Oct 13 08:11:22.746 INFO checking sparkline-0.1.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 08:11:22.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/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 08:11:22.925 INFO blam! a4f1db0d18f939d52d33965926061df7a41370f8ac3150ac7bd5573dd6498f18
Oct 13 08:11:22.926 INFO running `"docker" "start" "-a" "a4f1db0d18f939d52d33965926061df7a41370f8ac3150ac7bd5573dd6498f18"`
Oct 13 08:11:23.688 INFO kablam! usermod: no changes
Oct 13 08:11:23.808 INFO kablam!     Checking sparkline v0.1.1 (/source)
Oct 13 08:11:24.740 INFO kablam! warning: unused import: `SparkTheme`
Oct 13 08:11:24.741 INFO kablam!    --> src/lib.rs:100:9
Oct 13 08:11:24.741 INFO kablam!     |
Oct 13 08:11:24.741 INFO kablam! 100 |     use SparkTheme;
Oct 13 08:11:24.741 INFO kablam!     |         ^^^^^^^^^^
Oct 13 08:11:24.741 INFO kablam!     |
Oct 13 08:11:24.741 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 13 08:11:24.741 INFO kablam! 
Oct 13 08:11:27.243 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
Oct 13 08:11:27.249 INFO kablam! su: No module specific data is present
Oct 13 08:11:27.682 INFO running `"docker" "rm" "-f" "a4f1db0d18f939d52d33965926061df7a41370f8ac3150ac7bd5573dd6498f18"`
Oct 13 08:11:27.872 INFO blam! a4f1db0d18f939d52d33965926061df7a41370f8ac3150ac7bd5573dd6498f18