Nov 17 12:55:40.463 INFO testing OffBlockway/OffBlockwayMiningClient against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 12:55:40.463 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 12:55:40.901 INFO [stdout] 7bc81302a899374cabcbb47ed8c1ad957a97fdc21f3241d06eac47a27d8e5bbf
Nov 17 12:55:40.903 INFO running `"docker" "start" "-a" "7bc81302a899374cabcbb47ed8c1ad957a97fdc21f3241d06eac47a27d8e5bbf"`
Nov 17 12:55:41.447 INFO [stderr] usermod: no changes
Nov 17 12:55:41.607 INFO [stderr]    Compiling time v0.1.38
Nov 17 12:55:41.619 INFO [stderr]    Compiling serde_json v1.0.8
Nov 17 12:55:41.627 INFO [stderr]    Compiling generic-array v0.8.3
Nov 17 12:55:42.636 INFO [stderr]    Compiling block-buffer v0.2.0
Nov 17 12:55:42.636 INFO [stderr]    Compiling digest v0.6.2
Nov 17 12:55:43.084 INFO [stderr]    Compiling sha3 v0.6.0
Nov 17 12:55:43.483 INFO [stderr]    Compiling chrono v0.4.0
Nov 17 12:55:48.929 INFO [stderr]    Compiling off_blockway v0.0.8
Nov 17 12:55:51.649 INFO [stderr]    Compiling mining_client v0.1.0 (/source)
Nov 17 12:55:52.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:52.619 INFO [stderr]    --> src/main.rs:104:9
Nov 17 12:55:52.619 INFO [stderr]     |
Nov 17 12:55:52.619 INFO [stderr] 104 |         file.read_to_string( &mut buffer );
Nov 17 12:55:52.619 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:52.619 INFO [stderr]     |
Nov 17 12:55:52.619 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 12:55:52.619 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:52.619 INFO [stderr] 
Nov 17 12:55:53.883 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.41s
Nov 17 12:55:53.891 INFO [stderr] su: No module specific data is present
Nov 17 12:55:54.414 INFO running `"docker" "inspect" "7bc81302a899374cabcbb47ed8c1ad957a97fdc21f3241d06eac47a27d8e5bbf"`
Nov 17 12:55:54.850 INFO running `"docker" "rm" "-f" "7bc81302a899374cabcbb47ed8c1ad957a97fdc21f3241d06eac47a27d8e5bbf"`
Nov 17 12:55:55.132 INFO [stdout] 7bc81302a899374cabcbb47ed8c1ad957a97fdc21f3241d06eac47a27d8e5bbf
Nov 17 12:55:55.137 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 12:55:55.776 INFO [stdout] 3f61845262149dfb4b94bbefaac5cf34db4f4cc72884beb6d636227daded15e6
Nov 17 12:55:55.777 INFO running `"docker" "start" "-a" "3f61845262149dfb4b94bbefaac5cf34db4f4cc72884beb6d636227daded15e6"`
Nov 17 12:55:57.079 INFO [stderr] usermod: no changes
Nov 17 12:55:57.213 INFO [stderr]    Compiling mining_client v0.1.0 (/source)
Nov 17 12:55:58.407 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 12:55:58.407 INFO [stderr]    --> src/main.rs:104:9
Nov 17 12:55:58.407 INFO [stderr]     |
Nov 17 12:55:58.407 INFO [stderr] 104 |         file.read_to_string( &mut buffer );
Nov 17 12:55:58.407 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:55:58.407 INFO [stderr]     |
Nov 17 12:55:58.407 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 12:55:58.407 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 12:55:58.407 INFO [stderr] 
Nov 17 12:55:58.749 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Nov 17 12:55:58.763 INFO [stderr] su: No module specific data is present
Nov 17 12:55:59.927 INFO running `"docker" "inspect" "3f61845262149dfb4b94bbefaac5cf34db4f4cc72884beb6d636227daded15e6"`
Nov 17 12:56:00.253 INFO running `"docker" "rm" "-f" "3f61845262149dfb4b94bbefaac5cf34db4f4cc72884beb6d636227daded15e6"`
Nov 17 12:56:00.477 INFO [stdout] 3f61845262149dfb4b94bbefaac5cf34db4f4cc72884beb6d636227daded15e6
Nov 17 12:56:00.480 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 12:56:00.995 INFO [stdout] 5ae2cc42c0747ec0c0e3a0901fc87224acf9882088af095fa135e6ed1163edfc
Nov 17 12:56:01.003 INFO running `"docker" "start" "-a" "5ae2cc42c0747ec0c0e3a0901fc87224acf9882088af095fa135e6ed1163edfc"`
Nov 17 12:56:02.306 INFO [stderr] usermod: no changes
Nov 17 12:56:02.378 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 17 12:56:02.381 INFO [stderr]      Running /target/debug/deps/mining_client-9d5e1096efb92bd2
Nov 17 12:56:02.391 INFO [stdout] 
Nov 17 12:56:02.391 INFO [stdout] running 0 tests
Nov 17 12:56:02.391 INFO [stdout] 
Nov 17 12:56:02.391 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:56:02.391 INFO [stdout] 
Nov 17 12:56:02.391 INFO [stderr] su: No module specific data is present
Nov 17 12:56:03.355 INFO running `"docker" "inspect" "5ae2cc42c0747ec0c0e3a0901fc87224acf9882088af095fa135e6ed1163edfc"`
Nov 17 12:56:03.747 INFO running `"docker" "rm" "-f" "5ae2cc42c0747ec0c0e3a0901fc87224acf9882088af095fa135e6ed1163edfc"`
Nov 17 12:56:04.151 INFO [stdout] 5ae2cc42c0747ec0c0e3a0901fc87224acf9882088af095fa135e6ed1163edfc