[INFO] cloning repository https://github.com/lionwang/marked-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lionwang/marked-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flionwang%2Fmarked-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flionwang%2Fmarked-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d7213ead1296550467a126ed76004293f521aee
[INFO] testing lionwang/marked-rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flionwang%2Fmarked-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lionwang/marked-rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lionwang/marked-rust
[INFO] finished tweaking git repo https://github.com/lionwang/marked-rust
[INFO] tweaked toml for git repo https://github.com/lionwang/marked-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lionwang/marked-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caaceaf348b35d24e45fdebb77d45207dc9ff5e11299e239dc558d98c4f7103d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "caaceaf348b35d24e45fdebb77d45207dc9ff5e11299e239dc558d98c4f7103d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caaceaf348b35d24e45fdebb77d45207dc9ff5e11299e239dc558d98c4f7103d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caaceaf348b35d24e45fdebb77d45207dc9ff5e11299e239dc558d98c4f7103d", kill_on_drop: false }`
[INFO] [stdout] caaceaf348b35d24e45fdebb77d45207dc9ff5e11299e239dc558d98c4f7103d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f8eefb7e6878e834a7aa02d3b9ad380c3b371125a258b87a1ddf98c475a392c
[INFO] running `Command { std: "docker" "start" "-a" "8f8eefb7e6878e834a7aa02d3b9ad380c3b371125a258b87a1ddf98c475a392c", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling marked v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `token` should have an upper camel case name
[INFO] [stdout]   --> src/parser/parser.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | trait token {
[INFO] [stdout]    |       ^^^^^ help: convert the identifier to upper camel case: `Token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Config`, `Lexer`
[INFO] [stdout]  --> src/main.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use parser::{Lexer, Config};
[INFO] [stdout]   |              ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing type for `const` item
[INFO] [stdout]   --> src/parser/parser.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const newline = Regex::new("").unwrap();
[INFO] [stdout]    |           ^^^^^^^ help: provide a type for the item: `newline: regex::Regex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/parser/parser.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut next; 
[INFO] [stdout]    |             ^^^^^^^^ consider giving `next` a type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `marked`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8f8eefb7e6878e834a7aa02d3b9ad380c3b371125a258b87a1ddf98c475a392c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8eefb7e6878e834a7aa02d3b9ad380c3b371125a258b87a1ddf98c475a392c", kill_on_drop: false }`
[INFO] [stdout] 8f8eefb7e6878e834a7aa02d3b9ad380c3b371125a258b87a1ddf98c475a392c