[INFO] updating cached repository https://github.com/TheApeMachine/RustVM
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea148c11e07d8ad7fbca7adb742c82f846df8264
[INFO] testing TheApeMachine/RustVM against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheApeMachine%2FRustVM" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheApeMachine/RustVM on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TheApeMachine/RustVM
[INFO] finished tweaking git repo https://github.com/TheApeMachine/RustVM
[INFO] tweaked toml for git repo https://github.com/TheApeMachine/RustVM written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TheApeMachine/RustVM already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cfb03faf8012fafcf34b76fff6397d255caaa4a80f1a880f08a50a806bc1a17a
[INFO] running `"docker" "start" "-a" "cfb03faf8012fafcf34b76fff6397d255caaa4a80f1a880f08a50a806bc1a17a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `return`
[INFO] [stderr]   --> src/vm.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     self.pc += 2
[INFO] [stderr]    |                 - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stderr] 59 |     return result;
[INFO] [stderr]    |     ^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `instruction`
[INFO] [stderr]  --> src/vm.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use instruction::{Opcode};
[INFO] [stderr]   |     ^^^^^^^^^^^ help: a similar path exists: `crate::instruction`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `use` statements changed in Rust 2018; read more at <https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `rustvm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cfb03faf8012fafcf34b76fff6397d255caaa4a80f1a880f08a50a806bc1a17a"`
[INFO] running `"docker" "rm" "-f" "cfb03faf8012fafcf34b76fff6397d255caaa4a80f1a880f08a50a806bc1a17a"`
[INFO] [stdout] cfb03faf8012fafcf34b76fff6397d255caaa4a80f1a880f08a50a806bc1a17a