[INFO] crate darling_core 0.10.0 is already in cache
[INFO] testing darling_core-0.10.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate darling_core 0.10.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate darling_core 0.10.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate darling_core 0.10.0
[INFO] finished tweaking crates.io crate darling_core 0.10.0
[INFO] tweaked toml for crates.io crate darling_core 0.10.0 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] c9a940f618c82c2a4e75fa08d7d33daf05f3e20a3cb56f485fd6394c9c25841b
[INFO] running `"docker" "start" "-a" "c9a940f618c82c2a4e75fa08d7d33daf05f3e20a3cb56f485fd6394c9c25841b"`
[INFO] [stderr]    Compiling darling_core v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:382:32
[INFO] [stderr]     |
[INFO] [stderr] 382 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/options/shape.rs:137:20
[INFO] [stderr]     |
[INFO] [stderr] 137 |         match word.trim_left_matches(self.prefix) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/options/shape.rs:191:34
[INFO] [stderr]     |
[INFO] [stderr] 191 |             let ty = self.prefix.trim_right_matches('_');
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `"docker" "inspect" "c9a940f618c82c2a4e75fa08d7d33daf05f3e20a3cb56f485fd6394c9c25841b"`
[INFO] running `"docker" "rm" "-f" "c9a940f618c82c2a4e75fa08d7d33daf05f3e20a3cb56f485fd6394c9c25841b"`
[INFO] [stdout] c9a940f618c82c2a4e75fa08d7d33daf05f3e20a3cb56f485fd6394c9c25841b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 85d8d37f79547a4235c489483581810a9306f8104cf1f169bb9e12cdafe64c2e
[INFO] running `"docker" "start" "-a" "85d8d37f79547a4235c489483581810a9306f8104cf1f169bb9e12cdafe64c2e"`
[INFO] [stderr]    Compiling darling_core v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find value `idents` in this scope
[INFO] [stderr]   --> src/util/path_list.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |             idents.to_strings(),
[INFO] [stderr]    |             ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:382:32
[INFO] [stderr]     |
[INFO] [stderr] 382 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `ok_or` found for type `std::result::Result<syn::Meta, syn::Error>` in the current scope
[INFO] [stderr]    --> src/from_meta.rs:390:32
[INFO] [stderr]     |
[INFO] [stderr] 390 |         attribute.parse_meta().ok_or("Unable to parse".into())
[INFO] [stderr]     |                                ^^^^^ method not found in `std::result::Result<syn::Meta, syn::Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/options/shape.rs:137:20
[INFO] [stderr]     |
[INFO] [stderr] 137 |         match word.trim_left_matches(self.prefix) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/options/shape.rs:191:34
[INFO] [stderr]     |
[INFO] [stderr] 191 |             let ty = self.prefix.trim_right_matches('_');
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `ok_or` found for type `std::result::Result<syn::Meta, syn::Error>` in the current scope
[INFO] [stderr]   --> src/util/path_list.rs:73:32
[INFO] [stderr]    |
[INFO] [stderr] 73 |         attribute.parse_meta().ok_or("Unable to parse".into())
[INFO] [stderr]    |                                ^^^^^ method not found in `std::result::Result<syn::Meta, syn::Error>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `darling_core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "85d8d37f79547a4235c489483581810a9306f8104cf1f169bb9e12cdafe64c2e"`
[INFO] running `"docker" "rm" "-f" "85d8d37f79547a4235c489483581810a9306f8104cf1f169bb9e12cdafe64c2e"`
[INFO] [stdout] 85d8d37f79547a4235c489483581810a9306f8104cf1f169bb9e12cdafe64c2e