Oct 13 06:59:35.073 INFO checking twiggy-traits-0.3.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 06:59:35.075 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 06:59:35.588 INFO blam! 1c7d4667a1148b00c12122e6413c99faf33e203b05fdd2a90c70d423525cee08
Oct 13 06:59:35.590 INFO running `"docker" "start" "-a" "1c7d4667a1148b00c12122e6413c99faf33e203b05fdd2a90c70d423525cee08"`
Oct 13 06:59:37.615 INFO kablam! usermod: no changes
Oct 13 06:59:37.807 INFO kablam!     Checking stable_deref_trait v1.1.1
Oct 13 06:59:37.807 INFO kablam!     Checking frozen v1.0.0
Oct 13 06:59:37.816 INFO kablam!    Compiling cpp_demangle v0.2.12
Oct 13 06:59:37.816 INFO kablam!     Checking petgraph v0.4.13
Oct 13 06:59:37.818 INFO kablam!     Checking parity-wasm v0.32.0
Oct 13 06:59:40.289 INFO kablam!     Checking gimli v0.16.1
Oct 13 06:59:52.932 INFO kablam!     Checking twiggy-ir v0.3.0
Oct 13 06:59:54.416 INFO kablam!     Checking twiggy-traits v0.3.0 (/source)
Oct 13 06:59:57.636 INFO kablam! warning: unused variable: `items`
Oct 13 06:59:57.636 INFO kablam!    --> traits.rs:197:9
Oct 13 06:59:57.636 INFO kablam!     |
Oct 13 06:59:57.636 INFO kablam! 197 |         items: &ir::Items,
Oct 13 06:59:57.636 INFO kablam!     |         ^^^^^ help: consider using `_items` instead
Oct 13 06:59:57.636 INFO kablam!     |
Oct 13 06:59:57.636 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 06:59:57.636 INFO kablam! 
Oct 13 06:59:57.636 INFO kablam! warning: unused variable: `destination`
Oct 13 06:59:57.636 INFO kablam!    --> traits.rs:198:9
Oct 13 06:59:57.636 INFO kablam!     |
Oct 13 06:59:57.636 INFO kablam! 198 |         destination: &mut io::Write,
Oct 13 06:59:57.636 INFO kablam!     |         ^^^^^^^^^^^ help: consider using `_destination` instead
Oct 13 06:59:57.636 INFO kablam! 
Oct 13 06:59:57.724 INFO kablam! warning: unused variable: `items`
Oct 13 06:59:57.724 INFO kablam!    --> traits.rs:197:9
Oct 13 06:59:57.724 INFO kablam!     |
Oct 13 06:59:57.724 INFO kablam! 197 |         items: &ir::Items,
Oct 13 06:59:57.724 INFO kablam!     |         ^^^^^ help: consider using `_items` instead
Oct 13 06:59:57.724 INFO kablam!     |
Oct 13 06:59:57.724 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 13 06:59:57.724 INFO kablam! 
Oct 13 06:59:57.724 INFO kablam! warning: unused variable: `destination`
Oct 13 06:59:57.724 INFO kablam!    --> traits.rs:198:9
Oct 13 06:59:57.724 INFO kablam!     |
Oct 13 06:59:57.724 INFO kablam! 198 |         destination: &mut io::Write,
Oct 13 06:59:57.724 INFO kablam!     |         ^^^^^^^^^^^ help: consider using `_destination` instead
Oct 13 06:59:57.724 INFO kablam! 
Oct 13 06:59:57.808 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 20.16s
Oct 13 06:59:57.837 INFO kablam! su: No module specific data is present
Oct 13 06:59:59.077 INFO running `"docker" "rm" "-f" "1c7d4667a1148b00c12122e6413c99faf33e203b05fdd2a90c70d423525cee08"`
Oct 13 06:59:59.452 INFO blam! 1c7d4667a1148b00c12122e6413c99faf33e203b05fdd2a90c70d423525cee08