Dec 19 19:00:57.187 INFO checking chupe/rust-collections against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:00:57.187 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/chupe/rust-collections:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:00:57.593 INFO [stdout] a5fa1ee857a88e31bb80a83d1cb827ab4cf98cd81655d3bbb28541a2222e820e
Dec 19 19:00:57.598 INFO running `"docker" "start" "-a" "a5fa1ee857a88e31bb80a83d1cb827ab4cf98cd81655d3bbb28541a2222e820e"`
Dec 19 19:00:59.200 INFO [stderr]     Checking collections v0.1.0 (/opt/crater/workdir)
Dec 19 19:00:59.904 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 19 19:00:59.908 INFO [stderr]   --> src/main.rs:19:13
Dec 19 19:00:59.908 INFO [stderr]    |
Dec 19 19:00:59.908 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 19 19:00:59.908 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 19 19:00:59.908 INFO [stderr]    |
Dec 19 19:00:59.908 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 19:00:59.908 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 19:00:59.908 INFO [stderr] 
Dec 19 19:00:59.924 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 19 19:00:59.924 INFO [stderr]   --> src/main.rs:19:13
Dec 19 19:00:59.924 INFO [stderr]    |
Dec 19 19:00:59.924 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 19 19:00:59.924 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 19 19:00:59.924 INFO [stderr]    |
Dec 19 19:00:59.924 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 19:00:59.924 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 19:00:59.924 INFO [stderr] 
Dec 19 19:01:00.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 19 19:01:00.748 INFO running `"docker" "inspect" "a5fa1ee857a88e31bb80a83d1cb827ab4cf98cd81655d3bbb28541a2222e820e"`
Dec 19 19:01:01.115 INFO running `"docker" "rm" "-f" "a5fa1ee857a88e31bb80a83d1cb827ab4cf98cd81655d3bbb28541a2222e820e"`
Dec 19 19:01:01.490 INFO [stdout] a5fa1ee857a88e31bb80a83d1cb827ab4cf98cd81655d3bbb28541a2222e820e