[INFO] cloning repository https://github.com/connorcl/rust-nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/connorcl/rust-nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorcl%2Frust-nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnorcl%2Frust-nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a82b48e87f0b43018671d601407a52e0a52f6fe
[INFO] testing connorcl/rust-nn 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%2Fconnorcl%2Frust-nn" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/connorcl/rust-nn 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/connorcl/rust-nn
[INFO] finished tweaking git repo https://github.com/connorcl/rust-nn
[INFO] tweaked toml for git repo https://github.com/connorcl/rust-nn written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/connorcl/rust-nn 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 91412e0069a97aecaa2a4148fa0c0adbff8899a6928c1a1282c86b427786193c
[INFO] running `Command { std: "docker" "start" "-a" "91412e0069a97aecaa2a4148fa0c0adbff8899a6928c1a1282c86b427786193c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91412e0069a97aecaa2a4148fa0c0adbff8899a6928c1a1282c86b427786193c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91412e0069a97aecaa2a4148fa0c0adbff8899a6928c1a1282c86b427786193c", kill_on_drop: false }`
[INFO] [stdout] 91412e0069a97aecaa2a4148fa0c0adbff8899a6928c1a1282c86b427786193c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] dd1121b8d17ada2069649bead59ed2712b10743e03c137b32a67e6a22d642a75
[INFO] running `Command { std: "docker" "start" "-a" "dd1121b8d17ada2069649bead59ed2712b10743e03c137b32a67e6a22d642a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling neural_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "dd1121b8d17ada2069649bead59ed2712b10743e03c137b32a67e6a22d642a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1121b8d17ada2069649bead59ed2712b10743e03c137b32a67e6a22d642a75", kill_on_drop: false }`
[INFO] [stdout] dd1121b8d17ada2069649bead59ed2712b10743e03c137b32a67e6a22d642a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] dfb1d01951fdb2860259edf6a9da2dbdc0e5165f161d227f4c40a5402f092b6e
[INFO] running `Command { std: "docker" "start" "-a" "dfb1d01951fdb2860259edf6a9da2dbdc0e5165f161d227f4c40a5402f092b6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling neural_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/dataset.rs:140:13
[INFO] [stdout]     |
[INFO] [stdout] 140 |         for i in 0..2 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/dataset.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             for m in dataset.iter() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "dfb1d01951fdb2860259edf6a9da2dbdc0e5165f161d227f4c40a5402f092b6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb1d01951fdb2860259edf6a9da2dbdc0e5165f161d227f4c40a5402f092b6e", kill_on_drop: false }`
[INFO] [stdout] dfb1d01951fdb2860259edf6a9da2dbdc0e5165f161d227f4c40a5402f092b6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2f1e12f40fa515000bb2fb7825068b63cc14b878ffc46a48326f009343304175
[INFO] running `Command { std: "docker" "start" "-a" "2f1e12f40fa515000bb2fb7825068b63cc14b878ffc46a48326f009343304175", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/dataset.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |         for i in 0..2 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/dataset.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |             for m in dataset.iter() {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: `neural_net` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neural_net-eb51afa6e6637125)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test layers::tests::linear_forward ... ok
[INFO] [stdout] test linear_algebra::tests::coord_index_conversion ... ok
[INFO] [stdout] test linear_algebra::tests::create_from_vector ... ok
[INFO] [stdout] test linear_algebra::tests::element_access ... ok
[INFO] [stdout] test linear_algebra::tests::element_modification ... ok
[INFO] [stdout] test linear_algebra::tests::initial_rows ... ok
[INFO] [stdout] test linear_algebra::tests::matrix_transposition ... ok
[INFO] [stdout] test linear_algebra::tests::initialize_gradients ... ok
[INFO] [stdout] test linear_algebra::tests::elementwise_addition ... ok
[INFO] [stdout] test linear_algebra::tests::initial_data_len ... ok
[INFO] [stdout] test linear_algebra::tests::gradient_descent ... ok
[INFO] [stdout] test linear_algebra::tests::matrix_multiply ... ok
[INFO] [stdout] test dataset::tests::data_loading ... ok
[INFO] [stdout] test dataset::tests::dataset_iteration ... ok
[INFO] [stdout] test linear_algebra::tests::initial_cols ... ok
[INFO] [stdout] test layers::tests::linear_backward ... ok
[INFO] [stdout] test linear_algebra::tests::create_from_invalid_vector - should panic ... ok
[INFO] [stdout] test linear_algebra::tests::elementwise_add_wrong_size - should panic ... ok
[INFO] [stdout] test linear_algebra::tests::out_of_bounds_access - should panic ... ok
[INFO] [stdout] test linear_algebra::tests::matrix_multiply_wrong_size - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neural_net-388390d3b926252c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests neural_net
[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] [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" "2f1e12f40fa515000bb2fb7825068b63cc14b878ffc46a48326f009343304175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1e12f40fa515000bb2fb7825068b63cc14b878ffc46a48326f009343304175", kill_on_drop: false }`
[INFO] [stdout] 2f1e12f40fa515000bb2fb7825068b63cc14b878ffc46a48326f009343304175