Dec 05 00:49:41.812 INFO checking OffBlockway/OffBlockwayMiningClient against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:49:41.812 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 00:49:42.712 INFO [stdout] 2fc7a3aeb2567441dc01f168bf5a5f868b6e9a835034ead3dccce478a4d2e3d2
Dec 05 00:49:42.714 INFO running `"docker" "start" "-a" "2fc7a3aeb2567441dc01f168bf5a5f868b6e9a835034ead3dccce478a4d2e3d2"`
Dec 05 00:49:43.959 INFO [stderr] usermod: no changes
Dec 05 00:49:44.138 INFO [stderr]     Checking sha3 v0.6.0
Dec 05 00:49:44.815 INFO [stderr]     Checking off_blockway v0.0.8
Dec 05 00:49:46.927 INFO [stderr]     Checking mining_client v0.1.0 (/source)
Dec 05 00:49:50.045 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:49:50.045 INFO [stderr]    --> src/main.rs:104:9
Dec 05 00:49:50.045 INFO [stderr]     |
Dec 05 00:49:50.046 INFO [stderr] 104 |         file.read_to_string( &mut buffer );
Dec 05 00:49:50.046 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:49:50.046 INFO [stderr]     |
Dec 05 00:49:50.046 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 00:49:50.047 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:49:50.047 INFO [stderr] 
Dec 05 00:49:50.099 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:49:50.099 INFO [stderr]    --> src/main.rs:104:9
Dec 05 00:49:50.099 INFO [stderr]     |
Dec 05 00:49:50.099 INFO [stderr] 104 |         file.read_to_string( &mut buffer );
Dec 05 00:49:50.099 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:49:50.099 INFO [stderr]     |
Dec 05 00:49:50.099 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 00:49:50.099 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:49:50.099 INFO [stderr] 
Dec 05 00:49:50.147 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.17s
Dec 05 00:49:50.150 INFO [stderr] su: No module specific data is present
Dec 05 00:49:51.543 INFO running `"docker" "inspect" "2fc7a3aeb2567441dc01f168bf5a5f868b6e9a835034ead3dccce478a4d2e3d2"`
Dec 05 00:49:51.881 INFO running `"docker" "rm" "-f" "2fc7a3aeb2567441dc01f168bf5a5f868b6e9a835034ead3dccce478a4d2e3d2"`
Dec 05 00:49:52.299 INFO [stdout] 2fc7a3aeb2567441dc01f168bf5a5f868b6e9a835034ead3dccce478a4d2e3d2