Oct 31 20:01:55.507 INFO checking taskie/rust-memo against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 20:01:55.509 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 20:01:55.977 INFO blam! 5a564e26e2f685ea02bed65fdbbfb3410ff462cf5d49266bf34d674536ef3619
Oct 31 20:01:55.979 INFO running `"docker" "start" "-a" "5a564e26e2f685ea02bed65fdbbfb3410ff462cf5d49266bf34d674536ef3619"`
Oct 31 20:01:57.880 INFO kablam! usermod: no changes
Oct 31 20:01:57.938 INFO kablam!     Checking memo v0.1.0 (/source)
Oct 31 20:01:58.392 INFO kablam! warning: struct is never constructed: `S2_1`
Oct 31 20:01:58.392 INFO kablam!  --> src/memo1.rs:5:1
Oct 31 20:01:58.392 INFO kablam!   |
Oct 31 20:01:58.392 INFO kablam! 5 | struct S2_1 { s1: Option<S1> }
Oct 31 20:01:58.392 INFO kablam!   | ^^^^^^^^^^^
Oct 31 20:01:58.392 INFO kablam!   |
Oct 31 20:01:58.392 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 31 20:01:58.392 INFO kablam! 
Oct 31 20:01:58.392 INFO kablam! warning: struct is never constructed: `S2_2`
Oct 31 20:01:58.392 INFO kablam!  --> src/memo1.rs:8:1
Oct 31 20:01:58.392 INFO kablam!   |
Oct 31 20:01:58.392 INFO kablam! 8 | struct S2_2<'a> { s1: Option<&'a S1> }
Oct 31 20:01:58.392 INFO kablam!   | ^^^^^^^^^^^^^^^
Oct 31 20:01:58.392 INFO kablam! 
Oct 31 20:01:58.392 INFO kablam! warning: method is never used: `f1`
Oct 31 20:01:58.392 INFO kablam!   --> src/memo1.rs:16:5
Oct 31 20:01:58.392 INFO kablam!    |
Oct 31 20:01:58.392 INFO kablam! 16 |     fn f1(&self) -> S1 {
Oct 31 20:01:58.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^
Oct 31 20:01:58.392 INFO kablam! 
Oct 31 20:01:58.392 INFO kablam! warning: method is never used: `f1`
Oct 31 20:01:58.392 INFO kablam!   --> src/memo1.rs:23:5
Oct 31 20:01:58.392 INFO kablam!    |
Oct 31 20:01:58.392 INFO kablam! 23 |     fn f1(&self) -> &S1 {
Oct 31 20:01:58.392 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^
Oct 31 20:01:58.392 INFO kablam! 
Oct 31 20:01:58.434 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Oct 31 20:01:58.437 INFO kablam! su: No module specific data is present
Oct 31 20:01:59.307 INFO running `"docker" "rm" "-f" "5a564e26e2f685ea02bed65fdbbfb3410ff462cf5d49266bf34d674536ef3619"`
Oct 31 20:01:59.583 INFO blam! 5a564e26e2f685ea02bed65fdbbfb3410ff462cf5d49266bf34d674536ef3619