[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] building DrDeano/backwards against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrDeano%2Fbackwards" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DrDeano/backwards on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "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-1-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46b350496b0bfba62df052546eedac5379454af96455e926755e7124748c9175
[INFO] running `Command { std: "docker" "start" "-a" "46b350496b0bfba62df052546eedac5379454af96455e926755e7124748c9175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46b350496b0bfba62df052546eedac5379454af96455e926755e7124748c9175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b350496b0bfba62df052546eedac5379454af96455e926755e7124748c9175", kill_on_drop: false }`
[INFO] [stdout] 46b350496b0bfba62df052546eedac5379454af96455e926755e7124748c9175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b873b4d5956b2cfaecc08b65a2514769d36b1bdf460200428df593c7fecdafab
[INFO] running `Command { std: "docker" "start" "-a" "b873b4d5956b2cfaecc08b65a2514769d36b1bdf460200428df593c7fecdafab", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling 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]    --> /rustc/334963c956d25708feab489a3816ae63f639355d/library/alloc/src/vec/mod.rs:397:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named struct `Vec` defined here
[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 `Token`, found `Option<&Token>`
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Token`
[INFO] [stdout]                  found enum `Option<&Token>`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/main.rs:96:4
[INFO] [stdout]     |
[INFO] [stdout] 96  | fn lexer_error(previous_token: Token, current_string: &str) -> &str {
[INFO] [stdout]     |    ^^^^^^^^^^^ ---------------------
[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 `Token`, found `Option<&Token>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Token`
[INFO] [stdout]                  found enum `Option<&Token>`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> src/main.rs:96:4
[INFO] [stdout]     |
[INFO] [stdout] 96  | fn lexer_error(previous_token: Token, current_string: &str) -> &str {
[INFO] [stdout]     |    ^^^^^^^^^^^ ---------------------
[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 for `()` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `previous_token`
[INFO] [stdout]   --> src/main.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn lexer_error(previous_token: Token, current_string: &str) -> &str {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_previous_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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` (bin "backwards") due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b873b4d5956b2cfaecc08b65a2514769d36b1bdf460200428df593c7fecdafab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b873b4d5956b2cfaecc08b65a2514769d36b1bdf460200428df593c7fecdafab", kill_on_drop: false }`
[INFO] [stdout] b873b4d5956b2cfaecc08b65a2514769d36b1bdf460200428df593c7fecdafab
