Nov 27 19:10:23.905 INFO checking takayahilton/Validation against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 19:10:23.905 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 19:10:24.406 INFO [stdout] f4ce023e3151fb9dbfc86b62eec93921666433c2f7faa1f44e479335aed2b0e4
Nov 27 19:10:24.408 INFO running `"docker" "start" "-a" "f4ce023e3151fb9dbfc86b62eec93921666433c2f7faa1f44e479335aed2b0e4"`
Nov 27 19:10:26.102 INFO [stderr] usermod: no changes
Nov 27 19:10:26.180 INFO [stderr]     Checking validation v0.1.0 (/source)
Nov 27 19:10:26.575 INFO [stderr] warning: method is never used: `map`
Nov 27 19:10:26.575 INFO [stderr]  --> src/main.rs:9:5
Nov 27 19:10:26.575 INFO [stderr]   |
Nov 27 19:10:26.575 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Nov 27 19:10:26.575 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:10:26.575 INFO [stderr]   |
Nov 27 19:10:26.575 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 19:10:26.575 INFO [stderr] 
Nov 27 19:10:26.576 INFO [stderr] warning: method is never used: `flat_map`
Nov 27 19:10:26.576 INFO [stderr]   --> src/main.rs:25:5
Nov 27 19:10:26.576 INFO [stderr]    |
Nov 27 19:10:26.576 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Nov 27 19:10:26.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:10:26.576 INFO [stderr] 
Nov 27 19:10:26.702 INFO [stderr] warning: method is never used: `map`
Nov 27 19:10:26.703 INFO [stderr]  --> src/main.rs:9:5
Nov 27 19:10:26.703 INFO [stderr]   |
Nov 27 19:10:26.703 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Nov 27 19:10:26.704 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:10:26.704 INFO [stderr]   |
Nov 27 19:10:26.704 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 27 19:10:26.704 INFO [stderr] 
Nov 27 19:10:26.705 INFO [stderr] warning: method is never used: `flat_map`
Nov 27 19:10:26.705 INFO [stderr]   --> src/main.rs:25:5
Nov 27 19:10:26.705 INFO [stderr]    |
Nov 27 19:10:26.706 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Nov 27 19:10:26.706 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 27 19:10:26.706 INFO [stderr] 
Nov 27 19:10:26.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Nov 27 19:10:26.753 INFO [stderr] su: No module specific data is present
Nov 27 19:10:27.232 INFO running `"docker" "inspect" "f4ce023e3151fb9dbfc86b62eec93921666433c2f7faa1f44e479335aed2b0e4"`
Nov 27 19:10:27.506 INFO running `"docker" "rm" "-f" "f4ce023e3151fb9dbfc86b62eec93921666433c2f7faa1f44e479335aed2b0e4"`
Nov 27 19:10:27.792 INFO [stdout] f4ce023e3151fb9dbfc86b62eec93921666433c2f7faa1f44e479335aed2b0e4