Sep 01 17:47:13.011 INFO checking hashcons-0.1.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 17:47:13.011 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 17:47:13.011 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 17:47:13.171 INFO blam! 938f149a9f339615bb30311bb42fcb8d8fcbdf6a941cbec29c70f335489bd32f
Sep 01 17:47:13.172 INFO running `"docker" "start" "-a" "938f149a9f339615bb30311bb42fcb8d8fcbdf6a941cbec29c70f335489bd32f"`
Sep 01 17:47:13.816 INFO kablam!     Checking hashcons v0.1.1 (file:///source)
Sep 01 17:47:14.883 INFO kablam! warning: the feature `rc_downcast` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 01 17:47:14.883 INFO kablam!  --> src/lib.rs:1:12
Sep 01 17:47:14.883 INFO kablam!   |
Sep 01 17:47:14.883 INFO kablam! 1 | #![feature(rc_downcast)]
Sep 01 17:47:14.883 INFO kablam!   |            ^^^^^^^^^^^
Sep 01 17:47:14.884 INFO kablam!   |
Sep 01 17:47:14.884 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 17:47:14.885 INFO kablam! 
Sep 01 17:47:15.185 INFO kablam! warning: the feature `rc_downcast` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 01 17:47:15.185 INFO kablam!  --> src/lib.rs:1:12
Sep 01 17:47:15.185 INFO kablam!   |
Sep 01 17:47:15.185 INFO kablam! 1 | #![feature(rc_downcast)]
Sep 01 17:47:15.185 INFO kablam!   |            ^^^^^^^^^^^
Sep 01 17:47:15.185 INFO kablam!   |
Sep 01 17:47:15.185 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 17:47:15.186 INFO kablam! 
Sep 01 17:47:15.213 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
Sep 01 17:47:15.218 INFO kablam! su: No module specific data is present
Sep 01 17:47:15.786 INFO running `"docker" "rm" "-f" "938f149a9f339615bb30311bb42fcb8d8fcbdf6a941cbec29c70f335489bd32f"`
Sep 01 17:47:15.885 INFO blam! 938f149a9f339615bb30311bb42fcb8d8fcbdf6a941cbec29c70f335489bd32f