Dec 02 04:43:02.752 INFO documenting persistentcache-0.1.6 against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 02 04:43:02.753 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-7/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55318-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +147e60c5f89cfa2d3ffc247413956a37582c98e7-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 04:43:02.963 INFO [stdout] 68c91b94c86150f020934b3c6c4d7c397b05c7e95956f69d642195e85eeee6fc
Dec 02 04:43:02.965 INFO running `"docker" "start" "-a" "68c91b94c86150f020934b3c6c4d7c397b05c7e95956f69d642195e85eeee6fc"`
Dec 02 04:43:03.328 INFO [stderr] usermod: no changes
Dec 02 04:43:03.424 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 02 04:43:03.511 INFO [stderr]    Compiling futures-await-quote v0.4.0
Dec 02 04:43:05.992 INFO [stderr]    Compiling futures-await-synom v0.12.0
Dec 02 04:43:09.369 INFO [stderr]    Compiling futures-await-syn v0.12.0
Dec 02 04:43:21.852 INFO [stderr]    Compiling persistentcache_procmacro v0.0.3
Dec 02 04:43:25.307 INFO [stderr]  Documenting persistentcache v0.1.6 (/source)
Dec 02 04:43:25.343 INFO [stderr] error[E0557]: feature has been removed
Dec 02 04:43:25.343 INFO [stderr]    --> src/lib.rs:246:12
Dec 02 04:43:25.343 INFO [stderr]     |
Dec 02 04:43:25.343 INFO [stderr] 246 | #![feature(proc_macro_gen)]
Dec 02 04:43:25.343 INFO [stderr]     |            ^^^^^^^^^^^^^^
Dec 02 04:43:25.343 INFO [stderr]     |
Dec 02 04:43:25.343 INFO [stderr] note: subsumed by `#![feature(proc_macro_hygiene)]`
Dec 02 04:43:25.343 INFO [stderr]    --> src/lib.rs:246:12
Dec 02 04:43:25.343 INFO [stderr]     |
Dec 02 04:43:25.343 INFO [stderr] 246 | #![feature(proc_macro_gen)]
Dec 02 04:43:25.343 INFO [stderr]     |            ^^^^^^^^^^^^^^
Dec 02 04:43:25.343 INFO [stderr] 
Dec 02 04:43:26.267 INFO [stderr] error: Compilation failed, aborting rustdoc
Dec 02 04:43:26.267 INFO [stderr] 
Dec 02 04:43:26.276 INFO [stderr] error: Could not document `persistentcache`.
Dec 02 04:43:26.276 INFO [stderr] 
Dec 02 04:43:26.276 INFO [stderr] Caused by:
Dec 02 04:43:26.276 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name persistentcache src/lib.rs --color never -o /target/doc --cfg 'feature="default"' --document-private-items -L dependency=/target/debug/deps --extern bincode=/target/debug/deps/libbincode-2126f18e480701e1.rmeta --extern error_chain=/target/debug/deps/liberror_chain-20e1936452d321c7.rmeta --extern fs2=/target/debug/deps/libfs2-8352df123c597707.rmeta --extern lazy_static=/target/debug/deps/liblazy_static-3202df24a013bcbe.rmeta --extern persistentcache_procmacro=/target/debug/deps/libpersistentcache_procmacro-c6ce34c471e1e58d.so --extern redis=/target/debug/deps/libredis-7b65629bc8ccf4b1.rmeta --extern regex=/target/debug/deps/libregex-beb409f023b739af.rmeta --cap-lints=forbid` (exit code: 1)
Dec 02 04:43:26.281 INFO [stderr] su: No module specific data is present
Dec 02 04:43:26.622 INFO running `"docker" "inspect" "68c91b94c86150f020934b3c6c4d7c397b05c7e95956f69d642195e85eeee6fc"`
Dec 02 04:43:26.786 INFO running `"docker" "rm" "-f" "68c91b94c86150f020934b3c6c4d7c397b05c7e95956f69d642195e85eeee6fc"`
Dec 02 04:43:26.908 INFO [stdout] 68c91b94c86150f020934b3c6c4d7c397b05c7e95956f69d642195e85eeee6fc