[INFO] cloning repository https://github.com/Natesurf8/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/Natesurf8/Rust-Neural-Network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatesurf8%2FRust-Neural-Network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatesurf8%2FRust-Neural-Network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc5dbcb03efc3d821ece00f49c1262d1f7a125c1
[INFO] checking Natesurf8/Rust-Neural-Network against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatesurf8%2FRust-Neural-Network" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Natesurf8/Rust-Neural-Network on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Natesurf8/Rust-Neural-Network
[INFO] finished tweaking git repo https://github.com/Natesurf8/Rust-Neural-Network
[INFO] tweaked toml for git repo https://github.com/Natesurf8/Rust-Neural-Network written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Natesurf8/Rust-Neural-Network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.69.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] 3bfeb4321f7cef9a62f3dba4396ef29cfac139f08cb56494de0c1eecea2575ef
[INFO] running `Command { std: "docker" "start" "-a" "3bfeb4321f7cef9a62f3dba4396ef29cfac139f08cb56494de0c1eecea2575ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bfeb4321f7cef9a62f3dba4396ef29cfac139f08cb56494de0c1eecea2575ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfeb4321f7cef9a62f3dba4396ef29cfac139f08cb56494de0c1eecea2575ef", kill_on_drop: false }`
[INFO] [stdout] 3bfeb4321f7cef9a62f3dba4396ef29cfac139f08cb56494de0c1eecea2575ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ccb8e0bd872323956362b91f5138faef7bf4bc5a6a7d650137d9b84d8239471
[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" "6ccb8e0bd872323956362b91f5138faef7bf4bc5a6a7d650137d9b84d8239471", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stdout] error[E0432]: unresolved import `super::execution_sequence`
[INFO] [stdout]  --> src/network/tests.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::execution_sequence::ActivationSequence;
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^ could not find `execution_sequence` in `super`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neural_net`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct is never constructed: `ActivationSequence`
[INFO] [stdout]  --> src/network/activation_sequence.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct ActivationSequence {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `activate`
[INFO] [stdout]   --> src/network/activation_sequence.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn activate(&self, input: &[&[f64]]) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Placeholder`
[INFO] [stdout]  --> src/network/placeholder.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Placeholder {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/network/placeholder.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(name: &str, shape: Vec<usize>) -> Placeholder {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_shape`
[INFO] [stdout]   --> src/network/placeholder.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn get_shape(&self) -> &[usize] {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_data`
[INFO] [stdout]   --> src/network/placeholder.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn get_data(&self) -> &[f64] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_data_mut`
[INFO] [stdout]   --> src/network/placeholder.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn get_data_mut(&mut self) -> &mut [f64] {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_data_clone`
[INFO] [stdout]   --> src/network/placeholder.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn get_data_clone(&self) -> Vec<f64> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy_data`
[INFO] [stdout]   --> src/network/placeholder.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn copy_data(&mut self, data: &[f64]) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6ccb8e0bd872323956362b91f5138faef7bf4bc5a6a7d650137d9b84d8239471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ccb8e0bd872323956362b91f5138faef7bf4bc5a6a7d650137d9b84d8239471", kill_on_drop: false }`
[INFO] [stdout] 6ccb8e0bd872323956362b91f5138faef7bf4bc5a6a7d650137d9b84d8239471