Dec 11 20:41:26.065 INFO checking codec-abc/synacor-challenge-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 20:41:26.065 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 20:41:26.462 INFO [stdout] 77242838d51fc40606f958154556e9e59d1e38c1023f89c632b4980c1724afba
Dec 11 20:41:26.464 INFO running `"docker" "start" "-a" "77242838d51fc40606f958154556e9e59d1e38c1023f89c632b4980c1724afba"`
Dec 11 20:41:27.834 INFO [stderr] usermod: no changes
Dec 11 20:41:27.898 INFO [stderr]     Checking synacor_challenge v0.1.0 (/source)
Dec 11 20:41:28.491 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.491 INFO [stderr]    --> src/opcode.rs:231:51
Dec 11 20:41:28.491 INFO [stderr]     |
Dec 11 20:41:28.491 INFO [stderr] 231 |     let register_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 11 20:41:28.491 INFO [stderr]     |                                                   ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.491 INFO [stderr]     |
Dec 11 20:41:28.491 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 20:41:28.491 INFO [stderr] 
Dec 11 20:41:28.491 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.491 INFO [stderr]    --> src/opcode.rs:232:48
Dec 11 20:41:28.491 INFO [stderr]     |
Dec 11 20:41:28.491 INFO [stderr] 232 |     let value_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 11 20:41:28.491 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.491 INFO [stderr] 
Dec 11 20:41:28.491 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.491 INFO [stderr]    --> src/opcode.rs:256:48
Dec 11 20:41:28.491 INFO [stderr]     |
Dec 11 20:41:28.491 INFO [stderr] 256 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 11 20:41:28.491 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.491 INFO [stderr] 
Dec 11 20:41:28.491 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.491 INFO [stderr]    --> src/opcode.rs:275:48
Dec 11 20:41:28.491 INFO [stderr]     |
Dec 11 20:41:28.492 INFO [stderr] 275 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 11 20:41:28.492 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.492 INFO [stderr] 
Dec 11 20:41:28.492 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.492 INFO [stderr]    --> src/opcode.rs:294:47
Dec 11 20:41:28.492 INFO [stderr]     |
Dec 11 20:41:28.492 INFO [stderr] 294 |     let cell_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 11 20:41:28.492 INFO [stderr]     |                                               ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.492 INFO [stderr] 
Dec 11 20:41:28.492 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.492 INFO [stderr]    --> src/opcode.rs:295:56
Dec 11 20:41:28.492 INFO [stderr]     |
Dec 11 20:41:28.492 INFO [stderr] 295 |     let first_operand_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 11 20:41:28.492 INFO [stderr]     |                                                        ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.492 INFO [stderr] 
Dec 11 20:41:28.492 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.492 INFO [stderr]    --> src/opcode.rs:296:57
Dec 11 20:41:28.492 INFO [stderr]     |
Dec 11 20:41:28.492 INFO [stderr] 296 |     let second_operand_result = read_mem_as_u16_le(mem, (offset + 3));
Dec 11 20:41:28.492 INFO [stderr]     |                                                         ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.492 INFO [stderr] 
Dec 11 20:41:28.556 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.556 INFO [stderr]    --> src/opcode.rs:231:51
Dec 11 20:41:28.556 INFO [stderr]     |
Dec 11 20:41:28.556 INFO [stderr] 231 |     let register_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 11 20:41:28.556 INFO [stderr]     |                                                   ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.556 INFO [stderr]     |
Dec 11 20:41:28.556 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 20:41:28.556 INFO [stderr] 
Dec 11 20:41:28.556 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.556 INFO [stderr]    --> src/opcode.rs:232:48
Dec 11 20:41:28.556 INFO [stderr]     |
Dec 11 20:41:28.556 INFO [stderr] 232 |     let value_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 11 20:41:28.556 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.556 INFO [stderr] 
Dec 11 20:41:28.556 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.556 INFO [stderr]    --> src/opcode.rs:256:48
Dec 11 20:41:28.556 INFO [stderr]     |
Dec 11 20:41:28.556 INFO [stderr] 256 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 11 20:41:28.556 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.556 INFO [stderr] 
Dec 11 20:41:28.556 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.556 INFO [stderr]    --> src/opcode.rs:275:48
Dec 11 20:41:28.556 INFO [stderr]     |
Dec 11 20:41:28.556 INFO [stderr] 275 |     let value_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 11 20:41:28.556 INFO [stderr]     |                                                ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.556 INFO [stderr] 
Dec 11 20:41:28.556 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.556 INFO [stderr]    --> src/opcode.rs:294:47
Dec 11 20:41:28.556 INFO [stderr]     |
Dec 11 20:41:28.556 INFO [stderr] 294 |     let cell_result = read_mem_as_u16_le(mem, (offset + 1));
Dec 11 20:41:28.556 INFO [stderr]     |                                               ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.556 INFO [stderr] 
Dec 11 20:41:28.556 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.556 INFO [stderr]    --> src/opcode.rs:295:56
Dec 11 20:41:28.556 INFO [stderr]     |
Dec 11 20:41:28.556 INFO [stderr] 295 |     let first_operand_result = read_mem_as_u16_le(mem, (offset + 2));
Dec 11 20:41:28.556 INFO [stderr]     |                                                        ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.556 INFO [stderr] 
Dec 11 20:41:28.556 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 20:41:28.556 INFO [stderr]    --> src/opcode.rs:296:57
Dec 11 20:41:28.556 INFO [stderr]     |
Dec 11 20:41:28.557 INFO [stderr] 296 |     let second_operand_result = read_mem_as_u16_le(mem, (offset + 3));
Dec 11 20:41:28.557 INFO [stderr]     |                                                         ^^^^^^^^^^^^ help: remove these parentheses
Dec 11 20:41:28.557 INFO [stderr] 
Dec 11 20:41:28.783 INFO [stderr] warning: method is never used: `is_invalid_number`
Dec 11 20:41:28.783 INFO [stderr]    --> src/opcode.rs:838:5
Dec 11 20:41:28.783 INFO [stderr]     |
Dec 11 20:41:28.783 INFO [stderr] 838 |     pub fn is_invalid_number(&self) -> bool
Dec 11 20:41:28.784 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:41:28.784 INFO [stderr]     |
Dec 11 20:41:28.784 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 20:41:28.784 INFO [stderr] 
Dec 11 20:41:28.818 INFO [stderr] warning: method is never used: `is_invalid_number`
Dec 11 20:41:28.818 INFO [stderr]    --> src/opcode.rs:838:5
Dec 11 20:41:28.818 INFO [stderr]     |
Dec 11 20:41:28.818 INFO [stderr] 838 |     pub fn is_invalid_number(&self) -> bool
Dec 11 20:41:28.818 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:41:28.818 INFO [stderr]     |
Dec 11 20:41:28.818 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 20:41:28.818 INFO [stderr] 
Dec 11 20:41:28.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 11 20:41:28.843 INFO [stderr] su: No module specific data is present
Dec 11 20:41:29.234 INFO running `"docker" "inspect" "77242838d51fc40606f958154556e9e59d1e38c1023f89c632b4980c1724afba"`
Dec 11 20:41:29.367 INFO running `"docker" "rm" "-f" "77242838d51fc40606f958154556e9e59d1e38c1023f89c632b4980c1724afba"`
Dec 11 20:41:29.489 INFO [stdout] 77242838d51fc40606f958154556e9e59d1e38c1023f89c632b4980c1724afba