Sep 21 08:55:17.821 INFO checking hashcons-0.1.1 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 08:55:17.821 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 08:55:17.821 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 08:55:17.957 INFO blam! 2e7d5fad47037175a95561086775c87f099b0e22c7d21f359198da90902fdb6e
Sep 21 08:55:17.961 INFO running `"docker" "start" "-a" "2e7d5fad47037175a95561086775c87f099b0e22c7d21f359198da90902fdb6e"`
Sep 21 08:55:18.733 INFO kablam! usermod: no changes
Sep 21 08:55:18.801 INFO kablam!     Checking hashcons v0.1.1 (/source)
Sep 21 08:55:19.462 INFO kablam! warning: the feature `rc_downcast` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 21 08:55:19.462 INFO kablam!  --> src/lib.rs:1:12
Sep 21 08:55:19.462 INFO kablam!   |
Sep 21 08:55:19.462 INFO kablam! 1 | #![feature(rc_downcast)]
Sep 21 08:55:19.462 INFO kablam!   |            ^^^^^^^^^^^
Sep 21 08:55:19.462 INFO kablam!   |
Sep 21 08:55:19.462 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 08:55:19.462 INFO kablam! 
Sep 21 08:55:19.561 INFO kablam! warning: the feature `rc_downcast` has been stable since 1.29.0 and no longer requires an attribute to enable
Sep 21 08:55:19.561 INFO kablam!  --> src/lib.rs:1:12
Sep 21 08:55:19.561 INFO kablam!   |
Sep 21 08:55:19.561 INFO kablam! 1 | #![feature(rc_downcast)]
Sep 21 08:55:19.561 INFO kablam!   |            ^^^^^^^^^^^
Sep 21 08:55:19.561 INFO kablam!   |
Sep 21 08:55:19.561 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 08:55:19.561 INFO kablam! 
Sep 21 08:55:19.587 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Sep 21 08:55:19.591 INFO kablam! su: No module specific data is present
Sep 21 08:55:20.171 INFO running `"docker" "rm" "-f" "2e7d5fad47037175a95561086775c87f099b0e22c7d21f359198da90902fdb6e"`
Sep 21 08:55:20.248 INFO blam! 2e7d5fad47037175a95561086775c87f099b0e22c7d21f359198da90902fdb6e