Dec 14 07:15:35.967 INFO testing OffBlockway/OffBlockwayMiningClient against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 07:15:35.967 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 14 07:15:36.628 INFO [stdout] 4925a525a043d9588ed56c04ff13fcd25d85db6fbd58e0fed030a70e389ef377
Dec 14 07:15:36.630 INFO running `"docker" "start" "-a" "4925a525a043d9588ed56c04ff13fcd25d85db6fbd58e0fed030a70e389ef377"`
Dec 14 07:15:38.243 INFO [stderr] usermod: no changes
Dec 14 07:15:38.383 INFO [stderr]    Compiling serde_json v1.0.8
Dec 14 07:15:38.399 INFO [stderr]    Compiling sha3 v0.6.0
Dec 14 07:15:43.751 INFO [stderr]    Compiling off_blockway v0.0.8
Dec 14 07:15:48.191 INFO [stderr]    Compiling mining_client v0.1.0 (/source)
Dec 14 07:15:49.986 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 07:15:49.987 INFO [stderr]    --> src/main.rs:104:9
Dec 14 07:15:49.987 INFO [stderr]     |
Dec 14 07:15:49.987 INFO [stderr] 104 |         file.read_to_string( &mut buffer );
Dec 14 07:15:49.987 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:15:49.988 INFO [stderr]     |
Dec 14 07:15:49.988 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 07:15:49.988 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 07:15:49.989 INFO [stderr] 
Dec 14 07:15:51.723 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.44s
Dec 14 07:15:51.733 INFO [stderr] su: No module specific data is present
Dec 14 07:15:52.912 INFO running `"docker" "inspect" "4925a525a043d9588ed56c04ff13fcd25d85db6fbd58e0fed030a70e389ef377"`
Dec 14 07:15:53.351 INFO running `"docker" "rm" "-f" "4925a525a043d9588ed56c04ff13fcd25d85db6fbd58e0fed030a70e389ef377"`
Dec 14 07:15:53.631 INFO [stdout] 4925a525a043d9588ed56c04ff13fcd25d85db6fbd58e0fed030a70e389ef377
Dec 14 07:15:53.633 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 14 07:15:54.256 INFO [stdout] 075cfb702cb2a730290e2bd843fd0826c28a7bb054f7064fecde62afb8d8dd9c
Dec 14 07:15:54.258 INFO running `"docker" "start" "-a" "075cfb702cb2a730290e2bd843fd0826c28a7bb054f7064fecde62afb8d8dd9c"`
Dec 14 07:15:56.039 INFO [stderr] usermod: no changes
Dec 14 07:15:56.163 INFO [stderr]    Compiling mining_client v0.1.0 (/source)
Dec 14 07:15:58.023 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 07:15:58.023 INFO [stderr]    --> src/main.rs:104:9
Dec 14 07:15:58.023 INFO [stderr]     |
Dec 14 07:15:58.023 INFO [stderr] 104 |         file.read_to_string( &mut buffer );
Dec 14 07:15:58.023 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 07:15:58.023 INFO [stderr]     |
Dec 14 07:15:58.023 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 07:15:58.023 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 07:15:58.023 INFO [stderr] 
Dec 14 07:15:58.435 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
Dec 14 07:15:58.437 INFO [stderr] su: No module specific data is present
Dec 14 07:15:59.733 INFO running `"docker" "inspect" "075cfb702cb2a730290e2bd843fd0826c28a7bb054f7064fecde62afb8d8dd9c"`
Dec 14 07:16:00.047 INFO running `"docker" "rm" "-f" "075cfb702cb2a730290e2bd843fd0826c28a7bb054f7064fecde62afb8d8dd9c"`
Dec 14 07:16:00.400 INFO [stdout] 075cfb702cb2a730290e2bd843fd0826c28a7bb054f7064fecde62afb8d8dd9c
Dec 14 07:16:00.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 14 07:16:00.920 INFO [stdout] 630222421ac8bfb4ee1dc29ec3327f462bd3ee1ad7502e82f8069481c446a74a
Dec 14 07:16:00.922 INFO running `"docker" "start" "-a" "630222421ac8bfb4ee1dc29ec3327f462bd3ee1ad7502e82f8069481c446a74a"`
Dec 14 07:16:02.987 INFO [stderr] usermod: no changes
Dec 14 07:16:03.179 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
Dec 14 07:16:03.179 INFO [stderr]      Running /target/debug/deps/mining_client-6336568ea7ace455
Dec 14 07:16:03.183 INFO [stdout] 
Dec 14 07:16:03.183 INFO [stdout] running 0 tests
Dec 14 07:16:03.183 INFO [stdout] 
Dec 14 07:16:03.183 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 07:16:03.183 INFO [stdout] 
Dec 14 07:16:03.187 INFO [stderr] su: No module specific data is present
Dec 14 07:16:04.452 INFO running `"docker" "inspect" "630222421ac8bfb4ee1dc29ec3327f462bd3ee1ad7502e82f8069481c446a74a"`
Dec 14 07:16:04.779 INFO running `"docker" "rm" "-f" "630222421ac8bfb4ee1dc29ec3327f462bd3ee1ad7502e82f8069481c446a74a"`
Dec 14 07:16:05.047 INFO [stdout] 630222421ac8bfb4ee1dc29ec3327f462bd3ee1ad7502e82f8069481c446a74a