[INFO] cloning repository https://github.com/bkrusz/compiler-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bkrusz/compiler-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkrusz%2Fcompiler-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkrusz%2Fcompiler-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fc8d7fa9dd899a5380792b3aa5326cce75bef0e
[INFO] testing bkrusz/compiler-in-rust against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkrusz%2Fcompiler-in-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bkrusz/compiler-in-rust
[INFO] finished tweaking git repo https://github.com/bkrusz/compiler-in-rust
[INFO] tweaked toml for git repo https://github.com/bkrusz/compiler-in-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bkrusz/compiler-in-rust on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bkrusz/compiler-in-rust 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58
[INFO] running `Command { std: "docker" "start" "e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `END_OF_FILE` should have an upper camel case name
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     END_OF_FILE, MAIN, PROC, ENDPROC,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EndOfFile`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lexer.rs:162:32
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn get_token(&mut self) -> Token {
[INFO] [stdout]     |        ---------               ^^^^^ expected `Token`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler` (bin "compiler") due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lexer.rs:166:40
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn peek(&mut self, how_far: u8) -> Token {
[INFO] [stdout]     |        ----                            ^^^^^ expected `Token`, found `()`
[INFO] [stdout]     |        |
[INFO] [stdout]     |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut c: Option<char>;
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58", kill_on_drop: false }`
[INFO] [stdout] e203a5a6befc53dd140c9db9fb697633ac64956723956553719276df04216b58
