Sep 06 02:37:25.339 INFO checking persistentcache-0.1.6 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 02:37:25.339 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 02:37:25.339 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-7/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 02:37:25.504 INFO blam! 742159389fe6b747336b3ed033012fa3ffd290f68256431c6c3ab9f9dc2002ef
Sep 06 02:37:25.508 INFO running `"docker" "start" "-a" "742159389fe6b747336b3ed033012fa3ffd290f68256431c6c3ab9f9dc2002ef"`
Sep 06 02:37:26.140 INFO kablam! usermod: no changes
Sep 06 02:37:26.165 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 06 02:37:26.278 INFO kablam!    Compiling proc-macro2 v0.1.10
Sep 06 02:37:29.306 INFO kablam!    Compiling futures-await-quote v0.4.0
Sep 06 02:37:30.619 INFO kablam!    Compiling futures-await-synom v0.12.0
Sep 06 02:37:32.591 INFO kablam!    Compiling futures-await-syn v0.12.0
Sep 06 02:37:43.321 INFO kablam!    Compiling persistentcache_procmacro v0.0.3
Sep 06 02:37:45.097 INFO kablam!     Checking persistentcache v0.1.6 (file:///source)
Sep 06 02:37:45.776 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 06 02:37:45.776 INFO kablam!    --> src/lib.rs:245:12
Sep 06 02:37:45.776 INFO kablam!     |
Sep 06 02:37:45.776 INFO kablam! 245 | #![feature(proc_macro)]
Sep 06 02:37:45.776 INFO kablam!     |            ^^^^^^^^^^
Sep 06 02:37:45.776 INFO kablam!     |
Sep 06 02:37:45.776 INFO kablam!     = note: #[warn(stable_features)] on by default
Sep 06 02:37:45.776 INFO kablam! 
Sep 06 02:37:46.167 INFO kablam! warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 06 02:37:46.167 INFO kablam!    --> src/lib.rs:245:12
Sep 06 02:37:46.167 INFO kablam!     |
Sep 06 02:37:46.167 INFO kablam! 245 | #![feature(proc_macro)]
Sep 06 02:37:46.167 INFO kablam!     |            ^^^^^^^^^^
Sep 06 02:37:46.167 INFO kablam!     |
Sep 06 02:37:46.167 INFO kablam!     = note: #[warn(stable_features)] on by default
Sep 06 02:37:46.167 INFO kablam! 
Sep 06 02:37:46.192 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.03s
Sep 06 02:37:46.204 INFO kablam! su: No module specific data is present
Sep 06 02:37:47.052 INFO running `"docker" "rm" "-f" "742159389fe6b747336b3ed033012fa3ffd290f68256431c6c3ab9f9dc2002ef"`
Sep 06 02:37:47.104 INFO blam! 742159389fe6b747336b3ed033012fa3ffd290f68256431c6c3ab9f9dc2002ef