[INFO] updating cached repository DrDeano/backwards
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DrDeano/backwards
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DrDeano/backwards" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/DrDeano/backwards"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/DrDeano/backwards'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DrDeano/backwards" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/DrDeano/backwards"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/DrDeano/backwards'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a5722a6ad03b92bed20cb396f9bbd17d1c3ae97b
[INFO] sha for GitHub repo DrDeano/backwards: a5722a6ad03b92bed20cb396f9bbd17d1c3ae97b
[INFO] validating manifest of DrDeano/backwards on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DrDeano/backwards on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DrDeano/backwards
[INFO] finished frobbing DrDeano/backwards
[INFO] frobbed toml for DrDeano/backwards written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/DrDeano/backwards/Cargo.toml
[INFO] started frobbing DrDeano/backwards
[INFO] finished frobbing DrDeano/backwards
[INFO] frobbed toml for DrDeano/backwards written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/DrDeano/backwards/Cargo.toml
[INFO] crate DrDeano/backwards already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DrDeano/backwards against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/DrDeano/backwards:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 55ed5fa561862936159fbc3f8e654bc489882c0570ca35aba5518132002a06e0
[INFO] running `"docker" "start" "-a" "55ed5fa561862936159fbc3f8e654bc489882c0570ca35aba5518132002a06e0"`
[INFO] [stderr]     Checking backwards v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0412]: cannot find type `Vev` in this scope
[INFO] [stderr]    --> src/main.rs:251:31
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn parse_program(program_lex: Vev<Token>) {
[INFO] [stderr]     |                               ^^^ help: a struct with a similar name exists: `Vec`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Vev` in this scope
[INFO] [stderr]    --> src/main.rs:251:31
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn parse_program(program_lex: Vev<Token>) {
[INFO] [stderr]     |                               ^^^ help: a struct with a similar name exists: `Vec`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:215:44
[INFO] [stderr]     |
[INFO] [stderr] 215 |                                lexer_error(program_lex.get(program_lex.len()), working_file_string));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Token`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `Token`
[INFO] [stderr]                found type `std::option::Option<&Token>`
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `ignored` on type `&TokenDefinition`
[INFO] [stderr]    --> src/main.rs:222:30
[INFO] [stderr]     |
[INFO] [stderr] 222 |                     if token.ignored {
[INFO] [stderr]     |                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:243:32
[INFO] [stderr]     |
[INFO] [stderr] 243 |                    lexer_error(program_lex.get(program_lex.len()), working_file_string));
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Token`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `Token`
[INFO] [stderr]                found type `std::option::Option<&Token>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:215:44
[INFO] [stderr]     |
[INFO] [stderr] 215 |                                lexer_error(program_lex.get(program_lex.len()), working_file_string));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Token`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `Token`
[INFO] [stderr]                found type `std::option::Option<&Token>`
[INFO] [stderr] 
[INFO] [stderr] error[E0609]: no field `ignored` on type `&TokenDefinition`
[INFO] [stderr]    --> src/main.rs:222:30
[INFO] [stderr]     |
[INFO] [stderr] 222 |                     if token.ignored {
[INFO] [stderr]     |                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `()` is not an iterator
[INFO] [stderr]    --> src/main.rs:286:18
[INFO] [stderr]     |
[INFO] [stderr] 286 |     for parse in program_parsed {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ `()` is not an iterator
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::iter::Iterator` is not implemented for `()`
[INFO] [stderr]     = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0412, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `backwards`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:243:32
[INFO] [stderr]     |
[INFO] [stderr] 243 |                    lexer_error(program_lex.get(program_lex.len()), working_file_string));
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Token`, found enum `std::option::Option`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `Token`
[INFO] [stderr]                found type `std::option::Option<&Token>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `()` is not an iterator
[INFO] [stderr]    --> src/main.rs:286:18
[INFO] [stderr]     |
[INFO] [stderr] 286 |     for parse in program_parsed {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^ `()` is not an iterator
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::iter::Iterator` is not implemented for `()`
[INFO] [stderr]     = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0412, E0609.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `backwards`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "55ed5fa561862936159fbc3f8e654bc489882c0570ca35aba5518132002a06e0"`
[INFO] running `"docker" "rm" "-f" "55ed5fa561862936159fbc3f8e654bc489882c0570ca35aba5518132002a06e0"`
[INFO] [stdout] 55ed5fa561862936159fbc3f8e654bc489882c0570ca35aba5518132002a06e0