Dec 05 20:41:22.709 INFO testing iveltondequeiroz/tiny-chain against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 20:41:22.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 20:41:23.113 INFO [stdout] 949d83db7fd665a923c2ed22e8afadfd7d832d5d1e1c9a2b311c0e897ca6799a
Dec 05 20:41:23.115 INFO running `"docker" "start" "-a" "949d83db7fd665a923c2ed22e8afadfd7d832d5d1e1c9a2b311c0e897ca6799a"`
Dec 05 20:41:24.791 INFO [stderr] usermod: no changes
Dec 05 20:41:25.002 INFO [stderr]    Compiling byteorder v1.2.7
Dec 05 20:41:25.496 INFO [stderr]    Compiling block-buffer v0.7.0
Dec 05 20:41:25.880 INFO [stderr]    Compiling sha2 v0.8.0
Dec 05 20:41:27.164 INFO [stderr]    Compiling tinychain v0.1.0 (/source)
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:16:5
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 16 |     io::stdout().flush();
Dec 05 20:41:28.233 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:17:5
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 05 20:41:28.233 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:19:5
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 19 |     io::stdout().flush();
Dec 05 20:41:28.233 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:20:5
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 05 20:41:28.233 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:33:9
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 33 |         io::stdout().flush();
Dec 05 20:41:28.233 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:35:9
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 05 20:41:28.233 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:50:17
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 50 |                 io::stdout().flush();
Dec 05 20:41:28.233 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:51:17
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 05 20:41:28.233 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:53:17
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr] 53 |                 io::stdout().flush();
Dec 05 20:41:28.233 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.233 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.233 INFO [stderr] 
Dec 05 20:41:28.233 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.233 INFO [stderr]   --> src/main.rs:54:17
Dec 05 20:41:28.233 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 05 20:41:28.234 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.234 INFO [stderr] 
Dec 05 20:41:28.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.234 INFO [stderr]   --> src/main.rs:56:17
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr] 56 |                 io::stdout().flush();
Dec 05 20:41:28.234 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.234 INFO [stderr] 
Dec 05 20:41:28.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.234 INFO [stderr]   --> src/main.rs:57:17
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 05 20:41:28.234 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.234 INFO [stderr] 
Dec 05 20:41:28.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.234 INFO [stderr]   --> src/main.rs:81:17
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr] 81 |                 io::stdout().flush();
Dec 05 20:41:28.234 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.234 INFO [stderr] 
Dec 05 20:41:28.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.234 INFO [stderr]   --> src/main.rs:82:17
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 05 20:41:28.234 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.234 INFO [stderr] 
Dec 05 20:41:28.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.234 INFO [stderr]   --> src/main.rs:92:17
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr] 92 |                 io::stdout().flush();
Dec 05 20:41:28.234 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.234 INFO [stderr] 
Dec 05 20:41:28.234 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:28.234 INFO [stderr]   --> src/main.rs:93:17
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 05 20:41:28.234 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:28.234 INFO [stderr]    |
Dec 05 20:41:28.234 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:28.234 INFO [stderr] 
Dec 05 20:41:29.613 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
Dec 05 20:41:29.625 INFO [stderr] su: No module specific data is present
Dec 05 20:41:30.699 INFO running `"docker" "inspect" "949d83db7fd665a923c2ed22e8afadfd7d832d5d1e1c9a2b311c0e897ca6799a"`
Dec 05 20:41:30.962 INFO running `"docker" "rm" "-f" "949d83db7fd665a923c2ed22e8afadfd7d832d5d1e1c9a2b311c0e897ca6799a"`
Dec 05 20:41:31.228 INFO [stdout] 949d83db7fd665a923c2ed22e8afadfd7d832d5d1e1c9a2b311c0e897ca6799a
Dec 05 20:41:31.230 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 20:41:31.687 INFO [stdout] 9c88a9d782ce20780deecd2be3eca9a2a6d15bdef4bbddb757b2222be006c33d
Dec 05 20:41:31.692 INFO running `"docker" "start" "-a" "9c88a9d782ce20780deecd2be3eca9a2a6d15bdef4bbddb757b2222be006c33d"`
Dec 05 20:41:33.119 INFO [stderr] usermod: no changes
Dec 05 20:41:33.220 INFO [stderr]    Compiling tinychain v0.1.0 (/source)
Dec 05 20:41:34.212 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.212 INFO [stderr]   --> src/main.rs:16:5
Dec 05 20:41:34.212 INFO [stderr]    |
Dec 05 20:41:34.212 INFO [stderr] 16 |     io::stdout().flush();
Dec 05 20:41:34.212 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.212 INFO [stderr]    |
Dec 05 20:41:34.212 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 20:41:34.212 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.212 INFO [stderr] 
Dec 05 20:41:34.212 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.212 INFO [stderr]   --> src/main.rs:17:5
Dec 05 20:41:34.212 INFO [stderr]    |
Dec 05 20:41:34.212 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 05 20:41:34.212 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.212 INFO [stderr]    |
Dec 05 20:41:34.212 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.212 INFO [stderr] 
Dec 05 20:41:34.212 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.212 INFO [stderr]   --> src/main.rs:19:5
Dec 05 20:41:34.212 INFO [stderr]    |
Dec 05 20:41:34.212 INFO [stderr] 19 |     io::stdout().flush();
Dec 05 20:41:34.212 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.212 INFO [stderr]    |
Dec 05 20:41:34.212 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.212 INFO [stderr] 
Dec 05 20:41:34.212 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:20:5
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 05 20:41:34.213 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:33:9
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 33 |         io::stdout().flush();
Dec 05 20:41:34.213 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:35:9
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 05 20:41:34.213 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:50:17
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 50 |                 io::stdout().flush();
Dec 05 20:41:34.213 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:51:17
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 05 20:41:34.213 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:53:17
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 53 |                 io::stdout().flush();
Dec 05 20:41:34.213 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:54:17
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 05 20:41:34.213 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:56:17
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 56 |                 io::stdout().flush();
Dec 05 20:41:34.213 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:57:17
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 05 20:41:34.213 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:81:17
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 81 |                 io::stdout().flush();
Dec 05 20:41:34.213 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.213 INFO [stderr] 
Dec 05 20:41:34.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.213 INFO [stderr]   --> src/main.rs:82:17
Dec 05 20:41:34.213 INFO [stderr]    |
Dec 05 20:41:34.213 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 05 20:41:34.214 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.214 INFO [stderr]    |
Dec 05 20:41:34.214 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.214 INFO [stderr] 
Dec 05 20:41:34.214 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.214 INFO [stderr]   --> src/main.rs:92:17
Dec 05 20:41:34.214 INFO [stderr]    |
Dec 05 20:41:34.214 INFO [stderr] 92 |                 io::stdout().flush();
Dec 05 20:41:34.214 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.214 INFO [stderr]    |
Dec 05 20:41:34.214 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.214 INFO [stderr] 
Dec 05 20:41:34.214 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 20:41:34.214 INFO [stderr]   --> src/main.rs:93:17
Dec 05 20:41:34.214 INFO [stderr]    |
Dec 05 20:41:34.214 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 05 20:41:34.214 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 20:41:34.214 INFO [stderr]    |
Dec 05 20:41:34.214 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 20:41:34.214 INFO [stderr] 
Dec 05 20:41:34.496 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 05 20:41:34.514 INFO [stderr] su: No module specific data is present
Dec 05 20:41:35.532 INFO running `"docker" "inspect" "9c88a9d782ce20780deecd2be3eca9a2a6d15bdef4bbddb757b2222be006c33d"`
Dec 05 20:41:35.922 INFO running `"docker" "rm" "-f" "9c88a9d782ce20780deecd2be3eca9a2a6d15bdef4bbddb757b2222be006c33d"`
Dec 05 20:41:36.357 INFO [stdout] 9c88a9d782ce20780deecd2be3eca9a2a6d15bdef4bbddb757b2222be006c33d
Dec 05 20:41:36.366 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 20:41:36.888 INFO [stdout] 0f11c7b6ed563f8654c4abbaac5b587382d71b2ba71e5108e01ef8b235d8200a
Dec 05 20:41:36.894 INFO running `"docker" "start" "-a" "0f11c7b6ed563f8654c4abbaac5b587382d71b2ba71e5108e01ef8b235d8200a"`
Dec 05 20:41:38.772 INFO [stderr] usermod: no changes
Dec 05 20:41:38.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
Dec 05 20:41:38.923 INFO [stderr]      Running /target/debug/deps/tinychain-55721863212271cc
Dec 05 20:41:38.924 INFO [stdout] 
Dec 05 20:41:38.924 INFO [stdout] running 0 tests
Dec 05 20:41:38.924 INFO [stdout] 
Dec 05 20:41:38.924 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 20:41:38.924 INFO [stdout] 
Dec 05 20:41:38.932 INFO [stderr] su: No module specific data is present
Dec 05 20:41:39.856 INFO running `"docker" "inspect" "0f11c7b6ed563f8654c4abbaac5b587382d71b2ba71e5108e01ef8b235d8200a"`
Dec 05 20:41:40.137 INFO running `"docker" "rm" "-f" "0f11c7b6ed563f8654c4abbaac5b587382d71b2ba71e5108e01ef8b235d8200a"`
Dec 05 20:41:40.540 INFO [stdout] 0f11c7b6ed563f8654c4abbaac5b587382d71b2ba71e5108e01ef8b235d8200a