[INFO] cloning repository https://github.com/nyeogmi/kupo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyeogmi/kupo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyeogmi%2Fkupo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyeogmi%2Fkupo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d55623b4796b9dd00ebea8713d81246c6ee5741d
[INFO] testing nyeogmi/kupo against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyeogmi%2Fkupo" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyeogmi/kupo on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nyeogmi/kupo
[INFO] finished tweaking git repo https://github.com/nyeogmi/kupo
[INFO] tweaked toml for git repo https://github.com/nyeogmi/kupo written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/nyeogmi/kupo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 746dbaff11d9b2dadd6b88197ad63ee5085bb903d7149c3e10b48e8a477e8adc
[INFO] running `Command { std: "docker" "start" "-a" "746dbaff11d9b2dadd6b88197ad63ee5085bb903d7149c3e10b48e8a477e8adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "746dbaff11d9b2dadd6b88197ad63ee5085bb903d7149c3e10b48e8a477e8adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746dbaff11d9b2dadd6b88197ad63ee5085bb903d7149c3e10b48e8a477e8adc", kill_on_drop: false }`
[INFO] [stdout] 746dbaff11d9b2dadd6b88197ad63ee5085bb903d7149c3e10b48e8a477e8adc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 782c063be85f14004eeff7f11eb3fb522d53740ff886ffd3f298f40eff90e276
[INFO] running `Command { std: "docker" "start" "-a" "782c063be85f14004eeff7f11eb3fb522d53740ff886ffd3f298f40eff90e276", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling moogle v0.3.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/internal_structures/to_one.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |     type Iter = impl 'a+DoubleEndedIterator<Item=V>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/internal_structures/to_one.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |     type Iter = impl 'a+DoubleEndedIterator<Item=V>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/internal_structures/to_many.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |     type Iter = impl 'a+DoubleEndedIterator<Item=V>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/internal_structures/to_many.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |     type Iter = impl DoubleEndedIterator<Item=V>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:73:19
[INFO] [stdout]    |
[INFO] [stdout] 73 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:104:19
[INFO] [stdout]     |
[INFO] [stdout] 104 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_one.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::VMulti)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:74:19
[INFO] [stdout]    |
[INFO] [stdout] 74 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::VMulti)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:167:19
[INFO] [stdout]     |
[INFO] [stdout] 167 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 179 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:180:17
[INFO] [stdout]     |
[INFO] [stdout] 180 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/one_to_many.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |     type Sets = impl 'a+DoubleEndedIterator<Item=(B, Self::VMulti)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |     type Sets = impl 'a+DoubleEndedIterator<Item=(B, Self::VMulti)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:139:19
[INFO] [stdout]     |
[INFO] [stdout] 139 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_one.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::VMulti)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:75:19
[INFO] [stdout]    |
[INFO] [stdout] 75 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::VMulti)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:95:19
[INFO] [stdout]    |
[INFO] [stdout] 95 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 |     type Sets = impl 'a+DoubleEndedIterator<Item=(B, Self::VMulti)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:175:19
[INFO] [stdout]     |
[INFO] [stdout] 175 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:193:17
[INFO] [stdout]     |
[INFO] [stdout] 193 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |     type Sets = impl 'a+DoubleEndedIterator<Item=(B, Self::VMulti)>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:195:19
[INFO] [stdout]     |
[INFO] [stdout] 195 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:229:17
[INFO] [stdout]     |
[INFO] [stdout] 229 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_junctions/many_to_many.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_one/backward.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_one/backward.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_one/backward.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_one/forward.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_one/forward.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_one/forward.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_many/backward.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_many/backward.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_many/backward.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_many/forward.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_many/forward.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_many/forward.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::Multi)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_many/forward.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/one_to_many/forward.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_one/backward.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_one/backward.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_one/backward.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     type Sets = impl 'a+DoubleEndedIterator<Item=(B, Self::Multi)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_one/backward.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_one/backward.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_one/forward.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_one/forward.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_one/forward.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/backward.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Iter = impl 'a+DoubleEndedIterator<Item=(B, A)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/backward.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     type Keys = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/backward.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     type Sets = impl 'a+DoubleEndedIterator<Item=(B, Self::Multi)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/backward.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type Values = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/backward.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/forward.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/forward.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/forward.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::Multi)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/forward.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_junctions/many_to_many/forward.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/set.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/set.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_one.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_one.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_one.rs:51:19
[INFO] [stdout]    |
[INFO] [stdout] 51 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_one.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_one.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_one.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::VMulti)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::VMulti)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/raw_structures/to_many.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/set.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type Iter = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/to_one.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/to_one.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/to_one.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/to_many.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |     type Iter = impl 'a+DoubleEndedIterator<Item=(A, B)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/to_many.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     type Keys = impl 'a+DoubleEndedIterator<Item=A>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/to_many.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     type Sets = impl 'a+DoubleEndedIterator<Item=(A, Self::Multi)>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/to_many.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     type Values = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/moogle-0.3.1/src/shared_structures/to_many.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |     type Iter = impl 'a+DoubleEndedIterator<Item=B>;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 128 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `moogle` due to 129 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "782c063be85f14004eeff7f11eb3fb522d53740ff886ffd3f298f40eff90e276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782c063be85f14004eeff7f11eb3fb522d53740ff886ffd3f298f40eff90e276", kill_on_drop: false }`
[INFO] [stdout] 782c063be85f14004eeff7f11eb3fb522d53740ff886ffd3f298f40eff90e276