Dec 19 18:53:06.403 INFO checking codec-abc/synacor-challenge-rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:53:06.403 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/codec-abc/synacor-challenge-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:53:06.632 INFO [stdout] 9484cb576f61ec32eaace8b8f2c8edb53a5e2d3d9490ef82c68b8de99319a69a
Dec 19 18:53:06.636 INFO running `"docker" "start" "-a" "9484cb576f61ec32eaace8b8f2c8edb53a5e2d3d9490ef82c68b8de99319a69a"`
Dec 19 18:53:07.612 INFO [stderr]     Checking synacor_challenge v0.1.0 (/opt/crater/workdir)
Dec 19 18:53:08.332 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.332 INFO [stderr]    --> src/opcode.rs:231:51
Dec 19 18:53:08.332 INFO [stderr]     |
Dec 19 18:53:08.332 INFO [stderr] 231 |     let register_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 19 18:53:08.332 INFO [stderr]     |                                                   ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.332 INFO [stderr]     |
Dec 19 18:53:08.332 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 18:53:08.332 INFO [stderr] 
Dec 19 18:53:08.332 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.332 INFO [stderr]    --> src/opcode.rs:232:48
Dec 19 18:53:08.332 INFO [stderr]     |
Dec 19 18:53:08.332 INFO [stderr] 232 |     let value_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 19 18:53:08.332 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.333 INFO [stderr] 
Dec 19 18:53:08.339 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.339 INFO [stderr]    --> src/opcode.rs:256:48
Dec 19 18:53:08.339 INFO [stderr]     |
Dec 19 18:53:08.339 INFO [stderr] 256 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 19 18:53:08.339 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.339 INFO [stderr] 
Dec 19 18:53:08.339 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.339 INFO [stderr]    --> src/opcode.rs:275:48
Dec 19 18:53:08.339 INFO [stderr]     |
Dec 19 18:53:08.339 INFO [stderr] 275 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 19 18:53:08.339 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.339 INFO [stderr] 
Dec 19 18:53:08.339 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.339 INFO [stderr]    --> src/opcode.rs:294:47
Dec 19 18:53:08.339 INFO [stderr]     |
Dec 19 18:53:08.339 INFO [stderr] 294 |     let cell_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 19 18:53:08.339 INFO [stderr]     |                                               ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.339 INFO [stderr] 
Dec 19 18:53:08.340 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.340 INFO [stderr]    --> src/opcode.rs:295:56
Dec 19 18:53:08.340 INFO [stderr]     |
Dec 19 18:53:08.340 INFO [stderr] 295 |     let first_operand_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 19 18:53:08.340 INFO [stderr]     |                                                        ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.340 INFO [stderr] 
Dec 19 18:53:08.340 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.340 INFO [stderr]    --> src/opcode.rs:296:57
Dec 19 18:53:08.340 INFO [stderr]     |
Dec 19 18:53:08.340 INFO [stderr] 296 |     let second_operand_result = read_mem_as_u16_le(mem, (offset + 3));
Dec 19 18:53:08.340 INFO [stderr]     |                                                         ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.340 INFO [stderr] 
Dec 19 18:53:08.376 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.376 INFO [stderr]    --> src/opcode.rs:231:51
Dec 19 18:53:08.376 INFO [stderr]     |
Dec 19 18:53:08.376 INFO [stderr] 231 |     let register_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 19 18:53:08.376 INFO [stderr]     |                                                   ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.376 INFO [stderr]     |
Dec 19 18:53:08.376 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 19 18:53:08.376 INFO [stderr] 
Dec 19 18:53:08.376 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.376 INFO [stderr]    --> src/opcode.rs:232:48
Dec 19 18:53:08.376 INFO [stderr]     |
Dec 19 18:53:08.376 INFO [stderr] 232 |     let value_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 19 18:53:08.376 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.376 INFO [stderr] 
Dec 19 18:53:08.376 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.376 INFO [stderr]    --> src/opcode.rs:256:48
Dec 19 18:53:08.377 INFO [stderr]     |
Dec 19 18:53:08.377 INFO [stderr] 256 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 19 18:53:08.377 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.377 INFO [stderr] 
Dec 19 18:53:08.377 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.377 INFO [stderr]    --> src/opcode.rs:275:48
Dec 19 18:53:08.377 INFO [stderr]     |
Dec 19 18:53:08.377 INFO [stderr] 275 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 19 18:53:08.377 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.377 INFO [stderr] 
Dec 19 18:53:08.377 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.377 INFO [stderr]    --> src/opcode.rs:294:47
Dec 19 18:53:08.377 INFO [stderr]     |
Dec 19 18:53:08.377 INFO [stderr] 294 |     let cell_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 19 18:53:08.377 INFO [stderr]     |                                               ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.377 INFO [stderr] 
Dec 19 18:53:08.377 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.377 INFO [stderr]    --> src/opcode.rs:295:56
Dec 19 18:53:08.377 INFO [stderr]     |
Dec 19 18:53:08.377 INFO [stderr] 295 |     let first_operand_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 19 18:53:08.377 INFO [stderr]     |                                                        ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.377 INFO [stderr] 
Dec 19 18:53:08.377 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 19 18:53:08.377 INFO [stderr]    --> src/opcode.rs:296:57
Dec 19 18:53:08.377 INFO [stderr]     |
Dec 19 18:53:08.377 INFO [stderr] 296 |     let second_operand_result = read_mem_as_u16_le(mem, (offset + 3));
Dec 19 18:53:08.377 INFO [stderr]     |                                                         ^^^^^^^^^^^^ help: remove these parentheses
Dec 19 18:53:08.377 INFO [stderr] 
Dec 19 18:53:08.926 INFO [stderr] warning: method is never used: `is_invalid_number`
Dec 19 18:53:08.926 INFO [stderr]    --> src/opcode.rs:838:5
Dec 19 18:53:08.926 INFO [stderr]     |
Dec 19 18:53:08.926 INFO [stderr] 838 |     pub fn is_invalid_number(&self) -> bool
Dec 19 18:53:08.926 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:53:08.926 INFO [stderr]     |
Dec 19 18:53:08.926 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 18:53:08.926 INFO [stderr] 
Dec 19 18:53:08.962 INFO [stderr] warning: method is never used: `is_invalid_number`
Dec 19 18:53:08.962 INFO [stderr]    --> src/opcode.rs:838:5
Dec 19 18:53:08.962 INFO [stderr]     |
Dec 19 18:53:08.962 INFO [stderr] 838 |     pub fn is_invalid_number(&self) -> bool
Dec 19 18:53:08.962 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:53:08.963 INFO [stderr]     |
Dec 19 18:53:08.963 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 18:53:08.963 INFO [stderr] 
Dec 19 18:53:09.045 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Dec 19 18:53:09.836 INFO running `"docker" "inspect" "9484cb576f61ec32eaace8b8f2c8edb53a5e2d3d9490ef82c68b8de99319a69a"`
Dec 19 18:53:10.140 INFO running `"docker" "rm" "-f" "9484cb576f61ec32eaace8b8f2c8edb53a5e2d3d9490ef82c68b8de99319a69a"`
Dec 19 18:53:10.567 INFO [stdout] 9484cb576f61ec32eaace8b8f2c8edb53a5e2d3d9490ef82c68b8de99319a69a