[INFO] updating cached repository ging0044/toy-language
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ging0044/toy-language
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ging0044/toy-language" "work/ex/beta-1.38-1/sources/1.37.0/gh/ging0044/toy-language"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ging0044/toy-language'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ging0044/toy-language" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ging0044/toy-language"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ging0044/toy-language'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e7d7f3bcb181ee03cb1088101a589f84202a7a4
[INFO] sha for GitHub repo ging0044/toy-language: 2e7d7f3bcb181ee03cb1088101a589f84202a7a4
[INFO] validating manifest of ging0044/toy-language on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ging0044/toy-language on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ging0044/toy-language
[INFO] finished frobbing ging0044/toy-language
[INFO] frobbed toml for ging0044/toy-language written to work/ex/beta-1.38-1/sources/1.37.0/gh/ging0044/toy-language/Cargo.toml
[INFO] started frobbing ging0044/toy-language
[INFO] finished frobbing ging0044/toy-language
[INFO] frobbed toml for ging0044/toy-language written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ging0044/toy-language/Cargo.toml
[INFO] crate ging0044/toy-language already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ging0044/toy-language against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ging0044/toy-language:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 20ee65443d8b9813a08ac0fddd59cbd5b68191ab9bbeb36286d3239b69b7785b
[INFO] running `"docker" "start" "-a" "20ee65443d8b9813a08ac0fddd59cbd5b68191ab9bbeb36286d3239b69b7785b"`
[INFO] [stderr]    Compiling toy-language v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/parser/parser.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl fmt::Debug for Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<AST>) -> AST`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/parser.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl PartialEq for Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<AST>) -> AST`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/parser.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn eq(&self, _: &Box<Fn(Vec<AST>) -> AST>) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<AST>) -> AST`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/parser.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Clone for Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<AST>) -> AST`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/parser.rs:17:28
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn clone(&self) -> Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<AST>) -> AST`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/parser.rs:44:28
[INFO] [stderr]    |
[INFO] [stderr] 44 |         native: Option<Box<Fn(Vec<AST>) -> AST>>
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<AST>) -> AST`
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::cmp::PartialEq` for type `std::boxed::Box<(dyn std::ops::Fn(std::vec::Vec<parser::parser::AST>) -> parser::parser::AST + 'static)>`:
[INFO] [stderr]   --> src/parser/parser.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl PartialEq for Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: conflicting implementation in crate `alloc`:
[INFO] [stderr]            - impl<T> std::cmp::PartialEq for std::boxed::Box<T>
[INFO] [stderr]              where T: std::cmp::PartialEq, T: ?Sized;
[INFO] [stderr]    = note: upstream crates may add new impl of trait `std::cmp::PartialEq` for type `(dyn std::ops::Fn(std::vec::Vec<parser::parser::AST>) -> parser::parser::AST + 'static)` in future versions
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `std::fmt::Debug` for type `std::boxed::Box<(dyn std::ops::Fn(std::vec::Vec<parser::parser::AST>) -> parser::parser::AST + 'static)>`:
[INFO] [stderr]  --> src/parser/parser.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl fmt::Debug for Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: conflicting implementation in crate `alloc`:
[INFO] [stderr]           - impl<T> std::fmt::Debug for std::boxed::Box<T>
[INFO] [stderr]             where T: std::fmt::Debug, T: ?Sized;
[INFO] [stderr]   = note: upstream crates may add new impl of trait `std::fmt::Debug` for type `(dyn std::ops::Fn(std::vec::Vec<parser::parser::AST>) -> parser::parser::AST + 'static)` in future versions
[INFO] [stderr] 
[INFO] [stderr] error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
[INFO] [stderr]  --> src/parser/parser.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl fmt::Debug for Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
[INFO] [stderr]   |
[INFO] [stderr]   = note: the impl does not reference only types defined in this crate
[INFO] [stderr]   = note: define and implement a trait or new type instead
[INFO] [stderr] 
[INFO] [stderr] error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
[INFO] [stderr]   --> src/parser/parser.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl PartialEq for Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
[INFO] [stderr]    |
[INFO] [stderr]    = note: the impl does not reference only types defined in this crate
[INFO] [stderr]    = note: define and implement a trait or new type instead
[INFO] [stderr] 
[INFO] [stderr] error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
[INFO] [stderr]   --> src/parser/parser.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Clone for Box<Fn(Vec<AST>) -> AST> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl doesn't use types inside crate
[INFO] [stderr]    |
[INFO] [stderr]    = note: the impl does not reference only types defined in this crate
[INFO] [stderr]    = note: define and implement a trait or new type instead
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0117, E0119.
[INFO] [stderr] For more information about an error, try `rustc --explain E0117`.
[INFO] [stderr] error: Could not compile `toy-language`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "20ee65443d8b9813a08ac0fddd59cbd5b68191ab9bbeb36286d3239b69b7785b"`
[INFO] running `"docker" "rm" "-f" "20ee65443d8b9813a08ac0fddd59cbd5b68191ab9bbeb36286d3239b69b7785b"`
[INFO] [stdout] 20ee65443d8b9813a08ac0fddd59cbd5b68191ab9bbeb36286d3239b69b7785b