[INFO] cloning repository https://github.com/kitagry/rust-deep-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kitagry/rust-deep-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitagry%2Frust-deep-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitagry%2Frust-deep-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e37fb00e07d650cd8fdfc6ed8771d2a0f6527fd
[INFO] testing kitagry/rust-deep-learning against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitagry%2Frust-deep-learning" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kitagry/rust-deep-learning on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kitagry/rust-deep-learning
[INFO] finished tweaking git repo https://github.com/kitagry/rust-deep-learning
[INFO] tweaked toml for git repo https://github.com/kitagry/rust-deep-learning written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/kitagry/rust-deep-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1648c35a6aa00f4aea3952d3e744c78dc6365497a34b02a9ed69c8e6918e2e38
[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" "1648c35a6aa00f4aea3952d3e744c78dc6365497a34b02a9ed69c8e6918e2e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1648c35a6aa00f4aea3952d3e744c78dc6365497a34b02a9ed69c8e6918e2e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1648c35a6aa00f4aea3952d3e744c78dc6365497a34b02a9ed69c8e6918e2e38", kill_on_drop: false }`
[INFO] [stdout] 1648c35a6aa00f4aea3952d3e744c78dc6365497a34b02a9ed69c8e6918e2e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", 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] c56ae6ab0fe15c810dd0c761247845c5b2da0d05f88034cffe37c8e3ca92e31b
[INFO] running `Command { std: "docker" "start" "-a" "c56ae6ab0fe15c810dd0c761247845c5b2da0d05f88034cffe37c8e3ca92e31b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling mnist v0.4.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling rust-deep-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trn_lbl`
[INFO] [stdout]   --> src/main.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 |   let trn_lbl = rcarr1(&trn_lbl).reshape((trn_size, 10));
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_img`
[INFO] [stdout]   --> src/main.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |   let tst_img = rcarr1(&tst_img).reshape((tst_size, rows * cols));
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_lbl`
[INFO] [stdout]   --> src/main.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   let tst_lbl = rcarr1(&tst_lbl).reshape((tst_size, 10));
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.96s
[INFO] running `Command { std: "docker" "inspect" "c56ae6ab0fe15c810dd0c761247845c5b2da0d05f88034cffe37c8e3ca92e31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56ae6ab0fe15c810dd0c761247845c5b2da0d05f88034cffe37c8e3ca92e31b", kill_on_drop: false }`
[INFO] [stdout] c56ae6ab0fe15c810dd0c761247845c5b2da0d05f88034cffe37c8e3ca92e31b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e09d414d46253b39670e854420db382081c9b5733b5d9a7be92ee326803ee7b
[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" "6e09d414d46253b39670e854420db382081c9b5733b5d9a7be92ee326803ee7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-deep-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trn_lbl`
[INFO] [stdout]   --> src/main.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 |   let trn_lbl = rcarr1(&trn_lbl).reshape((trn_size, 10));
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_img`
[INFO] [stdout]   --> src/main.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |   let tst_img = rcarr1(&tst_img).reshape((tst_size, rows * cols));
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_img`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tst_lbl`
[INFO] [stdout]   --> src/main.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   let tst_lbl = rcarr1(&tst_lbl).reshape((tst_size, 10));
[INFO] [stdout]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "6e09d414d46253b39670e854420db382081c9b5733b5d9a7be92ee326803ee7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e09d414d46253b39670e854420db382081c9b5733b5d9a7be92ee326803ee7b", kill_on_drop: false }`
[INFO] [stdout] 6e09d414d46253b39670e854420db382081c9b5733b5d9a7be92ee326803ee7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 855b5eeac0d72a5efcd5a3c807b07da0b3b5b96f397db828187fbb52fc9916f8
[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" "855b5eeac0d72a5efcd5a3c807b07da0b3b5b96f397db828187fbb52fc9916f8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `trn_lbl`
[INFO] [stderr]   --> src/main.rs:67:7
[INFO] [stderr]    |
[INFO] [stderr] 67 |   let trn_lbl = rcarr1(&trn_lbl).reshape((trn_size, 10));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_img`
[INFO] [stderr]   --> src/main.rs:68:7
[INFO] [stderr]    |
[INFO] [stderr] 68 |   let tst_img = rcarr1(&tst_img).reshape((tst_size, rows * cols));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_img`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_lbl`
[INFO] [stderr]   --> src/main.rs:69:7
[INFO] [stderr]    |
[INFO] [stderr] 69 |   let tst_lbl = rcarr1(&tst_lbl).reshape((tst_size, 10));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_deep_learning-11374752a198c3d1
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "855b5eeac0d72a5efcd5a3c807b07da0b3b5b96f397db828187fbb52fc9916f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855b5eeac0d72a5efcd5a3c807b07da0b3b5b96f397db828187fbb52fc9916f8", kill_on_drop: false }`
[INFO] [stdout] 855b5eeac0d72a5efcd5a3c807b07da0b3b5b96f397db828187fbb52fc9916f8