Dec 17 13:17:52.187 INFO checking tomwhoiscontrary/isots against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 13:17:52.187 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:17:52.683 INFO [stdout] 19d9cd293861ce423a1d4b56ce7b68428d1951cc20e18a916386255ee4c3d084
Dec 17 13:17:52.686 INFO running `"docker" "start" "-a" "19d9cd293861ce423a1d4b56ce7b68428d1951cc20e18a916386255ee4c3d084"`
Dec 17 13:17:55.941 INFO [stderr]     Checking isots v0.1.0 (/opt/crater/workdir)
Dec 17 13:17:56.501 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:17:56.501 INFO [stderr]    --> src/main.rs:149:9
Dec 17 13:17:56.501 INFO [stderr]     |
Dec 17 13:17:56.501 INFO [stderr] 149 | /         write!(out,
Dec 17 13:17:56.501 INFO [stderr] 150 | |                "{}-{:02}-{:02}T{:02}:{:02}:{:02}Z",
Dec 17 13:17:56.501 INFO [stderr] 151 | |                time.year(),
Dec 17 13:17:56.501 INFO [stderr] 152 | |                time.month(),
Dec 17 13:17:56.501 INFO [stderr] ...   |
Dec 17 13:17:56.501 INFO [stderr] 155 | |                time.minute(),
Dec 17 13:17:56.501 INFO [stderr] 156 | |                time.second());
Dec 17 13:17:56.501 INFO [stderr]     | |______________________________^
Dec 17 13:17:56.501 INFO [stderr]     |
Dec 17 13:17:56.501 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 13:17:56.501 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:17:56.501 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 17 13:17:56.501 INFO [stderr] 
Dec 17 13:17:56.512 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:17:56.512 INFO [stderr]    --> src/main.rs:158:9
Dec 17 13:17:56.512 INFO [stderr]     |
Dec 17 13:17:56.512 INFO [stderr] 158 | /         write!(out,
Dec 17 13:17:56.512 INFO [stderr] 159 | |                "{}-{:02}-{:02}T{:02}:{:02}:{:02}.{:0width$}Z",
Dec 17 13:17:56.512 INFO [stderr] 160 | |                time.year(),
Dec 17 13:17:56.512 INFO [stderr] 161 | |                time.month(),
Dec 17 13:17:56.512 INFO [stderr] ...   |
Dec 17 13:17:56.512 INFO [stderr] 166 | |                time.nanosecond(),
Dec 17 13:17:56.513 INFO [stderr] 167 | |                width = fractional_seconds_digits);
Dec 17 13:17:56.513 INFO [stderr]     | |__________________________________________________^
Dec 17 13:17:56.513 INFO [stderr]     |
Dec 17 13:17:56.513 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:17:56.513 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 17 13:17:56.513 INFO [stderr] 
Dec 17 13:17:56.515 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:17:56.515 INFO [stderr]    --> src/main.rs:149:9
Dec 17 13:17:56.515 INFO [stderr]     |
Dec 17 13:17:56.515 INFO [stderr] 149 | /         write!(out,
Dec 17 13:17:56.515 INFO [stderr] 150 | |                "{}-{:02}-{:02}T{:02}:{:02}:{:02}Z",
Dec 17 13:17:56.515 INFO [stderr] 151 | |                time.year(),
Dec 17 13:17:56.515 INFO [stderr] 152 | |                time.month(),
Dec 17 13:17:56.515 INFO [stderr] ...   |
Dec 17 13:17:56.515 INFO [stderr] 155 | |                time.minute(),
Dec 17 13:17:56.515 INFO [stderr] 156 | |                time.second());
Dec 17 13:17:56.515 INFO [stderr]     | |______________________________^
Dec 17 13:17:56.515 INFO [stderr]     |
Dec 17 13:17:56.515 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 13:17:56.515 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:17:56.515 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 17 13:17:56.515 INFO [stderr] 
Dec 17 13:17:56.520 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:17:56.520 INFO [stderr]    --> src/main.rs:158:9
Dec 17 13:17:56.520 INFO [stderr]     |
Dec 17 13:17:56.520 INFO [stderr] 158 | /         write!(out,
Dec 17 13:17:56.520 INFO [stderr] 159 | |                "{}-{:02}-{:02}T{:02}:{:02}:{:02}.{:0width$}Z",
Dec 17 13:17:56.520 INFO [stderr] 160 | |                time.year(),
Dec 17 13:17:56.520 INFO [stderr] 161 | |                time.month(),
Dec 17 13:17:56.520 INFO [stderr] ...   |
Dec 17 13:17:56.520 INFO [stderr] 166 | |                time.nanosecond(),
Dec 17 13:17:56.520 INFO [stderr] 167 | |                width = fractional_seconds_digits);
Dec 17 13:17:56.520 INFO [stderr]     | |__________________________________________________^
Dec 17 13:17:56.520 INFO [stderr]     |
Dec 17 13:17:56.520 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:17:56.520 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 17 13:17:56.520 INFO [stderr] 
Dec 17 13:17:56.552 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 17 13:17:58.043 INFO running `"docker" "inspect" "19d9cd293861ce423a1d4b56ce7b68428d1951cc20e18a916386255ee4c3d084"`
Dec 17 13:17:58.356 INFO running `"docker" "rm" "-f" "19d9cd293861ce423a1d4b56ce7b68428d1951cc20e18a916386255ee4c3d084"`
Dec 17 13:17:58.696 INFO [stdout] 19d9cd293861ce423a1d4b56ce7b68428d1951cc20e18a916386255ee4c3d084