[INFO] updating cached repository fangerm/cloxrs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fangerm/cloxrs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fangerm/cloxrs" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/fangerm/cloxrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/fangerm/cloxrs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fangerm/cloxrs" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/fangerm/cloxrs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/fangerm/cloxrs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 960fbc87340d40994423cf5c2d78308e155bb956
[INFO] sha for GitHub repo fangerm/cloxrs: 960fbc87340d40994423cf5c2d78308e155bb956
[INFO] validating manifest of fangerm/cloxrs on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fangerm/cloxrs on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fangerm/cloxrs
[INFO] finished frobbing fangerm/cloxrs
[INFO] frobbed toml for fangerm/cloxrs written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/fangerm/cloxrs/Cargo.toml
[INFO] started frobbing fangerm/cloxrs
[INFO] finished frobbing fangerm/cloxrs
[INFO] frobbed toml for fangerm/cloxrs written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/fangerm/cloxrs/Cargo.toml
[INFO] crate fangerm/cloxrs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fangerm/cloxrs against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-0/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/fangerm/cloxrs:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6c0ff0e7d98ed4a45e35d90cb4055f1a6fef1c287df976a8690e561629bd033b
[INFO] running `"docker" "start" "-a" "6c0ff0e7d98ed4a45e35d90cb4055f1a6fef1c287df976a8690e561629bd033b"`
[INFO] [stderr]     Checking plain_enum v0.7.0
[INFO] [stderr]     Checking loxrs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/vm.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |             match &self.chunk.code[self.ip - 1].code {
[INFO] [stderr]    |                    --------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 53 |                         self.runtime_error(&format!("Undefined variable {}.", global));
[INFO] [stderr]    |                         ^^^^ mutable borrow occurs here                       ------ immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/vm.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |             match &self.chunk.code[self.ip - 1].code {
[INFO] [stderr]    |                    --------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 63 |                         self.runtime_error(&format!("Undefined variable {}.", global));
[INFO] [stderr]    |                         ^^^^ mutable borrow occurs here                       ------ immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/vm.rs:53:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |             match &self.chunk.code[self.ip - 1].code {
[INFO] [stderr]    |                    --------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 53 |                         self.runtime_error(&format!("Undefined variable {}.", global));
[INFO] [stderr]    |                         ^^^^ mutable borrow occurs here                       ------ immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/vm.rs:63:25
[INFO] [stderr]    |
[INFO] [stderr] 38 |             match &self.chunk.code[self.ip - 1].code {
[INFO] [stderr]    |                    --------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 63 |                         self.runtime_error(&format!("Undefined variable {}.", global));
[INFO] [stderr]    |                         ^^^^ mutable borrow occurs here                       ------ immutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(mutable_borrow_reservation_conflict)] on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `"docker" "inspect" "6c0ff0e7d98ed4a45e35d90cb4055f1a6fef1c287df976a8690e561629bd033b"`
[INFO] running `"docker" "rm" "-f" "6c0ff0e7d98ed4a45e35d90cb4055f1a6fef1c287df976a8690e561629bd033b"`
[INFO] [stdout] 6c0ff0e7d98ed4a45e35d90cb4055f1a6fef1c287df976a8690e561629bd033b