[INFO] fetching crate specs_guided_join 0.2.1...
[INFO] extracting crate specs_guided_join 0.2.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/specs_guided_join/0.2.1
[INFO] extracting crate specs_guided_join 0.2.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/specs_guided_join/0.2.1
[INFO] validating manifest of specs_guided_join-0.2.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of specs_guided_join-0.2.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing specs_guided_join-0.2.1
[INFO] finished frobbing specs_guided_join-0.2.1
[INFO] frobbed toml for specs_guided_join-0.2.1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/specs_guided_join/0.2.1/Cargo.toml
[INFO] started frobbing specs_guided_join-0.2.1
[INFO] finished frobbing specs_guided_join-0.2.1
[INFO] frobbed toml for specs_guided_join-0.2.1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/specs_guided_join/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing specs_guided_join-0.2.1 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/specs_guided_join/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 4179dc50d3635950c6b35628c77620e2e0dfd4a7b8e23c6cab1ca3a453a2697a
[INFO] running `"docker" "start" "-a" "4179dc50d3635950c6b35628c77620e2e0dfd4a7b8e23c6cab1ca3a453a2697a"`
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling crossbeam v0.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling shred v0.7.2
[INFO] [stderr]    Compiling hibitset v0.5.4
[INFO] [stderr]    Compiling hibitset v0.6.0
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling specs_guided_join v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `iter` found for type `<J as specs::Join>::Mask` in the current scope
[INFO] [stderr]   --> src/guided_join.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |         for idx in keys.iter() {
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `iter` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `&<J as specs::Join>::Mask : hibitset::BitSetLike`
[INFO] [stderr]            `&mut <J as specs::Join>::Mask : hibitset::BitSetLike`
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]    = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]            `use hibitset::BitSetLike;`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BitSetLike`
[INFO] [stderr]  --> src/guided_join.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hibitset::{BitSet, BitSetLike};
[INFO] [stderr]   |                        ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `specs_guided_join`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4179dc50d3635950c6b35628c77620e2e0dfd4a7b8e23c6cab1ca3a453a2697a"`
[INFO] running `"docker" "rm" "-f" "4179dc50d3635950c6b35628c77620e2e0dfd4a7b8e23c6cab1ca3a453a2697a"`
[INFO] [stdout] 4179dc50d3635950c6b35628c77620e2e0dfd4a7b8e23c6cab1ca3a453a2697a