Dec 04 20:55:31.648 INFO checking chupe/rust-collections against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:55:31.648 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 20:55:32.084 INFO [stdout] 94efed287b9a8cee6be400e139d135a54908c803b190d3dc4c596a418181d32a
Dec 04 20:55:32.086 INFO running `"docker" "start" "-a" "94efed287b9a8cee6be400e139d135a54908c803b190d3dc4c596a418181d32a"`
Dec 04 20:55:33.207 INFO [stderr] usermod: no changes
Dec 04 20:55:33.303 INFO [stderr]     Checking collections v0.1.0 (/source)
Dec 04 20:55:33.968 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 04 20:55:33.968 INFO [stderr]   --> src/main.rs:19:13
Dec 04 20:55:33.968 INFO [stderr]    |
Dec 04 20:55:33.968 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 04 20:55:33.968 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 04 20:55:33.968 INFO [stderr]    |
Dec 04 20:55:33.968 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 20:55:33.968 INFO [stderr] 
Dec 04 20:55:33.994 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 04 20:55:33.999 INFO [stderr]   --> src/main.rs:19:13
Dec 04 20:55:33.999 INFO [stderr]    |
Dec 04 20:55:33.999 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 04 20:55:33.999 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 04 20:55:33.999 INFO [stderr]    |
Dec 04 20:55:33.999 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 20:55:33.999 INFO [stderr] 
Dec 04 20:55:34.067 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 04 20:55:34.071 INFO [stderr] su: No module specific data is present
Dec 04 20:55:34.705 INFO running `"docker" "inspect" "94efed287b9a8cee6be400e139d135a54908c803b190d3dc4c596a418181d32a"`
Dec 04 20:55:35.031 INFO running `"docker" "rm" "-f" "94efed287b9a8cee6be400e139d135a54908c803b190d3dc4c596a418181d32a"`
Dec 04 20:55:35.351 INFO [stdout] 94efed287b9a8cee6be400e139d135a54908c803b190d3dc4c596a418181d32a