[INFO] updating cached repository https://github.com/Zhihang-Liu/slot_lang
[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] 7aeb5c5b9803f3eb7b82ed59e09a5bd43b585186
[INFO] testing Zhihang-Liu/slot_lang against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhihang-Liu%2Fslot_lang" "/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/Zhihang-Liu/slot_lang 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/Zhihang-Liu/slot_lang
[INFO] finished tweaking git repo https://github.com/Zhihang-Liu/slot_lang
[INFO] tweaked toml for git repo https://github.com/Zhihang-Liu/slot_lang written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Zhihang-Liu/slot_lang 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] 5dc5bb0d5d565d5632931bfa49026f0fe7c6f990dd86e1f196189160b5817be0
[INFO] running `"docker" "start" "-a" "5dc5bb0d5d565d5632931bfa49026f0fe7c6f990dd86e1f196189160b5817be0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling slot_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `std::rc::Rc<raw_parser::s_expr::List>: std::convert::From<std::vec::Vec<raw_parser::s_expr::OffsetExpr>>` is not satisfied
[INFO] [stderr]   --> src/raw_parser/parser.rs:79:48
[INFO] [stderr]    |
[INFO] [stderr] 79 |     Some(OffsetExpr(AstNode(s_expr::Expr::List(Rc::from(v)), pos)))
[INFO] [stderr]    |                                                ^^^^^^^^^^^ the trait `std::convert::From<std::vec::Vec<raw_parser::s_expr::OffsetExpr>>` is not implemented for `std::rc::Rc<raw_parser::s_expr::List>`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the following implementations were found:
[INFO] [stderr]              <std::rc::Rc<B> as std::convert::From<std::borrow::Cow<'a, B>>>
[INFO] [stderr]              <std::rc::Rc<T> as std::convert::From<T>>
[INFO] [stderr]              <std::rc::Rc<T> as std::convert::From<std::boxed::Box<T>>>
[INFO] [stderr]              <std::rc::Rc<[T]> as std::convert::From<&[T]>>
[INFO] [stderr]            and 9 others
[INFO] [stderr]    = note: required by `std::convert::From::from`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/parser/parser.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 26 |             if is_all_const(lst) {
[INFO] [stderr]    |                             ^^^ expected struct `std::vec::Vec`, found enum `raw_parser::s_expr::List`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected reference `&std::rc::Rc<std::vec::Vec<raw_parser::s_expr::OffsetExpr>>`
[INFO] [stderr]               found reference `&std::rc::Rc<raw_parser::s_expr::List>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `iter` found for reference `&std::rc::Rc<raw_parser::s_expr::List>` in the current scope
[INFO] [stderr]   --> src/parser/parser.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 for item in lst.iter() {
[INFO] [stderr]    |                                 ^^^^ method not found in `&std::rc::Rc<raw_parser::s_expr::List>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `slot_lang`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5dc5bb0d5d565d5632931bfa49026f0fe7c6f990dd86e1f196189160b5817be0"`
[INFO] running `"docker" "rm" "-f" "5dc5bb0d5d565d5632931bfa49026f0fe7c6f990dd86e1f196189160b5817be0"`
[INFO] [stdout] 5dc5bb0d5d565d5632931bfa49026f0fe7c6f990dd86e1f196189160b5817be0