[INFO] updating cached repository https://github.com/takoeight0821/griff-vm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 029650094910ce83e83774f35ddc410ebf897277
[INFO] checking takoeight0821/griff-vm against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakoeight0821%2Fgriff-vm" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/takoeight0821/griff-vm on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/takoeight0821/griff-vm
[INFO] finished tweaking git repo https://github.com/takoeight0821/griff-vm
[INFO] tweaked toml for git repo https://github.com/takoeight0821/griff-vm written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/takoeight0821/griff-vm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b82667467603e449936c6e2e0165bc3e6d15945c22467f9e047198f2aeaf274d
[INFO] running `"docker" "start" "-a" "b82667467603e449936c6e2e0165bc3e6d15945c22467f9e047198f2aeaf274d"`
[INFO] [stderr]     Checking griff-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `call_prim`
[INFO] [stderr]   --> src/vm.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     pub fn call_prim<F>(&mut self, f: F)
[INFO] [stderr] 58 | |     where
[INFO] [stderr] 59 | |         F: Fn(&mut Self),
[INFO] [stderr] 60 | |     {
[INFO] [stderr] 61 | |         f(self)
[INFO] [stderr] 62 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `field`
[INFO] [stderr]    --> src/vm.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn field(&mut self, i: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `call_prim`
[INFO] [stderr]   --> src/vm.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | /     pub fn call_prim<F>(&mut self, f: F)
[INFO] [stderr] 58 | |     where
[INFO] [stderr] 59 | |         F: Fn(&mut Self),
[INFO] [stderr] 60 | |     {
[INFO] [stderr] 61 | |         f(self)
[INFO] [stderr] 62 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `field`
[INFO] [stderr]    --> src/vm.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn field(&mut self, i: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "b82667467603e449936c6e2e0165bc3e6d15945c22467f9e047198f2aeaf274d"`
[INFO] running `"docker" "rm" "-f" "b82667467603e449936c6e2e0165bc3e6d15945c22467f9e047198f2aeaf274d"`
[INFO] [stdout] b82667467603e449936c6e2e0165bc3e6d15945c22467f9e047198f2aeaf274d