Sep 21 12:53:30.878 INFO checking black_scholes-0.3.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 12:53:30.878 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 12:53:30.878 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 12:53:31.124 INFO blam! 1ef52250d0ec9bb905e6962a276717fa37b71a8abf1631bae9f8392235393eb9
Sep 21 12:53:31.126 INFO running `"docker" "start" "-a" "1ef52250d0ec9bb905e6962a276717fa37b71a8abf1631bae9f8392235393eb9"`
Sep 21 12:53:32.193 INFO kablam! usermod: no changes
Sep 21 12:53:32.280 INFO kablam!     Checking nrfind v1.0.2
Sep 21 12:53:33.274 INFO kablam!     Checking black_scholes v0.3.0 (/source)
Sep 21 12:53:34.222 INFO kablam! warning: unused import: `Distribution`
Sep 21 12:53:34.222 INFO kablam!   --> src/lib.rs:19:27
Sep 21 12:53:34.222 INFO kablam!    |
Sep 21 12:53:34.222 INFO kablam! 19 | use rand::distributions::{Distribution};
Sep 21 12:53:34.222 INFO kablam!    |                           ^^^^^^^^^^^^
Sep 21 12:53:34.222 INFO kablam!    |
Sep 21 12:53:34.222 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 21 12:53:34.222 INFO kablam! 
Sep 21 12:53:34.518 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
Sep 21 12:53:34.530 INFO kablam! su: No module specific data is present
Sep 21 12:53:35.700 INFO running `"docker" "rm" "-f" "1ef52250d0ec9bb905e6962a276717fa37b71a8abf1631bae9f8392235393eb9"`
Sep 21 12:53:35.831 INFO blam! 1ef52250d0ec9bb905e6962a276717fa37b71a8abf1631bae9f8392235393eb9