[INFO] updating cached repository https://github.com/takoeight0821/griff-vm
[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] 029650094910ce83e83774f35ddc410ebf897277
[INFO] checking takoeight0821/griff-vm against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakoeight0821%2Fgriff-vm" "/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/takoeight0821/griff-vm on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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 /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/takoeight0821/griff-vm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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=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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60fa214ed3aa6b251adce5e221897fe65ee5e0120b57fcdd67da1bd105fb5dec
[INFO] running `"docker" "start" "-a" "60fa214ed3aa6b251adce5e221897fe65ee5e0120b57fcdd67da1bd105fb5dec"`
[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 0.63s
[INFO] running `"docker" "inspect" "60fa214ed3aa6b251adce5e221897fe65ee5e0120b57fcdd67da1bd105fb5dec"`
[INFO] running `"docker" "rm" "-f" "60fa214ed3aa6b251adce5e221897fe65ee5e0120b57fcdd67da1bd105fb5dec"`
[INFO] [stdout] 60fa214ed3aa6b251adce5e221897fe65ee5e0120b57fcdd67da1bd105fb5dec