Dec 19 19:00:56.781 INFO checking chupe/rust-collections against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:00:56.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:00:57.277 INFO [stdout] f68fec506cc10da8fe4bc547920bd70682868dd3ec87ca2b234934d0b8d2855c
Dec 19 19:00:57.286 INFO running `"docker" "start" "-a" "f68fec506cc10da8fe4bc547920bd70682868dd3ec87ca2b234934d0b8d2855c"`
Dec 19 19:00:59.072 INFO [stderr]     Checking collections v0.1.0 (/opt/crater/workdir)
Dec 19 19:00:59.648 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 19 19:00:59.648 INFO [stderr]   --> src/main.rs:19:13
Dec 19 19:00:59.648 INFO [stderr]    |
Dec 19 19:00:59.648 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 19 19:00:59.648 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 19 19:00:59.648 INFO [stderr]    |
Dec 19 19:00:59.648 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 19:00:59.648 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 19:00:59.648 INFO [stderr] 
Dec 19 19:00:59.700 INFO [stderr] warning: value assigned to `median_result` is never read
Dec 19 19:00:59.700 INFO [stderr]   --> src/main.rs:19:13
Dec 19 19:00:59.700 INFO [stderr]    |
Dec 19 19:00:59.700 INFO [stderr] 19 |     let mut median_result: f32 = 0.0;
Dec 19 19:00:59.700 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 19 19:00:59.716 INFO [stderr]    |
Dec 19 19:00:59.716 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 19:00:59.716 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 19:00:59.716 INFO [stderr] 
Dec 19 19:00:59.769 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 19 19:01:00.724 INFO running `"docker" "inspect" "f68fec506cc10da8fe4bc547920bd70682868dd3ec87ca2b234934d0b8d2855c"`
Dec 19 19:01:01.116 INFO running `"docker" "rm" "-f" "f68fec506cc10da8fe4bc547920bd70682868dd3ec87ca2b234934d0b8d2855c"`
Dec 19 19:01:01.413 INFO [stdout] f68fec506cc10da8fe4bc547920bd70682868dd3ec87ca2b234934d0b8d2855c