Dec 19 16:15:40.208 INFO checking gyscos/varf against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:15:40.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:15:40.370 INFO [stdout] d57c1f8061fad181759ae41252736b1ea68a2c4b6e291b65bd1b452287e2abdf
Dec 19 16:15:40.373 INFO running `"docker" "start" "-a" "d57c1f8061fad181759ae41252736b1ea68a2c4b6e291b65bd1b452287e2abdf"`
Dec 19 16:15:41.036 INFO [stderr]     Checking xdg-basedir v1.0.0
Dec 19 16:15:41.039 INFO [stderr]     Checking thread-id v3.0.0
Dec 19 16:15:41.039 INFO [stderr]     Checking conduit-mime-types v0.7.3
Dec 19 16:15:41.039 INFO [stderr]     Checking toml v0.4.1
Dec 19 16:15:41.039 INFO [stderr]     Checking serde_json v0.8.6
Dec 19 16:15:41.039 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 19 16:15:41.388 INFO [stderr]     Checking thread_local v0.3.3
Dec 19 16:15:41.522 INFO [stderr]     Checking iron v0.5.1
Dec 19 16:15:42.251 INFO [stderr]     Checking regex v0.2.1
Dec 19 16:15:42.746 INFO [stderr]     Checking persistent v0.3.0
Dec 19 16:15:42.746 INFO [stderr]     Checking mount v0.3.0
Dec 19 16:15:42.746 INFO [stderr]     Checking router v0.5.1
Dec 19 16:15:43.284 INFO [stderr]     Checking bodyparser v0.5.0
Dec 19 16:15:43.356 INFO [stderr]     Checking staticfile v0.4.0
Dec 19 16:15:43.804 INFO [stderr]     Checking urlencoded v0.5.0
Dec 19 16:15:44.727 INFO [stderr]     Checking handlebars v0.26.2
Dec 19 16:15:46.869 INFO [stderr]     Checking handlebars-iron v0.24.1
Dec 19 16:15:47.537 INFO [stderr]     Checking varf v0.1.2 (/opt/crater/workdir)
Dec 19 16:15:49.156 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 19 16:15:49.156 INFO [stderr]   --> src/visu.rs:71:5
Dec 19 16:15:49.156 INFO [stderr]    |
Dec 19 16:15:49.156 INFO [stderr] 71 | /     divs.iter()
Dec 19 16:15:49.156 INFO [stderr] 72 | |         .rev()
Dec 19 16:15:49.156 INFO [stderr] 73 | |         .map(|k| n / k)
Dec 19 16:15:49.156 INFO [stderr] 74 | |         .collect::<Vec<usize>>()
Dec 19 16:15:49.156 INFO [stderr] 75 | |         .iter()
Dec 19 16:15:49.156 INFO [stderr] 76 | |         .map(|k| divs.push(*k))
Dec 19 16:15:49.156 INFO [stderr] 77 | |         .collect::<Vec<()>>();
Dec 19 16:15:49.156 INFO [stderr]    | |______________________________^
Dec 19 16:15:49.156 INFO [stderr]    |
Dec 19 16:15:49.156 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:15:49.156 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 19 16:15:49.156 INFO [stderr] 
Dec 19 16:15:49.196 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 19 16:15:49.196 INFO [stderr]   --> src/visu.rs:71:5
Dec 19 16:15:49.196 INFO [stderr]    |
Dec 19 16:15:49.196 INFO [stderr] 71 | /     divs.iter()
Dec 19 16:15:49.196 INFO [stderr] 72 | |         .rev()
Dec 19 16:15:49.196 INFO [stderr] 73 | |         .map(|k| n / k)
Dec 19 16:15:49.196 INFO [stderr] 74 | |         .collect::<Vec<usize>>()
Dec 19 16:15:49.196 INFO [stderr] 75 | |         .iter()
Dec 19 16:15:49.196 INFO [stderr] 76 | |         .map(|k| divs.push(*k))
Dec 19 16:15:49.196 INFO [stderr] 77 | |         .collect::<Vec<()>>();
Dec 19 16:15:49.196 INFO [stderr]    | |______________________________^
Dec 19 16:15:49.196 INFO [stderr]    |
Dec 19 16:15:49.196 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:15:49.196 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 19 16:15:49.196 INFO [stderr] 
Dec 19 16:15:49.222 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.34s
Dec 19 16:15:49.658 INFO running `"docker" "inspect" "d57c1f8061fad181759ae41252736b1ea68a2c4b6e291b65bd1b452287e2abdf"`
Dec 19 16:15:49.796 INFO running `"docker" "rm" "-f" "d57c1f8061fad181759ae41252736b1ea68a2c4b6e291b65bd1b452287e2abdf"`
Dec 19 16:15:49.984 INFO [stdout] d57c1f8061fad181759ae41252736b1ea68a2c4b6e291b65bd1b452287e2abdf