Dec 11 07:08:57.679 INFO checking tylerreisinger/neural-network-deep-learning against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 07:08:57.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 07:08:58.152 INFO [stdout] fcd16a148e7c65409f8e14a8ff20d4b44d74cc6c3885410e23200ac0d3bc8175
Dec 11 07:08:58.156 INFO running `"docker" "start" "-a" "fcd16a148e7c65409f8e14a8ff20d4b44d74cc6c3885410e23200ac0d3bc8175"`
Dec 11 07:08:59.429 INFO [stderr] usermod: no changes
Dec 11 07:08:59.494 INFO [stderr]     Checking neural_net v0.1.0 (/source)
Dec 11 07:08:59.808 INFO [stderr] warning: unused import: `super::*`
Dec 11 07:08:59.808 INFO [stderr]    --> src/mnist/idx.rs:402:9
Dec 11 07:08:59.808 INFO [stderr]     |
Dec 11 07:08:59.808 INFO [stderr] 402 |     use super::*;
Dec 11 07:08:59.808 INFO [stderr]     |         ^^^^^^^^
Dec 11 07:08:59.808 INFO [stderr]     |
Dec 11 07:08:59.808 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 11 07:08:59.808 INFO [stderr] 
Dec 11 07:09:00.000 INFO [stderr] warning: unused variable: `labels`
Dec 11 07:09:00.000 INFO [stderr]   --> src/main.rs:12:9
Dec 11 07:09:00.000 INFO [stderr]    |
Dec 11 07:09:00.000 INFO [stderr] 12 |     let labels = 
Dec 11 07:09:00.000 INFO [stderr]    |         ^^^^^^ help: consider using `_labels` instead
Dec 11 07:09:00.000 INFO [stderr]    |
Dec 11 07:09:00.000 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:09:00.000 INFO [stderr] 
Dec 11 07:09:00.000 INFO [stderr] warning: unused variable: `images`
Dec 11 07:09:00.000 INFO [stderr]   --> src/main.rs:14:9
Dec 11 07:09:00.000 INFO [stderr]    |
Dec 11 07:09:00.000 INFO [stderr] 14 |     let images = 
Dec 11 07:09:00.000 INFO [stderr]    |         ^^^^^^ help: consider using `_images` instead
Dec 11 07:09:00.000 INFO [stderr] 
Dec 11 07:09:00.044 INFO [stderr] warning: unused variable: `labels`
Dec 11 07:09:00.044 INFO [stderr]   --> src/main.rs:12:9
Dec 11 07:09:00.044 INFO [stderr]    |
Dec 11 07:09:00.044 INFO [stderr] 12 |     let labels = 
Dec 11 07:09:00.044 INFO [stderr]    |         ^^^^^^ help: consider using `_labels` instead
Dec 11 07:09:00.044 INFO [stderr]    |
Dec 11 07:09:00.044 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 07:09:00.044 INFO [stderr] 
Dec 11 07:09:00.044 INFO [stderr] warning: unused variable: `images`
Dec 11 07:09:00.044 INFO [stderr]   --> src/main.rs:14:9
Dec 11 07:09:00.044 INFO [stderr]    |
Dec 11 07:09:00.044 INFO [stderr] 14 |     let images = 
Dec 11 07:09:00.044 INFO [stderr]    |         ^^^^^^ help: consider using `_images` instead
Dec 11 07:09:00.044 INFO [stderr] 
Dec 11 07:09:00.148 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Dec 11 07:09:00.148 INFO [stderr] su: No module specific data is present
Dec 11 07:09:01.030 INFO running `"docker" "inspect" "fcd16a148e7c65409f8e14a8ff20d4b44d74cc6c3885410e23200ac0d3bc8175"`
Dec 11 07:09:01.308 INFO running `"docker" "rm" "-f" "fcd16a148e7c65409f8e14a8ff20d4b44d74cc6c3885410e23200ac0d3bc8175"`
Dec 11 07:09:01.633 INFO [stdout] fcd16a148e7c65409f8e14a8ff20d4b44d74cc6c3885410e23200ac0d3bc8175