Dec 18 18:40:12.133 INFO checking akaze-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:40:12.133 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/akaze/0.1.0:/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 18:40:12.520 INFO [stdout] 200bdadfe522b7c0b408269dd0564d20969ecc3106d48982f12a907ba0cb29fd
Dec 18 18:40:12.536 INFO running `"docker" "start" "-a" "200bdadfe522b7c0b408269dd0564d20969ecc3106d48982f12a907ba0cb29fd"`
Dec 18 18:40:13.968 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 18 18:40:14.304 INFO [stderr]     Checking strings v0.1.1
Dec 18 18:40:14.328 INFO [stderr]     Checking toml v0.4.10
Dec 18 18:40:14.328 INFO [stderr]     Checking serde_cbor v0.9.0
Dec 18 18:40:20.464 INFO [stderr]     Checking rustfmt v0.10.0
Dec 18 18:40:28.100 INFO [stderr]     Checking akaze v0.1.0 (/opt/crater/workdir)
Dec 18 18:40:32.461 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:40:32.462 INFO [stderr]    --> src/types/evolution.rs:164:5
Dec 18 18:40:32.462 INFO [stderr]     |
Dec 18 18:40:32.463 INFO [stderr] 164 |     write!(to_write, "{}{:05}.png", path_label, idx);
Dec 18 18:40:32.464 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:40:32.465 INFO [stderr]     |
Dec 18 18:40:32.465 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 18:40:32.465 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:40:32.466 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 18 18:40:32.466 INFO [stderr] 
Dec 18 18:40:33.488 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:40:33.489 INFO [stderr]    --> src/types/evolution.rs:164:5
Dec 18 18:40:33.489 INFO [stderr]     |
Dec 18 18:40:33.489 INFO [stderr] 164 |     write!(to_write, "{}{:05}.png", path_label, idx);
Dec 18 18:40:33.489 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:40:33.490 INFO [stderr]     |
Dec 18 18:40:33.490 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 18:40:33.490 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:40:33.490 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 18 18:40:33.491 INFO [stderr] 
Dec 18 18:40:42.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.06s
Dec 18 18:40:44.349 INFO running `"docker" "inspect" "200bdadfe522b7c0b408269dd0564d20969ecc3106d48982f12a907ba0cb29fd"`
Dec 18 18:40:44.712 INFO running `"docker" "rm" "-f" "200bdadfe522b7c0b408269dd0564d20969ecc3106d48982f12a907ba0cb29fd"`
Dec 18 18:40:45.088 INFO [stdout] 200bdadfe522b7c0b408269dd0564d20969ecc3106d48982f12a907ba0cb29fd