Nov 02 02:45:19.559 INFO checking zabio3/peano against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 02:45:19.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 02:45:20.080 INFO blam! b5285da02da8da4208bc40149cfaddc261d9ccdb195a956c60a4247bde18f6a2
Nov 02 02:45:20.092 INFO running `"docker" "start" "-a" "b5285da02da8da4208bc40149cfaddc261d9ccdb195a956c60a4247bde18f6a2"`
Nov 02 02:45:21.452 INFO kablam! usermod: no changes
Nov 02 02:45:21.493 INFO kablam!     Checking peano v0.1.0 (/source)
Nov 02 02:45:21.784 INFO kablam! warning: enum is never used: `Peano`
Nov 02 02:45:21.784 INFO kablam!  --> src/main.rs:2:1
Nov 02 02:45:21.784 INFO kablam!   |
Nov 02 02:45:21.784 INFO kablam! 2 | enum Peano<'a> {
Nov 02 02:45:21.784 INFO kablam!   | ^^^^^^^^^^^^^^
Nov 02 02:45:21.784 INFO kablam!   |
Nov 02 02:45:21.784 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 02:45:21.784 INFO kablam! 
Nov 02 02:45:21.784 INFO kablam! warning: method is never used: `to_i`
Nov 02 02:45:21.784 INFO kablam!   --> src/main.rs:13:5
Nov 02 02:45:21.784 INFO kablam!    |
Nov 02 02:45:21.784 INFO kablam! 13 |     fn to_i(&self) -> u32 {
Nov 02 02:45:21.784 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:45:21.784 INFO kablam! 
Nov 02 02:45:21.784 INFO kablam! warning: function is never used: `zero`
Nov 02 02:45:21.784 INFO kablam!   --> src/main.rs:21:1
Nov 02 02:45:21.784 INFO kablam!    |
Nov 02 02:45:21.785 INFO kablam! 21 | fn zero<'a>() -> Peano<'a> {
Nov 02 02:45:21.785 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:45:21.785 INFO kablam! 
Nov 02 02:45:21.785 INFO kablam! warning: function is never used: `suc`
Nov 02 02:45:21.785 INFO kablam!   --> src/main.rs:26:1
Nov 02 02:45:21.785 INFO kablam!    |
Nov 02 02:45:21.785 INFO kablam! 26 | fn suc<'a>(n: &'a Peano) -> Peano<'a> {
Nov 02 02:45:21.785 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:45:21.785 INFO kablam! 
Nov 02 02:45:21.828 INFO kablam! warning: variant is never constructed: `Suc`
Nov 02 02:45:21.828 INFO kablam!  --> src/main.rs:8:5
Nov 02 02:45:21.828 INFO kablam!   |
Nov 02 02:45:21.828 INFO kablam! 8 |     Suc(&'a Peano<'a>),
Nov 02 02:45:21.828 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Nov 02 02:45:21.828 INFO kablam!   |
Nov 02 02:45:21.828 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 02:45:21.828 INFO kablam! 
Nov 02 02:45:21.828 INFO kablam! warning: function is never used: `suc`
Nov 02 02:45:21.828 INFO kablam!   --> src/main.rs:26:1
Nov 02 02:45:21.828 INFO kablam!    |
Nov 02 02:45:21.828 INFO kablam! 26 | fn suc<'a>(n: &'a Peano) -> Peano<'a> {
Nov 02 02:45:21.828 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 02:45:21.828 INFO kablam! 
Nov 02 02:45:21.876 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Nov 02 02:45:21.876 INFO kablam! su: No module specific data is present
Nov 02 02:45:23.175 INFO running `"docker" "rm" "-f" "b5285da02da8da4208bc40149cfaddc261d9ccdb195a956c60a4247bde18f6a2"`
Nov 02 02:45:23.509 INFO blam! b5285da02da8da4208bc40149cfaddc261d9ccdb195a956c60a4247bde18f6a2