Nov 28 02:08:16.843 INFO checking kriw/regex_vm against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 02:08:16.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 02:08:17.270 INFO [stdout] aa812701d2cd464e7d8782cd1d13701c3d7d762f047953d279fd5b970408788d
Nov 28 02:08:17.278 INFO running `"docker" "start" "-a" "aa812701d2cd464e7d8782cd1d13701c3d7d762f047953d279fd5b970408788d"`
Nov 28 02:08:18.948 INFO [stderr] usermod: no changes
Nov 28 02:08:19.013 INFO [stderr]     Checking regex_vm v0.1.0 (/source)
Nov 28 02:08:19.464 INFO [stderr] warning: unused import: `parser::Ast`
Nov 28 02:08:19.464 INFO [stderr]  --> src/vm.rs:3:5
Nov 28 02:08:19.464 INFO [stderr]   |
Nov 28 02:08:19.464 INFO [stderr] 3 | use parser::Ast;
Nov 28 02:08:19.464 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 02:08:19.464 INFO [stderr]   |
Nov 28 02:08:19.464 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 02:08:19.464 INFO [stderr] 
Nov 28 02:08:19.464 INFO [stderr] warning: unused import: `std::thread`
Nov 28 02:08:19.464 INFO [stderr]  --> src/vm_ir.rs:1:5
Nov 28 02:08:19.464 INFO [stderr]   |
Nov 28 02:08:19.464 INFO [stderr] 1 | use std::thread;
Nov 28 02:08:19.464 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 02:08:19.464 INFO [stderr] 
Nov 28 02:08:19.660 INFO [stderr] warning: unused variable: `pc`
Nov 28 02:08:19.660 INFO [stderr]   --> src/vm.rs:51:17
Nov 28 02:08:19.660 INFO [stderr]    |
Nov 28 02:08:19.660 INFO [stderr] 51 |         Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)],
Nov 28 02:08:19.660 INFO [stderr]    |                 ^^ help: consider using `_pc` instead
Nov 28 02:08:19.660 INFO [stderr]    |
Nov 28 02:08:19.660 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 02:08:19.660 INFO [stderr] 
Nov 28 02:08:19.660 INFO [stderr] warning: unused variable: `pc`
Nov 28 02:08:19.660 INFO [stderr]   --> src/vm.rs:52:19
Nov 28 02:08:19.660 INFO [stderr]    |
Nov 28 02:08:19.660 INFO [stderr] 52 |         Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)],
Nov 28 02:08:19.660 INFO [stderr]    |                   ^^ help: consider using `_pc` instead
Nov 28 02:08:19.660 INFO [stderr] 
Nov 28 02:08:19.700 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:08:19.700 INFO [stderr]   --> src/vm.rs:12:28
Nov 28 02:08:19.700 INFO [stderr]    |
Nov 28 02:08:19.700 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec<Ir>) -> bool {
Nov 28 02:08:19.700 INFO [stderr]    |                            ----^^
Nov 28 02:08:19.700 INFO [stderr]    |                            |
Nov 28 02:08:19.700 INFO [stderr]    |                            help: remove this `mut`
Nov 28 02:08:19.700 INFO [stderr]    |
Nov 28 02:08:19.700 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 02:08:19.700 INFO [stderr] 
Nov 28 02:08:19.703 INFO [stderr] warning: unused import: `parser::Ast`
Nov 28 02:08:19.703 INFO [stderr]  --> src/vm.rs:3:5
Nov 28 02:08:19.703 INFO [stderr]   |
Nov 28 02:08:19.703 INFO [stderr] 3 | use parser::Ast;
Nov 28 02:08:19.703 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 02:08:19.703 INFO [stderr]   |
Nov 28 02:08:19.703 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 02:08:19.703 INFO [stderr] 
Nov 28 02:08:19.703 INFO [stderr] warning: unused import: `std::thread`
Nov 28 02:08:19.703 INFO [stderr]  --> src/vm_ir.rs:1:5
Nov 28 02:08:19.703 INFO [stderr]   |
Nov 28 02:08:19.703 INFO [stderr] 1 | use std::thread;
Nov 28 02:08:19.703 INFO [stderr]   |     ^^^^^^^^^^^
Nov 28 02:08:19.703 INFO [stderr] 
Nov 28 02:08:19.712 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:08:19.712 INFO [stderr]   --> src/vm_ir.rs:70:9
Nov 28 02:08:19.712 INFO [stderr]    |
Nov 28 02:08:19.712 INFO [stderr] 70 |     let mut code = compose(ast, &mut pc);
Nov 28 02:08:19.712 INFO [stderr]    |         ----^^^^
Nov 28 02:08:19.712 INFO [stderr]    |         |
Nov 28 02:08:19.712 INFO [stderr]    |         help: remove this `mut`
Nov 28 02:08:19.712 INFO [stderr] 
Nov 28 02:08:19.714 INFO [stderr] warning: variant is never constructed: `Nop`
Nov 28 02:08:19.714 INFO [stderr]   --> src/vm_ir.rs:10:5
Nov 28 02:08:19.714 INFO [stderr]    |
Nov 28 02:08:19.714 INFO [stderr] 10 |     Nop(PC),
Nov 28 02:08:19.714 INFO [stderr]    |     ^^^^^^^
Nov 28 02:08:19.714 INFO [stderr]    |
Nov 28 02:08:19.714 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:08:19.714 INFO [stderr] 
Nov 28 02:08:19.714 INFO [stderr] warning: function is never used: `dump`
Nov 28 02:08:19.714 INFO [stderr]   --> src/vm_ir.rs:76:1
Nov 28 02:08:19.714 INFO [stderr]    |
Nov 28 02:08:19.714 INFO [stderr] 76 | pub fn dump(irs: Vec<Ir>) {
Nov 28 02:08:19.714 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:08:19.714 INFO [stderr] 
Nov 28 02:08:19.929 INFO [stderr] warning: unused variable: `pc`
Nov 28 02:08:19.929 INFO [stderr]   --> src/vm.rs:51:17
Nov 28 02:08:19.929 INFO [stderr]    |
Nov 28 02:08:19.929 INFO [stderr] 51 |         Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)],
Nov 28 02:08:19.929 INFO [stderr]    |                 ^^ help: consider using `_pc` instead
Nov 28 02:08:19.929 INFO [stderr]    |
Nov 28 02:08:19.929 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 02:08:19.929 INFO [stderr] 
Nov 28 02:08:19.929 INFO [stderr] warning: unused variable: `pc`
Nov 28 02:08:19.929 INFO [stderr]   --> src/vm.rs:52:19
Nov 28 02:08:19.929 INFO [stderr]    |
Nov 28 02:08:19.929 INFO [stderr] 52 |         Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)],
Nov 28 02:08:19.929 INFO [stderr]    |                   ^^ help: consider using `_pc` instead
Nov 28 02:08:19.929 INFO [stderr] 
Nov 28 02:08:19.956 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:08:19.956 INFO [stderr]   --> src/vm.rs:12:28
Nov 28 02:08:19.956 INFO [stderr]    |
Nov 28 02:08:19.956 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec<Ir>) -> bool {
Nov 28 02:08:19.956 INFO [stderr]    |                            ----^^
Nov 28 02:08:19.956 INFO [stderr]    |                            |
Nov 28 02:08:19.956 INFO [stderr]    |                            help: remove this `mut`
Nov 28 02:08:19.956 INFO [stderr]    |
Nov 28 02:08:19.956 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 02:08:19.956 INFO [stderr] 
Nov 28 02:08:19.964 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:08:19.964 INFO [stderr]   --> src/vm_ir.rs:70:9
Nov 28 02:08:19.964 INFO [stderr]    |
Nov 28 02:08:19.964 INFO [stderr] 70 |     let mut code = compose(ast, &mut pc);
Nov 28 02:08:19.964 INFO [stderr]    |         ----^^^^
Nov 28 02:08:19.964 INFO [stderr]    |         |
Nov 28 02:08:19.964 INFO [stderr]    |         help: remove this `mut`
Nov 28 02:08:19.964 INFO [stderr] 
Nov 28 02:08:19.971 INFO [stderr] warning: variant is never constructed: `Nop`
Nov 28 02:08:19.971 INFO [stderr]   --> src/vm_ir.rs:10:5
Nov 28 02:08:19.971 INFO [stderr]    |
Nov 28 02:08:19.971 INFO [stderr] 10 |     Nop(PC),
Nov 28 02:08:19.971 INFO [stderr]    |     ^^^^^^^
Nov 28 02:08:19.971 INFO [stderr]    |
Nov 28 02:08:19.971 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 02:08:19.971 INFO [stderr] 
Nov 28 02:08:19.971 INFO [stderr] warning: function is never used: `dump`
Nov 28 02:08:19.971 INFO [stderr]   --> src/vm_ir.rs:76:1
Nov 28 02:08:19.971 INFO [stderr]    |
Nov 28 02:08:19.971 INFO [stderr] 76 | pub fn dump(irs: Vec<Ir>) {
Nov 28 02:08:19.971 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 02:08:19.971 INFO [stderr] 
Nov 28 02:08:19.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Nov 28 02:08:20.004 INFO [stderr] su: No module specific data is present
Nov 28 02:08:21.217 INFO running `"docker" "inspect" "aa812701d2cd464e7d8782cd1d13701c3d7d762f047953d279fd5b970408788d"`
Nov 28 02:08:21.580 INFO running `"docker" "rm" "-f" "aa812701d2cd464e7d8782cd1d13701c3d7d762f047953d279fd5b970408788d"`
Nov 28 02:08:21.932 INFO [stdout] aa812701d2cd464e7d8782cd1d13701c3d7d762f047953d279fd5b970408788d