520d0", kill_on_drop: false }`
[INFO] [stdout] 79aadb1d7d30dbfc1ae9fe02768000cc73b650af55d616fcffb03e89832520d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78c033f70aba7fef55bf35bf4e2891dfce4184dc4616a0b6d76492c39f15b29b
[INFO] running `Command { std: "docker" "start" "-a" "78c033f70aba7fef55bf35bf4e2891dfce4184dc4616a0b6d76492c39f15b29b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_multiplication-1a13ac17510a4369)
[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" "78c033f70aba7fef55bf35bf4e2891dfce4184dc4616a0b6d76492c39f15b29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78c033f70aba7fef55bf35bf4e2891dfce4184dc4616a0b6d76492c39f15b29b", kill_on_drop: false }`
[INFO] [stdout] 78c033f70aba7fef55bf35bf4e2891dfce4184dc4616a0b6d76492c39f15b29b