Oct 31 17:16:08.992 INFO checking zabio3/peano against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 17:16:08.994 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 17:16:09.474 INFO blam! 9eb68a78b8c265902ee358c2afc88e9ec539a960440246677841ce804cc583c9
Oct 31 17:16:09.475 INFO running `"docker" "start" "-a" "9eb68a78b8c265902ee358c2afc88e9ec539a960440246677841ce804cc583c9"`
Oct 31 17:16:11.336 INFO kablam! usermod: no changes
Oct 31 17:16:11.439 INFO kablam!     Checking peano v0.1.0 (/source)
Oct 31 17:16:11.624 INFO kablam! warning: enum is never used: `Peano`
Oct 31 17:16:11.624 INFO kablam!  --> src/main.rs:2:1
Oct 31 17:16:11.624 INFO kablam!   |
Oct 31 17:16:11.624 INFO kablam! 2 | enum Peano<'a> {
Oct 31 17:16:11.624 INFO kablam!   | ^^^^^^^^^^^^^^
Oct 31 17:16:11.624 INFO kablam!   |
Oct 31 17:16:11.624 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 17:16:11.624 INFO kablam! 
Oct 31 17:16:11.624 INFO kablam! warning: method is never used: `to_i`
Oct 31 17:16:11.624 INFO kablam!   --> src/main.rs:13:5
Oct 31 17:16:11.624 INFO kablam!    |
Oct 31 17:16:11.624 INFO kablam! 13 |     fn to_i(&self) -> u32 {
Oct 31 17:16:11.624 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:16:11.624 INFO kablam! 
Oct 31 17:16:11.624 INFO kablam! warning: function is never used: `zero`
Oct 31 17:16:11.624 INFO kablam!   --> src/main.rs:21:1
Oct 31 17:16:11.624 INFO kablam!    |
Oct 31 17:16:11.624 INFO kablam! 21 | fn zero<'a>() -> Peano<'a> {
Oct 31 17:16:11.624 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:16:11.624 INFO kablam! 
Oct 31 17:16:11.624 INFO kablam! warning: function is never used: `suc`
Oct 31 17:16:11.624 INFO kablam!   --> src/main.rs:26:1
Oct 31 17:16:11.624 INFO kablam!    |
Oct 31 17:16:11.624 INFO kablam! 26 | fn suc<'a>(n: &'a Peano) -> Peano<'a> {
Oct 31 17:16:11.624 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:16:11.625 INFO kablam! 
Oct 31 17:16:11.740 INFO kablam! warning: variant is never constructed: `Suc`
Oct 31 17:16:11.740 INFO kablam!  --> src/main.rs:8:5
Oct 31 17:16:11.740 INFO kablam!   |
Oct 31 17:16:11.740 INFO kablam! 8 |     Suc(&'a Peano<'a>),
Oct 31 17:16:11.740 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^
Oct 31 17:16:11.740 INFO kablam!   |
Oct 31 17:16:11.740 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 17:16:11.740 INFO kablam! 
Oct 31 17:16:11.740 INFO kablam! warning: function is never used: `suc`
Oct 31 17:16:11.740 INFO kablam!   --> src/main.rs:26:1
Oct 31 17:16:11.740 INFO kablam!    |
Oct 31 17:16:11.740 INFO kablam! 26 | fn suc<'a>(n: &'a Peano) -> Peano<'a> {
Oct 31 17:16:11.740 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:16:11.740 INFO kablam! 
Oct 31 17:16:11.756 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Oct 31 17:16:11.769 INFO kablam! su: No module specific data is present
Oct 31 17:16:12.899 INFO running `"docker" "rm" "-f" "9eb68a78b8c265902ee358c2afc88e9ec539a960440246677841ce804cc583c9"`
Oct 31 17:16:13.252 INFO blam! 9eb68a78b8c265902ee358c2afc88e9ec539a960440246677841ce804cc583c9