Dec 04 12:46:14.776 INFO checking owensc84/synacor against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 12:46:14.776 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 12:46:15.088 INFO [stdout] 8671c603f26f80f927853d6a851cb52847d4b8fed87a6a8f35d05e63ff931611
Dec 04 12:46:15.093 INFO running `"docker" "start" "-a" "8671c603f26f80f927853d6a851cb52847d4b8fed87a6a8f35d05e63ff931611"`
Dec 04 12:46:15.456 INFO [stderr] usermod: no changes
Dec 04 12:46:15.494 INFO [stderr]     Checking synacor v0.1.0 (/source)
Dec 04 12:46:15.671 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 12:46:15.671 INFO [stderr]    --> src/main.rs:168:16
Dec 04 12:46:15.671 INFO [stderr]     |
Dec 04 12:46:15.671 INFO [stderr] 168 |             traceptr &= (TRACE_SIZE-1);
Dec 04 12:46:15.671 INFO [stderr]     |                         ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 12:46:15.671 INFO [stderr]     |
Dec 04 12:46:15.671 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 12:46:15.671 INFO [stderr] 
Dec 04 12:46:15.671 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 12:46:15.671 INFO [stderr]    --> src/main.rs:349:28
Dec 04 12:46:15.671 INFO [stderr]     |
Dec 04 12:46:15.671 INFO [stderr] 349 |                             register[reg_num] = (get_val(b, &register) & get_val(c, &register));
Dec 04 12:46:15.671 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 12:46:15.671 INFO [stderr] 
Dec 04 12:46:15.671 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 12:46:15.671 INFO [stderr]    --> src/main.rs:364:28
Dec 04 12:46:15.671 INFO [stderr]     |
Dec 04 12:46:15.671 INFO [stderr] 364 |                             register[reg_num] = (get_val(b, &register) | get_val(c, &register));
Dec 04 12:46:15.671 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 12:46:15.671 INFO [stderr] 
Dec 04 12:46:15.684 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 12:46:15.684 INFO [stderr]    --> src/main.rs:168:16
Dec 04 12:46:15.684 INFO [stderr]     |
Dec 04 12:46:15.684 INFO [stderr] 168 |             traceptr &= (TRACE_SIZE-1);
Dec 04 12:46:15.684 INFO [stderr]     |                         ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 12:46:15.684 INFO [stderr]     |
Dec 04 12:46:15.684 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 12:46:15.684 INFO [stderr] 
Dec 04 12:46:15.684 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 12:46:15.684 INFO [stderr]    --> src/main.rs:349:28
Dec 04 12:46:15.684 INFO [stderr]     |
Dec 04 12:46:15.684 INFO [stderr] 349 |                             register[reg_num] = (get_val(b, &register) & get_val(c, &register));
Dec 04 12:46:15.684 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 12:46:15.684 INFO [stderr] 
Dec 04 12:46:15.686 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 12:46:15.687 INFO [stderr]    --> src/main.rs:364:28
Dec 04 12:46:15.687 INFO [stderr]     |
Dec 04 12:46:15.687 INFO [stderr] 364 |                             register[reg_num] = (get_val(b, &register) | get_val(c, &register));
Dec 04 12:46:15.687 INFO [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 12:46:15.687 INFO [stderr] 
Dec 04 12:46:15.804 INFO [stderr] warning: unused variable: `pc`
Dec 04 12:46:15.804 INFO [stderr]   --> src/main.rs:96:58
Dec 04 12:46:15.804 INFO [stderr]    |
Dec 04 12:46:15.804 INFO [stderr] 96 | fn call_trace(v: &[usize], ptr: usize, memory: Vec<u16>, pc: usize, register:&Vec<u16>) {
Dec 04 12:46:15.804 INFO [stderr]    |                                                          ^^ help: consider using `_pc` instead
Dec 04 12:46:15.804 INFO [stderr]    |
Dec 04 12:46:15.804 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 12:46:15.804 INFO [stderr] 
Dec 04 12:46:15.805 INFO [stderr] warning: value assigned to `exs` is never read
Dec 04 12:46:15.805 INFO [stderr]    --> src/main.rs:154:11
Dec 04 12:46:15.805 INFO [stderr]     |
Dec 04 12:46:15.805 INFO [stderr] 154 |         let mut exs: i32 = 0;
Dec 04 12:46:15.805 INFO [stderr]     |                 ^^^
Dec 04 12:46:15.805 INFO [stderr]     |
Dec 04 12:46:15.805 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 04 12:46:15.805 INFO [stderr] 
Dec 04 12:46:15.807 INFO [stderr] warning: unused variable: `pc`
Dec 04 12:46:15.807 INFO [stderr]   --> src/main.rs:96:58
Dec 04 12:46:15.807 INFO [stderr]    |
Dec 04 12:46:15.807 INFO [stderr] 96 | fn call_trace(v: &[usize], ptr: usize, memory: Vec<u16>, pc: usize, register:&Vec<u16>) {
Dec 04 12:46:15.807 INFO [stderr]    |                                                          ^^ help: consider using `_pc` instead
Dec 04 12:46:15.807 INFO [stderr]    |
Dec 04 12:46:15.807 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 12:46:15.807 INFO [stderr] 
Dec 04 12:46:15.812 INFO [stderr] warning: value assigned to `exs` is never read
Dec 04 12:46:15.812 INFO [stderr]    --> src/main.rs:154:11
Dec 04 12:46:15.812 INFO [stderr]     |
Dec 04 12:46:15.812 INFO [stderr] 154 |         let mut exs: i32 = 0;
Dec 04 12:46:15.812 INFO [stderr]     |                 ^^^
Dec 04 12:46:15.812 INFO [stderr]     |
Dec 04 12:46:15.812 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 04 12:46:15.812 INFO [stderr] 
Dec 04 12:46:15.842 INFO [stderr] warning: function is never used: `is_reg`
Dec 04 12:46:15.842 INFO [stderr]   --> src/main.rs:22:1
Dec 04 12:46:15.842 INFO [stderr]    |
Dec 04 12:46:15.842 INFO [stderr] 22 | fn is_reg(operand: u16) -> bool {
Dec 04 12:46:15.842 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:46:15.842 INFO [stderr]    |
Dec 04 12:46:15.842 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:46:15.842 INFO [stderr] 
Dec 04 12:46:15.842 INFO [stderr] warning: variable `totalExecutions` should have a snake case name such as `total_executions`
Dec 04 12:46:15.842 INFO [stderr]    --> src/main.rs:145:6
Dec 04 12:46:15.842 INFO [stderr]     |
Dec 04 12:46:15.842 INFO [stderr] 145 |     let mut totalExecutions = 0;
Dec 04 12:46:15.842 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 04 12:46:15.842 INFO [stderr]     |
Dec 04 12:46:15.842 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 04 12:46:15.842 INFO [stderr] 
Dec 04 12:46:15.847 INFO [stderr] warning: function is never used: `is_reg`
Dec 04 12:46:15.847 INFO [stderr]   --> src/main.rs:22:1
Dec 04 12:46:15.847 INFO [stderr]    |
Dec 04 12:46:15.847 INFO [stderr] 22 | fn is_reg(operand: u16) -> bool {
Dec 04 12:46:15.847 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:46:15.847 INFO [stderr]    |
Dec 04 12:46:15.847 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:46:15.847 INFO [stderr] 
Dec 04 12:46:15.848 INFO [stderr] warning: variable `totalExecutions` should have a snake case name such as `total_executions`
Dec 04 12:46:15.848 INFO [stderr]    --> src/main.rs:145:6
Dec 04 12:46:15.848 INFO [stderr]     |
Dec 04 12:46:15.848 INFO [stderr] 145 |     let mut totalExecutions = 0;
Dec 04 12:46:15.848 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^
Dec 04 12:46:15.848 INFO [stderr]     |
Dec 04 12:46:15.848 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 04 12:46:15.848 INFO [stderr] 
Dec 04 12:46:15.865 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 04 12:46:15.865 INFO [stderr] su: No module specific data is present
Dec 04 12:46:16.163 INFO running `"docker" "inspect" "8671c603f26f80f927853d6a851cb52847d4b8fed87a6a8f35d05e63ff931611"`
Dec 04 12:46:16.270 INFO running `"docker" "rm" "-f" "8671c603f26f80f927853d6a851cb52847d4b8fed87a6a8f35d05e63ff931611"`
Dec 04 12:46:16.370 INFO [stdout] 8671c603f26f80f927853d6a851cb52847d4b8fed87a6a8f35d05e63ff931611