Dec 13 16:25:43.785 INFO testing iveltondequeiroz/tiny-chain against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 16:25:43.785 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:25:44.324 INFO [stdout] 37b2e212a2178c8775ccefa14adaafe2034dd670bfb3070ffcb5ff7ffdc2c7fd
Dec 13 16:25:44.328 INFO running `"docker" "start" "-a" "37b2e212a2178c8775ccefa14adaafe2034dd670bfb3070ffcb5ff7ffdc2c7fd"`
Dec 13 16:25:45.317 INFO [stderr] usermod: no changes
Dec 13 16:25:45.531 INFO [stderr]    Compiling tinychain v0.1.0 (/source)
Dec 13 16:25:46.814 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.814 INFO [stderr]   --> src/main.rs:16:5
Dec 13 16:25:46.814 INFO [stderr]    |
Dec 13 16:25:46.814 INFO [stderr] 16 |     io::stdout().flush();
Dec 13 16:25:46.814 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.814 INFO [stderr]    |
Dec 13 16:25:46.814 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:25:46.814 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.815 INFO [stderr] 
Dec 13 16:25:46.815 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.815 INFO [stderr]   --> src/main.rs:17:5
Dec 13 16:25:46.815 INFO [stderr]    |
Dec 13 16:25:46.816 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 13 16:25:46.816 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.816 INFO [stderr]    |
Dec 13 16:25:46.816 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.816 INFO [stderr] 
Dec 13 16:25:46.817 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.817 INFO [stderr]   --> src/main.rs:19:5
Dec 13 16:25:46.817 INFO [stderr]    |
Dec 13 16:25:46.817 INFO [stderr] 19 |     io::stdout().flush();
Dec 13 16:25:46.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.818 INFO [stderr]    |
Dec 13 16:25:46.818 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.818 INFO [stderr] 
Dec 13 16:25:46.818 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.818 INFO [stderr]   --> src/main.rs:20:5
Dec 13 16:25:46.819 INFO [stderr]    |
Dec 13 16:25:46.819 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 13 16:25:46.819 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.819 INFO [stderr]    |
Dec 13 16:25:46.820 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.820 INFO [stderr] 
Dec 13 16:25:46.820 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.820 INFO [stderr]   --> src/main.rs:33:9
Dec 13 16:25:46.820 INFO [stderr]    |
Dec 13 16:25:46.821 INFO [stderr] 33 |         io::stdout().flush();
Dec 13 16:25:46.821 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.821 INFO [stderr]    |
Dec 13 16:25:46.821 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.821 INFO [stderr] 
Dec 13 16:25:46.822 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.822 INFO [stderr]   --> src/main.rs:35:9
Dec 13 16:25:46.822 INFO [stderr]    |
Dec 13 16:25:46.822 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 13 16:25:46.822 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.823 INFO [stderr]    |
Dec 13 16:25:46.823 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.823 INFO [stderr] 
Dec 13 16:25:46.823 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.824 INFO [stderr]   --> src/main.rs:50:17
Dec 13 16:25:46.824 INFO [stderr]    |
Dec 13 16:25:46.824 INFO [stderr] 50 |                 io::stdout().flush();
Dec 13 16:25:46.824 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.825 INFO [stderr]    |
Dec 13 16:25:46.825 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.825 INFO [stderr] 
Dec 13 16:25:46.826 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.826 INFO [stderr]   --> src/main.rs:51:17
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 13 16:25:46.826 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.826 INFO [stderr] 
Dec 13 16:25:46.826 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.826 INFO [stderr]   --> src/main.rs:53:17
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr] 53 |                 io::stdout().flush();
Dec 13 16:25:46.826 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.826 INFO [stderr] 
Dec 13 16:25:46.826 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.826 INFO [stderr]   --> src/main.rs:54:17
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 13 16:25:46.826 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.826 INFO [stderr] 
Dec 13 16:25:46.826 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.826 INFO [stderr]   --> src/main.rs:56:17
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr] 56 |                 io::stdout().flush();
Dec 13 16:25:46.826 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.826 INFO [stderr] 
Dec 13 16:25:46.826 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.826 INFO [stderr]   --> src/main.rs:57:17
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 13 16:25:46.826 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.826 INFO [stderr] 
Dec 13 16:25:46.826 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.826 INFO [stderr]   --> src/main.rs:81:17
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr] 81 |                 io::stdout().flush();
Dec 13 16:25:46.826 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.826 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.826 INFO [stderr] 
Dec 13 16:25:46.826 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.826 INFO [stderr]   --> src/main.rs:82:17
Dec 13 16:25:46.826 INFO [stderr]    |
Dec 13 16:25:46.827 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 13 16:25:46.827 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.827 INFO [stderr]    |
Dec 13 16:25:46.827 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.827 INFO [stderr] 
Dec 13 16:25:46.827 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.827 INFO [stderr]   --> src/main.rs:92:17
Dec 13 16:25:46.827 INFO [stderr]    |
Dec 13 16:25:46.827 INFO [stderr] 92 |                 io::stdout().flush();
Dec 13 16:25:46.827 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.827 INFO [stderr]    |
Dec 13 16:25:46.827 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.827 INFO [stderr] 
Dec 13 16:25:46.827 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:46.827 INFO [stderr]   --> src/main.rs:93:17
Dec 13 16:25:46.827 INFO [stderr]    |
Dec 13 16:25:46.827 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 13 16:25:46.827 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:46.827 INFO [stderr]    |
Dec 13 16:25:46.827 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:46.827 INFO [stderr] 
Dec 13 16:25:48.258 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
Dec 13 16:25:48.269 INFO [stderr] su: No module specific data is present
Dec 13 16:25:49.212 INFO running `"docker" "inspect" "37b2e212a2178c8775ccefa14adaafe2034dd670bfb3070ffcb5ff7ffdc2c7fd"`
Dec 13 16:25:49.455 INFO running `"docker" "rm" "-f" "37b2e212a2178c8775ccefa14adaafe2034dd670bfb3070ffcb5ff7ffdc2c7fd"`
Dec 13 16:25:49.787 INFO [stdout] 37b2e212a2178c8775ccefa14adaafe2034dd670bfb3070ffcb5ff7ffdc2c7fd
Dec 13 16:25:49.793 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:25:50.283 INFO [stdout] d14102dc0873ed74986f121c6faa2b73cbb173cafe11f930a2244e9c9ec6e9cb
Dec 13 16:25:50.289 INFO running `"docker" "start" "-a" "d14102dc0873ed74986f121c6faa2b73cbb173cafe11f930a2244e9c9ec6e9cb"`
Dec 13 16:25:51.627 INFO [stderr] usermod: no changes
Dec 13 16:25:51.727 INFO [stderr]    Compiling tinychain v0.1.0 (/source)
Dec 13 16:25:52.830 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:16:5
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 16 |     io::stdout().flush();
Dec 13 16:25:52.831 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:17:5
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 17 |     io::stdin().read_line(&mut miner_addr);
Dec 13 16:25:52.831 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:19:5
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 19 |     io::stdout().flush();
Dec 13 16:25:52.831 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:20:5
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 20 |     io::stdin().read_line(&mut difficulty);
Dec 13 16:25:52.831 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:33:9
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 33 |         io::stdout().flush();
Dec 13 16:25:52.831 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:35:9
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 35 |         io::stdin().read_line(&mut choice);
Dec 13 16:25:52.831 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:50:17
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 50 |                 io::stdout().flush();
Dec 13 16:25:52.831 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:51:17
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 51 |                 io::stdin().read_line(&mut sender);
Dec 13 16:25:52.831 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:53:17
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 53 |                 io::stdout().flush();
Dec 13 16:25:52.831 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:54:17
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 54 |                 io::stdin().read_line(&mut receiver);
Dec 13 16:25:52.831 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.831 INFO [stderr]   --> src/main.rs:56:17
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr] 56 |                 io::stdout().flush();
Dec 13 16:25:52.831 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.831 INFO [stderr]    |
Dec 13 16:25:52.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.831 INFO [stderr] 
Dec 13 16:25:52.832 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.832 INFO [stderr]   --> src/main.rs:57:17
Dec 13 16:25:52.832 INFO [stderr]    |
Dec 13 16:25:52.832 INFO [stderr] 57 |                 io::stdin().read_line(&mut amount);
Dec 13 16:25:52.832 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.832 INFO [stderr]    |
Dec 13 16:25:52.832 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.832 INFO [stderr] 
Dec 13 16:25:52.832 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.832 INFO [stderr]   --> src/main.rs:81:17
Dec 13 16:25:52.832 INFO [stderr]    |
Dec 13 16:25:52.832 INFO [stderr] 81 |                 io::stdout().flush();
Dec 13 16:25:52.832 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.832 INFO [stderr]    |
Dec 13 16:25:52.832 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.832 INFO [stderr] 
Dec 13 16:25:52.833 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.833 INFO [stderr]   --> src/main.rs:82:17
Dec 13 16:25:52.833 INFO [stderr]    |
Dec 13 16:25:52.833 INFO [stderr] 82 |                 io::stdin().read_line(&mut new_diff);
Dec 13 16:25:52.833 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.833 INFO [stderr]    |
Dec 13 16:25:52.833 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.833 INFO [stderr] 
Dec 13 16:25:52.833 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.833 INFO [stderr]   --> src/main.rs:92:17
Dec 13 16:25:52.833 INFO [stderr]    |
Dec 13 16:25:52.833 INFO [stderr] 92 |                 io::stdout().flush();
Dec 13 16:25:52.833 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.833 INFO [stderr]    |
Dec 13 16:25:52.833 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.833 INFO [stderr] 
Dec 13 16:25:52.833 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 16:25:52.833 INFO [stderr]   --> src/main.rs:93:17
Dec 13 16:25:52.833 INFO [stderr]    |
Dec 13 16:25:52.833 INFO [stderr] 93 |                 io::stdin().read_line(&mut new_reward);
Dec 13 16:25:52.833 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 16:25:52.833 INFO [stderr]    |
Dec 13 16:25:52.833 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 16:25:52.833 INFO [stderr] 
Dec 13 16:25:53.227 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
Dec 13 16:25:53.231 INFO [stderr] su: No module specific data is present
Dec 13 16:25:53.921 INFO running `"docker" "inspect" "d14102dc0873ed74986f121c6faa2b73cbb173cafe11f930a2244e9c9ec6e9cb"`
Dec 13 16:25:54.267 INFO running `"docker" "rm" "-f" "d14102dc0873ed74986f121c6faa2b73cbb173cafe11f930a2244e9c9ec6e9cb"`
Dec 13 16:25:54.542 INFO [stdout] d14102dc0873ed74986f121c6faa2b73cbb173cafe11f930a2244e9c9ec6e9cb
Dec 13 16:25:54.549 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 16:25:55.055 INFO [stdout] 637cfbe2b270a9c91a23da98db1af9cc6f9795f5ae0ac361bc022463406a9d4d
Dec 13 16:25:55.057 INFO running `"docker" "start" "-a" "637cfbe2b270a9c91a23da98db1af9cc6f9795f5ae0ac361bc022463406a9d4d"`
Dec 13 16:25:56.307 INFO [stderr] usermod: no changes
Dec 13 16:25:56.439 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Dec 13 16:25:56.451 INFO [stderr]      Running /target/debug/deps/tinychain-ca18278b638585c8
Dec 13 16:25:56.451 INFO [stdout] 
Dec 13 16:25:56.451 INFO [stdout] running 0 tests
Dec 13 16:25:56.451 INFO [stdout] 
Dec 13 16:25:56.451 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 16:25:56.451 INFO [stdout] 
Dec 13 16:25:56.455 INFO [stderr] su: No module specific data is present
Dec 13 16:25:57.517 INFO running `"docker" "inspect" "637cfbe2b270a9c91a23da98db1af9cc6f9795f5ae0ac361bc022463406a9d4d"`
Dec 13 16:25:57.805 INFO running `"docker" "rm" "-f" "637cfbe2b270a9c91a23da98db1af9cc6f9795f5ae0ac361bc022463406a9d4d"`
Dec 13 16:25:58.203 INFO [stdout] 637cfbe2b270a9c91a23da98db1af9cc6f9795f5ae0ac361bc022463406a9d4d