Dec 04 17:52:50.840 INFO checking gyscos/varf against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:52:50.840 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 17:52:51.155 INFO [stdout] 969619324f1cecbeed7206ccac09b5fb44f7cc645891478c9ac8db06e5fa3e78
Dec 04 17:52:51.157 INFO running `"docker" "start" "-a" "969619324f1cecbeed7206ccac09b5fb44f7cc645891478c9ac8db06e5fa3e78"`
Dec 04 17:52:51.794 INFO [stderr] usermod: no changes
Dec 04 17:52:51.967 INFO [stderr]     Checking xdg-basedir v1.0.0
Dec 04 17:52:51.967 INFO [stderr]     Checking conduit-mime-types v0.7.3
Dec 04 17:52:51.967 INFO [stderr]     Checking toml v0.4.1
Dec 04 17:52:51.967 INFO [stderr]     Checking serde_json v0.8.6
Dec 04 17:52:51.980 INFO [stderr]     Checking handlebars v0.26.2
Dec 04 17:52:51.980 INFO [stderr]     Checking hyper v0.10.5
Dec 04 17:52:57.035 INFO [stderr]     Checking iron v0.5.1
Dec 04 17:52:58.168 INFO [stderr]     Checking persistent v0.3.0
Dec 04 17:52:58.168 INFO [stderr]     Checking mount v0.3.0
Dec 04 17:52:58.173 INFO [stderr]     Checking router v0.5.1
Dec 04 17:52:58.175 INFO [stderr]     Checking handlebars-iron v0.24.1
Dec 04 17:52:59.428 INFO [stderr]     Checking staticfile v0.4.0
Dec 04 17:52:59.726 INFO [stderr]     Checking bodyparser v0.5.0
Dec 04 17:53:01.059 INFO [stderr]     Checking urlencoded v0.5.0
Dec 04 17:53:02.207 INFO [stderr]     Checking varf v0.1.2 (/source)
Dec 04 17:53:04.731 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 17:53:04.731 INFO [stderr]   --> src/visu.rs:71:5
Dec 04 17:53:04.731 INFO [stderr]    |
Dec 04 17:53:04.731 INFO [stderr] 71 | /     divs.iter()
Dec 04 17:53:04.731 INFO [stderr] 72 | |         .rev()
Dec 04 17:53:04.731 INFO [stderr] 73 | |         .map(|k| n / k)
Dec 04 17:53:04.731 INFO [stderr] 74 | |         .collect::<Vec<usize>>()
Dec 04 17:53:04.731 INFO [stderr] 75 | |         .iter()
Dec 04 17:53:04.731 INFO [stderr] 76 | |         .map(|k| divs.push(*k))
Dec 04 17:53:04.731 INFO [stderr] 77 | |         .collect::<Vec<()>>();
Dec 04 17:53:04.731 INFO [stderr]    | |______________________________^
Dec 04 17:53:04.731 INFO [stderr]    |
Dec 04 17:53:04.731 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:53:04.731 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 17:53:04.731 INFO [stderr] 
Dec 04 17:53:04.826 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 04 17:53:04.826 INFO [stderr]   --> src/visu.rs:71:5
Dec 04 17:53:04.826 INFO [stderr]    |
Dec 04 17:53:04.826 INFO [stderr] 71 | /     divs.iter()
Dec 04 17:53:04.826 INFO [stderr] 72 | |         .rev()
Dec 04 17:53:04.826 INFO [stderr] 73 | |         .map(|k| n / k)
Dec 04 17:53:04.826 INFO [stderr] 74 | |         .collect::<Vec<usize>>()
Dec 04 17:53:04.826 INFO [stderr] 75 | |         .iter()
Dec 04 17:53:04.826 INFO [stderr] 76 | |         .map(|k| divs.push(*k))
Dec 04 17:53:04.826 INFO [stderr] 77 | |         .collect::<Vec<()>>();
Dec 04 17:53:04.826 INFO [stderr]    | |______________________________^
Dec 04 17:53:04.826 INFO [stderr]    |
Dec 04 17:53:04.826 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:53:04.826 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 04 17:53:04.826 INFO [stderr] 
Dec 04 17:53:04.864 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.04s
Dec 04 17:53:04.877 INFO [stderr] su: No module specific data is present
Dec 04 17:53:05.768 INFO running `"docker" "inspect" "969619324f1cecbeed7206ccac09b5fb44f7cc645891478c9ac8db06e5fa3e78"`
Dec 04 17:53:05.992 INFO running `"docker" "rm" "-f" "969619324f1cecbeed7206ccac09b5fb44f7cc645891478c9ac8db06e5fa3e78"`
Dec 04 17:53:06.299 INFO [stdout] 969619324f1cecbeed7206ccac09b5fb44f7cc645891478c9ac8db06e5fa3e78