Nov 02 07:09:47.578 INFO checking sbeckeriv/greedy-color against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 07:09:47.580 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 07:09:48.212 INFO blam! 6288491bc72e3df5e6a3c30903e79f574db59b410260d13b8527aa9661e353b3
Nov 02 07:09:48.219 INFO running `"docker" "start" "-a" "6288491bc72e3df5e6a3c30903e79f574db59b410260d13b8527aa9661e353b3"`
Nov 02 07:09:49.514 INFO kablam! usermod: no changes
Nov 02 07:09:49.592 INFO kablam!    Compiling ruby-sys v0.2.17
Nov 02 07:09:49.592 INFO kablam!     Checking libc v0.2.11
Nov 02 07:09:51.784 INFO kablam!     Checking ruru v0.9.1
Nov 02 07:09:52.420 INFO kablam!     Checking hash_color v0.1.0 (/source)
Nov 02 07:09:52.868 INFO kablam! warning: unused imports: `AnyObject`, `Boolean`, `VM`
Nov 02 07:09:52.868 INFO kablam!  --> src/lib.rs:3:12
Nov 02 07:09:52.868 INFO kablam!   |
Nov 02 07:09:52.868 INFO kablam! 3 | use ruru::{AnyObject, Boolean, Class, Fixnum, Hash, VM, Array};
Nov 02 07:09:52.868 INFO kablam!   |            ^^^^^^^^^  ^^^^^^^                       ^^
Nov 02 07:09:52.868 INFO kablam!   |
Nov 02 07:09:52.868 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 07:09:52.868 INFO kablam! 
Nov 02 07:09:52.868 INFO kablam! warning: unused import: `ruru::types::Argc`
Nov 02 07:09:52.868 INFO kablam!  --> src/lib.rs:5:5
Nov 02 07:09:52.868 INFO kablam!   |
Nov 02 07:09:52.868 INFO kablam! 5 | use ruru::types::Argc;
Nov 02 07:09:52.868 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 02 07:09:52.868 INFO kablam! 
Nov 02 07:09:52.868 INFO kablam! warning: unused import: `HashMap`
Nov 02 07:09:52.868 INFO kablam!  --> src/lib.rs:6:33
Nov 02 07:09:52.868 INFO kablam!   |
Nov 02 07:09:52.868 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 02 07:09:52.868 INFO kablam!   |                                 ^^^^^^^
Nov 02 07:09:52.868 INFO kablam! 
Nov 02 07:09:53.014 INFO kablam! warning: unused imports: `AnyObject`, `Boolean`, `VM`
Nov 02 07:09:53.015 INFO kablam!  --> src/lib.rs:3:12
Nov 02 07:09:53.015 INFO kablam!   |
Nov 02 07:09:53.015 INFO kablam! 3 | use ruru::{AnyObject, Boolean, Class, Fixnum, Hash, VM, Array};
Nov 02 07:09:53.016 INFO kablam!   |            ^^^^^^^^^  ^^^^^^^                       ^^
Nov 02 07:09:53.016 INFO kablam!   |
Nov 02 07:09:53.017 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 07:09:53.017 INFO kablam! 
Nov 02 07:09:53.018 INFO kablam! warning: unused import: `ruru::types::Argc`
Nov 02 07:09:53.018 INFO kablam!  --> src/lib.rs:5:5
Nov 02 07:09:53.018 INFO kablam!   |
Nov 02 07:09:53.019 INFO kablam! 5 | use ruru::types::Argc;
Nov 02 07:09:53.019 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Nov 02 07:09:53.019 INFO kablam! 
Nov 02 07:09:53.019 INFO kablam! warning: unused import: `HashMap`
Nov 02 07:09:53.024 INFO kablam!  --> src/lib.rs:6:33
Nov 02 07:09:53.024 INFO kablam!   |
Nov 02 07:09:53.024 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Nov 02 07:09:53.024 INFO kablam!   |                                 ^^^^^^^
Nov 02 07:09:53.024 INFO kablam! 
Nov 02 07:09:53.121 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
Nov 02 07:09:53.124 INFO kablam! su: No module specific data is present
Nov 02 07:09:54.200 INFO running `"docker" "rm" "-f" "6288491bc72e3df5e6a3c30903e79f574db59b410260d13b8527aa9661e353b3"`
Nov 02 07:09:54.580 INFO blam! 6288491bc72e3df5e6a3c30903e79f574db59b410260d13b8527aa9661e353b3