Dec 11 08:16:34.406 INFO checking takayahilton/Validation against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 08:16:34.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 08:16:34.912 INFO [stdout] 0b4e0edd70e5256df2f9b24e235877753a955c2c693843806b440d28b1e086f5
Dec 11 08:16:34.916 INFO running `"docker" "start" "-a" "0b4e0edd70e5256df2f9b24e235877753a955c2c693843806b440d28b1e086f5"`
Dec 11 08:16:36.476 INFO [stderr] usermod: no changes
Dec 11 08:16:36.528 INFO [stderr]     Checking validation v0.1.0 (/source)
Dec 11 08:16:36.860 INFO [stderr] warning: method is never used: `map`
Dec 11 08:16:36.860 INFO [stderr]  --> src/main.rs:9:5
Dec 11 08:16:36.860 INFO [stderr]   |
Dec 11 08:16:36.860 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Dec 11 08:16:36.860 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:16:36.860 INFO [stderr]   |
Dec 11 08:16:36.860 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 08:16:36.860 INFO [stderr] 
Dec 11 08:16:36.860 INFO [stderr] warning: method is never used: `flat_map`
Dec 11 08:16:36.860 INFO [stderr]   --> src/main.rs:25:5
Dec 11 08:16:36.860 INFO [stderr]    |
Dec 11 08:16:36.860 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Dec 11 08:16:36.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:16:36.860 INFO [stderr] 
Dec 11 08:16:36.860 INFO [stderr] warning: method is never used: `map`
Dec 11 08:16:36.860 INFO [stderr]  --> src/main.rs:9:5
Dec 11 08:16:36.860 INFO [stderr]   |
Dec 11 08:16:36.860 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Dec 11 08:16:36.860 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:16:36.860 INFO [stderr]   |
Dec 11 08:16:36.860 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 08:16:36.860 INFO [stderr] 
Dec 11 08:16:36.860 INFO [stderr] warning: method is never used: `flat_map`
Dec 11 08:16:36.860 INFO [stderr]   --> src/main.rs:25:5
Dec 11 08:16:36.860 INFO [stderr]    |
Dec 11 08:16:36.860 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Dec 11 08:16:36.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:16:36.860 INFO [stderr] 
Dec 11 08:16:36.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 11 08:16:36.892 INFO [stderr] su: No module specific data is present
Dec 11 08:16:37.530 INFO running `"docker" "inspect" "0b4e0edd70e5256df2f9b24e235877753a955c2c693843806b440d28b1e086f5"`
Dec 11 08:16:37.836 INFO running `"docker" "rm" "-f" "0b4e0edd70e5256df2f9b24e235877753a955c2c693843806b440d28b1e086f5"`
Dec 11 08:16:38.112 INFO [stdout] 0b4e0edd70e5256df2f9b24e235877753a955c2c693843806b440d28b1e086f5