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# rustc version rustc 1.26.0-dev (0eb87c9bf 2018-03-16)
# docs.rs version cratesfyi 0.5.0 (579f83b 2018-03-05)
# build log Updating registry `https://github.com/rust-lang/crates.io-index` Downloading programinduction v0.6.2 Fresh maplit v1.0.1 Fresh libc v0.2.40 Fresh lazy_static v1.0.0 Fresh cfg-if v0.1.3 Fresh rand_core v0.2.0-pre.0 Fresh memoffset v0.1.0 Fresh stable_deref_trait v1.0.0 Fresh memoffset v0.2.1 Fresh num_cpus v1.8.0 Fresh rand v0.4.2 Fresh smallvec v0.6.1 Fresh crossbeam-utils v0.2.2 Fresh nodrop v0.1.12 Fresh owning_ref v0.3.3 Fresh rand v0.5.0-pre.2 Fresh lazy_static v0.2.11 Fresh either v1.5.0 Fresh scopeguard v0.3.3 Fresh parking_lot_core v0.2.14 Fresh memchr v2.0.1 Fresh arrayvec v0.4.7 Fresh itertools v0.7.8 Fresh parking_lot v0.4.8 Fresh nom v4.0.0 Fresh crossbeam-epoch v0.3.1 Fresh crossbeam-epoch v0.2.0 Fresh polytype v4.2.1 Fresh crossbeam-deque v0.2.0 Fresh crossbeam-channel v0.1.2 Fresh rayon-core v1.4.0 Fresh rayon v1.0.1 Documenting programinduction v0.6.2 Running `rustdoc --crate-name programinduction .cargo/registry/src/github.com-1ecc6299db9ec823/programinduction-0.6.2/src/lib.rs -o /home/cratesfyi/cratesfyi/doc -Z unstable-options --resource-suffix -20180316-1.26.0-dev-0eb87c9bf --html-in-header .cargo/registry/src/github.com-1ecc6299db9ec823/programinduction-0.3.0/rustdoc-include-katex-header.html -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern maplit=/home/cratesfyi/cratesfyi/debug/deps/libmaplit-ed830f285ec13a63.rlib --extern-version maplit=maplit,1.0.1 --extern lazy_static=/home/cratesfyi/cratesfyi/debug/deps/liblazy_static-d78457efc2ee8353.rlib --extern-version lazy_static=lazy_static,1.0.0 --extern itertools=/home/cratesfyi/cratesfyi/debug/deps/libitertools-a15b6570ce0da9e4.rlib --extern-version itertools=itertools,0.7.8 --extern crossbeam_channel=/home/cratesfyi/cratesfyi/debug/deps/libcrossbeam_channel-8fde2b5b560de5dc.rlib --extern-version crossbeam_channel=crossbeam-channel,0.1.2 --extern rand=/home/cratesfyi/cratesfyi/debug/deps/librand-7e5d9dec5d6350b3.rlib --extern-version rand=rand,0.5.0-pre.2 --extern polytype=/home/cratesfyi/cratesfyi/debug/deps/libpolytype-d0bdccc824a4fefa.rlib --extern-version polytype=polytype,4.2.1 --extern nom=/home/cratesfyi/cratesfyi/debug/deps/libnom-015ff15221a1b314.rlib --extern-version nom=nom,4.0.0 --extern rayon=/home/cratesfyi/cratesfyi/debug/deps/librayon-ffcd0bd995b9136b.rlib --extern-version rayon=rayon,1.0.1` error[E0658]: `impl Trait` in return position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/programinduction-0.6.2/src/lambda/compression.rs:884:10 | 884 | ) -> impl Iterator<Item = Fragment> + 'a { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(conservative_impl_trait)] to the crate attributes to enable error[E0658]: `impl Trait` in return position is experimental (see issue #34511) --> .cargo/registry/src/github.com-1ecc6299db9ec823/programinduction-0.6.2/src/lambda/compression.rs:922:43 | 922 | fn to_inventions(expr: Expression) -> impl Iterator<Item = Expression> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: add #![feature(conservative_impl_trait)] to the crate attributes to enable error: Compilation failed, aborting rustdoc thread 'main' panicked at 'Error( CargoError( ChainedError { error: Could not document `programinduction`., cause: process didn't exit successfully: `rustdoc --crate-name programinduction .cargo/registry/src/github.com-1ecc6299db9ec823/programinduction-0.6.2/src/lib.rs -o /home/cratesfyi/cratesfyi/doc -Z unstable-options --resource-suffix -20180316-1.26.0-dev-0eb87c9bf --html-in-header .cargo/registry/src/github.com-1ecc6299db9ec823/programinduction-0.3.0/rustdoc-include-katex-header.html -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern maplit=/home/cratesfyi/cratesfyi/debug/deps/libmaplit-ed830f285ec13a63.rlib --extern-version maplit=maplit,1.0.1 --extern lazy_static=/home/cratesfyi/cratesfyi/debug/deps/liblazy_static-d78457efc2ee8353.rlib --extern-version lazy_static=lazy_static,1.0.0 --extern itertools=/home/cratesfyi/cratesfyi/debug/deps/libitertools-a15b6570ce0da9e4.rlib --extern-version itertools=itertools,0.7.8 --extern crossbeam_channel=/home/cratesfyi/cratesfyi/debug/deps/libcrossbeam_channel-8fde2b5b560de5dc.rlib --extern-version crossbeam_channel=crossbeam-channel,0.1.2 --extern rand=/home/cratesfyi/cratesfyi/debug/deps/librand-7e5d9dec5d6350b3.rlib --extern-version rand=rand,0.5.0-pre.2 --extern polytype=/home/cratesfyi/cratesfyi/debug/deps/libpolytype-d0bdccc824a4fefa.rlib --extern-version polytype=polytype,4.2.1 --extern nom=/home/cratesfyi/cratesfyi/debug/deps/libnom-015ff15221a1b314.rlib --extern-version nom=nom,4.0.0 --extern rayon=/home/cratesfyi/cratesfyi/debug/deps/librayon-ffcd0bd995b9136b.rlib --extern-version rayon=rayon,1.0.1` (exit code: 101) } ), State { next_error: None, backtrace: None } )', src/bin/cratesfyi.rs:142:13 note: Run with `RUST_BACKTRACE=1` for a backtrace.