[INFO] updating cached repository https://github.com/Natesurf8/Rust-Neural-Network
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc5dbcb03efc3d821ece00f49c1262d1f7a125c1
[INFO] checking Natesurf8/Rust-Neural-Network against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatesurf8%2FRust-Neural-Network" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Natesurf8/Rust-Neural-Network on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/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 `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ded06232d64d28e708fa24635bdb0e54f9e278216b6c9016fab67d7418cf3b18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ded06232d64d28e708fa24635bdb0e54f9e278216b6c9016fab67d7418cf3b18"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
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[INFO] [stderr] error[E0432]: unresolved import `super::execution_sequence`
[INFO] [stderr]  --> src/network/tests.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::execution_sequence::ActivationSequence;
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^ could not find `execution_sequence` in `super`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ActivationSequence`
[INFO] [stderr]  --> src/network/activation_sequence.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct ActivationSequence {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `activate`
[INFO] [stderr]   --> src/network/activation_sequence.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn activate(&self, input: &[&[f64]]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Placeholder`
[INFO] [stderr]  --> src/network/placeholder.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Placeholder {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/network/placeholder.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(name: &str, shape: Vec<usize>) -> Placeholder {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_shape`
[INFO] [stderr]   --> src/network/placeholder.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn get_shape(&self) -> &[usize] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_data`
[INFO] [stderr]   --> src/network/placeholder.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn get_data(&self) -> &[f64] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_data_mut`
[INFO] [stderr]   --> src/network/placeholder.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn get_data_mut(&mut self) -> &mut [f64] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_data_clone`
[INFO] [stderr]   --> src/network/placeholder.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn get_data_clone(&self) -> Vec<f64> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `copy_data`
[INFO] [stderr]   --> src/network/placeholder.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn copy_data(&mut self, data: &[f64]) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `neural_net`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ded06232d64d28e708fa24635bdb0e54f9e278216b6c9016fab67d7418cf3b18"`
[INFO] running `"docker" "rm" "-f" "ded06232d64d28e708fa24635bdb0e54f9e278216b6c9016fab67d7418cf3b18"`
[INFO] [stdout] ded06232d64d28e708fa24635bdb0e54f9e278216b6c9016fab67d7418cf3b18