Dec 11 05:16:41.699 INFO checking zackmdavis/Machine_Numeral_Identification_and_Sorting_Task against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 05:16:41.700 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 05:16:41.886 INFO [stdout] 86ade8424feae2c42908b44bcd47cf87d1aaafef6a88a4fecb18d3111bf49925
Dec 11 05:16:41.890 INFO running `"docker" "start" "-a" "86ade8424feae2c42908b44bcd47cf87d1aaafef6a88a4fecb18d3111bf49925"`
Dec 11 05:16:42.416 INFO [stderr] usermod: no changes
Dec 11 05:16:42.554 INFO [stderr]     Checking num-traits v0.1.41
Dec 11 05:16:42.559 INFO [stderr]    Compiling matrixmultiply v0.1.14
Dec 11 05:16:42.559 INFO [stderr]     Checking rawpointer v0.1.0
Dec 11 05:16:42.575 INFO [stderr]     Checking libc v0.2.34
Dec 11 05:16:42.575 INFO [stderr]     Checking byteorder v1.2.1
Dec 11 05:16:43.732 INFO [stderr]     Checking mnist v0.4.0
Dec 11 05:16:44.121 INFO [stderr]     Checking num-integer v0.1.35
Dec 11 05:16:44.202 INFO [stderr]     Checking rand v0.3.18
Dec 11 05:16:44.488 INFO [stderr]     Checking num-iter v0.1.34
Dec 11 05:16:44.641 INFO [stderr]     Checking num v0.1.41
Dec 11 05:16:44.727 INFO [stderr]     Checking rulinalg v0.3.7
Dec 11 05:16:47.026 INFO [stderr]     Checking rusty-machine v0.5.4
Dec 11 05:16:48.303 INFO [stderr]     Checking machine_numeral_identification_and_sorting_task v0.0.1 (/source)
Dec 11 05:16:48.600 INFO [stderr] warning: variant is never constructed: `Test`
Dec 11 05:16:48.600 INFO [stderr]   --> src/main.rs:19:5
Dec 11 05:16:48.600 INFO [stderr]    |
Dec 11 05:16:48.600 INFO [stderr] 19 |     Test
Dec 11 05:16:48.600 INFO [stderr]    |     ^^^^
Dec 11 05:16:48.600 INFO [stderr]    |
Dec 11 05:16:48.600 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 05:16:48.600 INFO [stderr] 
Dec 11 05:16:48.600 INFO [stderr] warning: method is never used: `digit`
Dec 11 05:16:48.600 INFO [stderr]   --> src/main.rs:31:5
Dec 11 05:16:48.600 INFO [stderr]    |
Dec 11 05:16:48.600 INFO [stderr] 31 |     fn digit(&self, set: Set, index: usize) -> Digit {
Dec 11 05:16:48.600 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 05:16:48.600 INFO [stderr] 
Dec 11 05:16:48.661 INFO [stderr] warning: variant is never constructed: `Test`
Dec 11 05:16:48.661 INFO [stderr]   --> src/main.rs:19:5
Dec 11 05:16:48.661 INFO [stderr]    |
Dec 11 05:16:48.661 INFO [stderr] 19 |     Test
Dec 11 05:16:48.661 INFO [stderr]    |     ^^^^
Dec 11 05:16:48.661 INFO [stderr]    |
Dec 11 05:16:48.661 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 05:16:48.661 INFO [stderr] 
Dec 11 05:16:48.672 INFO [stderr] warning: method is never used: `digit`
Dec 11 05:16:48.672 INFO [stderr]   --> src/main.rs:31:5
Dec 11 05:16:48.672 INFO [stderr]    |
Dec 11 05:16:48.672 INFO [stderr] 31 |     fn digit(&self, set: Set, index: usize) -> Digit {
Dec 11 05:16:48.672 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 05:16:48.672 INFO [stderr] 
Dec 11 05:16:48.728 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
Dec 11 05:16:48.728 INFO [stderr] su: No module specific data is present
Dec 11 05:16:49.584 INFO running `"docker" "inspect" "86ade8424feae2c42908b44bcd47cf87d1aaafef6a88a4fecb18d3111bf49925"`
Dec 11 05:16:49.940 INFO running `"docker" "rm" "-f" "86ade8424feae2c42908b44bcd47cf87d1aaafef6a88a4fecb18d3111bf49925"`
Dec 11 05:16:50.244 INFO [stdout] 86ade8424feae2c42908b44bcd47cf87d1aaafef6a88a4fecb18d3111bf49925