Dec 13 13:25:48.819 INFO testing kriw/regex_vm against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 13:25:48.819 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 13:25:49.331 INFO [stdout] 7c7662bd9f2f9f8a91e9526a5ac0dfdea5a2fa390fa6302d572b5b23e8327bab
Dec 13 13:25:49.339 INFO running `"docker" "start" "-a" "7c7662bd9f2f9f8a91e9526a5ac0dfdea5a2fa390fa6302d572b5b23e8327bab"`
Dec 13 13:25:50.235 INFO [stderr] usermod: no changes
Dec 13 13:25:50.295 INFO [stderr]    Compiling regex_vm v0.1.0 (/source)
Dec 13 13:25:50.591 INFO [stderr] warning: unused import: `parser::Ast`
Dec 13 13:25:50.591 INFO [stderr]  --> src/vm.rs:3:5
Dec 13 13:25:50.591 INFO [stderr]   |
Dec 13 13:25:50.591 INFO [stderr] 3 | use parser::Ast;
Dec 13 13:25:50.591 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 13:25:50.591 INFO [stderr]   |
Dec 13 13:25:50.591 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 13:25:50.591 INFO [stderr] 
Dec 13 13:25:50.591 INFO [stderr] warning: unused import: `std::thread`
Dec 13 13:25:50.591 INFO [stderr]  --> src/vm_ir.rs:1:5
Dec 13 13:25:50.591 INFO [stderr]   |
Dec 13 13:25:50.591 INFO [stderr] 1 | use std::thread;
Dec 13 13:25:50.591 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 13:25:50.591 INFO [stderr] 
Dec 13 13:25:50.677 INFO [stderr] warning: unused variable: `pc`
Dec 13 13:25:50.677 INFO [stderr]   --> src/vm.rs:51:17
Dec 13 13:25:50.677 INFO [stderr]    |
Dec 13 13:25:50.677 INFO [stderr] 51 |         Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)],
Dec 13 13:25:50.677 INFO [stderr]    |                 ^^ help: consider using `_pc` instead
Dec 13 13:25:50.677 INFO [stderr]    |
Dec 13 13:25:50.677 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 13:25:50.677 INFO [stderr] 
Dec 13 13:25:50.682 INFO [stderr] warning: unused variable: `pc`
Dec 13 13:25:50.682 INFO [stderr]   --> src/vm.rs:52:19
Dec 13 13:25:50.682 INFO [stderr]    |
Dec 13 13:25:50.682 INFO [stderr] 52 |         Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)],
Dec 13 13:25:50.682 INFO [stderr]    |                   ^^ help: consider using `_pc` instead
Dec 13 13:25:50.682 INFO [stderr] 
Dec 13 13:25:50.707 INFO [stderr] warning: variable does not need to be mutable
Dec 13 13:25:50.707 INFO [stderr]   --> src/vm.rs:12:28
Dec 13 13:25:50.707 INFO [stderr]    |
Dec 13 13:25:50.707 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec<Ir>) -> bool {
Dec 13 13:25:50.707 INFO [stderr]    |                            ----^^
Dec 13 13:25:50.707 INFO [stderr]    |                            |
Dec 13 13:25:50.707 INFO [stderr]    |                            help: remove this `mut`
Dec 13 13:25:50.707 INFO [stderr]    |
Dec 13 13:25:50.707 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 13:25:50.707 INFO [stderr] 
Dec 13 13:25:50.715 INFO [stderr] warning: variable does not need to be mutable
Dec 13 13:25:50.715 INFO [stderr]   --> src/vm_ir.rs:70:9
Dec 13 13:25:50.715 INFO [stderr]    |
Dec 13 13:25:50.715 INFO [stderr] 70 |     let mut code = compose(ast, &mut pc);
Dec 13 13:25:50.715 INFO [stderr]    |         ----^^^^
Dec 13 13:25:50.715 INFO [stderr]    |         |
Dec 13 13:25:50.715 INFO [stderr]    |         help: remove this `mut`
Dec 13 13:25:50.715 INFO [stderr] 
Dec 13 13:25:50.715 INFO [stderr] warning: variant is never constructed: `Nop`
Dec 13 13:25:50.715 INFO [stderr]   --> src/vm_ir.rs:10:5
Dec 13 13:25:50.715 INFO [stderr]    |
Dec 13 13:25:50.715 INFO [stderr] 10 |     Nop(PC),
Dec 13 13:25:50.715 INFO [stderr]    |     ^^^^^^^
Dec 13 13:25:50.715 INFO [stderr]    |
Dec 13 13:25:50.715 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 13:25:50.715 INFO [stderr] 
Dec 13 13:25:50.715 INFO [stderr] warning: function is never used: `dump`
Dec 13 13:25:50.715 INFO [stderr]   --> src/vm_ir.rs:76:1
Dec 13 13:25:50.715 INFO [stderr]    |
Dec 13 13:25:50.715 INFO [stderr] 76 | pub fn dump(irs: Vec<Ir>) {
Dec 13 13:25:50.715 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 13:25:50.715 INFO [stderr] 
Dec 13 13:25:51.511 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 13 13:25:51.511 INFO [stderr] su: No module specific data is present
Dec 13 13:25:51.945 INFO running `"docker" "inspect" "7c7662bd9f2f9f8a91e9526a5ac0dfdea5a2fa390fa6302d572b5b23e8327bab"`
Dec 13 13:25:52.044 INFO running `"docker" "rm" "-f" "7c7662bd9f2f9f8a91e9526a5ac0dfdea5a2fa390fa6302d572b5b23e8327bab"`
Dec 13 13:25:52.178 INFO [stdout] 7c7662bd9f2f9f8a91e9526a5ac0dfdea5a2fa390fa6302d572b5b23e8327bab
Dec 13 13:25:52.180 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 13:25:52.459 INFO [stdout] 9c8929f7bd72fac199db83b4cd605332b47216fde4d0856cfbb9c868c45c0a5c
Dec 13 13:25:52.464 INFO running `"docker" "start" "-a" "9c8929f7bd72fac199db83b4cd605332b47216fde4d0856cfbb9c868c45c0a5c"`
Dec 13 13:25:53.039 INFO [stderr] usermod: no changes
Dec 13 13:25:53.071 INFO [stderr]    Compiling regex_vm v0.1.0 (/source)
Dec 13 13:25:53.383 INFO [stderr] warning: unused import: `parser::Ast`
Dec 13 13:25:53.383 INFO [stderr]  --> src/vm.rs:3:5
Dec 13 13:25:53.383 INFO [stderr]   |
Dec 13 13:25:53.383 INFO [stderr] 3 | use parser::Ast;
Dec 13 13:25:53.383 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 13:25:53.383 INFO [stderr]   |
Dec 13 13:25:53.383 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 13:25:53.383 INFO [stderr] 
Dec 13 13:25:53.383 INFO [stderr] warning: unused import: `std::thread`
Dec 13 13:25:53.383 INFO [stderr]  --> src/vm_ir.rs:1:5
Dec 13 13:25:53.383 INFO [stderr]   |
Dec 13 13:25:53.383 INFO [stderr] 1 | use std::thread;
Dec 13 13:25:53.383 INFO [stderr]   |     ^^^^^^^^^^^
Dec 13 13:25:53.383 INFO [stderr] 
Dec 13 13:25:53.472 INFO [stderr] warning: unused variable: `pc`
Dec 13 13:25:53.472 INFO [stderr]   --> src/vm.rs:51:17
Dec 13 13:25:53.472 INFO [stderr]    |
Dec 13 13:25:53.472 INFO [stderr] 51 |         Ir::Jmp(pc, pc_to) => vec![(pc_to, State::Run)],
Dec 13 13:25:53.472 INFO [stderr]    |                 ^^ help: consider using `_pc` instead
Dec 13 13:25:53.472 INFO [stderr]    |
Dec 13 13:25:53.472 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 13:25:53.472 INFO [stderr] 
Dec 13 13:25:53.472 INFO [stderr] warning: unused variable: `pc`
Dec 13 13:25:53.472 INFO [stderr]   --> src/vm.rs:52:19
Dec 13 13:25:53.472 INFO [stderr]    |
Dec 13 13:25:53.472 INFO [stderr] 52 |         Ir::Split(pc, pc_to1, pc_to2) => vec![(pc_to1, State::Run), (pc_to2, State::Run)],
Dec 13 13:25:53.472 INFO [stderr]    |                   ^^ help: consider using `_pc` instead
Dec 13 13:25:53.472 INFO [stderr] 
Dec 13 13:25:53.495 INFO [stderr] warning: variable does not need to be mutable
Dec 13 13:25:53.495 INFO [stderr]   --> src/vm.rs:12:28
Dec 13 13:25:53.495 INFO [stderr]    |
Dec 13 13:25:53.495 INFO [stderr] 12 | pub fn is_match(s: String, mut ir: Vec<Ir>) -> bool {
Dec 13 13:25:53.495 INFO [stderr]    |                            ----^^
Dec 13 13:25:53.495 INFO [stderr]    |                            |
Dec 13 13:25:53.495 INFO [stderr]    |                            help: remove this `mut`
Dec 13 13:25:53.495 INFO [stderr]    |
Dec 13 13:25:53.495 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 13:25:53.495 INFO [stderr] 
Dec 13 13:25:53.505 INFO [stderr] warning: variable does not need to be mutable
Dec 13 13:25:53.505 INFO [stderr]   --> src/vm_ir.rs:70:9
Dec 13 13:25:53.505 INFO [stderr]    |
Dec 13 13:25:53.505 INFO [stderr] 70 |     let mut code = compose(ast, &mut pc);
Dec 13 13:25:53.505 INFO [stderr]    |         ----^^^^
Dec 13 13:25:53.505 INFO [stderr]    |         |
Dec 13 13:25:53.505 INFO [stderr]    |         help: remove this `mut`
Dec 13 13:25:53.505 INFO [stderr] 
Dec 13 13:25:53.506 INFO [stderr] warning: variant is never constructed: `Nop`
Dec 13 13:25:53.506 INFO [stderr]   --> src/vm_ir.rs:10:5
Dec 13 13:25:53.506 INFO [stderr]    |
Dec 13 13:25:53.506 INFO [stderr] 10 |     Nop(PC),
Dec 13 13:25:53.506 INFO [stderr]    |     ^^^^^^^
Dec 13 13:25:53.506 INFO [stderr]    |
Dec 13 13:25:53.506 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 13:25:53.506 INFO [stderr] 
Dec 13 13:25:53.506 INFO [stderr] warning: function is never used: `dump`
Dec 13 13:25:53.506 INFO [stderr]   --> src/vm_ir.rs:76:1
Dec 13 13:25:53.506 INFO [stderr]    |
Dec 13 13:25:53.506 INFO [stderr] 76 | pub fn dump(irs: Vec<Ir>) {
Dec 13 13:25:53.506 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 13:25:53.506 INFO [stderr] 
Dec 13 13:25:54.186 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 13 13:25:54.191 INFO [stderr] su: No module specific data is present
Dec 13 13:25:54.917 INFO running `"docker" "inspect" "9c8929f7bd72fac199db83b4cd605332b47216fde4d0856cfbb9c868c45c0a5c"`
Dec 13 13:25:55.157 INFO running `"docker" "rm" "-f" "9c8929f7bd72fac199db83b4cd605332b47216fde4d0856cfbb9c868c45c0a5c"`
Dec 13 13:25:55.575 INFO [stdout] 9c8929f7bd72fac199db83b4cd605332b47216fde4d0856cfbb9c868c45c0a5c
Dec 13 13:25:55.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 13:25:56.015 INFO [stdout] e0a973f9f9144ad34e2da20b5260f0d0ce2407b3f39997a29a7ed2088c199b4d
Dec 13 13:25:56.018 INFO running `"docker" "start" "-a" "e0a973f9f9144ad34e2da20b5260f0d0ce2407b3f39997a29a7ed2088c199b4d"`
Dec 13 13:25:57.215 INFO [stderr] usermod: no changes
Dec 13 13:25:57.265 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 13:25:57.276 INFO [stderr]      Running /target/debug/deps/regex_vm-839b0a3017477485
Dec 13 13:25:57.276 INFO [stdout] 
Dec 13 13:25:57.276 INFO [stdout] running 1 test
Dec 13 13:25:57.276 INFO [stdout] test parser_test ... ok
Dec 13 13:25:57.276 INFO [stdout] 
Dec 13 13:25:57.276 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 13:25:57.276 INFO [stdout] 
Dec 13 13:25:57.276 INFO [stderr] su: No module specific data is present
Dec 13 13:25:58.175 INFO running `"docker" "inspect" "e0a973f9f9144ad34e2da20b5260f0d0ce2407b3f39997a29a7ed2088c199b4d"`
Dec 13 13:25:58.457 INFO running `"docker" "rm" "-f" "e0a973f9f9144ad34e2da20b5260f0d0ce2407b3f39997a29a7ed2088c199b4d"`
Dec 13 13:25:58.719 INFO [stdout] e0a973f9f9144ad34e2da20b5260f0d0ce2407b3f39997a29a7ed2088c199b4d