Dec 19 09:21:27.375 INFO checking sbeckeriv/greedy-color against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:21:27.376 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/sbeckeriv/greedy-color:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:21:27.852 INFO [stdout] 5adbf9201ce1d424dcc27967896504ed0278cc7c7500b82c0727be9bee71cff9
Dec 19 09:21:27.860 INFO running `"docker" "start" "-a" "5adbf9201ce1d424dcc27967896504ed0278cc7c7500b82c0727be9bee71cff9"`
Dec 19 09:21:29.961 INFO [stderr]    Compiling ruby-sys v0.2.17
Dec 19 09:21:31.658 INFO [stderr]     Checking ruru v0.9.1
Dec 19 09:21:32.251 INFO [stderr]     Checking hash_color v0.1.0 (/opt/crater/workdir)
Dec 19 09:21:32.448 INFO [stderr] warning: unused imports: `AnyObject`, `Boolean`, `VM`
Dec 19 09:21:32.448 INFO [stderr]  --> src/lib.rs:3:12
Dec 19 09:21:32.448 INFO [stderr]   |
Dec 19 09:21:32.448 INFO [stderr] 3 | use ruru::{AnyObject, Boolean, Class, Fixnum, Hash, VM, Array};
Dec 19 09:21:32.448 INFO [stderr]   |            ^^^^^^^^^  ^^^^^^^                       ^^
Dec 19 09:21:32.448 INFO [stderr]   |
Dec 19 09:21:32.448 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 09:21:32.448 INFO [stderr] 
Dec 19 09:21:32.448 INFO [stderr] warning: unused import: `ruru::types::Argc`
Dec 19 09:21:32.448 INFO [stderr]  --> src/lib.rs:5:5
Dec 19 09:21:32.448 INFO [stderr]   |
Dec 19 09:21:32.448 INFO [stderr] 5 | use ruru::types::Argc;
Dec 19 09:21:32.448 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 09:21:32.448 INFO [stderr] 
Dec 19 09:21:32.448 INFO [stderr] warning: unused import: `HashMap`
Dec 19 09:21:32.448 INFO [stderr]  --> src/lib.rs:6:33
Dec 19 09:21:32.448 INFO [stderr]   |
Dec 19 09:21:32.448 INFO [stderr] 6 | use std::collections::{HashSet, HashMap};
Dec 19 09:21:32.449 INFO [stderr]   |                                 ^^^^^^^
Dec 19 09:21:32.449 INFO [stderr] 
Dec 19 09:21:32.652 INFO [stderr] warning: unused imports: `AnyObject`, `Boolean`, `VM`
Dec 19 09:21:32.652 INFO [stderr]  --> src/lib.rs:3:12
Dec 19 09:21:32.652 INFO [stderr]   |
Dec 19 09:21:32.652 INFO [stderr] 3 | use ruru::{AnyObject, Boolean, Class, Fixnum, Hash, VM, Array};
Dec 19 09:21:32.652 INFO [stderr]   |            ^^^^^^^^^  ^^^^^^^                       ^^
Dec 19 09:21:32.652 INFO [stderr]   |
Dec 19 09:21:32.652 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 09:21:32.652 INFO [stderr] 
Dec 19 09:21:32.652 INFO [stderr] warning: unused import: `ruru::types::Argc`
Dec 19 09:21:32.652 INFO [stderr]  --> src/lib.rs:5:5
Dec 19 09:21:32.652 INFO [stderr]   |
Dec 19 09:21:32.652 INFO [stderr] 5 | use ruru::types::Argc;
Dec 19 09:21:32.652 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 09:21:32.652 INFO [stderr] 
Dec 19 09:21:32.652 INFO [stderr] warning: unused import: `HashMap`
Dec 19 09:21:32.652 INFO [stderr]  --> src/lib.rs:6:33
Dec 19 09:21:32.652 INFO [stderr]   |
Dec 19 09:21:32.652 INFO [stderr] 6 | use std::collections::{HashSet, HashMap};
Dec 19 09:21:32.652 INFO [stderr]   |                                 ^^^^^^^
Dec 19 09:21:32.652 INFO [stderr] 
Dec 19 09:21:32.716 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
Dec 19 09:21:33.838 INFO running `"docker" "inspect" "5adbf9201ce1d424dcc27967896504ed0278cc7c7500b82c0727be9bee71cff9"`
Dec 19 09:21:34.194 INFO running `"docker" "rm" "-f" "5adbf9201ce1d424dcc27967896504ed0278cc7c7500b82c0727be9bee71cff9"`
Dec 19 09:21:34.484 INFO [stdout] 5adbf9201ce1d424dcc27967896504ed0278cc7c7500b82c0727be9bee71cff9