Dec 04 09:02:17.613 INFO checking takayahilton/Validation against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 09:02:17.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 09:02:17.988 INFO [stdout] 804aac04d255a88ea11fbb5e73acbd579c8da802e789dedf25af4ca76c3c8ff6
Dec 04 09:02:17.990 INFO running `"docker" "start" "-a" "804aac04d255a88ea11fbb5e73acbd579c8da802e789dedf25af4ca76c3c8ff6"`
Dec 04 09:02:19.394 INFO [stderr] usermod: no changes
Dec 04 09:02:19.459 INFO [stderr]     Checking validation v0.1.0 (/source)
Dec 04 09:02:19.915 INFO [stderr] warning: method is never used: `map`
Dec 04 09:02:19.915 INFO [stderr]  --> src/main.rs:9:5
Dec 04 09:02:19.915 INFO [stderr]   |
Dec 04 09:02:19.915 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Dec 04 09:02:19.915 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:19.915 INFO [stderr]   |
Dec 04 09:02:19.915 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 09:02:19.915 INFO [stderr] 
Dec 04 09:02:19.915 INFO [stderr] warning: method is never used: `flat_map`
Dec 04 09:02:19.915 INFO [stderr]   --> src/main.rs:25:5
Dec 04 09:02:19.915 INFO [stderr]    |
Dec 04 09:02:19.915 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Dec 04 09:02:19.915 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:19.915 INFO [stderr] 
Dec 04 09:02:20.043 INFO [stderr] warning: method is never used: `map`
Dec 04 09:02:20.043 INFO [stderr]  --> src/main.rs:9:5
Dec 04 09:02:20.043 INFO [stderr]   |
Dec 04 09:02:20.043 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Dec 04 09:02:20.043 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:20.043 INFO [stderr]   |
Dec 04 09:02:20.043 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 09:02:20.043 INFO [stderr] 
Dec 04 09:02:20.043 INFO [stderr] warning: method is never used: `flat_map`
Dec 04 09:02:20.043 INFO [stderr]   --> src/main.rs:25:5
Dec 04 09:02:20.043 INFO [stderr]    |
Dec 04 09:02:20.043 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Dec 04 09:02:20.043 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:02:20.043 INFO [stderr] 
Dec 04 09:02:20.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 04 09:02:20.087 INFO [stderr] su: No module specific data is present
Dec 04 09:02:20.643 INFO running `"docker" "inspect" "804aac04d255a88ea11fbb5e73acbd579c8da802e789dedf25af4ca76c3c8ff6"`
Dec 04 09:02:20.989 INFO running `"docker" "rm" "-f" "804aac04d255a88ea11fbb5e73acbd579c8da802e789dedf25af4ca76c3c8ff6"`
Dec 04 09:02:21.296 INFO [stdout] 804aac04d255a88ea11fbb5e73acbd579c8da802e789dedf25af4ca76c3c8ff6