Sep 21 12:53:28.552 INFO checking black_scholes-0.3.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 12:53:28.552 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 12:53:28.553 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:53:28.801 INFO blam! 8bf3d2f1e3b9c447e131cb6aa01d6b3af26bb707fbf385bc3206de6ba771a836
Sep 21 12:53:28.802 INFO running `"docker" "start" "-a" "8bf3d2f1e3b9c447e131cb6aa01d6b3af26bb707fbf385bc3206de6ba771a836"`
Sep 21 12:53:30.062 INFO kablam! usermod: no changes
Sep 21 12:53:30.258 INFO kablam!     Checking black_scholes v0.3.0 (/source)
Sep 21 12:53:31.386 INFO kablam! warning: unused import: `Distribution`
Sep 21 12:53:31.386 INFO kablam!   --> src/lib.rs:19:27
Sep 21 12:53:31.386 INFO kablam!    |
Sep 21 12:53:31.386 INFO kablam! 19 | use rand::distributions::{Distribution};
Sep 21 12:53:31.386 INFO kablam!    |                           ^^^^^^^^^^^^
Sep 21 12:53:31.386 INFO kablam!    |
Sep 21 12:53:31.386 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 12:53:31.386 INFO kablam! 
Sep 21 12:53:31.568 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Sep 21 12:53:31.578 INFO kablam! su: No module specific data is present
Sep 21 12:53:32.499 INFO running `"docker" "rm" "-f" "8bf3d2f1e3b9c447e131cb6aa01d6b3af26bb707fbf385bc3206de6ba771a836"`
Sep 21 12:53:32.612 INFO blam! 8bf3d2f1e3b9c447e131cb6aa01d6b3af26bb707fbf385bc3206de6ba771a836