Dec 18 16:20:59.847 INFO checking funfun-0.2.4 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:20:59.847 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/funfun/0.2.4:/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 18 16:21:00.060 INFO [stdout] 5af770910b7c41a3c9b03add69b09aef5def9ee588204762e60ea841bfde3c88
Dec 18 16:21:00.063 INFO running `"docker" "start" "-a" "5af770910b7c41a3c9b03add69b09aef5def9ee588204762e60ea841bfde3c88"`
Dec 18 16:21:00.746 INFO [stderr]     Checking funfun v0.2.4 (/opt/crater/workdir)
Dec 18 16:21:01.043 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 16:21:01.043 INFO [stderr]  --> src/lib.rs:2:5
Dec 18 16:21:01.043 INFO [stderr]   |
Dec 18 16:21:01.043 INFO [stderr] 2 | use std::fmt;
Dec 18 16:21:01.043 INFO [stderr]   |     ^^^^^^^^
Dec 18 16:21:01.043 INFO [stderr]   |
Dec 18 16:21:01.043 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:21:01.043 INFO [stderr] 
Dec 18 16:21:01.063 INFO [stderr] warning: unused import: `std::fmt`
Dec 18 16:21:01.063 INFO [stderr]  --> src/lib.rs:2:5
Dec 18 16:21:01.063 INFO [stderr]   |
Dec 18 16:21:01.063 INFO [stderr] 2 | use std::fmt;
Dec 18 16:21:01.063 INFO [stderr]   |     ^^^^^^^^
Dec 18 16:21:01.063 INFO [stderr]   |
Dec 18 16:21:01.063 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 16:21:01.063 INFO [stderr] 
Dec 18 16:21:01.200 INFO [stderr] warning: unused variable: `d`
Dec 18 16:21:01.200 INFO [stderr]    --> src/lib.rs:104:14
Dec 18 16:21:01.200 INFO [stderr]     |
Dec 18 16:21:01.200 INFO [stderr] 104 |             |d: &str| -> String {"reassign once".to_string()}
Dec 18 16:21:01.200 INFO [stderr]     |              ^ help: consider using `_d` instead
Dec 18 16:21:01.200 INFO [stderr]     |
Dec 18 16:21:01.200 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 16:21:01.200 INFO [stderr] 
Dec 18 16:21:01.200 INFO [stderr] warning: unused variable: `d`
Dec 18 16:21:01.200 INFO [stderr]    --> src/lib.rs:127:14
Dec 18 16:21:01.200 INFO [stderr]     |
Dec 18 16:21:01.200 INFO [stderr] 127 |             |d: &str| -> String {"reassign once".to_string()}
Dec 18 16:21:01.200 INFO [stderr]     |              ^ help: consider using `_d` instead
Dec 18 16:21:01.200 INFO [stderr] 
Dec 18 16:21:01.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:21:01.249 INFO [stderr]    --> src/lib.rs:147:13
Dec 18 16:21:01.249 INFO [stderr]     |
Dec 18 16:21:01.249 INFO [stderr] 147 |             res.join();
Dec 18 16:21:01.249 INFO [stderr]     |             ^^^^^^^^^^^
Dec 18 16:21:01.250 INFO [stderr]     |
Dec 18 16:21:01.250 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 16:21:01.250 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:21:01.250 INFO [stderr] 
Dec 18 16:21:01.251 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:21:01.251 INFO [stderr]    --> src/lib.rs:165:13
Dec 18 16:21:01.251 INFO [stderr]     |
Dec 18 16:21:01.252 INFO [stderr] 165 |             res.join();
Dec 18 16:21:01.252 INFO [stderr]     |             ^^^^^^^^^^^
Dec 18 16:21:01.252 INFO [stderr]     |
Dec 18 16:21:01.252 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:21:01.253 INFO [stderr] 
Dec 18 16:21:01.309 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 18 16:21:01.846 INFO running `"docker" "inspect" "5af770910b7c41a3c9b03add69b09aef5def9ee588204762e60ea841bfde3c88"`
Dec 18 16:21:01.964 INFO running `"docker" "rm" "-f" "5af770910b7c41a3c9b03add69b09aef5def9ee588204762e60ea841bfde3c88"`
Dec 18 16:21:02.074 INFO [stdout] 5af770910b7c41a3c9b03add69b09aef5def9ee588204762e60ea841bfde3c88