Dec 12 06:50:16.736 INFO checking streaming-harness-hdrhist-0.2.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:50:16.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 06:50:17.223 INFO [stdout] c43c6da373fe5ca201352bca2d062b81def8c8a228ec3b83f571509c31d523c4
Dec 12 06:50:17.230 INFO running `"docker" "start" "-a" "c43c6da373fe5ca201352bca2d062b81def8c8a228ec3b83f571509c31d523c4"`
Dec 12 06:50:17.961 INFO [stderr] usermod: no changes
Dec 12 06:50:18.011 INFO [stderr]     Checking drawille v0.2.3
Dec 12 06:50:18.013 INFO [stderr]     Checking streaming-harness-hdrhist v0.2.1 (/source)
Dec 12 06:50:18.624 INFO [stderr]     Checking textplots v0.2.3
Dec 12 06:50:19.904 INFO [stderr] warning: variable does not need to be mutable
Dec 12 06:50:19.904 INFO [stderr]    --> src/lib.rs:128:13
Dec 12 06:50:19.904 INFO [stderr]     |
Dec 12 06:50:19.904 INFO [stderr] 128 |         let mut hist = ::HDRHist::new();
Dec 12 06:50:19.904 INFO [stderr]     |             ----^^^^
Dec 12 06:50:19.904 INFO [stderr]     |             |
Dec 12 06:50:19.904 INFO [stderr]     |             help: remove this `mut`
Dec 12 06:50:19.904 INFO [stderr]     |
Dec 12 06:50:19.904 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 06:50:19.904 INFO [stderr] 
Dec 12 06:50:20.066 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
Dec 12 06:50:20.069 INFO [stderr] su: No module specific data is present
Dec 12 06:50:20.498 INFO running `"docker" "inspect" "c43c6da373fe5ca201352bca2d062b81def8c8a228ec3b83f571509c31d523c4"`
Dec 12 06:50:20.670 INFO running `"docker" "rm" "-f" "c43c6da373fe5ca201352bca2d062b81def8c8a228ec3b83f571509c31d523c4"`
Dec 12 06:50:20.867 INFO [stdout] c43c6da373fe5ca201352bca2d062b81def8c8a228ec3b83f571509c31d523c4