Dec 17 14:08:22.277 INFO checking takayahilton/Validation against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:08:22.277 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/takayahilton/Validation:/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 17 14:08:22.859 INFO [stdout] e64598191ceb30a94aece7e7c0bcd4ebc1f804936119a5dd2b81f9841aae638c
Dec 17 14:08:22.862 INFO running `"docker" "start" "-a" "e64598191ceb30a94aece7e7c0bcd4ebc1f804936119a5dd2b81f9841aae638c"`
Dec 17 14:08:25.092 INFO [stderr]     Checking validation v0.1.0 (/opt/crater/workdir)
Dec 17 14:08:25.343 INFO [stderr] warning: method is never used: `map`
Dec 17 14:08:25.343 INFO [stderr]  --> src/main.rs:9:5
Dec 17 14:08:25.343 INFO [stderr]   |
Dec 17 14:08:25.343 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Dec 17 14:08:25.343 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:25.343 INFO [stderr]   |
Dec 17 14:08:25.343 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 14:08:25.343 INFO [stderr] 
Dec 17 14:08:25.343 INFO [stderr] warning: method is never used: `flat_map`
Dec 17 14:08:25.343 INFO [stderr]   --> src/main.rs:25:5
Dec 17 14:08:25.343 INFO [stderr]    |
Dec 17 14:08:25.343 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Dec 17 14:08:25.343 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:25.343 INFO [stderr] 
Dec 17 14:08:25.408 INFO [stderr] warning: method is never used: `map`
Dec 17 14:08:25.408 INFO [stderr]  --> src/main.rs:9:5
Dec 17 14:08:25.408 INFO [stderr]   |
Dec 17 14:08:25.408 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Dec 17 14:08:25.408 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:25.408 INFO [stderr]   |
Dec 17 14:08:25.408 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 14:08:25.408 INFO [stderr] 
Dec 17 14:08:25.408 INFO [stderr] warning: method is never used: `flat_map`
Dec 17 14:08:25.408 INFO [stderr]   --> src/main.rs:25:5
Dec 17 14:08:25.408 INFO [stderr]    |
Dec 17 14:08:25.408 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Dec 17 14:08:25.408 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 14:08:25.408 INFO [stderr] 
Dec 17 14:08:25.460 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 17 14:08:26.254 INFO running `"docker" "inspect" "e64598191ceb30a94aece7e7c0bcd4ebc1f804936119a5dd2b81f9841aae638c"`
Dec 17 14:08:26.495 INFO running `"docker" "rm" "-f" "e64598191ceb30a94aece7e7c0bcd4ebc1f804936119a5dd2b81f9841aae638c"`
Dec 17 14:08:26.664 INFO [stdout] e64598191ceb30a94aece7e7c0bcd4ebc1f804936119a5dd2b81f9841aae638c