[INFO] crate scdlang 0.2.1 is already in cache
[INFO] extracting crate scdlang 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/scdlang/0.2.1
[INFO] extracting crate scdlang 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/scdlang/0.2.1
[INFO] validating manifest of scdlang-0.2.1 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 scdlang-0.2.1 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 scdlang-0.2.1
[INFO] finished frobbing scdlang-0.2.1
[INFO] frobbed toml for scdlang-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/scdlang/0.2.1/Cargo.toml
[INFO] started frobbing scdlang-0.2.1
[INFO] finished frobbing scdlang-0.2.1
[INFO] frobbed toml for scdlang-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/scdlang/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing scdlang-0.2.1 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/scdlang/0.2.1:/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] 046f99ef6b59a8341436b2764da54e25ee1e2b962e663e75a726d9fc3d0dd673
[INFO] running `"docker" "start" "-a" "046f99ef6b59a8341436b2764da54e25ee1e2b962e663e75a726d9fc3d0dd673"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling either v1.5.2
[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 scdlang v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/semantics/kind.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn action(&self) -> Option<&Any/*👈TBD*/> {
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[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/semantics/kind.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn action(&self) -> Option<&Any /*👈TBD*/>;
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.79s
[INFO] running `"docker" "inspect" "046f99ef6b59a8341436b2764da54e25ee1e2b962e663e75a726d9fc3d0dd673"`
[INFO] running `"docker" "rm" "-f" "046f99ef6b59a8341436b2764da54e25ee1e2b962e663e75a726d9fc3d0dd673"`
[INFO] [stdout] 046f99ef6b59a8341436b2764da54e25ee1e2b962e663e75a726d9fc3d0dd673
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/scdlang/0.2.1:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] d0144f8b6efcf3091cd7c82f5398febc5b48bb2ebbdcc42f82dbf1d68decc8ee
[INFO] running `"docker" "start" "-a" "d0144f8b6efcf3091cd7c82f5398febc5b48bb2ebbdcc42f82dbf1d68decc8ee"`
[INFO] [stderr]    Compiling scdlang v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/semantics/kind.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn action(&self) -> Option<&Any/*👈TBD*/> {
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[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/semantics/kind.rs:70:30
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn action(&self) -> Option<&Any /*👈TBD*/>;
[INFO] [stderr]    |                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `"docker" "inspect" "d0144f8b6efcf3091cd7c82f5398febc5b48bb2ebbdcc42f82dbf1d68decc8ee"`
[INFO] running `"docker" "rm" "-f" "d0144f8b6efcf3091cd7c82f5398febc5b48bb2ebbdcc42f82dbf1d68decc8ee"`
[INFO] [stdout] d0144f8b6efcf3091cd7c82f5398febc5b48bb2ebbdcc42f82dbf1d68decc8ee
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/scdlang/0.2.1:/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" "test" "--frozen"`
[INFO] [stdout] 356247f81b662bb1039d45bf56fae4de766c751b5691885fdaaa656e517b5e0f
[INFO] running `"docker" "start" "-a" "356247f81b662bb1039d45bf56fae4de766c751b5691885fdaaa656e517b5e0f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scdlang-36ecd4b2bd72a76c
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test core::test::toggle_transition ... ok
[INFO] [stdout] test core::test::should_fail_when::use_wrong_symbol ... ok
[INFO] [stdout] test core::test::transient_loop_from ... ok
[INFO] [stdout] test core::test::self_transition ... ok
[INFO] [stdout] test core::test::transient_loop_to ... ok
[INFO] [stdout] test core::test::loop_to ... ok
[INFO] [stdout] test core::test::transition_from ... ok
[INFO] [stdout] test semantics::transition::pair::loop_transition ... ok
[INFO] [stdout] test core::test::transition_to ... ok
[INFO] [stdout] test error::variant::syntax_error ... ok
[INFO] [stdout] test core::test::trigger_at ... ok
[INFO] [stdout] test semantics::transition::pair::normal_transition ... ok
[INFO] [stdout] test semantics::transition::pair::toggle_transition ... ok
[INFO] [stdout] test semantics::transition::pair::semantics_error::ambigous_transition::transient_transition_before_trigger ... ok
[INFO] [stdout] test semantics::transition::pair::semantics_error::duplicate_transient_transition ... ok
[INFO] [stdout] test semantics::transition::pair::semantics_error::duplicate_transition_with_same_trigger ... ok
[INFO] [stdout] test core::test::loop_from ... ok
[INFO] [stdout] test semantics::transition::pair::fix_issues::indirect_loop_transition ... ok
[INFO] [stdout] test semantics::transition::pair::semantics_error::ambigous_transition::transient_transition_after_trigger ... ok
[INFO] [stdout] test semantics::transition::pair::transient_loop_transition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scdlang
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/core/builder.rs - core::builder::Scdlang (line 9) ... ignored
[INFO] [stdout] test src/external.rs - external (line 44) ... ignored
[INFO] [stdout] test src/lib.rs - grammar (line 23) ... ignored
[INFO] [stdout] test src/core/parser.rs - core::parser::parse (line 13) ... FAILED
[INFO] [stdout] test src/external.rs - external (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/core/parser.rs - core::parser::parse (line 13) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]  --> src/core/parser.rs:14:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let token_pairs = parse("A -> B")?;
[INFO] [stdout]   |                   ^^^^^ not found in this scope
[INFO] [stdout] help: possible candidate is found in another module, you can import it into scope
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scdlang::parse;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/core/parser.rs:15:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | println("{:#?}", token_pairs);
[INFO] [stdout]   | ^^^^^^^ help: use `!` to invoke the macro: `println!`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]  --> src/core/parser.rs:14:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | let token_pairs = parse("A -> B")?;
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]   = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0423, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/external.rs - external (line 7) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Scdlang`
[INFO] [stdout]   --> src/external.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut builder = Scdlang::new();
[INFO] [stdout]    |                           ^^^^^^^ use of undeclared type or module `Scdlang`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `error`
[INFO] [stdout]   --> src/external.rs:33:65
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn insert_parse(&mut self, source: &str) -> Result<(), Box<dyn error::Error>> {
[INFO] [stdout]    |                                                                    ^^^^^ use of undeclared type or module `error`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `error`
[INFO] [stdout]   --> src/external.rs:37:75
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn try_parse(source: &str, builder: Scdlang<'a>) -> Result<Self, Box<dyn error::Error>> {
[INFO] [stdout]    |                                                                              ^^^^^ use of undeclared type or module `error`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Scdlang` in this scope
[INFO] [stdout]  --> src/external.rs:10:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     builder: Scdlang<'a>, // or any type that implmenet trait `Builder`
[INFO] [stdout]   |              ^^^^^^^ not found in this scope
[INFO] [stdout] help: possible candidate is found in another module, you can import it into scope
[INFO] [stdout]   |
[INFO] [stdout] 2 | use scdlang::Scdlang;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Parser` in this scope
[INFO] [stdout]   --> src/external.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a> Parser<'a> for Machine<'a> {
[INFO] [stdout]    |          ^^^^^^ not found in this scope
[INFO] [stdout] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stdout]    |
[INFO] [stdout] 2  | use pest::Parser;
[INFO] [stdout]    |
[INFO] [stdout] 2  | use scdlang::external::Parser;
[INFO] [stdout]    |
[INFO] [stdout] 2  | use scdlang::prelude::Parser;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Builder` in this scope
[INFO] [stdout]   --> src/external.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn configure(&mut self) -> &mut Builder<'a> {
[INFO] [stdout]    |                                     ^^^^^^^ not found in this scope
[INFO] [stdout] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stdout]    |
[INFO] [stdout] 2  | use scdlang::external::Builder;
[INFO] [stdout]    |
[INFO] [stdout] 2  | use scdlang::prelude::Builder;
[INFO] [stdout]    |
[INFO] [stdout] 2  | use std::thread::Builder;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DynError` in this scope
[INFO] [stdout]   --> src/external.rs:28:50
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn parse(&mut self, source: &str) -> Result<(), DynError> {
[INFO] [stdout]    |                                                     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Scdlang` in this scope
[INFO] [stdout]   --> src/external.rs:37:38
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn try_parse(source: &str, builder: Scdlang<'a>) -> Result<Self, Box<dyn error::Error>> {
[INFO] [stdout]    |                                         ^^^^^^^ not found in this scope
[INFO] [stdout] help: possible candidate is found in another module, you can import it into scope
[INFO] [stdout]    |
[INFO] [stdout] 2  | use scdlang::Scdlang;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/external.rs:11:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     schema: std::any::Any,
[INFO] [stdout]   |             ^^^^^^^^^^^^^ help: use `dyn`: `dyn std::any::Any`
[INFO] [stdout]   |
[INFO] [stdout]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/core/parser.rs - core::parser::parse (line 13)
[INFO] [stdout]     src/external.rs - external (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "356247f81b662bb1039d45bf56fae4de766c751b5691885fdaaa656e517b5e0f"`
[INFO] running `"docker" "rm" "-f" "356247f81b662bb1039d45bf56fae4de766c751b5691885fdaaa656e517b5e0f"`
[INFO] [stdout] 356247f81b662bb1039d45bf56fae4de766c751b5691885fdaaa656e517b5e0f