[INFO] updating cached repository VioletasTheThird/vm-reg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VioletasTheThird/vm-reg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VioletasTheThird/vm-reg" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/VioletasTheThird/vm-reg"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/VioletasTheThird/vm-reg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VioletasTheThird/vm-reg" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/VioletasTheThird/vm-reg"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/VioletasTheThird/vm-reg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 425399f2c5e17e12ea9bda99234a45e8f9ab5164
[INFO] sha for GitHub repo VioletasTheThird/vm-reg: 425399f2c5e17e12ea9bda99234a45e8f9ab5164
[INFO] validating manifest of VioletasTheThird/vm-reg on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of VioletasTheThird/vm-reg on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing VioletasTheThird/vm-reg
[INFO] finished frobbing VioletasTheThird/vm-reg
[INFO] frobbed toml for VioletasTheThird/vm-reg written to work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/VioletasTheThird/vm-reg/Cargo.toml
[INFO] started frobbing VioletasTheThird/vm-reg
[INFO] finished frobbing VioletasTheThird/vm-reg
[INFO] frobbed toml for VioletasTheThird/vm-reg written to work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/VioletasTheThird/vm-reg/Cargo.toml
[INFO] crate VioletasTheThird/vm-reg has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking VioletasTheThird/vm-reg against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-0/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/VioletasTheThird/vm-reg:/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9a66727877349923368f696050156c5801bf50660943d605df28439a3900ed10
[INFO] running `"docker" "start" "-a" "9a66727877349923368f696050156c5801bf50660943d605df28439a3900ed10"`
[INFO] [stderr]     Checking langdev v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/vm/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/vm/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/vm/mod.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_field(&mut self, field: &str) -> Box<dyn UserData> {box self.clone()}
[INFO] [stderr]    |                             ^^^^^ help: consider using `_field` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/vm/mod.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn meta_method(&mut self, state: &mut Vm, method: MetaMethod) {}
[INFO] [stderr]    |                               ^^^^^ help: consider using `_state` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]   --> src/vm/mod.rs:28:47
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn meta_method(&mut self, state: &mut Vm, method: MetaMethod) {}
[INFO] [stderr]    |                                               ^^^^^^ help: consider using `_method` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]    --> src/vm/mod.rs:115:31
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn get_var(&mut self, ident: &'static str, reg: Reg) {}
[INFO] [stderr]     |                               ^^^^^ help: consider using `_ident` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reg`
[INFO] [stderr]    --> src/vm/mod.rs:115:52
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn get_var(&mut self, ident: &'static str, reg: Reg) {}
[INFO] [stderr]     |                                                    ^^^ help: consider using `_reg` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `field`
[INFO] [stderr]   --> src/vm/mod.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn get_field(&mut self, field: &str) -> Box<dyn UserData> {box self.clone()}
[INFO] [stderr]    |                             ^^^^^ help: consider using `_field` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/vm/mod.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn meta_method(&mut self, state: &mut Vm, method: MetaMethod) {}
[INFO] [stderr]    |                               ^^^^^ help: consider using `_state` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `method`
[INFO] [stderr]   --> src/vm/mod.rs:28:47
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn meta_method(&mut self, state: &mut Vm, method: MetaMethod) {}
[INFO] [stderr]    |                                               ^^^^^^ help: consider using `_method` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]    --> src/vm/mod.rs:115:31
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn get_var(&mut self, ident: &'static str, reg: Reg) {}
[INFO] [stderr]     |                               ^^^^^ help: consider using `_ident` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reg`
[INFO] [stderr]    --> src/vm/mod.rs:115:52
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn get_var(&mut self, ident: &'static str, reg: Reg) {}
[INFO] [stderr]     |                                                    ^^^ help: consider using `_reg` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "9a66727877349923368f696050156c5801bf50660943d605df28439a3900ed10"`
[INFO] running `"docker" "rm" "-f" "9a66727877349923368f696050156c5801bf50660943d605df28439a3900ed10"`
[INFO] [stdout] 9a66727877349923368f696050156c5801bf50660943d605df28439a3900ed10