Nov 04 05:03:55.180 INFO checking jhwagner/rust_by_example_solutions against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 05:03:55.180 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 05:03:55.700 INFO blam! 3a6f167b4e59d0e840ea4257810481370503d73917f423045ab1b5c89334ab93
Nov 04 05:03:55.702 INFO running `"docker" "start" "-a" "3a6f167b4e59d0e840ea4257810481370503d73917f423045ab1b5c89334ab93"`
Nov 04 05:03:57.751 INFO kablam! usermod: no changes
Nov 04 05:03:57.809 INFO kablam!     Checking rust_by_example_solutions v0.1.0 (/source)
Nov 04 05:04:00.047 INFO kablam! warning: struct is never constructed: `Structure`
Nov 04 05:04:00.047 INFO kablam!   --> src/bin/1_2_0_formatted_print.rs:27:5
Nov 04 05:04:00.047 INFO kablam!    |
Nov 04 05:04:00.047 INFO kablam! 27 |     struct Structure(i32);
Nov 04 05:04:00.047 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 04 05:04:00.047 INFO kablam!    |
Nov 04 05:04:00.047 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 04 05:04:00.047 INFO kablam! 
Nov 04 05:04:00.171 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
Nov 04 05:04:00.175 INFO kablam! su: No module specific data is present
Nov 04 05:04:00.775 INFO running `"docker" "rm" "-f" "3a6f167b4e59d0e840ea4257810481370503d73917f423045ab1b5c89334ab93"`
Nov 04 05:04:01.003 INFO blam! 3a6f167b4e59d0e840ea4257810481370503d73917f423045ab1b5c89334ab93