Oct 13 17:37:36.224 INFO checking black_scholes-0.3.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 17:37:36.224 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 17:37:36.442 INFO blam! 3cc5e3721ba7732649669ef25ac136b5005d05e7301d052ea16aabdd0b119837
Oct 13 17:37:36.446 INFO running `"docker" "start" "-a" "3cc5e3721ba7732649669ef25ac136b5005d05e7301d052ea16aabdd0b119837"`
Oct 13 17:37:36.936 INFO kablam! usermod: no changes
Oct 13 17:37:36.999 INFO kablam!     Checking black_scholes v0.3.0 (/source)
Oct 13 17:37:39.271 INFO kablam! warning: unused import: `Distribution`
Oct 13 17:37:39.272 INFO kablam!   --> src/lib.rs:19:27
Oct 13 17:37:39.273 INFO kablam!    |
Oct 13 17:37:39.273 INFO kablam! 19 | use rand::distributions::{Distribution};
Oct 13 17:37:39.274 INFO kablam!    |                           ^^^^^^^^^^^^
Oct 13 17:37:39.275 INFO kablam!    |
Oct 13 17:37:39.275 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 17:37:39.276 INFO kablam! 
Oct 13 17:37:39.431 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
Oct 13 17:37:39.435 INFO kablam! su: No module specific data is present
Oct 13 17:37:39.828 INFO running `"docker" "rm" "-f" "3cc5e3721ba7732649669ef25ac136b5005d05e7301d052ea16aabdd0b119837"`
Oct 13 17:37:39.968 INFO blam! 3cc5e3721ba7732649669ef25ac136b5005d05e7301d052ea16aabdd0b119837