[INFO] updating cached repository ThatsGobbles/taggu-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ThatsGobbles/taggu-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ThatsGobbles/taggu-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/ThatsGobbles/taggu-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ThatsGobbles/taggu-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ThatsGobbles/taggu-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThatsGobbles/taggu-rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThatsGobbles/taggu-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5a400888540da38362bbec2a1a450916aea5024d [INFO] sha for GitHub repo ThatsGobbles/taggu-rust: 5a400888540da38362bbec2a1a450916aea5024d [INFO] validating manifest of ThatsGobbles/taggu-rust 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 ThatsGobbles/taggu-rust 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 ThatsGobbles/taggu-rust [INFO] finished frobbing ThatsGobbles/taggu-rust [INFO] frobbed toml for ThatsGobbles/taggu-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/ThatsGobbles/taggu-rust/Cargo.toml [INFO] started frobbing ThatsGobbles/taggu-rust [INFO] finished frobbing ThatsGobbles/taggu-rust [INFO] frobbed toml for ThatsGobbles/taggu-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThatsGobbles/taggu-rust/Cargo.toml [INFO] crate ThatsGobbles/taggu-rust 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 ThatsGobbles/taggu-rust 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ThatsGobbles/taggu-rust:/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] 9b22dab5297d96754dbf3b08883aa066978bac1657a1774aeb8e9b7e4583ad3f [INFO] running `"docker" "start" "-a" "9b22dab5297d96754dbf3b08883aa066978bac1657a1774aeb8e9b7e4583ad3f"` [INFO] [stderr] Compiling maplit v1.0.0 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling backtrace v0.3.4 [INFO] [stderr] Compiling error-chain v0.12.0 [INFO] [stderr] Compiling taggu v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(generators, generator_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(type_ascription)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(entry_or_default)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Metadata` [INFO] [stderr] --> src/metadata/reader/mod.rs:7:16 [INFO] [stderr] | [INFO] [stderr] 7 | use metadata::{Metadata, MetaTarget, PathMetaListing}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] error[E0720]: opaque type expands to a recursive type [INFO] [stderr] --> src/metadata/mod.rs:149:63 [INFO] [stderr] | [INFO] [stderr] 149 | pub fn iter_over<'a>(&'a self, mis: MappingIterScheme) -> impl Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expands to self-referential type [INFO] [stderr] | [INFO] [stderr] = note: expanded type is `generator::GenConverter::gen_to_iter::It<[generator@src/metadata/mod.rs:150:23: 184:10 self:&'a metadata::MetaValue, mis:metadata::MappingIterScheme for<'r, 's, 't0, 't1, 't2, 't3, 't4, 't5, 't6, 't7, 't8, 't9, 't10, 't11, 't12, 't13, 't14, 't15, 't16, 't17, 't18, 't19, 't20, 't21, 't22, 't23, 't24, 't25, 't26, 't27, 't28, 't29, 't30, 't31, 't32, 't33, 't34, 't35, 't36, 't37, 't38, 't39, 't40, 't41> {&'r metadata::MetaValue, metadata::MetaValue, &'s std::string::String, (), &'t0 std::vec::Vec, fn(&'t1 std::vec::Vec) -> <&'t1 std::vec::Vec as std::iter::IntoIterator>::IntoIter {<&'t1 std::vec::Vec as std::iter::IntoIterator>::into_iter}, std::slice::Iter<'t2, metadata::MetaValue>, std::slice::Iter<'t3, metadata::MetaValue>, &'t4 metadata::MetaValue, &'t5 metadata::MetaValue, fn(std::boxed::Box) -> as std::iter::IntoIterator>::IntoIter { as std::iter::IntoIterator>::into_iter}, fn(impl std::iter::Iterator) -> std::boxed::Box {std::boxed::Box::::new}, &'t8 metadata::MetaValue, metadata::MappingIterScheme, impl std::iter::Iterator, std::boxed::Box, std::boxed::Box, std::boxed::Box, &'t13 std::string::String, &'t14 std::string::String, std::string::String, &'t15 std::string::String, &'t16 std::collections::BTreeMap, fn(&'t17 std::collections::BTreeMap) -> <&'t17 std::collections::BTreeMap as std::iter::IntoIterator>::IntoIter {<&'t17 std::collections::BTreeMap as std::iter::IntoIterator>::into_iter}, std::collections::btree_map::Iter<'t18, metadata::MetaKey, metadata::MetaValue>, std::collections::btree_map::Iter<'t19, metadata::MetaKey, metadata::MetaValue>, (&'t20 metadata::MetaKey, &'t21 metadata::MetaValue), &'t22 metadata::MetaKey, &'t23 metadata::MetaValue, fn(std::boxed::Box) -> as std::iter::IntoIterator>::IntoIter { as std::iter::IntoIterator>::into_iter}, fn(impl std::iter::Iterator) -> std::boxed::Box {std::boxed::Box::::new}, metadata::MetaKey, &'t26 metadata::MetaKey, impl std::iter::Iterator, std::boxed::Box, std::boxed::Box, std::boxed::Box, &'t31 std::string::String, &'t32 std::string::String, fn(std::boxed::Box) -> as std::iter::IntoIterator>::IntoIter { as std::iter::IntoIterator>::into_iter}, fn(impl std::iter::Iterator) -> std::boxed::Box {std::boxed::Box::::new}, &'t35 metadata::MetaValue, impl std::iter::Iterator, std::boxed::Box, std::boxed::Box, std::boxed::Box, &'t40 std::string::String, &'t41 std::string::String}]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `resume` found for type `G` in the current scope [INFO] [stderr] --> src/generator.rs:15:34 [INFO] [stderr] | [INFO] [stderr] 15 | match self.0.resume() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is implemented and in scope [INFO] [stderr] = note: the following trait defines an item `resume`, perhaps you need to implement it: [INFO] [stderr] candidate #1: `std::ops::Generator` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / error_chain!{ [INFO] [stderr] 4 | | errors { [INFO] [stderr] 5 | | NotADirectory(p: PathBuf) { [INFO] [stderr] 6 | | description("not a directory"), [INFO] [stderr] ... | [INFO] [stderr] 43 | | } [INFO] [stderr] 44 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/error.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | / error_chain!{ [INFO] [stderr] 4 | | errors { [INFO] [stderr] 5 | | NotADirectory(p: PathBuf) { [INFO] [stderr] 6 | | description("not a directory"), [INFO] [stderr] ... | [INFO] [stderr] 43 | | } [INFO] [stderr] 44 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0599, E0720. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `taggu`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "9b22dab5297d96754dbf3b08883aa066978bac1657a1774aeb8e9b7e4583ad3f"` [INFO] running `"docker" "rm" "-f" "9b22dab5297d96754dbf3b08883aa066978bac1657a1774aeb8e9b7e4583ad3f"` [INFO] [stdout] 9b22dab5297d96754dbf3b08883aa066978bac1657a1774aeb8e9b7e4583ad3f