[INFO] updating cached repository https://github.com/GrandArchTemplar/python-useless-rust-too
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 358eb4fc9ed81f26aa944856775321417af7ea19
[INFO] testing GrandArchTemplar/python-useless-rust-too against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrandArchTemplar%2Fpython-useless-rust-too" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GrandArchTemplar/python-useless-rust-too on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/GrandArchTemplar/python-useless-rust-too
[INFO] finished tweaking git repo https://github.com/GrandArchTemplar/python-useless-rust-too
[INFO] tweaked toml for git repo https://github.com/GrandArchTemplar/python-useless-rust-too written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/GrandArchTemplar/python-useless-rust-too already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] a1d75c2c99c72361dcc7f2211bca0bdc87548b1980849b84192d91f8e26cce24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a1d75c2c99c72361dcc7f2211bca0bdc87548b1980849b84192d91f8e26cce24"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling python-useless-rust-too v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::program::Program`
[INFO] [stderr]  --> src/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::program::Program;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/parser.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |         return (self.parse.borrow())(input)
[INFO] [stderr]    |                ------------^^^^^^---
[INFO] [stderr]    |                |           |
[INFO] [stderr]    |                |           cannot infer type for type parameter `Borrowed` declared on the trait `Borrow`
[INFO] [stderr]    |                this method call resolves to `&Borrowed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: type must be known at this point
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/parser.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |           parse: Box::new(|input| {
[INFO] [stderr]    |  _________________________^
[INFO] [stderr] 66 | |             return match left.parse(input) {
[INFO] [stderr] 67 | |                 Ok(x) => Ok(x),
[INFO] [stderr] 68 | |                 Err(err) => right.parse(input),
[INFO] [stderr] 69 | |             };
[INFO] [stderr] 70 | |         })
[INFO] [stderr]    | |_________^ expected fn pointer, found closure
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected fn pointer `fn(utils::GlitchType<T>) -> std::result::Result<utils::GlitchType<T>, std::string::String>`
[INFO] [stderr]                  found closure `[closure@src/parser.rs:65:25: 70:10 left:_, right:_]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0282, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `python-useless-rust-too`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a1d75c2c99c72361dcc7f2211bca0bdc87548b1980849b84192d91f8e26cce24"`
[INFO] running `"docker" "rm" "-f" "a1d75c2c99c72361dcc7f2211bca0bdc87548b1980849b84192d91f8e26cce24"`
[INFO] [stdout] a1d75c2c99c72361dcc7f2211bca0bdc87548b1980849b84192d91f8e26cce24