Output complete repro command when failing to generate rustdoc JSON. #1990

Job	Run time
Check lint and rustfmt	24s
Build binary (Windows)	2m 26s
Semver: core-graphics	1m 19s
Build binary	46s
Check if version changed	14s
Run tests (1.71, false)	1m 34s
Run tests (1.72, false)	1m 36s
Run tests (1.73, false)	1m 27s
Run tests (1.74, false)	1m 33s
Run tests (1.75, false)	1m 23s
Run tests (stable, false)	1m 29s
Run tests (beta, false)	1m 30s
Run tests (nightly, true)	1m 34s
Semver: bevy_core v0.9.0	36s
Caching across rustdoc versions	1m 47s
Caching with feature config changed	38s
Check failure when installed rustc is too old	22s
Semver: bevy_gltf v0.9.1	1m 14s
Semver: clap v3.2.0	43s
Semver: libp2p-dcutr 1.62.0 and libp2p-relay 0.14.0	1m 6s
Semver: libp2p-gossipsub ~0.44.0 + libp2p-request-response ~0.24.0	1m 16s
Semver: libp2p-uds 0.37.0	58s
Semver: perf-event-open-sys2 v5.0.0	37s
Semver: dependency has warnings with "-Dwarnings" (libp2p v0.53.1)	1m 19s
Semver: ref-slice fork (git)	35s
Semver: ref-slice fork (sparse)	15s
Semver: libp2p-core 0.37.0	1m 8s
Semver: sqllogictest v0.13.0	45s
Semver: tokio ~v1.25.0 (explicit)	45s
Semver: tokio ~v1.25.0 (implicit)	43s
Semver: ref-slice fork (Windows) (git)	1m 4s
Semver: ref-slice fork (Windows) (sparse)	50s
All CI stages	1s
Check for semver compliance	0s
Run the release workflow	0s
	33m 57s

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