Dec 11 20:50:00.693 INFO checking chupe/rust-collections against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:50:00.693 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11 20:50:01.136 INFO [stdout] 2040ebb3a3c0e96ebf24213480e7370bfd0b24d07a618817d50a66f3076d36cd
Dec 11 20:50:01.142 INFO running `"docker" "start" "-a" "2040ebb3a3c0e96ebf24213480e7370bfd0b24d07a618817d50a66f3076d36cd"`
Dec 11 20:50:02.335 INFO [stderr] usermod: no changes
Dec 11 20:50:02.420 INFO [stderr]     Checking collections v0.1.0 (/source)
Dec 11 20:50:03.061 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 11 20:50:03.061 INFO [stderr]   --> src/main.rs:19:13
Dec 11 20:50:03.061 INFO [stderr]    |
Dec 11 20:50:03.061 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 11 20:50:03.061 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 11 20:50:03.061 INFO [stderr]    |
Dec 11 20:50:03.061 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 20:50:03.061 INFO [stderr] 
Dec 11 20:50:03.096 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 11 20:50:03.096 INFO [stderr]   --> src/main.rs:19:13
Dec 11 20:50:03.096 INFO [stderr]    |
Dec 11 20:50:03.096 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 11 20:50:03.096 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 11 20:50:03.096 INFO [stderr]    |
Dec 11 20:50:03.097 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 20:50:03.097 INFO [stderr] 
Dec 11 20:50:03.186 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 11 20:50:03.189 INFO [stderr] su: No module specific data is present
Dec 11 20:50:03.970 INFO running `"docker" "inspect" "2040ebb3a3c0e96ebf24213480e7370bfd0b24d07a618817d50a66f3076d36cd"`
Dec 11 20:50:04.214 INFO running `"docker" "rm" "-f" "2040ebb3a3c0e96ebf24213480e7370bfd0b24d07a618817d50a66f3076d36cd"`
Dec 11 20:50:04.436 INFO [stdout] 2040ebb3a3c0e96ebf24213480e7370bfd0b24d07a618817d50a66f3076d36cd