Oct 31 21:42:52.718 INFO checking sbeckeriv/greedy-color against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 21:42:52.719 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-4/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 31 21:42:53.176 INFO blam! b4bed5b64590f1c45f0463e3930f9529bc2f529aa47d72325e7d8480fb9fb0dc
Oct 31 21:42:53.197 INFO running `"docker" "start" "-a" "b4bed5b64590f1c45f0463e3930f9529bc2f529aa47d72325e7d8480fb9fb0dc"`
Oct 31 21:42:54.520 INFO kablam! usermod: no changes
Oct 31 21:42:54.596 INFO kablam!    Compiling ruby-sys v0.2.17
Oct 31 21:42:54.596 INFO kablam!     Checking libc v0.2.11
Oct 31 21:42:56.756 INFO kablam!     Checking ruru v0.9.1
Oct 31 21:42:57.552 INFO kablam!     Checking hash_color v0.1.0 (/source)
Oct 31 21:42:58.088 INFO kablam! warning: unused imports: `AnyObject`, `Boolean`, `VM`
Oct 31 21:42:58.088 INFO kablam!  --> src/lib.rs:3:12
Oct 31 21:42:58.088 INFO kablam!   |
Oct 31 21:42:58.088 INFO kablam! 3 | use ruru::{AnyObject, Boolean, Class, Fixnum, Hash, VM, Array};
Oct 31 21:42:58.088 INFO kablam!   |            ^^^^^^^^^  ^^^^^^^                       ^^
Oct 31 21:42:58.088 INFO kablam!   |
Oct 31 21:42:58.088 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:42:58.088 INFO kablam! 
Oct 31 21:42:58.088 INFO kablam! warning: unused import: `ruru::types::Argc`
Oct 31 21:42:58.088 INFO kablam!  --> src/lib.rs:5:5
Oct 31 21:42:58.088 INFO kablam!   |
Oct 31 21:42:58.088 INFO kablam! 5 | use ruru::types::Argc;
Oct 31 21:42:58.088 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 31 21:42:58.088 INFO kablam! 
Oct 31 21:42:58.088 INFO kablam! warning: unused import: `HashMap`
Oct 31 21:42:58.088 INFO kablam!  --> src/lib.rs:6:33
Oct 31 21:42:58.088 INFO kablam!   |
Oct 31 21:42:58.088 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Oct 31 21:42:58.088 INFO kablam!   |                                 ^^^^^^^
Oct 31 21:42:58.089 INFO kablam! 
Oct 31 21:42:58.216 INFO kablam! warning: unused imports: `AnyObject`, `Boolean`, `VM`
Oct 31 21:42:58.216 INFO kablam!  --> src/lib.rs:3:12
Oct 31 21:42:58.216 INFO kablam!   |
Oct 31 21:42:58.216 INFO kablam! 3 | use ruru::{AnyObject, Boolean, Class, Fixnum, Hash, VM, Array};
Oct 31 21:42:58.216 INFO kablam!   |            ^^^^^^^^^  ^^^^^^^                       ^^
Oct 31 21:42:58.216 INFO kablam!   |
Oct 31 21:42:58.216 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:42:58.216 INFO kablam! 
Oct 31 21:42:58.216 INFO kablam! warning: unused import: `ruru::types::Argc`
Oct 31 21:42:58.216 INFO kablam!  --> src/lib.rs:5:5
Oct 31 21:42:58.216 INFO kablam!   |
Oct 31 21:42:58.216 INFO kablam! 5 | use ruru::types::Argc;
Oct 31 21:42:58.216 INFO kablam!   |     ^^^^^^^^^^^^^^^^^
Oct 31 21:42:58.216 INFO kablam! 
Oct 31 21:42:58.216 INFO kablam! warning: unused import: `HashMap`
Oct 31 21:42:58.216 INFO kablam!  --> src/lib.rs:6:33
Oct 31 21:42:58.216 INFO kablam!   |
Oct 31 21:42:58.216 INFO kablam! 6 | use std::collections::{HashSet, HashMap};
Oct 31 21:42:58.216 INFO kablam!   |                                 ^^^^^^^
Oct 31 21:42:58.216 INFO kablam! 
Oct 31 21:42:58.288 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
Oct 31 21:42:58.288 INFO kablam! su: No module specific data is present
Oct 31 21:42:59.269 INFO running `"docker" "rm" "-f" "b4bed5b64590f1c45f0463e3930f9529bc2f529aa47d72325e7d8480fb9fb0dc"`
Oct 31 21:42:59.660 INFO blam! b4bed5b64590f1c45f0463e3930f9529bc2f529aa47d72325e7d8480fb9fb0dc