[INFO] updating cached repository https://github.com/swizzard/lisp
[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] 5c705cea5e4420b4937b2a7902c7efb28a889bde
[INFO] testing swizzard/lisp against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswizzard%2Flisp" "/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/swizzard/lisp 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/swizzard/lisp
[INFO] finished tweaking git repo https://github.com/swizzard/lisp
[INFO] tweaked toml for git repo https://github.com/swizzard/lisp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/swizzard/lisp 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 474d8d08e1f5a751e97470bb4d5b11232a5a926ddb82cc623011f241bf4c9a09
[INFO] running `"docker" "start" "-a" "474d8d08e1f5a751e97470bb4d5b11232a5a926ddb82cc623011f241bf4c9a09"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:26:52
[INFO] [stderr]    |
[INFO] [stderr] 15 |       let f = |args: Args| {
[INFO] [stderr]    |  _____________-
[INFO] [stderr] 16 | |         let name = "+";
[INFO] [stderr] 17 | |         let fu = p.lookup(name)?;
[INFO] [stderr] 18 | |         let fu = fu.unwrap_func().ok_or(ErrType::not_a_function(name))?;
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |         Ok(fu(vec![*a, *b, c]))
[INFO] [stderr] 24 | |     };
[INFO] [stderr]    | |_____- the found closure
[INFO] [stderr] 25 |       let func_name = "f";
[INFO] [stderr] 26 |       p.register_func(func_name, Arity::SomeArgs(1), f);
[INFO] [stderr]    |                                                      ^ expected fn pointer, found closure
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected fn pointer `fn(std::vec::Vec<lisp::types::Val>) -> std::result::Result<lisp::types::Val, lisp::errors::ErrType>`
[INFO] [stderr]                  found closure `[closure@src/main.rs:15:13: 24:6 p:_]`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]  --> src/main.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn test() -> Res {
[INFO] [stderr]   |    ----      ^^^ expected enum `std::result::Result`, found `()`
[INFO] [stderr]   |    |
[INFO] [stderr]   |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]   |
[INFO] [stderr]   = note:   expected enum `std::result::Result<lisp::types::Val, lisp::errors::ErrType>`
[INFO] [stderr]           found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `lisp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "474d8d08e1f5a751e97470bb4d5b11232a5a926ddb82cc623011f241bf4c9a09"`
[INFO] running `"docker" "rm" "-f" "474d8d08e1f5a751e97470bb4d5b11232a5a926ddb82cc623011f241bf4c9a09"`
[INFO] [stdout] 474d8d08e1f5a751e97470bb4d5b11232a5a926ddb82cc623011f241bf4c9a09