Dec 12 01:55:26.688 INFO checking Krelix/rust_vm_tutorial against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:55:26.688 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 12 01:55:27.095 INFO [stdout] 2533cbc602ba2f51f06c47049beab02e5aa75be82bf1c287ad962a5eef5fcd4b
Dec 12 01:55:27.100 INFO running `"docker" "start" "-a" "2533cbc602ba2f51f06c47049beab02e5aa75be82bf1c287ad962a5eef5fcd4b"`
Dec 12 01:55:28.352 INFO [stderr] usermod: no changes
Dec 12 01:55:28.468 INFO [stderr]     Checking memchr v2.1.0
Dec 12 01:55:29.576 INFO [stderr]     Checking nom v4.0.0
Dec 12 01:55:31.856 INFO [stderr]     Checking rust_vm v0.1.0 (/source)
Dec 12 01:55:32.011 INFO [stderr] warning: unknown lint: `clippy`
Dec 12 01:55:32.011 INFO [stderr]  --> src/main.rs:1:9
Dec 12 01:55:32.011 INFO [stderr]   |
Dec 12 01:55:32.011 INFO [stderr] 1 | #![warn(clippy)]
Dec 12 01:55:32.011 INFO [stderr]   |         ^^^^^^
Dec 12 01:55:32.011 INFO [stderr]   |
Dec 12 01:55:32.011 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 12 01:55:32.011 INFO [stderr] 
Dec 12 01:55:32.024 INFO [stderr] warning: unknown lint: `clippy`
Dec 12 01:55:32.025 INFO [stderr]  --> src/main.rs:1:9
Dec 12 01:55:32.025 INFO [stderr]   |
Dec 12 01:55:32.025 INFO [stderr] 1 | #![warn(clippy)]
Dec 12 01:55:32.025 INFO [stderr]   |         ^^^^^^
Dec 12 01:55:32.026 INFO [stderr]   |
Dec 12 01:55:32.026 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 12 01:55:32.026 INFO [stderr] 
Dec 12 01:55:33.172 INFO [stderr] warning: unused import: `vm::VM`
Dec 12 01:55:33.172 INFO [stderr]   --> src/main.rs:10:5
Dec 12 01:55:33.172 INFO [stderr]    |
Dec 12 01:55:33.172 INFO [stderr] 10 | use vm::VM;
Dec 12 01:55:33.172 INFO [stderr]    |     ^^^^^^
Dec 12 01:55:33.172 INFO [stderr]    |
Dec 12 01:55:33.172 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 01:55:33.172 INFO [stderr] 
Dec 12 01:55:33.255 INFO [stderr] warning: unused import: `vm::VM`
Dec 12 01:55:33.255 INFO [stderr]   --> src/main.rs:10:5
Dec 12 01:55:33.255 INFO [stderr]    |
Dec 12 01:55:33.255 INFO [stderr] 10 | use vm::VM;
Dec 12 01:55:33.255 INFO [stderr]    |     ^^^^^^
Dec 12 01:55:33.268 INFO [stderr]    |
Dec 12 01:55:33.268 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 01:55:33.268 INFO [stderr] 
Dec 12 01:55:33.736 INFO [stderr] warning: field is never used: `opcode`
Dec 12 01:55:33.736 INFO [stderr]   --> src/instruction.rs:85:3
Dec 12 01:55:33.736 INFO [stderr]    |
Dec 12 01:55:33.736 INFO [stderr] 85 |   opcode: OpCode
Dec 12 01:55:33.736 INFO [stderr]    |   ^^^^^^^^^^^^^^
Dec 12 01:55:33.748 INFO [stderr]    |
Dec 12 01:55:33.748 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:55:33.748 INFO [stderr] 
Dec 12 01:55:34.178 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.81s
Dec 12 01:55:34.181 INFO [stderr] su: No module specific data is present
Dec 12 01:55:35.556 INFO running `"docker" "inspect" "2533cbc602ba2f51f06c47049beab02e5aa75be82bf1c287ad962a5eef5fcd4b"`
Dec 12 01:55:35.840 INFO running `"docker" "rm" "-f" "2533cbc602ba2f51f06c47049beab02e5aa75be82bf1c287ad962a5eef5fcd4b"`
Dec 12 01:55:36.192 INFO [stdout] 2533cbc602ba2f51f06c47049beab02e5aa75be82bf1c287ad962a5eef5fcd4b