[INFO] updating cached repository mrsekut/WritingAnInterpreterInRust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mrsekut/WritingAnInterpreterInRust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mrsekut/WritingAnInterpreterInRust" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mrsekut/WritingAnInterpreterInRust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mrsekut/WritingAnInterpreterInRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mrsekut/WritingAnInterpreterInRust" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mrsekut/WritingAnInterpreterInRust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mrsekut/WritingAnInterpreterInRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47e33ce0c7bf8e097416023bee7b640f9dae80ea
[INFO] sha for GitHub repo mrsekut/WritingAnInterpreterInRust: 47e33ce0c7bf8e097416023bee7b640f9dae80ea
[INFO] validating manifest of mrsekut/WritingAnInterpreterInRust on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mrsekut/WritingAnInterpreterInRust on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mrsekut/WritingAnInterpreterInRust
[INFO] finished frobbing mrsekut/WritingAnInterpreterInRust
[INFO] frobbed toml for mrsekut/WritingAnInterpreterInRust written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/mrsekut/WritingAnInterpreterInRust/Cargo.toml
[INFO] started frobbing mrsekut/WritingAnInterpreterInRust
[INFO] finished frobbing mrsekut/WritingAnInterpreterInRust
[INFO] frobbed toml for mrsekut/WritingAnInterpreterInRust written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mrsekut/WritingAnInterpreterInRust/Cargo.toml
[INFO] crate mrsekut/WritingAnInterpreterInRust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mrsekut/WritingAnInterpreterInRust against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-5/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/mrsekut/WritingAnInterpreterInRust:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e2c7f42edd31aabde81db19079e518416eebf68756bcd015e5d9ca655d506cfe
[INFO] running `"docker" "start" "-a" "e2c7f42edd31aabde81db19079e518416eebf68756bcd015e5d9ca655d506cfe"`
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0004]: non-exhaustive patterns: `&_` not covered
[INFO] [stderr]   --> src/lexer/lexer.rs:44:15
[INFO] [stderr]    |
[INFO] [stderr] 44 |         match &*self.ch {
[INFO] [stderr]    |               ^^^^^^^^^ pattern `&_` not covered
[INFO] [stderr]    |
[INFO] [stderr]    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0004`.
[INFO] [stderr] error: Could not compile `monkey`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0004]: non-exhaustive patterns: `&_` not covered
[INFO] [stderr]   --> src/lexer/lexer.rs:44:15
[INFO] [stderr]    |
[INFO] [stderr] 44 |         match &*self.ch {
[INFO] [stderr]    |               ^^^^^^^^^ pattern `&_` not covered
[INFO] [stderr]    |
[INFO] [stderr]    = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `token_type`
[INFO] [stderr]   --> src/lexer/lexer.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 |         for (token_type, literal) in expects {
[INFO] [stderr]    |              ^^^^^^^^^^ help: consider prefixing with an underscore: `_token_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0004`.
[INFO] [stderr] error: Could not compile `monkey`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e2c7f42edd31aabde81db19079e518416eebf68756bcd015e5d9ca655d506cfe"`
[INFO] running `"docker" "rm" "-f" "e2c7f42edd31aabde81db19079e518416eebf68756bcd015e5d9ca655d506cfe"`
[INFO] [stdout] e2c7f42edd31aabde81db19079e518416eebf68756bcd015e5d9ca655d506cfe