Dec 04 20:47:38.508 INFO checking codec-abc/synacor-challenge-rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:47:38.508 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 20:47:38.883 INFO [stdout] 77c8727b5fba68213d122427e824ffa0ec01f5a27cfe265b59c01ad45a10d10b
Dec 04 20:47:38.889 INFO running `"docker" "start" "-a" "77c8727b5fba68213d122427e824ffa0ec01f5a27cfe265b59c01ad45a10d10b"`
Dec 04 20:47:40.318 INFO [stderr] usermod: no changes
Dec 04 20:47:40.427 INFO [stderr]     Checking synacor_challenge v0.1.0 (/source)
Dec 04 20:47:41.398 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.398 INFO [stderr]    --> src/opcode.rs:231:51
Dec 04 20:47:41.398 INFO [stderr]     |
Dec 04 20:47:41.398 INFO [stderr] 231 |     let register_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 04 20:47:41.398 INFO [stderr]     |                                                   ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.398 INFO [stderr]     |
Dec 04 20:47:41.403 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 20:47:41.403 INFO [stderr] 
Dec 04 20:47:41.403 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.403 INFO [stderr]    --> src/opcode.rs:232:48
Dec 04 20:47:41.403 INFO [stderr]     |
Dec 04 20:47:41.404 INFO [stderr] 232 |     let value_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 04 20:47:41.404 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.404 INFO [stderr] 
Dec 04 20:47:41.404 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.404 INFO [stderr]    --> src/opcode.rs:256:48
Dec 04 20:47:41.405 INFO [stderr]     |
Dec 04 20:47:41.405 INFO [stderr] 256 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 04 20:47:41.405 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.405 INFO [stderr] 
Dec 04 20:47:41.405 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.406 INFO [stderr]    --> src/opcode.rs:275:48
Dec 04 20:47:41.406 INFO [stderr]     |
Dec 04 20:47:41.406 INFO [stderr] 275 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 04 20:47:41.406 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.406 INFO [stderr] 
Dec 04 20:47:41.407 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.407 INFO [stderr]    --> src/opcode.rs:294:47
Dec 04 20:47:41.407 INFO [stderr]     |
Dec 04 20:47:41.407 INFO [stderr] 294 |     let cell_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 04 20:47:41.407 INFO [stderr]     |                                               ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.408 INFO [stderr] 
Dec 04 20:47:41.408 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.408 INFO [stderr]    --> src/opcode.rs:295:56
Dec 04 20:47:41.408 INFO [stderr]     |
Dec 04 20:47:41.408 INFO [stderr] 295 |     let first_operand_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 04 20:47:41.409 INFO [stderr]     |                                                        ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.409 INFO [stderr] 
Dec 04 20:47:41.409 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.409 INFO [stderr]    --> src/opcode.rs:296:57
Dec 04 20:47:41.409 INFO [stderr]     |
Dec 04 20:47:41.410 INFO [stderr] 296 |     let second_operand_result = read_mem_as_u16_le(mem, (offset + 3));
Dec 04 20:47:41.410 INFO [stderr]     |                                                         ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.410 INFO [stderr] 
Dec 04 20:47:41.491 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.491 INFO [stderr]    --> src/opcode.rs:231:51
Dec 04 20:47:41.491 INFO [stderr]     |
Dec 04 20:47:41.492 INFO [stderr] 231 |     let register_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 04 20:47:41.492 INFO [stderr]     |                                                   ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.492 INFO [stderr]     |
Dec 04 20:47:41.492 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 20:47:41.493 INFO [stderr] 
Dec 04 20:47:41.493 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.493 INFO [stderr]    --> src/opcode.rs:232:48
Dec 04 20:47:41.493 INFO [stderr]     |
Dec 04 20:47:41.494 INFO [stderr] 232 |     let value_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 04 20:47:41.494 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.494 INFO [stderr] 
Dec 04 20:47:41.495 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.495 INFO [stderr]    --> src/opcode.rs:256:48
Dec 04 20:47:41.495 INFO [stderr]     |
Dec 04 20:47:41.495 INFO [stderr] 256 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 04 20:47:41.496 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.496 INFO [stderr] 
Dec 04 20:47:41.496 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.497 INFO [stderr]    --> src/opcode.rs:275:48
Dec 04 20:47:41.497 INFO [stderr]     |
Dec 04 20:47:41.497 INFO [stderr] 275 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 04 20:47:41.497 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.497 INFO [stderr] 
Dec 04 20:47:41.498 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.498 INFO [stderr]    --> src/opcode.rs:294:47
Dec 04 20:47:41.498 INFO [stderr]     |
Dec 04 20:47:41.499 INFO [stderr] 294 |     let cell_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 04 20:47:41.499 INFO [stderr]     |                                               ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.499 INFO [stderr] 
Dec 04 20:47:41.500 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.500 INFO [stderr]    --> src/opcode.rs:295:56
Dec 04 20:47:41.500 INFO [stderr]     |
Dec 04 20:47:41.500 INFO [stderr] 295 |     let first_operand_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 04 20:47:41.501 INFO [stderr]     |                                                        ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.501 INFO [stderr] 
Dec 04 20:47:41.501 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 20:47:41.501 INFO [stderr]    --> src/opcode.rs:296:57
Dec 04 20:47:41.502 INFO [stderr]     |
Dec 04 20:47:41.502 INFO [stderr] 296 |     let second_operand_result = read_mem_as_u16_le(mem, (offset + 3));
Dec 04 20:47:41.502 INFO [stderr]     |                                                         ^^^^^^^^^^^^ help: remove these parentheses
Dec 04 20:47:41.502 INFO [stderr] 
Dec 04 20:47:41.780 INFO [stderr] warning: method is never used: `is_invalid_number`
Dec 04 20:47:41.780 INFO [stderr]    --> src/opcode.rs:838:5
Dec 04 20:47:41.780 INFO [stderr]     |
Dec 04 20:47:41.780 INFO [stderr] 838 |     pub fn is_invalid_number(&self) -> bool
Dec 04 20:47:41.780 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:47:41.780 INFO [stderr]     |
Dec 04 20:47:41.781 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 20:47:41.781 INFO [stderr] 
Dec 04 20:47:41.951 INFO [stderr] warning: method is never used: `is_invalid_number`
Dec 04 20:47:41.951 INFO [stderr]    --> src/opcode.rs:838:5
Dec 04 20:47:41.951 INFO [stderr]     |
Dec 04 20:47:41.951 INFO [stderr] 838 |     pub fn is_invalid_number(&self) -> bool
Dec 04 20:47:41.951 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:47:41.951 INFO [stderr]     |
Dec 04 20:47:41.951 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 20:47:41.951 INFO [stderr] 
Dec 04 20:47:42.027 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
Dec 04 20:47:42.030 INFO [stderr] su: No module specific data is present
Dec 04 20:47:42.952 INFO running `"docker" "inspect" "77c8727b5fba68213d122427e824ffa0ec01f5a27cfe265b59c01ad45a10d10b"`
Dec 04 20:47:43.155 INFO running `"docker" "rm" "-f" "77c8727b5fba68213d122427e824ffa0ec01f5a27cfe265b59c01ad45a10d10b"`
Dec 04 20:47:43.378 INFO [stdout] 77c8727b5fba68213d122427e824ffa0ec01f5a27cfe265b59c01ad45a10d10b