Dec 11 15:09:20.029 INFO checking kriw/regex_vm against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 15:09:20.029 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 11 15:09:20.438 INFO [stdout] 5c8fda26240ebfbdc254a45436f1096306167eff6679767d20e57690b5b9cf5f
Dec 11 15:09:20.440 INFO running `"docker" "start" "-a" "5c8fda26240ebfbdc254a45436f1096306167eff6679767d20e57690b5b9cf5f"`
Dec 11 15:09:22.532 INFO [stderr] usermod: no changes
Dec 11 15:09:22.623 INFO [stderr]     Checking regex_vm v0.1.0 (/source)
Dec 11 15:09:22.976 INFO [stderr] warning: unused import: `parser::Ast`
Dec 11 15:09:22.976 INFO [stderr]  --> src/vm.rs:3:5
Dec 11 15:09:22.976 INFO [stderr]   |
Dec 11 15:09:22.976 INFO [stderr] 3 | use parser::Ast;
Dec 11 15:09:22.976 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 15:09:22.976 INFO [stderr]   |
Dec 11 15:09:22.976 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 15:09:22.976 INFO [stderr] 
Dec 11 15:09:22.976 INFO [stderr] warning: unused import: `std::thread`
Dec 11 15:09:22.976 INFO [stderr]  --> src/vm_ir.rs:1:5
Dec 11 15:09:22.976 INFO [stderr]   |
Dec 11 15:09:22.976 INFO [stderr] 1 | use std::thread;
Dec 11 15:09:22.976 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 15:09:22.976 INFO [stderr] 
Dec 11 15:09:23.104 INFO [stderr] warning: unused variable: `pc`
Dec 11 15:09:23.104 INFO [stderr]   --> src/vm.rs:51:17
Dec 11 15:09:23.104 INFO [stderr]    |
Dec 11 15:09:23.104 INFO [stderr] 51 |         Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)],
Dec 11 15:09:23.104 INFO [stderr]    |                 ^^ help: consider using `_pc` instead
Dec 11 15:09:23.104 INFO [stderr]    |
Dec 11 15:09:23.104 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 15:09:23.104 INFO [stderr] 
Dec 11 15:09:23.104 INFO [stderr] warning: unused variable: `pc`
Dec 11 15:09:23.104 INFO [stderr]   --> src/vm.rs:52:19
Dec 11 15:09:23.104 INFO [stderr]    |
Dec 11 15:09:23.104 INFO [stderr] 52 |         Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)],
Dec 11 15:09:23.104 INFO [stderr]    |                   ^^ help: consider using `_pc` instead
Dec 11 15:09:23.104 INFO [stderr] 
Dec 11 15:09:23.168 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:09:23.168 INFO [stderr]   --> src/vm.rs:12:28
Dec 11 15:09:23.168 INFO [stderr]    |
Dec 11 15:09:23.168 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec<Ir>) -> bool {
Dec 11 15:09:23.168 INFO [stderr]    |                            ----^^
Dec 11 15:09:23.168 INFO [stderr]    |                            |
Dec 11 15:09:23.168 INFO [stderr]    |                            help: remove this `mut`
Dec 11 15:09:23.168 INFO [stderr]    |
Dec 11 15:09:23.168 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:09:23.168 INFO [stderr] 
Dec 11 15:09:23.204 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:09:23.204 INFO [stderr]   --> src/vm_ir.rs:70:9
Dec 11 15:09:23.204 INFO [stderr]    |
Dec 11 15:09:23.204 INFO [stderr] 70 |     let mut code = compose(ast, &mut pc);
Dec 11 15:09:23.204 INFO [stderr]    |         ----^^^^
Dec 11 15:09:23.204 INFO [stderr]    |         |
Dec 11 15:09:23.204 INFO [stderr]    |         help: remove this `mut`
Dec 11 15:09:23.204 INFO [stderr] 
Dec 11 15:09:23.208 INFO [stderr] warning: variant is never constructed: `Nop`
Dec 11 15:09:23.208 INFO [stderr]   --> src/vm_ir.rs:10:5
Dec 11 15:09:23.208 INFO [stderr]    |
Dec 11 15:09:23.208 INFO [stderr] 10 |     Nop(PC),
Dec 11 15:09:23.208 INFO [stderr]    |     ^^^^^^^
Dec 11 15:09:23.208 INFO [stderr]    |
Dec 11 15:09:23.208 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:09:23.208 INFO [stderr] 
Dec 11 15:09:23.208 INFO [stderr] warning: function is never used: `dump`
Dec 11 15:09:23.208 INFO [stderr]   --> src/vm_ir.rs:76:1
Dec 11 15:09:23.208 INFO [stderr]    |
Dec 11 15:09:23.208 INFO [stderr] 76 | pub fn dump(irs: Vec<Ir>) {
Dec 11 15:09:23.208 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:09:23.208 INFO [stderr] 
Dec 11 15:09:23.312 INFO [stderr] warning: unused import: `parser::Ast`
Dec 11 15:09:23.312 INFO [stderr]  --> src/vm.rs:3:5
Dec 11 15:09:23.312 INFO [stderr]   |
Dec 11 15:09:23.312 INFO [stderr] 3 | use parser::Ast;
Dec 11 15:09:23.312 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 15:09:23.312 INFO [stderr]   |
Dec 11 15:09:23.312 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 15:09:23.312 INFO [stderr] 
Dec 11 15:09:23.312 INFO [stderr] warning: unused import: `std::thread`
Dec 11 15:09:23.312 INFO [stderr]  --> src/vm_ir.rs:1:5
Dec 11 15:09:23.312 INFO [stderr]   |
Dec 11 15:09:23.312 INFO [stderr] 1 | use std::thread;
Dec 11 15:09:23.312 INFO [stderr]   |     ^^^^^^^^^^^
Dec 11 15:09:23.312 INFO [stderr] 
Dec 11 15:09:23.433 INFO [stderr] warning: unused variable: `pc`
Dec 11 15:09:23.433 INFO [stderr]   --> src/vm.rs:51:17
Dec 11 15:09:23.433 INFO [stderr]    |
Dec 11 15:09:23.433 INFO [stderr] 51 |         Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)],
Dec 11 15:09:23.433 INFO [stderr]    |                 ^^ help: consider using `_pc` instead
Dec 11 15:09:23.433 INFO [stderr]    |
Dec 11 15:09:23.433 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 15:09:23.433 INFO [stderr] 
Dec 11 15:09:23.433 INFO [stderr] warning: unused variable: `pc`
Dec 11 15:09:23.433 INFO [stderr]   --> src/vm.rs:52:19
Dec 11 15:09:23.433 INFO [stderr]    |
Dec 11 15:09:23.433 INFO [stderr] 52 |         Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)],
Dec 11 15:09:23.434 INFO [stderr]    |                   ^^ help: consider using `_pc` instead
Dec 11 15:09:23.434 INFO [stderr] 
Dec 11 15:09:23.455 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:09:23.456 INFO [stderr]   --> src/vm.rs:12:28
Dec 11 15:09:23.456 INFO [stderr]    |
Dec 11 15:09:23.456 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec<Ir>) -> bool {
Dec 11 15:09:23.456 INFO [stderr]    |                            ----^^
Dec 11 15:09:23.456 INFO [stderr]    |                            |
Dec 11 15:09:23.456 INFO [stderr]    |                            help: remove this `mut`
Dec 11 15:09:23.456 INFO [stderr]    |
Dec 11 15:09:23.456 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 15:09:23.456 INFO [stderr] 
Dec 11 15:09:23.466 INFO [stderr] warning: variable does not need to be mutable
Dec 11 15:09:23.466 INFO [stderr]   --> src/vm_ir.rs:70:9
Dec 11 15:09:23.466 INFO [stderr]    |
Dec 11 15:09:23.466 INFO [stderr] 70 |     let mut code = compose(ast, &mut pc);
Dec 11 15:09:23.466 INFO [stderr]    |         ----^^^^
Dec 11 15:09:23.466 INFO [stderr]    |         |
Dec 11 15:09:23.466 INFO [stderr]    |         help: remove this `mut`
Dec 11 15:09:23.466 INFO [stderr] 
Dec 11 15:09:23.467 INFO [stderr] warning: variant is never constructed: `Nop`
Dec 11 15:09:23.467 INFO [stderr]   --> src/vm_ir.rs:10:5
Dec 11 15:09:23.467 INFO [stderr]    |
Dec 11 15:09:23.467 INFO [stderr] 10 |     Nop(PC),
Dec 11 15:09:23.467 INFO [stderr]    |     ^^^^^^^
Dec 11 15:09:23.467 INFO [stderr]    |
Dec 11 15:09:23.468 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:09:23.468 INFO [stderr] 
Dec 11 15:09:23.468 INFO [stderr] warning: function is never used: `dump`
Dec 11 15:09:23.468 INFO [stderr]   --> src/vm_ir.rs:76:1
Dec 11 15:09:23.468 INFO [stderr]    |
Dec 11 15:09:23.468 INFO [stderr] 76 | pub fn dump(irs: Vec<Ir>) {
Dec 11 15:09:23.468 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:09:23.468 INFO [stderr] 
Dec 11 15:09:23.492 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 11 15:09:23.494 INFO [stderr] su: No module specific data is present
Dec 11 15:09:24.216 INFO running `"docker" "inspect" "5c8fda26240ebfbdc254a45436f1096306167eff6679767d20e57690b5b9cf5f"`
Dec 11 15:09:24.419 INFO running `"docker" "rm" "-f" "5c8fda26240ebfbdc254a45436f1096306167eff6679767d20e57690b5b9cf5f"`
Dec 11 15:09:24.652 INFO [stdout] 5c8fda26240ebfbdc254a45436f1096306167eff6679767d20e57690b5b9cf5f