Dec 18 14:54:25.567 INFO checking ipaddr-0.0.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:54:25.567 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/ipaddr/0.0.3:/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 14:54:25.932 INFO [stdout] f24e3ac6f1980a395c529168cae57de3e17c592e301841adc373429d61308b1e
Dec 18 14:54:25.934 INFO running `"docker" "start" "-a" "f24e3ac6f1980a395c529168cae57de3e17c592e301841adc373429d61308b1e"`
Dec 18 14:54:27.813 INFO [stderr]     Checking ipaddr v0.0.3 (/opt/crater/workdir)
Dec 18 14:54:28.736 INFO [stderr] warning: unused variable: `f`
Dec 18 14:54:28.736 INFO [stderr]   --> src/ipv6/network.rs:57:19
Dec 18 14:54:28.736 INFO [stderr]    |
Dec 18 14:54:28.736 INFO [stderr] 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Dec 18 14:54:28.736 INFO [stderr]    |                   ^ help: consider using `_f` instead
Dec 18 14:54:28.736 INFO [stderr]    |
Dec 18 14:54:28.736 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 14:54:28.736 INFO [stderr] 
Dec 18 14:54:28.736 INFO [stderr] warning: unused variable: `f`
Dec 18 14:54:28.736 INFO [stderr]   --> src/ipv6/network.rs:63:19
Dec 18 14:54:28.736 INFO [stderr]    |
Dec 18 14:54:28.736 INFO [stderr] 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Dec 18 14:54:28.736 INFO [stderr]    |                   ^ help: consider using `_f` instead
Dec 18 14:54:28.736 INFO [stderr] 
Dec 18 14:54:29.576 INFO [stderr] warning: unused variable: `f`
Dec 18 14:54:29.576 INFO [stderr]   --> src/ipv6/network.rs:57:19
Dec 18 14:54:29.576 INFO [stderr]    |
Dec 18 14:54:29.576 INFO [stderr] 57 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Dec 18 14:54:29.576 INFO [stderr]    |                   ^ help: consider using `_f` instead
Dec 18 14:54:29.576 INFO [stderr]    |
Dec 18 14:54:29.576 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 14:54:29.576 INFO [stderr] 
Dec 18 14:54:29.576 INFO [stderr] warning: unused variable: `f`
Dec 18 14:54:29.576 INFO [stderr]   --> src/ipv6/network.rs:63:19
Dec 18 14:54:29.576 INFO [stderr]    |
Dec 18 14:54:29.576 INFO [stderr] 63 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
Dec 18 14:54:29.576 INFO [stderr]    |                   ^ help: consider using `_f` instead
Dec 18 14:54:29.576 INFO [stderr] 
Dec 18 14:54:29.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 14:54:29.825 INFO [stderr]    --> src/ipv6/address/format.rs:451:9
Dec 18 14:54:29.825 INFO [stderr]     |
Dec 18 14:54:29.825 INFO [stderr] 451 | /         ip.formatter(&mut s)
Dec 18 14:54:29.825 INFO [stderr] 452 | |             .upper_case(true)
Dec 18 14:54:29.825 INFO [stderr] 453 | |             .ellipsis(false)
Dec 18 14:54:29.825 INFO [stderr] 454 | |             .write();
Dec 18 14:54:29.825 INFO [stderr]     | |_____________________^
Dec 18 14:54:29.825 INFO [stderr]     |
Dec 18 14:54:29.825 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 14:54:29.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 14:54:29.825 INFO [stderr] 
Dec 18 14:54:29.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
Dec 18 14:54:30.658 INFO running `"docker" "inspect" "f24e3ac6f1980a395c529168cae57de3e17c592e301841adc373429d61308b1e"`
Dec 18 14:54:30.972 INFO running `"docker" "rm" "-f" "f24e3ac6f1980a395c529168cae57de3e17c592e301841adc373429d61308b1e"`
Dec 18 14:54:31.240 INFO [stdout] f24e3ac6f1980a395c529168cae57de3e17c592e301841adc373429d61308b1e