Sep 17 17:58:46.504 INFO checking rwcell-0.1.2 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 17:58:46.504 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 17:58:46.504 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 17:58:46.821 INFO blam! 78af2a84ab6e84a88d6dde7602c095dfe77a89c255d410967b38f473e11ca8f5
Sep 17 17:58:46.831 INFO running `"docker" "start" "-a" "78af2a84ab6e84a88d6dde7602c095dfe77a89c255d410967b38f473e11ca8f5"`
Sep 17 17:58:47.843 INFO kablam! usermod: no changes
Sep 17 17:58:47.886 INFO kablam!     Checking rwcell v0.1.2 (/source)
Sep 17 17:58:48.323 INFO kablam! warning: the feature `time2` has been stable since 1.8.0 and no longer requires an attribute to enable
Sep 17 17:58:48.323 INFO kablam!  --> src/lib.rs:2:12
Sep 17 17:58:48.323 INFO kablam!   |
Sep 17 17:58:48.323 INFO kablam! 2 | #![feature(time2)]
Sep 17 17:58:48.323 INFO kablam!   |            ^^^^^
Sep 17 17:58:48.323 INFO kablam!   |
Sep 17 17:58:48.323 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 17 17:58:48.323 INFO kablam! 
Sep 17 17:58:48.355 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Sep 17 17:58:48.355 INFO kablam! su: No module specific data is present
Sep 17 17:58:49.394 INFO running `"docker" "rm" "-f" "78af2a84ab6e84a88d6dde7602c095dfe77a89c255d410967b38f473e11ca8f5"`
Sep 17 17:58:49.618 INFO blam! 78af2a84ab6e84a88d6dde7602c095dfe77a89c255d410967b38f473e11ca8f5