Oct 12 18:50:20.787 INFO checking komu/weekend-raytracer against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 18:50:20.787 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/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 12 18:50:21.432 INFO blam! 63f81513313643fbd8249c40d2f873e4e7bca1693524bf587354c8d9c07e9e5a
Oct 12 18:50:21.444 INFO running `"docker" "start" "-a" "63f81513313643fbd8249c40d2f873e4e7bca1693524bf587354c8d9c07e9e5a"`
Oct 12 18:50:23.524 INFO kablam! usermod: no changes
Oct 12 18:50:23.720 INFO kablam!     Checking array-init v0.0.4
Oct 12 18:50:23.732 INFO kablam!     Checking cgmath v0.16.1
Oct 12 18:50:23.732 INFO kablam!    Compiling num-derive v0.2.2
Oct 12 18:50:32.188 INFO kablam!     Checking image v0.19.0
Oct 12 18:50:44.850 INFO kablam!     Checking weekend-raytracer v0.1.0 (/source)
Oct 12 18:50:47.154 INFO kablam! warning: unused variable: `rng`
Oct 12 18:50:47.155 INFO kablam!   --> src/main.rs:72:13
Oct 12 18:50:47.155 INFO kablam!    |
Oct 12 18:50:47.156 INFO kablam! 72 |     let mut rng = thread_rng();
Oct 12 18:50:47.156 INFO kablam!    |             ^^^ help: consider using `_rng` instead
Oct 12 18:50:47.157 INFO kablam!    |
Oct 12 18:50:47.160 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 18:50:47.160 INFO kablam! 
Oct 12 18:50:47.185 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:50:47.186 INFO kablam!   --> src/main.rs:72:9
Oct 12 18:50:47.187 INFO kablam!    |
Oct 12 18:50:47.187 INFO kablam! 72 |     let mut rng = thread_rng();
Oct 12 18:50:47.188 INFO kablam!    |         ----^^^
Oct 12 18:50:47.188 INFO kablam!    |         |
Oct 12 18:50:47.188 INFO kablam!    |         help: remove this `mut`
Oct 12 18:50:47.189 INFO kablam!    |
Oct 12 18:50:47.189 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:50:47.192 INFO kablam! 
Oct 12 18:50:47.478 INFO kablam! warning: unused variable: `rng`
Oct 12 18:50:47.478 INFO kablam!   --> src/main.rs:72:13
Oct 12 18:50:47.479 INFO kablam!    |
Oct 12 18:50:47.480 INFO kablam! 72 |     let mut rng = thread_rng();
Oct 12 18:50:47.481 INFO kablam!    |             ^^^ help: consider using `_rng` instead
Oct 12 18:50:47.481 INFO kablam!    |
Oct 12 18:50:47.482 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 18:50:47.482 INFO kablam! 
Oct 12 18:50:47.493 INFO kablam! warning: variable does not need to be mutable
Oct 12 18:50:47.494 INFO kablam!   --> src/main.rs:72:9
Oct 12 18:50:47.495 INFO kablam!    |
Oct 12 18:50:47.496 INFO kablam! 72 |     let mut rng = thread_rng();
Oct 12 18:50:47.496 INFO kablam!    |         ----^^^
Oct 12 18:50:47.497 INFO kablam!    |         |
Oct 12 18:50:47.498 INFO kablam!    |         help: remove this `mut`
Oct 12 18:50:47.498 INFO kablam!    |
Oct 12 18:50:47.499 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 18:50:47.499 INFO kablam! 
Oct 12 18:50:47.581 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.03s
Oct 12 18:50:47.589 INFO kablam! su: No module specific data is present
Oct 12 18:50:51.275 INFO running `"docker" "rm" "-f" "63f81513313643fbd8249c40d2f873e4e7bca1693524bf587354c8d9c07e9e5a"`
Oct 12 18:50:51.544 INFO blam! 63f81513313643fbd8249c40d2f873e4e7bca1693524bf587354c8d9c07e9e5a