Oct 13 07:53:33.205 INFO checking streaming-harness-hdrhist-0.2.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:53:33.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 07:53:33.678 INFO blam! d367337c324a0a3ee2ea48cd799b5e7b7482f263e237c5584a796fad5912151e
Oct 13 07:53:33.678 INFO running `"docker" "start" "-a" "d367337c324a0a3ee2ea48cd799b5e7b7482f263e237c5584a796fad5912151e"`
Oct 13 07:53:34.651 INFO kablam! usermod: no changes
Oct 13 07:53:34.699 INFO kablam!     Checking drawille v0.2.3
Oct 13 07:53:34.708 INFO kablam!     Checking streaming-harness-hdrhist v0.2.1 (/source)
Oct 13 07:53:35.666 INFO kablam!     Checking textplots v0.2.3
Oct 13 07:53:37.540 INFO kablam! warning: variable does not need to be mutable
Oct 13 07:53:37.540 INFO kablam!    --> src/lib.rs:128:13
Oct 13 07:53:37.540 INFO kablam!     |
Oct 13 07:53:37.540 INFO kablam! 128 |         let mut hist = ::HDRHist::new();
Oct 13 07:53:37.540 INFO kablam!     |             ----^^^^
Oct 13 07:53:37.540 INFO kablam!     |             |
Oct 13 07:53:37.540 INFO kablam!     |             help: remove this `mut`
Oct 13 07:53:37.540 INFO kablam!     |
Oct 13 07:53:37.540 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 07:53:37.540 INFO kablam! 
Oct 13 07:53:37.556 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
Oct 13 07:53:37.556 INFO kablam! su: No module specific data is present
Oct 13 07:53:37.934 INFO running `"docker" "rm" "-f" "d367337c324a0a3ee2ea48cd799b5e7b7482f263e237c5584a796fad5912151e"`
Oct 13 07:53:38.136 INFO blam! d367337c324a0a3ee2ea48cd799b5e7b7482f263e237c5584a796fad5912151e