[INFO] cloning repository https://github.com/floppyhammer/ndarray-lu-direct-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/floppyhammer/ndarray-lu-direct-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloppyhammer%2Fndarray-lu-direct-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloppyhammer%2Fndarray-lu-direct-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f064c6012101c1cc32f8ef4418807b11b02587b4
[INFO] testing floppyhammer/ndarray-lu-direct-solver against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloppyhammer%2Fndarray-lu-direct-solver" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/floppyhammer/ndarray-lu-direct-solver on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/floppyhammer/ndarray-lu-direct-solver
[INFO] finished tweaking git repo https://github.com/floppyhammer/ndarray-lu-direct-solver
[INFO] tweaked toml for git repo https://github.com/floppyhammer/ndarray-lu-direct-solver written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/floppyhammer/ndarray-lu-direct-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 237388de04a17e51097a77e0336f12c232a2df9bdead1315cb215691421bb83d
[INFO] running `Command { std: "docker" "start" "-a" "237388de04a17e51097a77e0336f12c232a2df9bdead1315cb215691421bb83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "237388de04a17e51097a77e0336f12c232a2df9bdead1315cb215691421bb83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "237388de04a17e51097a77e0336f12c232a2df9bdead1315cb215691421bb83d", kill_on_drop: false }`
[INFO] [stdout] 237388de04a17e51097a77e0336f12c232a2df9bdead1315cb215691421bb83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b3e97441b0f81369ff86f14df86d604d062fb4f9c102ff61b5678d77f7dd5e1
[INFO] running `Command { std: "docker" "start" "-a" "1b3e97441b0f81369ff86f14df86d604d062fb4f9c102ff61b5678d77f7dd5e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling ndarray-lu-direct-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `display_array`
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn display_array(array: &Array2<f64>) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "1b3e97441b0f81369ff86f14df86d604d062fb4f9c102ff61b5678d77f7dd5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3e97441b0f81369ff86f14df86d604d062fb4f9c102ff61b5678d77f7dd5e1", kill_on_drop: false }`
[INFO] [stdout] 1b3e97441b0f81369ff86f14df86d604d062fb4f9c102ff61b5678d77f7dd5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b464dff20d8c38999c8d84fb47e694abbd8ddc18db6d0f43881ae709675c036c
[INFO] running `Command { std: "docker" "start" "-a" "b464dff20d8c38999c8d84fb47e694abbd8ddc18db6d0f43881ae709675c036c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray-lu-direct-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `display_array`
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn display_array(array: &Array2<f64>) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ndarray_lu_direct_solver-7917befc9d27f91a)
[INFO] running `Command { std: "docker" "inspect" "b464dff20d8c38999c8d84fb47e694abbd8ddc18db6d0f43881ae709675c036c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b464dff20d8c38999c8d84fb47e694abbd8ddc18db6d0f43881ae709675c036c", kill_on_drop: false }`
[INFO] [stdout] b464dff20d8c38999c8d84fb47e694abbd8ddc18db6d0f43881ae709675c036c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] deb2b3721dff62215e344231f40283a26d219358c77c3ab5912ef100d58b3232
[INFO] running `Command { std: "docker" "start" "-a" "deb2b3721dff62215e344231f40283a26d219358c77c3ab5912ef100d58b3232", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `display_array`
[INFO] [stderr]  --> src/main.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn display_array(array: &Array2<f64>) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ndarray-lu-direct-solver` (bin "ndarray-lu-direct-solver" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ndarray_lu_direct_solver-7917befc9d27f91a)
[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" "deb2b3721dff62215e344231f40283a26d219358c77c3ab5912ef100d58b3232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb2b3721dff62215e344231f40283a26d219358c77c3ab5912ef100d58b3232", kill_on_drop: false }`
[INFO] [stdout] deb2b3721dff62215e344231f40283a26d219358c77c3ab5912ef100d58b3232