jobserver is used at run time in 1,156 crates (of which 454 optionally). It is a direct run-time dependency in 14 crates. It's used at build time in 4,955 crates (of which 1,705 optionally, 6 directly). It's used only as a dev dependency in 390 crates.

Depender (with downloads and own rev deps) jobserver version
8.0M 1771 cc optional ^0.1.16
73K 114 cargo ^0.1.26
70K 25 cargo-util ^0.1.26
23K 18 rustc-ap-rustc_data_structures ^0.1.13
22K 48 opencv build >=0.1.25, <0.1.27
13K sccache ^0.1
4.1K 1 rustc_data_structures ^0.1.13
3.8K build-parallel ^0.1.19
550 1 ra-ap-rustc_data_structures ^0.1.13
1.1K 1 hal optional ^0.1.11
160 10 fast-rustc-ap-rustc_data_structures ^0.1.13
100 5 msiz_rustc-ap-rustc_data_structures ^0.1.13
1 hkalbasi-rustc-ap-rustc_data_structures ^0.1.13
1 tcl-sys build ^0.1.26
vkcargo ^0.1.21
cargo-semverver ^0.1.11
6.8K 2 s2n-tls-sys dev =0.1.26
1.6K 4 s2n-quic dev =0.1.26
850 2 s2n-quic-tls dev =0.1.26
750 1 s2n-quic-tls-default dev =0.1.26