[INFO] cloning repository https://github.com/DrDeano/backwards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrDeano/backwards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrDeano%2Fbackwards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrDeano%2Fbackwards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5722a6ad03b92bed20cb396f9bbd17d1c3ae97b
[INFO] checking DrDeano/backwards against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrDeano%2Fbackwards" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DrDeano/backwards on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/DrDeano/backwards already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1c4fc757113e2bb04dd47a25c6b79b2c28c96bd408748736ca792b898b12a9d
[INFO] running `Command { std: "docker" "start" "-a" "d1c4fc757113e2bb04dd47a25c6b79b2c28c96bd408748736ca792b898b12a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1c4fc757113e2bb04dd47a25c6b79b2c28c96bd408748736ca792b898b12a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c4fc757113e2bb04dd47a25c6b79b2c28c96bd408748736ca792b898b12a9d", kill_on_drop: false }`
[INFO] [stdout] d1c4fc757113e2bb04dd47a25c6b79b2c28c96bd408748736ca792b898b12a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afb686abbc39ad45567d65fd3ce7759c59a93ae5ced6fe2f9ff74369073af255
[INFO] running `Command { std: "docker" "start" "-a" "afb686abbc39ad45567d65fd3ce7759c59a93ae5ced6fe2f9ff74369073af255", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking backwards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `Vev` in this scope
[INFO] [stdout]    --> src/main.rs:251:31
[INFO] [stdout]     |
[INFO] [stdout] 251 |   fn parse_program(program_lex: Vev<Token>) {
[INFO] [stdout]     |                                 ^^^ help: a struct with a similar name exists: `Vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vev` in this scope
[INFO] [stdout]    --> src/main.rs:251:31
[INFO] [stdout]     |
[INFO] [stdout] 251 |   fn parse_program(program_lex: Vev<Token>) {
[INFO] [stdout]     |                                 ^^^ help: a struct with a similar name exists: `Vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:215:44
[INFO] [stdout]     |
[INFO] [stdout] 215 | ...                   lexer_error(program_lex.get(program_lex.len()), working_file_string));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Token`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Token`
[INFO] [stdout]                  found enum `Option<&Token>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:215:44
[INFO] [stdout]     |
[INFO] [stdout] 215 | ...                   lexer_error(program_lex.get(program_lex.len()), working_file_string));
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Token`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Token`
[INFO] [stdout]                  found enum `Option<&Token>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `ignored` on type `&TokenDefinition`
[INFO] [stdout]    --> src/main.rs:222:30
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     if token.ignored {
[INFO] [stdout]     |                              ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `regex`, `token_type`, `is_ignored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `ignored` on type `&TokenDefinition`
[INFO] [stdout]    --> src/main.rs:222:30
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     if token.ignored {
[INFO] [stdout]     |                              ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `regex`, `token_type`, `is_ignored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:243:32
[INFO] [stdout]     |
[INFO] [stdout] 243 |                    lexer_error(program_lex.get(program_lex.len()), working_file_string));
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Token`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Token`
[INFO] [stdout]                  found enum `Option<&Token>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:243:32
[INFO] [stdout]     |
[INFO] [stdout] 243 |                    lexer_error(program_lex.get(program_lex.len()), working_file_string));
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Token`, found enum `Option`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Token`
[INFO] [stdout]                  found enum `Option<&Token>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/main.rs:286:18
[INFO] [stdout]     |
[INFO] [stdout] 286 |     for parse in program_parsed {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `()`
[INFO] [stdout] note: required by `into_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0412, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `()` is not an iterator
[INFO] [stdout]    --> src/main.rs:286:18
[INFO] [stdout]     |
[INFO] [stdout] 286 |     for parse in program_parsed {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^ `()` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Iterator` is not implemented for `()`
[INFO] [stdout]     = note: required because of the requirements on the impl of `IntoIterator` for `()`
[INFO] [stdout] note: required by `into_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0412, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `backwards` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "afb686abbc39ad45567d65fd3ce7759c59a93ae5ced6fe2f9ff74369073af255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afb686abbc39ad45567d65fd3ce7759c59a93ae5ced6fe2f9ff74369073af255", kill_on_drop: false }`
[INFO] [stdout] afb686abbc39ad45567d65fd3ce7759c59a93ae5ced6fe2f9ff74369073af255