[INFO] updating cached repository https://github.com/baxtersa/decepticon
[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] fd68f012d63ead8cfc6398291f0770db933c5600
[INFO] checking baxtersa/decepticon against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaxtersa%2Fdecepticon" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baxtersa/decepticon on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/baxtersa/decepticon
[INFO] finished tweaking git repo https://github.com/baxtersa/decepticon
[INFO] tweaked toml for git repo https://github.com/baxtersa/decepticon written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/baxtersa/decepticon already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34cf489c0a252f3de9ca07895d88afafb727db3011656aa1874d0cd011ecbbf0
[INFO] running `"docker" "start" "-a" "34cf489c0a252f3de9ca07895d88afafb727db3011656aa1874d0cd011ecbbf0"`
[INFO] [stderr]     Checking nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `epoch`
[INFO] [stderr]    --> src/nn/network.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         for epoch in 0..epochs {
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mse`
[INFO] [stderr]   --> src/nn/math.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn mse(expecteds: &[f64], actuals: &[f64]) -> f64 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `LEARN_RATE`
[INFO] [stderr]   --> src/nn/network.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     const LEARN_RATE: f64 = 0.1;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dLs` should have a snake case name
[INFO] [stderr]   --> src/nn/network.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let dLs: Vec<_> = ypred
[INFO] [stderr]    |             ^^^ help: convert the identifier to snake case: `d_ls`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dL` should have a snake case name
[INFO] [stderr]   --> src/nn/network.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |             .map(|((dL, doutput), output)| {
[INFO] [stderr]    |                     ^^ help: convert the identifier to snake case: `d_l`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `epoch`
[INFO] [stderr]    --> src/nn/network.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |         for epoch in 0..epochs {
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_epoch`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `LEARN_RATE`
[INFO] [stderr]   --> src/nn/network.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     const LEARN_RATE: f64 = 0.1;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dLs` should have a snake case name
[INFO] [stderr]   --> src/nn/network.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let dLs: Vec<_> = ypred
[INFO] [stderr]    |             ^^^ help: convert the identifier to snake case: `d_ls`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `dL` should have a snake case name
[INFO] [stderr]   --> src/nn/network.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 |             .map(|((dL, doutput), output)| {
[INFO] [stderr]    |                     ^^ help: convert the identifier to snake case: `d_l`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "34cf489c0a252f3de9ca07895d88afafb727db3011656aa1874d0cd011ecbbf0"`
[INFO] running `"docker" "rm" "-f" "34cf489c0a252f3de9ca07895d88afafb727db3011656aa1874d0cd011ecbbf0"`
[INFO] [stdout] 34cf489c0a252f3de9ca07895d88afafb727db3011656aa1874d0cd011ecbbf0