Dec 12 01:22:18.527 INFO checking Mitchell-Nuckols/corner-detection against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:22:18.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 12 01:22:18.728 INFO [stdout] a5fddb884092741284002cf1305d1f350d22b0fce8f1d67bf1a5839ab3f9fb23
Dec 12 01:22:18.734 INFO running `"docker" "start" "-a" "a5fddb884092741284002cf1305d1f350d22b0fce8f1d67bf1a5839ab3f9fb23"`
Dec 12 01:22:19.398 INFO [stderr] usermod: no changes
Dec 12 01:22:19.520 INFO [stderr]    Compiling num-derive v0.2.3
Dec 12 01:22:25.536 INFO [stderr]     Checking tiff v0.2.1
Dec 12 01:22:26.646 INFO [stderr]     Checking image v0.20.1
Dec 12 01:22:33.332 INFO [stderr]     Checking corner-detection v0.1.0 (/source)
Dec 12 01:22:36.525 INFO [stderr] warning: unused import: `std::num::*`
Dec 12 01:22:36.525 INFO [stderr]  --> src/main.rs:4:5
Dec 12 01:22:36.525 INFO [stderr]   |
Dec 12 01:22:36.526 INFO [stderr] 4 | use std::num::*;
Dec 12 01:22:36.526 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 01:22:36.526 INFO [stderr]   |
Dec 12 01:22:36.527 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:22:36.527 INFO [stderr] 
Dec 12 01:22:36.527 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 01:22:36.527 INFO [stderr]   --> src/main.rs:25:24
Dec 12 01:22:36.527 INFO [stderr]    |
Dec 12 01:22:36.527 INFO [stderr] 25 |                     if (x * y == img.width() * img.height()) {break;}
Dec 12 01:22:36.527 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 01:22:36.527 INFO [stderr]    |
Dec 12 01:22:36.527 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 01:22:36.527 INFO [stderr] 
Dec 12 01:22:36.527 INFO [stderr] warning: unused import: `ops::*`
Dec 12 01:22:36.527 INFO [stderr]   --> src/main.rs:72:5
Dec 12 01:22:36.528 INFO [stderr]    |
Dec 12 01:22:36.528 INFO [stderr] 72 | use ops::*;
Dec 12 01:22:36.528 INFO [stderr]    |     ^^^^^^
Dec 12 01:22:36.528 INFO [stderr] 
Dec 12 01:22:36.664 INFO [stderr] warning: variable `mat_sum` is assigned to, but never used
Dec 12 01:22:36.664 INFO [stderr]   --> src/main.rs:12:21
Dec 12 01:22:36.664 INFO [stderr]    |
Dec 12 01:22:36.664 INFO [stderr] 12 |             let mut mat_sum: f32 = 0.0;
Dec 12 01:22:36.664 INFO [stderr]    |                     ^^^^^^^
Dec 12 01:22:36.664 INFO [stderr]    |
Dec 12 01:22:36.664 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 01:22:36.664 INFO [stderr]    = note: consider using `_mat_sum` instead
Dec 12 01:22:36.664 INFO [stderr] 
Dec 12 01:22:37.072 INFO [stderr] warning: unused import: `std::num::*`
Dec 12 01:22:37.072 INFO [stderr]  --> src/main.rs:4:5
Dec 12 01:22:37.072 INFO [stderr]   |
Dec 12 01:22:37.072 INFO [stderr] 4 | use std::num::*;
Dec 12 01:22:37.072 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 01:22:37.072 INFO [stderr]   |
Dec 12 01:22:37.072 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 01:22:37.072 INFO [stderr] 
Dec 12 01:22:37.072 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 12 01:22:37.072 INFO [stderr]   --> src/main.rs:25:24
Dec 12 01:22:37.072 INFO [stderr]    |
Dec 12 01:22:37.072 INFO [stderr] 25 |                     if (x * y == img.width() * img.height()) {break;}
Dec 12 01:22:37.072 INFO [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 01:22:37.072 INFO [stderr]    |
Dec 12 01:22:37.072 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 12 01:22:37.072 INFO [stderr] 
Dec 12 01:22:37.072 INFO [stderr] warning: unused import: `ops::*`
Dec 12 01:22:37.072 INFO [stderr]   --> src/main.rs:72:5
Dec 12 01:22:37.072 INFO [stderr]    |
Dec 12 01:22:37.072 INFO [stderr] 72 | use ops::*;
Dec 12 01:22:37.072 INFO [stderr]    |     ^^^^^^
Dec 12 01:22:37.072 INFO [stderr] 
Dec 12 01:22:37.159 INFO [stderr] warning: variable `mat_sum` is assigned to, but never used
Dec 12 01:22:37.159 INFO [stderr]   --> src/main.rs:12:21
Dec 12 01:22:37.159 INFO [stderr]    |
Dec 12 01:22:37.159 INFO [stderr] 12 |             let mut mat_sum: f32 = 0.0;
Dec 12 01:22:37.159 INFO [stderr]    |                     ^^^^^^^
Dec 12 01:22:37.159 INFO [stderr]    |
Dec 12 01:22:37.159 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 01:22:37.159 INFO [stderr]    = note: consider using `_mat_sum` instead
Dec 12 01:22:37.159 INFO [stderr] 
Dec 12 01:22:37.192 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.77s
Dec 12 01:22:37.194 INFO [stderr] su: No module specific data is present
Dec 12 01:22:37.896 INFO running `"docker" "inspect" "a5fddb884092741284002cf1305d1f350d22b0fce8f1d67bf1a5839ab3f9fb23"`
Dec 12 01:22:38.140 INFO running `"docker" "rm" "-f" "a5fddb884092741284002cf1305d1f350d22b0fce8f1d67bf1a5839ab3f9fb23"`
Dec 12 01:22:38.692 INFO [stdout] a5fddb884092741284002cf1305d1f350d22b0fce8f1d67bf1a5839ab3f9fb23