Dec 18 06:52:37.311 INFO checking Krelix/rust_vm_tutorial against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:52:37.311 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Krelix/rust_vm_tutorial:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:52:37.664 INFO [stdout] 64221061e9d3bf3086eb8599f30f21931dcb0ac4f91d95fe78309046b7dabed4
Dec 18 06:52:37.666 INFO running `"docker" "start" "-a" "64221061e9d3bf3086eb8599f30f21931dcb0ac4f91d95fe78309046b7dabed4"`
Dec 18 06:52:39.433 INFO [stderr]     Checking memchr v2.1.0
Dec 18 06:52:40.357 INFO [stderr]     Checking nom v4.0.0
Dec 18 06:52:42.687 INFO [stderr]     Checking rust_vm v0.1.0 (/opt/crater/workdir)
Dec 18 06:52:42.935 INFO [stderr] warning: unknown lint: `clippy`
Dec 18 06:52:42.935 INFO [stderr]  --> src/main.rs:1:9
Dec 18 06:52:42.935 INFO [stderr]   |
Dec 18 06:52:42.935 INFO [stderr] 1 | #![warn(clippy)]
Dec 18 06:52:42.935 INFO [stderr]   |         ^^^^^^
Dec 18 06:52:42.935 INFO [stderr]   |
Dec 18 06:52:42.935 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 18 06:52:42.935 INFO [stderr] 
Dec 18 06:52:42.988 INFO [stderr] warning: unknown lint: `clippy`
Dec 18 06:52:42.988 INFO [stderr]  --> src/main.rs:1:9
Dec 18 06:52:42.988 INFO [stderr]   |
Dec 18 06:52:42.988 INFO [stderr] 1 | #![warn(clippy)]
Dec 18 06:52:42.988 INFO [stderr]   |         ^^^^^^
Dec 18 06:52:42.988 INFO [stderr]   |
Dec 18 06:52:42.988 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 18 06:52:42.988 INFO [stderr] 
Dec 18 06:52:43.244 INFO [stderr] warning: unused import: `vm::VM`
Dec 18 06:52:43.244 INFO [stderr]   --> src/main.rs:10:5
Dec 18 06:52:43.244 INFO [stderr]    |
Dec 18 06:52:43.244 INFO [stderr] 10 | use vm::VM;
Dec 18 06:52:43.244 INFO [stderr]    |     ^^^^^^
Dec 18 06:52:43.244 INFO [stderr]    |
Dec 18 06:52:43.244 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 06:52:43.244 INFO [stderr] 
Dec 18 06:52:43.533 INFO [stderr] warning: unused import: `vm::VM`
Dec 18 06:52:43.533 INFO [stderr]   --> src/main.rs:10:5
Dec 18 06:52:43.533 INFO [stderr]    |
Dec 18 06:52:43.533 INFO [stderr] 10 | use vm::VM;
Dec 18 06:52:43.533 INFO [stderr]    |     ^^^^^^
Dec 18 06:52:43.533 INFO [stderr]    |
Dec 18 06:52:43.533 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 06:52:43.533 INFO [stderr] 
Dec 18 06:52:43.859 INFO [stderr] warning: field is never used: `opcode`
Dec 18 06:52:43.859 INFO [stderr]   --> src/instruction.rs:85:3
Dec 18 06:52:43.859 INFO [stderr]    |
Dec 18 06:52:43.859 INFO [stderr] 85 |   opcode: OpCode
Dec 18 06:52:43.859 INFO [stderr]    |   ^^^^^^^^^^^^^^
Dec 18 06:52:43.859 INFO [stderr]    |
Dec 18 06:52:43.859 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:52:43.860 INFO [stderr] 
Dec 18 06:52:44.405 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
Dec 18 06:52:45.970 INFO running `"docker" "inspect" "64221061e9d3bf3086eb8599f30f21931dcb0ac4f91d95fe78309046b7dabed4"`
Dec 18 06:52:46.418 INFO running `"docker" "rm" "-f" "64221061e9d3bf3086eb8599f30f21931dcb0ac4f91d95fe78309046b7dabed4"`
Dec 18 06:52:46.878 INFO [stdout] 64221061e9d3bf3086eb8599f30f21931dcb0ac4f91d95fe78309046b7dabed4