Oct 16 00:21:40.442 INFO testing persistentcache-0.1.6 against try#40d4795669493f1965de7c44029c69552134fe1f for rustdoc-test-static-cling-1
Oct 16 00:21:40.444 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-7/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 16 00:21:40.827 INFO blam! a99840f455c6059ee0a096d0970d69e75bf14f606885332e253240429343c7d6
Oct 16 00:21:40.835 INFO running `"docker" "start" "-a" "a99840f455c6059ee0a096d0970d69e75bf14f606885332e253240429343c7d6"`
Oct 16 00:21:42.563 INFO kablam! usermod: no changes
Oct 16 00:21:42.605 INFO kablam! warning: only one of `license` or `license-file` is necessary
Oct 16 00:21:42.792 INFO kablam!    Compiling proc-macro2 v0.1.10
Oct 16 00:21:42.799 INFO kablam!    Compiling fs2 v0.4.3
Oct 16 00:21:42.803 INFO kablam!    Compiling bincode v1.0.1
Oct 16 00:21:42.804 INFO kablam!    Compiling regex v0.2.11
Oct 16 00:21:57.174 INFO kablam!    Compiling futures-await-quote v0.4.0
Oct 16 00:22:01.695 INFO kablam!    Compiling futures-await-synom v0.12.0
Oct 16 00:22:06.364 INFO kablam!    Compiling futures-await-syn v0.12.0
Oct 16 00:22:20.323 INFO kablam!    Compiling persistentcache_procmacro v0.0.3
Oct 16 00:22:24.991 INFO kablam!    Compiling persistentcache v0.1.6 (/source)
Oct 16 00:22:25.071 INFO kablam! error[E0557]: feature has been removed
Oct 16 00:22:25.071 INFO kablam!    --> src/lib.rs:246:12
Oct 16 00:22:25.071 INFO kablam!     |
Oct 16 00:22:25.071 INFO kablam! 246 | #![feature(proc_macro_gen)]
Oct 16 00:22:25.071 INFO kablam!     |            ^^^^^^^^^^^^^^
Oct 16 00:22:25.071 INFO kablam!     |
Oct 16 00:22:25.071 INFO kablam! note: subsumed by `#![feature(proc_macro_hygiene)]`
Oct 16 00:22:25.071 INFO kablam!    --> src/lib.rs:246:12
Oct 16 00:22:25.071 INFO kablam!     |
Oct 16 00:22:25.071 INFO kablam! 246 | #![feature(proc_macro_gen)]
Oct 16 00:22:25.071 INFO kablam!     |            ^^^^^^^^^^^^^^
Oct 16 00:22:25.071 INFO kablam! 
Oct 16 00:22:26.763 INFO kablam! error: aborting due to previous error
Oct 16 00:22:26.763 INFO kablam! 
Oct 16 00:22:26.763 INFO kablam! For more information about this error, try `rustc --explain E0557`.
Oct 16 00:22:26.782 INFO kablam! error: Could not compile `persistentcache`.
Oct 16 00:22:26.782 INFO kablam! 
Oct 16 00:22:26.782 INFO kablam! To learn more, run the command again with --verbose.
Oct 16 00:22:26.783 INFO kablam! su: No module specific data is present
Oct 16 00:22:27.215 INFO running `"docker" "rm" "-f" "a99840f455c6059ee0a096d0970d69e75bf14f606885332e253240429343c7d6"`
Oct 16 00:22:27.399 INFO blam! a99840f455c6059ee0a096d0970d69e75bf14f606885332e253240429343c7d6