Dec 04 15:31:11.917 INFO checking kriw/regex_vm against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:31:11.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 15:31:12.495 INFO [stdout] 86a7a8cdce0e54e3287f77d568862b26d7ce38d57528b0dbd0462a8bdef92fb0
Dec 04 15:31:12.501 INFO running `"docker" "start" "-a" "86a7a8cdce0e54e3287f77d568862b26d7ce38d57528b0dbd0462a8bdef92fb0"`
Dec 04 15:31:15.227 INFO [stderr] usermod: no changes
Dec 04 15:31:15.275 INFO [stderr]     Checking regex_vm v0.1.0 (/source)
Dec 04 15:31:15.834 INFO [stderr] warning: unused import: `parser::Ast`
Dec 04 15:31:15.835 INFO [stderr]  --> src/vm.rs:3:5
Dec 04 15:31:15.835 INFO [stderr]   |
Dec 04 15:31:15.835 INFO [stderr] 3 | use parser::Ast;
Dec 04 15:31:15.835 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 15:31:15.836 INFO [stderr]   |
Dec 04 15:31:15.836 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:31:15.836 INFO [stderr] 
Dec 04 15:31:15.837 INFO [stderr] warning: unused import: `std::thread`
Dec 04 15:31:15.837 INFO [stderr]  --> src/vm_ir.rs:1:5
Dec 04 15:31:15.837 INFO [stderr]   |
Dec 04 15:31:15.837 INFO [stderr] 1 | use std::thread;
Dec 04 15:31:15.838 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 15:31:15.838 INFO [stderr] 
Dec 04 15:31:15.907 INFO [stderr] warning: unused import: `parser::Ast`
Dec 04 15:31:15.907 INFO [stderr]  --> src/vm.rs:3:5
Dec 04 15:31:15.907 INFO [stderr]   |
Dec 04 15:31:15.907 INFO [stderr] 3 | use parser::Ast;
Dec 04 15:31:15.907 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 15:31:15.907 INFO [stderr]   |
Dec 04 15:31:15.908 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 15:31:15.908 INFO [stderr] 
Dec 04 15:31:15.908 INFO [stderr] warning: unused import: `std::thread`
Dec 04 15:31:15.908 INFO [stderr]  --> src/vm_ir.rs:1:5
Dec 04 15:31:15.908 INFO [stderr]   |
Dec 04 15:31:15.908 INFO [stderr] 1 | use std::thread;
Dec 04 15:31:15.908 INFO [stderr]   |     ^^^^^^^^^^^
Dec 04 15:31:15.908 INFO [stderr] 
Dec 04 15:31:16.043 INFO [stderr] warning: unused variable: `pc`
Dec 04 15:31:16.043 INFO [stderr]   --> src/vm.rs:51:17
Dec 04 15:31:16.043 INFO [stderr]    |
Dec 04 15:31:16.043 INFO [stderr] 51 |         Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)],
Dec 04 15:31:16.043 INFO [stderr]    |                 ^^ help: consider using `_pc` instead
Dec 04 15:31:16.043 INFO [stderr]    |
Dec 04 15:31:16.043 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 15:31:16.043 INFO [stderr] 
Dec 04 15:31:16.043 INFO [stderr] warning: unused variable: `pc`
Dec 04 15:31:16.043 INFO [stderr]   --> src/vm.rs:52:19
Dec 04 15:31:16.043 INFO [stderr]    |
Dec 04 15:31:16.043 INFO [stderr] 52 |         Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)],
Dec 04 15:31:16.043 INFO [stderr]    |                   ^^ help: consider using `_pc` instead
Dec 04 15:31:16.043 INFO [stderr] 
Dec 04 15:31:16.102 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:31:16.102 INFO [stderr]   --> src/vm.rs:12:28
Dec 04 15:31:16.102 INFO [stderr]    |
Dec 04 15:31:16.102 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec<Ir>) -> bool {
Dec 04 15:31:16.102 INFO [stderr]    |                            ----^^
Dec 04 15:31:16.102 INFO [stderr]    |                            |
Dec 04 15:31:16.102 INFO [stderr]    |                            help: remove this `mut`
Dec 04 15:31:16.102 INFO [stderr]    |
Dec 04 15:31:16.102 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 15:31:16.102 INFO [stderr] 
Dec 04 15:31:16.131 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:31:16.131 INFO [stderr]   --> src/vm_ir.rs:70:9
Dec 04 15:31:16.131 INFO [stderr]    |
Dec 04 15:31:16.131 INFO [stderr] 70 |     let mut code = compose(ast, &mut pc);
Dec 04 15:31:16.131 INFO [stderr]    |         ----^^^^
Dec 04 15:31:16.131 INFO [stderr]    |         |
Dec 04 15:31:16.131 INFO [stderr]    |         help: remove this `mut`
Dec 04 15:31:16.131 INFO [stderr] 
Dec 04 15:31:16.132 INFO [stderr] warning: variant is never constructed: `Nop`
Dec 04 15:31:16.132 INFO [stderr]   --> src/vm_ir.rs:10:5
Dec 04 15:31:16.132 INFO [stderr]    |
Dec 04 15:31:16.132 INFO [stderr] 10 |     Nop(PC),
Dec 04 15:31:16.132 INFO [stderr]    |     ^^^^^^^
Dec 04 15:31:16.132 INFO [stderr]    |
Dec 04 15:31:16.133 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 15:31:16.133 INFO [stderr] 
Dec 04 15:31:16.133 INFO [stderr] warning: function is never used: `dump`
Dec 04 15:31:16.133 INFO [stderr]   --> src/vm_ir.rs:76:1
Dec 04 15:31:16.133 INFO [stderr]    |
Dec 04 15:31:16.134 INFO [stderr] 76 | pub fn dump(irs: Vec<Ir>) {
Dec 04 15:31:16.134 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:31:16.134 INFO [stderr] 
Dec 04 15:31:16.183 INFO [stderr] warning: unused variable: `pc`
Dec 04 15:31:16.183 INFO [stderr]   --> src/vm.rs:51:17
Dec 04 15:31:16.183 INFO [stderr]    |
Dec 04 15:31:16.183 INFO [stderr] 51 |         Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)],
Dec 04 15:31:16.183 INFO [stderr]    |                 ^^ help: consider using `_pc` instead
Dec 04 15:31:16.184 INFO [stderr]    |
Dec 04 15:31:16.184 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 15:31:16.184 INFO [stderr] 
Dec 04 15:31:16.184 INFO [stderr] warning: unused variable: `pc`
Dec 04 15:31:16.184 INFO [stderr]   --> src/vm.rs:52:19
Dec 04 15:31:16.184 INFO [stderr]    |
Dec 04 15:31:16.185 INFO [stderr] 52 |         Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)],
Dec 04 15:31:16.185 INFO [stderr]    |                   ^^ help: consider using `_pc` instead
Dec 04 15:31:16.185 INFO [stderr] 
Dec 04 15:31:16.237 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:31:16.237 INFO [stderr]   --> src/vm.rs:12:28
Dec 04 15:31:16.237 INFO [stderr]    |
Dec 04 15:31:16.237 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec<Ir>) -> bool {
Dec 04 15:31:16.237 INFO [stderr]    |                            ----^^
Dec 04 15:31:16.237 INFO [stderr]    |                            |
Dec 04 15:31:16.237 INFO [stderr]    |                            help: remove this `mut`
Dec 04 15:31:16.237 INFO [stderr]    |
Dec 04 15:31:16.237 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 15:31:16.237 INFO [stderr] 
Dec 04 15:31:16.258 INFO [stderr] warning: variable does not need to be mutable
Dec 04 15:31:16.258 INFO [stderr]   --> src/vm_ir.rs:70:9
Dec 04 15:31:16.259 INFO [stderr]    |
Dec 04 15:31:16.259 INFO [stderr] 70 |     let mut code = compose(ast, &mut pc);
Dec 04 15:31:16.259 INFO [stderr]    |         ----^^^^
Dec 04 15:31:16.259 INFO [stderr]    |         |
Dec 04 15:31:16.259 INFO [stderr]    |         help: remove this `mut`
Dec 04 15:31:16.259 INFO [stderr] 
Dec 04 15:31:16.260 INFO [stderr] warning: variant is never constructed: `Nop`
Dec 04 15:31:16.260 INFO [stderr]   --> src/vm_ir.rs:10:5
Dec 04 15:31:16.260 INFO [stderr]    |
Dec 04 15:31:16.260 INFO [stderr] 10 |     Nop(PC),
Dec 04 15:31:16.260 INFO [stderr]    |     ^^^^^^^
Dec 04 15:31:16.260 INFO [stderr]    |
Dec 04 15:31:16.260 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 15:31:16.260 INFO [stderr] 
Dec 04 15:31:16.260 INFO [stderr] warning: function is never used: `dump`
Dec 04 15:31:16.260 INFO [stderr]   --> src/vm_ir.rs:76:1
Dec 04 15:31:16.260 INFO [stderr]    |
Dec 04 15:31:16.260 INFO [stderr] 76 | pub fn dump(irs: Vec<Ir>) {
Dec 04 15:31:16.260 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:31:16.260 INFO [stderr] 
Dec 04 15:31:16.307 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 04 15:31:16.309 INFO [stderr] su: No module specific data is present
Dec 04 15:31:17.743 INFO running `"docker" "inspect" "86a7a8cdce0e54e3287f77d568862b26d7ce38d57528b0dbd0462a8bdef92fb0"`
Dec 04 15:31:18.099 INFO running `"docker" "rm" "-f" "86a7a8cdce0e54e3287f77d568862b26d7ce38d57528b0dbd0462a8bdef92fb0"`
Dec 04 15:31:18.435 INFO [stdout] 86a7a8cdce0e54e3287f77d568862b26d7ce38d57528b0dbd0462a8bdef92fb0