Aug 30 01:53:02.800 INFO checking streaming-harness-hdrhist-0.2.1 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 01:53:02.800 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 01:53:02.800 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-0/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 01:53:02.942 INFO blam! 4f4ef6f928509b4b114814567d6b38746edf25796c1347ed345e18caad489b4f
Aug 30 01:53:02.944 INFO running `"docker" "start" "-a" "4f4ef6f928509b4b114814567d6b38746edf25796c1347ed345e18caad489b4f"`
Aug 30 01:53:03.746 INFO kablam!     Checking streaming-harness-hdrhist v0.2.1 (file:///source)
Aug 30 01:53:03.746 INFO kablam!     Checking textplots v0.2.3
Aug 30 01:53:05.237 INFO kablam! warning: variable does not need to be mutable
Aug 30 01:53:05.237 INFO kablam!    --> src/lib.rs:128:13
Aug 30 01:53:05.237 INFO kablam!     |
Aug 30 01:53:05.237 INFO kablam! 128 |         let mut hist = ::HDRHist::new();
Aug 30 01:53:05.237 INFO kablam!     |             ----^^^^
Aug 30 01:53:05.237 INFO kablam!     |             |
Aug 30 01:53:05.237 INFO kablam!     |             help: remove this `mut`
Aug 30 01:53:05.237 INFO kablam!     |
Aug 30 01:53:05.237 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 01:53:05.238 INFO kablam! 
Aug 30 01:53:05.252 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Aug 30 01:53:05.255 INFO kablam! su: No module specific data is present
Aug 30 01:53:05.925 INFO running `"docker" "rm" "-f" "4f4ef6f928509b4b114814567d6b38746edf25796c1347ed345e18caad489b4f"`
Aug 30 01:53:06.018 INFO blam! 4f4ef6f928509b4b114814567d6b38746edf25796c1347ed345e18caad489b4f