[INFO] updating cached repository https://github.com/DrDeano/backwards
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a5722a6ad03b92bed20cb396f9bbd17d1c3ae97b
[INFO] testing DrDeano/backwards against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrDeano%2Fbackwards" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DrDeano/backwards on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DrDeano/backwards
[INFO] finished tweaking git repo https://github.com/DrDeano/backwards
[INFO] tweaked toml for git repo https://github.com/DrDeano/backwards written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/DrDeano/backwards already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 35e1e24bb024f3e0b01de710ea944ca6e1089406f7d3183077ec7f3cb3c74355
[INFO] running `"docker" "start" "-a" "35e1e24bb024f3e0b01de710ea944ca6e1089406f7d3183077ec7f3cb3c74355"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling backwards v0.1.0 (/opt/rustwide/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[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[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" "35e1e24bb024f3e0b01de710ea944ca6e1089406f7d3183077ec7f3cb3c74355"`
[INFO] running `"docker" "rm" "-f" "35e1e24bb024f3e0b01de710ea944ca6e1089406f7d3183077ec7f3cb3c74355"`
[INFO] [stdout] 35e1e24bb024f3e0b01de710ea944ca6e1089406f7d3183077ec7f3cb3c74355