[INFO] cloning repository https://github.com/MitchellUTS/First-Language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MitchellUTS/First-Language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitchellUTS%2FFirst-Language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitchellUTS%2FFirst-Language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e39a1e0ccec6b26348e0afa7fe0407b837163739
[INFO] testing MitchellUTS/First-Language against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitchellUTS%2FFirst-Language" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MitchellUTS/First-Language on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MitchellUTS/First-Language
[INFO] finished tweaking git repo https://github.com/MitchellUTS/First-Language
[INFO] tweaked toml for git repo https://github.com/MitchellUTS/First-Language written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/MitchellUTS/First-Language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 806dd043061017da1474e429409bb366974b6b3a4646774c4e3db645070283ba
[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" "806dd043061017da1474e429409bb366974b6b3a4646774c4e3db645070283ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "806dd043061017da1474e429409bb366974b6b3a4646774c4e3db645070283ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806dd043061017da1474e429409bb366974b6b3a4646774c4e3db645070283ba", kill_on_drop: false }`
[INFO] [stdout] 806dd043061017da1474e429409bb366974b6b3a4646774c4e3db645070283ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22b13602c9744727e13e40cc7d73d3b0ed433d894a06c99187699cb5bc322acb
[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" "22b13602c9744727e13e40cc7d73d3b0ed433d894a06c99187699cb5bc322acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `compiler::parse`
[INFO] [stdout]   --> src/main.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use compiler::{parse, find_variables};
[INFO] [stdout]    |                    ^^^^^ no `parse` in `compiler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `clean` in this scope
[INFO] [stdout]   --> src/main.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let cleaned = clean(program);
[INFO] [stdout]    |                   ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 3  | use crate::compiler::clean;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/main.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Function(&String),
[INFO] [stdout]    |                  ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 34 ~     enum Scope<'a> {
[INFO] [stdout] 35 ~         Function(&'a String),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/main.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Global(&String),
[INFO] [stdout]    |                ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 34 ~     enum Scope<'a> {
[INFO] [stdout] 35 |         Function(&String),
[INFO] [stdout] 36 ~         Global(&'a String),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/main.rs:37:14
[INFO] [stdout]    |
[INFO] [stdout] 37 |         Loop(&String),
[INFO] [stdout]    |              ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 34 ~     enum Scope<'a> {
[INFO] [stdout] 35 |         Function(&String),
[INFO] [stdout] 36 |         Global(&String),
[INFO] [stdout] 37 ~         Loop(&'a String),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/main.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 |         None(&String),
[INFO] [stdout]    |              ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 34 ~     enum Scope<'a> {
[INFO] [stdout] 35 |         Function(&String),
[INFO] [stdout] 36 |         Global(&String),
[INFO] [stdout] 37 |         Loop(&String),
[INFO] [stdout] 38 ~         None(&'a String),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0106, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `practice` due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "22b13602c9744727e13e40cc7d73d3b0ed433d894a06c99187699cb5bc322acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b13602c9744727e13e40cc7d73d3b0ed433d894a06c99187699cb5bc322acb", kill_on_drop: false }`
[INFO] [stdout] 22b13602c9744727e13e40cc7d73d3b0ed433d894a06c99187699cb5bc322acb