[INFO] updating cached repository takoeight0821/griff-vm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/takoeight0821/griff-vm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/takoeight0821/griff-vm" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/takoeight0821/griff-vm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/takoeight0821/griff-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/takoeight0821/griff-vm" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/takoeight0821/griff-vm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/takoeight0821/griff-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 029650094910ce83e83774f35ddc410ebf897277
[INFO] sha for GitHub repo takoeight0821/griff-vm: 029650094910ce83e83774f35ddc410ebf897277
[INFO] validating manifest of takoeight0821/griff-vm on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of takoeight0821/griff-vm on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing takoeight0821/griff-vm
[INFO] finished frobbing takoeight0821/griff-vm
[INFO] frobbed toml for takoeight0821/griff-vm written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/takoeight0821/griff-vm/Cargo.toml
[INFO] started frobbing takoeight0821/griff-vm
[INFO] finished frobbing takoeight0821/griff-vm
[INFO] frobbed toml for takoeight0821/griff-vm written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/takoeight0821/griff-vm/Cargo.toml
[INFO] crate takoeight0821/griff-vm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking takoeight0821/griff-vm against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/takoeight0821/griff-vm:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0042c74ecafb6e823cfd67de86c5fc347dbad8ac9550122e1e001b6cadf5ebb7
[INFO] running `"docker" "start" "-a" "0042c74ecafb6e823cfd67de86c5fc347dbad8ac9550122e1e001b6cadf5ebb7"`
[INFO] [stderr]     Checking griff-vm v0.1.0 (/opt/crater/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 0.46s
[INFO] running `"docker" "inspect" "0042c74ecafb6e823cfd67de86c5fc347dbad8ac9550122e1e001b6cadf5ebb7"`
[INFO] running `"docker" "rm" "-f" "0042c74ecafb6e823cfd67de86c5fc347dbad8ac9550122e1e001b6cadf5ebb7"`
[INFO] [stdout] 0042c74ecafb6e823cfd67de86c5fc347dbad8ac9550122e1e001b6cadf5ebb7