Dec 13 16:25:42.400 INFO testing iveltondequeiroz/tiny-chain against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 16:25:42.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 16:25:42.987 INFO [stdout] f9258df4b3c8d558aca5aa5d69c91c4f248a8cbddc8f0fe75dc7b21f8eaf4b5c
Dec 13 16:25:42.989 INFO running `"docker" "start" "-a" "f9258df4b3c8d558aca5aa5d69c91c4f248a8cbddc8f0fe75dc7b21f8eaf4b5c"`
Dec 13 16:25:44.258 INFO [stderr] usermod: no changes
Dec 13 16:25:44.411 INFO [stderr]    Compiling tinychain v0.1.0 (/source)
Dec 13 16:25:45.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.491 INFO [stderr]   --> src/main.rs:16:5
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr] 16 |     io::stdout().flush();
Dec 13 16:25:45.491 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:25:45.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.491 INFO [stderr] 
Dec 13 16:25:45.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.491 INFO [stderr]   --> src/main.rs:17:5
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 13 16:25:45.491 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.491 INFO [stderr] 
Dec 13 16:25:45.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.491 INFO [stderr]   --> src/main.rs:19:5
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr] 19 |     io::stdout().flush();
Dec 13 16:25:45.491 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.491 INFO [stderr] 
Dec 13 16:25:45.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.491 INFO [stderr]   --> src/main.rs:20:5
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 13 16:25:45.491 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.491 INFO [stderr] 
Dec 13 16:25:45.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.491 INFO [stderr]   --> src/main.rs:33:9
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr] 33 |         io::stdout().flush();
Dec 13 16:25:45.491 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.491 INFO [stderr] 
Dec 13 16:25:45.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.491 INFO [stderr]   --> src/main.rs:35:9
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.491 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 13 16:25:45.491 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.491 INFO [stderr]    |
Dec 13 16:25:45.492 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.492 INFO [stderr] 
Dec 13 16:25:45.492 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.492 INFO [stderr]   --> src/main.rs:50:17
Dec 13 16:25:45.492 INFO [stderr]    |
Dec 13 16:25:45.492 INFO [stderr] 50 |                 io::stdout().flush();
Dec 13 16:25:45.492 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.492 INFO [stderr]    |
Dec 13 16:25:45.492 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.492 INFO [stderr] 
Dec 13 16:25:45.492 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.492 INFO [stderr]   --> src/main.rs:51:17
Dec 13 16:25:45.492 INFO [stderr]    |
Dec 13 16:25:45.492 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 13 16:25:45.492 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.492 INFO [stderr]    |
Dec 13 16:25:45.492 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.492 INFO [stderr] 
Dec 13 16:25:45.492 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.492 INFO [stderr]   --> src/main.rs:53:17
Dec 13 16:25:45.492 INFO [stderr]    |
Dec 13 16:25:45.492 INFO [stderr] 53 |                 io::stdout().flush();
Dec 13 16:25:45.492 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.492 INFO [stderr]    |
Dec 13 16:25:45.492 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.492 INFO [stderr] 
Dec 13 16:25:45.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.499 INFO [stderr]   --> src/main.rs:54:17
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 13 16:25:45.499 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.499 INFO [stderr] 
Dec 13 16:25:45.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.499 INFO [stderr]   --> src/main.rs:56:17
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr] 56 |                 io::stdout().flush();
Dec 13 16:25:45.499 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.499 INFO [stderr] 
Dec 13 16:25:45.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.499 INFO [stderr]   --> src/main.rs:57:17
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 13 16:25:45.499 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.499 INFO [stderr] 
Dec 13 16:25:45.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.499 INFO [stderr]   --> src/main.rs:81:17
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr] 81 |                 io::stdout().flush();
Dec 13 16:25:45.499 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.499 INFO [stderr] 
Dec 13 16:25:45.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.499 INFO [stderr]   --> src/main.rs:82:17
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 13 16:25:45.499 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.499 INFO [stderr] 
Dec 13 16:25:45.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.499 INFO [stderr]   --> src/main.rs:92:17
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr] 92 |                 io::stdout().flush();
Dec 13 16:25:45.499 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.499 INFO [stderr] 
Dec 13 16:25:45.499 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:45.499 INFO [stderr]   --> src/main.rs:93:17
Dec 13 16:25:45.499 INFO [stderr]    |
Dec 13 16:25:45.499 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 13 16:25:45.500 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:45.500 INFO [stderr]    |
Dec 13 16:25:45.500 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:45.500 INFO [stderr] 
Dec 13 16:25:47.001 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.71s
Dec 13 16:25:47.006 INFO [stderr] su: No module specific data is present
Dec 13 16:25:48.251 INFO running `"docker" "inspect" "f9258df4b3c8d558aca5aa5d69c91c4f248a8cbddc8f0fe75dc7b21f8eaf4b5c"`
Dec 13 16:25:48.641 INFO running `"docker" "rm" "-f" "f9258df4b3c8d558aca5aa5d69c91c4f248a8cbddc8f0fe75dc7b21f8eaf4b5c"`
Dec 13 16:25:48.939 INFO [stdout] f9258df4b3c8d558aca5aa5d69c91c4f248a8cbddc8f0fe75dc7b21f8eaf4b5c
Dec 13 16:25:48.945 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 16:25:49.424 INFO [stdout] c15119c39a601204f7e9ea2e42fa6886dfbd16addd71b7fd4a641c6fceb15a5c
Dec 13 16:25:49.430 INFO running `"docker" "start" "-a" "c15119c39a601204f7e9ea2e42fa6886dfbd16addd71b7fd4a641c6fceb15a5c"`
Dec 13 16:25:50.615 INFO [stderr] usermod: no changes
Dec 13 16:25:50.755 INFO [stderr]    Compiling tinychain v0.1.0 (/source)
Dec 13 16:25:51.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.731 INFO [stderr]   --> src/main.rs:16:5
Dec 13 16:25:51.731 INFO [stderr]    |
Dec 13 16:25:51.731 INFO [stderr] 16 |     io::stdout().flush();
Dec 13 16:25:51.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.731 INFO [stderr]    |
Dec 13 16:25:51.731 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:25:51.731 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.731 INFO [stderr] 
Dec 13 16:25:51.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.731 INFO [stderr]   --> src/main.rs:17:5
Dec 13 16:25:51.731 INFO [stderr]    |
Dec 13 16:25:51.731 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 13 16:25:51.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.731 INFO [stderr]    |
Dec 13 16:25:51.731 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.731 INFO [stderr] 
Dec 13 16:25:51.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.731 INFO [stderr]   --> src/main.rs:19:5
Dec 13 16:25:51.731 INFO [stderr]    |
Dec 13 16:25:51.731 INFO [stderr] 19 |     io::stdout().flush();
Dec 13 16:25:51.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.731 INFO [stderr]    |
Dec 13 16:25:51.731 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.731 INFO [stderr] 
Dec 13 16:25:51.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.731 INFO [stderr]   --> src/main.rs:20:5
Dec 13 16:25:51.731 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 13 16:25:51.732 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:33:9
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 33 |         io::stdout().flush();
Dec 13 16:25:51.732 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:35:9
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 13 16:25:51.732 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:50:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 50 |                 io::stdout().flush();
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:51:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:53:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 53 |                 io::stdout().flush();
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:54:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:56:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 56 |                 io::stdout().flush();
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:57:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:81:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 81 |                 io::stdout().flush();
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:82:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.732 INFO [stderr] 
Dec 13 16:25:51.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.732 INFO [stderr]   --> src/main.rs:92:17
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.732 INFO [stderr] 92 |                 io::stdout().flush();
Dec 13 16:25:51.732 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.732 INFO [stderr]    |
Dec 13 16:25:51.733 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.733 INFO [stderr] 
Dec 13 16:25:51.733 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:51.733 INFO [stderr]   --> src/main.rs:93:17
Dec 13 16:25:51.733 INFO [stderr]    |
Dec 13 16:25:51.733 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 13 16:25:51.733 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:51.733 INFO [stderr]    |
Dec 13 16:25:51.733 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:51.733 INFO [stderr] 
Dec 13 16:25:52.121 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Dec 13 16:25:52.127 INFO [stderr] su: No module specific data is present
Dec 13 16:25:53.030 INFO running `"docker" "inspect" "c15119c39a601204f7e9ea2e42fa6886dfbd16addd71b7fd4a641c6fceb15a5c"`
Dec 13 16:25:53.441 INFO running `"docker" "rm" "-f" "c15119c39a601204f7e9ea2e42fa6886dfbd16addd71b7fd4a641c6fceb15a5c"`
Dec 13 16:25:53.770 INFO [stdout] c15119c39a601204f7e9ea2e42fa6886dfbd16addd71b7fd4a641c6fceb15a5c
Dec 13 16:25:53.773 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 16:25:54.155 INFO [stdout] 134dafd669dc5215fc23c4bbab0420d5fa9fb780a69ba86f391a8049a81ce76d
Dec 13 16:25:54.163 INFO running `"docker" "start" "-a" "134dafd669dc5215fc23c4bbab0420d5fa9fb780a69ba86f391a8049a81ce76d"`
Dec 13 16:25:55.363 INFO [stderr] usermod: no changes
Dec 13 16:25:55.479 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 13 16:25:55.492 INFO [stderr]      Running /target/debug/deps/tinychain-9320f55fe1d43d03
Dec 13 16:25:55.492 INFO [stdout] 
Dec 13 16:25:55.492 INFO [stderr] su: No module specific data is present
Dec 13 16:25:55.492 INFO [stdout] running 0 tests
Dec 13 16:25:55.492 INFO [stdout] 
Dec 13 16:25:55.492 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:25:55.492 INFO [stdout] 
Dec 13 16:25:56.405 INFO running `"docker" "inspect" "134dafd669dc5215fc23c4bbab0420d5fa9fb780a69ba86f391a8049a81ce76d"`
Dec 13 16:25:56.723 INFO running `"docker" "rm" "-f" "134dafd669dc5215fc23c4bbab0420d5fa9fb780a69ba86f391a8049a81ce76d"`
Dec 13 16:25:57.047 INFO [stdout] 134dafd669dc5215fc23c4bbab0420d5fa9fb780a69ba86f391a8049a81ce76d