Dec 19 06:49:03.253 INFO checking tomwhoiscontrary/isots against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:49:03.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/tomwhoiscontrary/isots:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:49:03.722 INFO [stdout] 40a05099806df196fc0ffbb08fb734a6cf98977490bc796fd380a7268aa34c48
Dec 19 06:49:03.728 INFO running `"docker" "start" "-a" "40a05099806df196fc0ffbb08fb734a6cf98977490bc796fd380a7268aa34c48"`
Dec 19 06:49:05.680 INFO [stderr]     Checking isots v0.1.0 (/opt/crater/workdir)
Dec 19 06:49:06.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:49:06.120 INFO [stderr]    --> src/main.rs:149:9
Dec 19 06:49:06.120 INFO [stderr]     |
Dec 19 06:49:06.120 INFO [stderr] 149 | /         write!(out,
Dec 19 06:49:06.120 INFO [stderr] 150 | |                "{}-{:02}-{:02}T{:02}:{:02}:{:02}Z",
Dec 19 06:49:06.120 INFO [stderr] 151 | |                time.year(),
Dec 19 06:49:06.120 INFO [stderr] 152 | |                time.month(),
Dec 19 06:49:06.120 INFO [stderr] ...   |
Dec 19 06:49:06.120 INFO [stderr] 155 | |                time.minute(),
Dec 19 06:49:06.120 INFO [stderr] 156 | |                time.second());
Dec 19 06:49:06.120 INFO [stderr]     | |______________________________^
Dec 19 06:49:06.120 INFO [stderr]     |
Dec 19 06:49:06.120 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 06:49:06.120 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:49:06.120 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 06:49:06.120 INFO [stderr] 
Dec 19 06:49:06.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:49:06.120 INFO [stderr]    --> src/main.rs:158:9
Dec 19 06:49:06.120 INFO [stderr]     |
Dec 19 06:49:06.120 INFO [stderr] 158 | /         write!(out,
Dec 19 06:49:06.120 INFO [stderr] 159 | |                "{}-{:02}-{:02}T{:02}:{:02}:{:02}.{:0width$}Z",
Dec 19 06:49:06.120 INFO [stderr] 160 | |                time.year(),
Dec 19 06:49:06.120 INFO [stderr] 161 | |                time.month(),
Dec 19 06:49:06.120 INFO [stderr] ...   |
Dec 19 06:49:06.120 INFO [stderr] 166 | |                time.nanosecond(),
Dec 19 06:49:06.120 INFO [stderr] 167 | |                width = fractional_seconds_digits);
Dec 19 06:49:06.120 INFO [stderr]     | |__________________________________________________^
Dec 19 06:49:06.120 INFO [stderr]     |
Dec 19 06:49:06.120 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:49:06.128 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 06:49:06.128 INFO [stderr] 
Dec 19 06:49:06.190 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:49:06.196 INFO [stderr]    --> src/main.rs:149:9
Dec 19 06:49:06.196 INFO [stderr]     |
Dec 19 06:49:06.196 INFO [stderr] 149 | /         write!(out,
Dec 19 06:49:06.196 INFO [stderr] 150 | |                "{}-{:02}-{:02}T{:02}:{:02}:{:02}Z",
Dec 19 06:49:06.196 INFO [stderr] 151 | |                time.year(),
Dec 19 06:49:06.196 INFO [stderr] 152 | |                time.month(),
Dec 19 06:49:06.196 INFO [stderr] ...   |
Dec 19 06:49:06.196 INFO [stderr] 155 | |                time.minute(),
Dec 19 06:49:06.196 INFO [stderr] 156 | |                time.second());
Dec 19 06:49:06.196 INFO [stderr]     | |______________________________^
Dec 19 06:49:06.196 INFO [stderr]     |
Dec 19 06:49:06.196 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 06:49:06.196 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:49:06.196 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 06:49:06.196 INFO [stderr] 
Dec 19 06:49:06.196 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:49:06.196 INFO [stderr]    --> src/main.rs:158:9
Dec 19 06:49:06.196 INFO [stderr]     |
Dec 19 06:49:06.196 INFO [stderr] 158 | /         write!(out,
Dec 19 06:49:06.196 INFO [stderr] 159 | |                "{}-{:02}-{:02}T{:02}:{:02}:{:02}.{:0width$}Z",
Dec 19 06:49:06.196 INFO [stderr] 160 | |                time.year(),
Dec 19 06:49:06.196 INFO [stderr] 161 | |                time.month(),
Dec 19 06:49:06.196 INFO [stderr] ...   |
Dec 19 06:49:06.196 INFO [stderr] 166 | |                time.nanosecond(),
Dec 19 06:49:06.196 INFO [stderr] 167 | |                width = fractional_seconds_digits);
Dec 19 06:49:06.196 INFO [stderr]     | |__________________________________________________^
Dec 19 06:49:06.196 INFO [stderr]     |
Dec 19 06:49:06.196 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:49:06.196 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 06:49:06.196 INFO [stderr] 
Dec 19 06:49:06.217 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 19 06:49:07.505 INFO running `"docker" "inspect" "40a05099806df196fc0ffbb08fb734a6cf98977490bc796fd380a7268aa34c48"`
Dec 19 06:49:07.930 INFO running `"docker" "rm" "-f" "40a05099806df196fc0ffbb08fb734a6cf98977490bc796fd380a7268aa34c48"`
Dec 19 06:49:08.300 INFO [stdout] 40a05099806df196fc0ffbb08fb734a6cf98977490bc796fd380a7268aa34c48