Dec 12 07:38:18.958 INFO checking shamir-1.0.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 07:38:18.959 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 07:38:19.148 INFO [stdout] e3a80041fe3fdbe6542c098ce62d991bc500dbc24603e188f31ec28753c984bb
Dec 12 07:38:19.154 INFO running `"docker" "start" "-a" "e3a80041fe3fdbe6542c098ce62d991bc500dbc24603e188f31ec28753c984bb"`
Dec 12 07:38:19.900 INFO [stderr] usermod: no changes
Dec 12 07:38:19.941 INFO [stderr]     Checking shamir v1.0.2 (/source)
Dec 12 07:38:20.380 INFO [stderr] warning: unused import: `super::SecretData`
Dec 12 07:38:20.380 INFO [stderr]  --> src/lib.rs:6:9
Dec 12 07:38:20.380 INFO [stderr]   |
Dec 12 07:38:20.380 INFO [stderr] 6 |     use super::SecretData;
Dec 12 07:38:20.380 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^
Dec 12 07:38:20.380 INFO [stderr]   |
Dec 12 07:38:20.380 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 07:38:20.380 INFO [stderr] 
Dec 12 07:38:20.380 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 07:38:20.380 INFO [stderr]    --> src/lib.rs:279:33
Dec 12 07:38:20.380 INFO [stderr]     |
Dec 12 07:38:20.380 INFO [stderr] 279 |             let mut t = vec![0; (b.len() - a.len())];
Dec 12 07:38:20.380 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 07:38:20.382 INFO [stderr]     |
Dec 12 07:38:20.382 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 07:38:20.382 INFO [stderr] 
Dec 12 07:38:20.383 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 07:38:20.383 INFO [stderr]    --> src/lib.rs:282:33
Dec 12 07:38:20.383 INFO [stderr]     |
Dec 12 07:38:20.383 INFO [stderr] 282 |             let mut t = vec![0; (a.len() - b.len())];
Dec 12 07:38:20.383 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 07:38:20.383 INFO [stderr] 
Dec 12 07:38:20.594 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 07:38:20.594 INFO [stderr]    --> src/lib.rs:279:33
Dec 12 07:38:20.594 INFO [stderr]     |
Dec 12 07:38:20.594 INFO [stderr] 279 |             let mut t = vec![0; (b.len() - a.len())];
Dec 12 07:38:20.594 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 07:38:20.594 INFO [stderr]     |
Dec 12 07:38:20.594 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 07:38:20.595 INFO [stderr] 
Dec 12 07:38:20.595 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 12 07:38:20.595 INFO [stderr]    --> src/lib.rs:282:33
Dec 12 07:38:20.595 INFO [stderr]     |
Dec 12 07:38:20.595 INFO [stderr] 282 |             let mut t = vec![0; (a.len() - b.len())];
Dec 12 07:38:20.595 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 07:38:20.595 INFO [stderr] 
Dec 12 07:38:21.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 12 07:38:21.144 INFO [stderr] su: No module specific data is present
Dec 12 07:38:21.470 INFO running `"docker" "inspect" "e3a80041fe3fdbe6542c098ce62d991bc500dbc24603e188f31ec28753c984bb"`
Dec 12 07:38:21.656 INFO running `"docker" "rm" "-f" "e3a80041fe3fdbe6542c098ce62d991bc500dbc24603e188f31ec28753c984bb"`
Dec 12 07:38:21.980 INFO [stdout] e3a80041fe3fdbe6542c098ce62d991bc500dbc24603e188f31ec28753c984bb