Dec 17 23:28:26.791 INFO checking gyscos/varf against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:28:26.791 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/gyscos/varf:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:28:26.986 INFO [stdout] 35a9d92cbc4d2c21c3c01349955e3682d5c32a91b6997564a1e7088df25ebd3f
Dec 17 23:28:26.991 INFO running `"docker" "start" "-a" "35a9d92cbc4d2c21c3c01349955e3682d5c32a91b6997564a1e7088df25ebd3f"`
Dec 17 23:28:27.749 INFO [stderr]     Checking xdg-basedir v1.0.0
Dec 17 23:28:27.750 INFO [stderr]     Checking conduit-mime-types v0.7.3
Dec 17 23:28:27.750 INFO [stderr]     Checking toml v0.4.1
Dec 17 23:28:27.750 INFO [stderr]     Checking serde_json v0.8.6
Dec 17 23:28:27.758 INFO [stderr]     Checking handlebars v0.26.2
Dec 17 23:28:28.009 INFO [stderr]     Checking iron v0.5.1
Dec 17 23:28:28.882 INFO [stderr]     Checking persistent v0.3.0
Dec 17 23:28:28.882 INFO [stderr]     Checking mount v0.3.0
Dec 17 23:28:28.883 INFO [stderr]     Checking router v0.5.1
Dec 17 23:28:29.480 INFO [stderr]     Checking staticfile v0.4.0
Dec 17 23:28:29.625 INFO [stderr]     Checking bodyparser v0.5.0
Dec 17 23:28:30.197 INFO [stderr]     Checking urlencoded v0.5.0
Dec 17 23:28:30.484 INFO [stderr]     Checking handlebars-iron v0.24.1
Dec 17 23:28:31.149 INFO [stderr]     Checking varf v0.1.2 (/opt/crater/workdir)
Dec 17 23:28:32.205 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 17 23:28:32.206 INFO [stderr]   --> src/visu.rs:71:5
Dec 17 23:28:32.206 INFO [stderr]    |
Dec 17 23:28:32.206 INFO [stderr] 71 | /     divs.iter()
Dec 17 23:28:32.206 INFO [stderr] 72 | |         .rev()
Dec 17 23:28:32.206 INFO [stderr] 73 | |         .map(|k| n / k)
Dec 17 23:28:32.206 INFO [stderr] 74 | |         .collect::<Vec<usize>>()
Dec 17 23:28:32.206 INFO [stderr] 75 | |         .iter()
Dec 17 23:28:32.206 INFO [stderr] 76 | |         .map(|k| divs.push(*k))
Dec 17 23:28:32.206 INFO [stderr] 77 | |         .collect::<Vec<()>>();
Dec 17 23:28:32.206 INFO [stderr]    | |______________________________^
Dec 17 23:28:32.206 INFO [stderr]    |
Dec 17 23:28:32.206 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:28:32.206 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 17 23:28:32.206 INFO [stderr] 
Dec 17 23:28:32.247 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 17 23:28:32.247 INFO [stderr]   --> src/visu.rs:71:5
Dec 17 23:28:32.247 INFO [stderr]    |
Dec 17 23:28:32.247 INFO [stderr] 71 | /     divs.iter()
Dec 17 23:28:32.247 INFO [stderr] 72 | |         .rev()
Dec 17 23:28:32.247 INFO [stderr] 73 | |         .map(|k| n / k)
Dec 17 23:28:32.247 INFO [stderr] 74 | |         .collect::<Vec<usize>>()
Dec 17 23:28:32.247 INFO [stderr] 75 | |         .iter()
Dec 17 23:28:32.247 INFO [stderr] 76 | |         .map(|k| divs.push(*k))
Dec 17 23:28:32.247 INFO [stderr] 77 | |         .collect::<Vec<()>>();
Dec 17 23:28:32.247 INFO [stderr]    | |______________________________^
Dec 17 23:28:32.247 INFO [stderr]    |
Dec 17 23:28:32.247 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:28:32.247 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 17 23:28:32.247 INFO [stderr] 
Dec 17 23:28:32.271 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.67s
Dec 17 23:28:32.604 INFO running `"docker" "inspect" "35a9d92cbc4d2c21c3c01349955e3682d5c32a91b6997564a1e7088df25ebd3f"`
Dec 17 23:28:32.705 INFO running `"docker" "rm" "-f" "35a9d92cbc4d2c21c3c01349955e3682d5c32a91b6997564a1e7088df25ebd3f"`
Dec 17 23:28:32.796 INFO [stdout] 35a9d92cbc4d2c21c3c01349955e3682d5c32a91b6997564a1e7088df25ebd3f