Nov 29 17:00:40.050 INFO checking takayahilton/Validation against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 17:00:40.050 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 29 17:00:40.614 INFO [stdout] b0c1ec3f07a89c4e565cbe582100af8cab66d9ccd52fa2e521da8511a3b06849
Nov 29 17:00:40.616 INFO running `"docker" "start" "-a" "b0c1ec3f07a89c4e565cbe582100af8cab66d9ccd52fa2e521da8511a3b06849"`
Nov 29 17:00:42.152 INFO [stderr] usermod: no changes
Nov 29 17:00:42.201 INFO [stderr]     Checking validation v0.1.0 (/source)
Nov 29 17:00:42.644 INFO [stderr] warning: method is never used: `map`
Nov 29 17:00:42.644 INFO [stderr]  --> src/main.rs:9:5
Nov 29 17:00:42.644 INFO [stderr]   |
Nov 29 17:00:42.644 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Nov 29 17:00:42.644 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:42.644 INFO [stderr]   |
Nov 29 17:00:42.644 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 17:00:42.645 INFO [stderr] 
Nov 29 17:00:42.645 INFO [stderr] warning: method is never used: `flat_map`
Nov 29 17:00:42.645 INFO [stderr]   --> src/main.rs:25:5
Nov 29 17:00:42.645 INFO [stderr]    |
Nov 29 17:00:42.645 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Nov 29 17:00:42.645 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:42.645 INFO [stderr] 
Nov 29 17:00:42.704 INFO [stderr] warning: method is never used: `map`
Nov 29 17:00:42.705 INFO [stderr]  --> src/main.rs:9:5
Nov 29 17:00:42.705 INFO [stderr]   |
Nov 29 17:00:42.705 INFO [stderr] 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Nov 29 17:00:42.705 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:42.706 INFO [stderr]   |
Nov 29 17:00:42.706 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 17:00:42.706 INFO [stderr] 
Nov 29 17:00:42.707 INFO [stderr] warning: method is never used: `flat_map`
Nov 29 17:00:42.707 INFO [stderr]   --> src/main.rs:25:5
Nov 29 17:00:42.707 INFO [stderr]    |
Nov 29 17:00:42.707 INFO [stderr] 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Nov 29 17:00:42.707 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 17:00:42.708 INFO [stderr] 
Nov 29 17:00:42.761 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Nov 29 17:00:42.763 INFO [stderr] su: No module specific data is present
Nov 29 17:00:43.567 INFO running `"docker" "inspect" "b0c1ec3f07a89c4e565cbe582100af8cab66d9ccd52fa2e521da8511a3b06849"`
Nov 29 17:00:43.938 INFO running `"docker" "rm" "-f" "b0c1ec3f07a89c4e565cbe582100af8cab66d9ccd52fa2e521da8511a3b06849"`
Nov 29 17:00:44.276 INFO [stdout] b0c1ec3f07a89c4e565cbe582100af8cab66d9ccd52fa2e521da8511a3b06849