Oct 31 20:04:30.899 INFO checking takayahilton/Validation against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 20:04:30.899 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Oct 31 20:04:31.314 INFO blam! a374caaffc376b978df4ad2d4c6fce22b573bb0c33d832726a7cabbd2e93cd97
Oct 31 20:04:31.316 INFO running `"docker" "start" "-a" "a374caaffc376b978df4ad2d4c6fce22b573bb0c33d832726a7cabbd2e93cd97"`
Oct 31 20:04:32.717 INFO kablam! usermod: no changes
Oct 31 20:04:32.789 INFO kablam!     Checking validation v0.1.0 (/source)
Oct 31 20:04:33.059 INFO kablam! warning: method is never used: `map`
Oct 31 20:04:33.060 INFO kablam!  --> src/main.rs:9:5
Oct 31 20:04:33.060 INFO kablam!   |
Oct 31 20:04:33.060 INFO kablam! 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Oct 31 20:04:33.061 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:04:33.061 INFO kablam!   |
Oct 31 20:04:33.061 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 20:04:33.061 INFO kablam! 
Oct 31 20:04:33.062 INFO kablam! warning: method is never used: `flat_map`
Oct 31 20:04:33.062 INFO kablam!   --> src/main.rs:25:5
Oct 31 20:04:33.062 INFO kablam!    |
Oct 31 20:04:33.063 INFO kablam! 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Oct 31 20:04:33.063 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:04:33.063 INFO kablam! 
Oct 31 20:04:33.142 INFO kablam! warning: method is never used: `map`
Oct 31 20:04:33.142 INFO kablam!  --> src/main.rs:9:5
Oct 31 20:04:33.142 INFO kablam!   |
Oct 31 20:04:33.142 INFO kablam! 9 |     fn map<B, F: FnOnce(A) -> B>(self, func: F) -> Validation<B, E> {
Oct 31 20:04:33.143 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:04:33.143 INFO kablam!   |
Oct 31 20:04:33.143 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 20:04:33.144 INFO kablam! 
Oct 31 20:04:33.144 INFO kablam! warning: method is never used: `flat_map`
Oct 31 20:04:33.144 INFO kablam!   --> src/main.rs:25:5
Oct 31 20:04:33.144 INFO kablam!    |
Oct 31 20:04:33.145 INFO kablam! 25 |     fn flat_map<B, F: FnOnce(A) -> Validation<B, E>>(self, func: F) -> Validation<B, E> {
Oct 31 20:04:33.145 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:04:33.145 INFO kablam! 
Oct 31 20:04:33.177 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Oct 31 20:04:33.181 INFO kablam! su: No module specific data is present
Oct 31 20:04:34.101 INFO running `"docker" "rm" "-f" "a374caaffc376b978df4ad2d4c6fce22b573bb0c33d832726a7cabbd2e93cd97"`
Oct 31 20:04:34.373 INFO blam! a374caaffc376b978df4ad2d4c6fce22b573bb0c33d832726a7cabbd2e93cd97