Sep 10 09:26:13.747 INFO checking sparkline-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 09:26:13.747 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 09:26:13.747 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:26:13.941 INFO blam! 41e95a706f2c0e471feb5d207222f812f3c9dd690104ace7e7943e42a7665e1e
Sep 10 09:26:13.943 INFO running `"docker" "start" "-a" "41e95a706f2c0e471feb5d207222f812f3c9dd690104ace7e7943e42a7665e1e"`
Sep 10 09:26:15.118 INFO kablam! usermod: no changes
Sep 10 09:26:15.222 INFO kablam!     Checking docopt v0.6.86
Sep 10 09:26:16.713 INFO kablam!     Checking sparkline v0.1.1 (file:///source)
Sep 10 09:26:16.914 INFO kablam! warning: unused import: `SparkTheme`
Sep 10 09:26:16.914 INFO kablam!    --> src/lib.rs:100:9
Sep 10 09:26:16.914 INFO kablam!     |
Sep 10 09:26:16.914 INFO kablam! 100 |     use SparkTheme;
Sep 10 09:26:16.914 INFO kablam!     |         ^^^^^^^^^^
Sep 10 09:26:16.914 INFO kablam!     |
Sep 10 09:26:16.914 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 10 09:26:16.914 INFO kablam! 
Sep 10 09:26:17.436 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
Sep 10 09:26:17.440 INFO kablam! su: No module specific data is present
Sep 10 09:26:18.235 INFO running `"docker" "rm" "-f" "41e95a706f2c0e471feb5d207222f812f3c9dd690104ace7e7943e42a7665e1e"`
Sep 10 09:26:18.358 INFO blam! 41e95a706f2c0e471feb5d207222f812f3c9dd690104ace7e7943e42a7665e1e