[INFO] cloning repository https://github.com/CarsonBurke/rust-neural-network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CarsonBurke/rust-neural-network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarsonBurke%2Frust-neural-network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarsonBurke%2Frust-neural-network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b88ec8b9c7828fbe169cb62213475714e2e8d39d
[INFO] building CarsonBurke/rust-neural-network against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarsonBurke%2Frust-neural-network" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CarsonBurke/rust-neural-network on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CarsonBurke/rust-neural-network
[INFO] finished tweaking git repo https://github.com/CarsonBurke/rust-neural-network
[INFO] tweaked toml for git repo https://github.com/CarsonBurke/rust-neural-network written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/CarsonBurke/rust-neural-network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded portable-atomic v1.10.0
[INFO] [stderr]   Downloaded portable-atomic-util v0.2.4
[INFO] [stderr]   Downloaded float-ord v0.3.2
[INFO] [stderr]   Downloaded ndarray v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4837c9c8b73adb2a369691e8349ab3367f625da3e28403537d15c2c8c9eae7da
[INFO] running `Command { std: "docker" "start" "-a" "4837c9c8b73adb2a369691e8349ab3367f625da3e28403537d15c2c8c9eae7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4837c9c8b73adb2a369691e8349ab3367f625da3e28403537d15c2c8c9eae7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4837c9c8b73adb2a369691e8349ab3367f625da3e28403537d15c2c8c9eae7da", kill_on_drop: false }`
[INFO] [stdout] 4837c9c8b73adb2a369691e8349ab3367f625da3e28403537d15c2c8c9eae7da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aae4698cceecc2871a1538ef5c58b2f2caeb528851adee23eb1028c100027a0
[INFO] running `Command { std: "docker" "start" "-a" "7aae4698cceecc2871a1538ef5c58b2f2caeb528851adee23eb1028c100027a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rust_neural_network v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/neural_network.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let dw = (1.0 / &activation_layers[layer_i]) * (da.dot(&previous_activations.reversed_axes()));
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/neural_network.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let db = &self.bias_layers[layer_i];
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `da_prev`
[INFO] [stdout]    --> src/neural_network.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let da_prev = self.weight_layers[layer_i].dot(&da);
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_da_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.79s
[INFO] running `Command { std: "docker" "inspect" "7aae4698cceecc2871a1538ef5c58b2f2caeb528851adee23eb1028c100027a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aae4698cceecc2871a1538ef5c58b2f2caeb528851adee23eb1028c100027a0", kill_on_drop: false }`
[INFO] [stdout] 7aae4698cceecc2871a1538ef5c58b2f2caeb528851adee23eb1028c100027a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22b086a4202807951295c2db6112799efff12b7d43513332c24a8e9a7323f841
[INFO] running `Command { std: "docker" "start" "-a" "22b086a4202807951295c2db6112799efff12b7d43513332c24a8e9a7323f841", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/neural_network.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let dw = (1.0 / &activation_layers[layer_i]) * (da.dot(&previous_activations.reversed_axes()));
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_neural_network v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/neural_network.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let db = &self.bias_layers[layer_i];
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `da_prev`
[INFO] [stdout]    --> src/neural_network.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let da_prev = self.weight_layers[layer_i].dot(&da);
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_da_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dw`
[INFO] [stdout]    --> src/neural_network.rs:223:17
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let dw = (1.0 / &activation_layers[layer_i]) * (da.dot(&previous_activations.reversed_axes()));
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_dw`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `db`
[INFO] [stdout]    --> src/neural_network.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |             let db = &self.bias_layers[layer_i];
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_db`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `da_prev`
[INFO] [stdout]    --> src/neural_network.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |             let da_prev = self.weight_layers[layer_i].dot(&da);
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_da_prev`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "22b086a4202807951295c2db6112799efff12b7d43513332c24a8e9a7323f841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b086a4202807951295c2db6112799efff12b7d43513332c24a8e9a7323f841", kill_on_drop: false }`
[INFO] [stdout] 22b086a4202807951295c2db6112799efff12b7d43513332c24a8e9a7323f841
