Sep 01 07:44:25.170 INFO checking rwcell-0.1.2 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 07:44:25.170 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 07:44:25.171 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/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 07:44:25.378 INFO blam! 5f5ddd27f9968ed9939dc019478fa431522864972a16ff757f2c0f9d9c27b9d8
Sep 01 07:44:25.380 INFO running `"docker" "start" "-a" "5f5ddd27f9968ed9939dc019478fa431522864972a16ff757f2c0f9d9c27b9d8"`
Sep 01 07:44:26.103 INFO kablam!     Checking rwcell v0.1.2 (file:///source)
Sep 01 07:44:26.642 INFO kablam! warning: the feature `time2` has been stable since 1.8.0 and no longer requires an attribute to enable
Sep 01 07:44:26.642 INFO kablam!  --> src/lib.rs:2:12
Sep 01 07:44:26.642 INFO kablam!   |
Sep 01 07:44:26.642 INFO kablam! 2 | #![feature(time2)]
Sep 01 07:44:26.642 INFO kablam!   |            ^^^^^
Sep 01 07:44:26.642 INFO kablam!   |
Sep 01 07:44:26.642 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 01 07:44:26.642 INFO kablam! 
Sep 01 07:44:26.656 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Sep 01 07:44:26.658 INFO kablam! su: No module specific data is present
Sep 01 07:44:27.094 INFO running `"docker" "rm" "-f" "5f5ddd27f9968ed9939dc019478fa431522864972a16ff757f2c0f9d9c27b9d8"`
Sep 01 07:44:27.186 INFO blam! 5f5ddd27f9968ed9939dc019478fa431522864972a16ff757f2c0f9d9c27b9d8