Dec 14 02:30:50.736 INFO testing arjanvaneersel/rust-blockchain against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 02:30:50.736 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 14 02:30:51.231 INFO [stdout] e3ba1eb44803296654f146cad74d0644c7983f71fa9db73f2e0a45f9dfcb96fa
Dec 14 02:30:51.233 INFO running `"docker" "start" "-a" "e3ba1eb44803296654f146cad74d0644c7983f71fa9db73f2e0a45f9dfcb96fa"`
Dec 14 02:30:52.677 INFO [stderr] usermod: no changes
Dec 14 02:30:52.701 INFO [stderr]    Compiling bfs v0.1.0 (/source)
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:17:5
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 17 |     io::stdout().flush();
Dec 14 02:30:54.076 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:18:5
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 14 02:30:54.076 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:21:5
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 21 |     io::stdout().flush();
Dec 14 02:30:54.076 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:22:5
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 14 02:30:54.076 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:36:9
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 36 |         io::stdout().flush();
Dec 14 02:30:54.076 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:38:9
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 14 02:30:54.076 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:52:17
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 52 |                 io::stdout().flush();
Dec 14 02:30:54.076 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:53:17
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 53 |                 io::stdin().read_line(&mut sender);
Dec 14 02:30:54.076 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:56:17
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr] 56 |                 io::stdout().flush();
Dec 14 02:30:54.076 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.076 INFO [stderr]    |
Dec 14 02:30:54.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.076 INFO [stderr] 
Dec 14 02:30:54.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.076 INFO [stderr]   --> src/main.rs:57:17
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr] 57 |                 io::stdin().read_line(&mut receiver);
Dec 14 02:30:54.077 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.077 INFO [stderr] 
Dec 14 02:30:54.077 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.077 INFO [stderr]   --> src/main.rs:60:17
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr] 60 |                 io::stdout().flush();
Dec 14 02:30:54.077 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.077 INFO [stderr] 
Dec 14 02:30:54.077 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.077 INFO [stderr]   --> src/main.rs:61:17
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr] 61 |                 io::stdin().read_line(&mut amount);
Dec 14 02:30:54.077 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.077 INFO [stderr] 
Dec 14 02:30:54.077 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.077 INFO [stderr]   --> src/main.rs:80:17
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr] 80 |                 io::stdout().flush();
Dec 14 02:30:54.077 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.077 INFO [stderr] 
Dec 14 02:30:54.077 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.077 INFO [stderr]   --> src/main.rs:81:17
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr] 81 |                 io::stdin().read_line(&mut new_diff);
Dec 14 02:30:54.077 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.077 INFO [stderr] 
Dec 14 02:30:54.077 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.077 INFO [stderr]   --> src/main.rs:93:17
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr] 93 |                 io::stdout().flush();
Dec 14 02:30:54.077 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.077 INFO [stderr] 
Dec 14 02:30:54.077 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:54.077 INFO [stderr]   --> src/main.rs:94:17
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr] 94 |                 io::stdin().read_line(&mut new_reward);
Dec 14 02:30:54.077 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:54.077 INFO [stderr]    |
Dec 14 02:30:54.077 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:54.077 INFO [stderr] 
Dec 14 02:30:55.270 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
Dec 14 02:30:55.275 INFO [stderr] su: No module specific data is present
Dec 14 02:30:56.023 INFO running `"docker" "inspect" "e3ba1eb44803296654f146cad74d0644c7983f71fa9db73f2e0a45f9dfcb96fa"`
Dec 14 02:30:56.449 INFO running `"docker" "rm" "-f" "e3ba1eb44803296654f146cad74d0644c7983f71fa9db73f2e0a45f9dfcb96fa"`
Dec 14 02:30:56.647 INFO [stdout] e3ba1eb44803296654f146cad74d0644c7983f71fa9db73f2e0a45f9dfcb96fa
Dec 14 02:30:56.655 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 14 02:30:57.135 INFO [stdout] 41245fda4472462d14777d5927de8703afbcfd89c6bee8d885821373a26e8d97
Dec 14 02:30:57.143 INFO running `"docker" "start" "-a" "41245fda4472462d14777d5927de8703afbcfd89c6bee8d885821373a26e8d97"`
Dec 14 02:30:58.140 INFO [stderr] usermod: no changes
Dec 14 02:30:58.231 INFO [stderr]    Compiling bfs v0.1.0 (/source)
Dec 14 02:30:59.465 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.465 INFO [stderr]   --> src/main.rs:17:5
Dec 14 02:30:59.465 INFO [stderr]    |
Dec 14 02:30:59.465 INFO [stderr] 17 |     io::stdout().flush();
Dec 14 02:30:59.466 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:18:5
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 18 |     io::stdin().read_line(&mut miner_addr);
Dec 14 02:30:59.466 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:21:5
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 21 |     io::stdout().flush();
Dec 14 02:30:59.466 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:22:5
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 22 |     io::stdin().read_line(&mut difficulty);
Dec 14 02:30:59.466 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:36:9
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 36 |         io::stdout().flush();
Dec 14 02:30:59.466 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:38:9
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 38 |         io::stdin().read_line(&mut choice);
Dec 14 02:30:59.466 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:52:17
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 52 |                 io::stdout().flush();
Dec 14 02:30:59.466 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:53:17
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 53 |                 io::stdin().read_line(&mut sender);
Dec 14 02:30:59.466 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:56:17
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 56 |                 io::stdout().flush();
Dec 14 02:30:59.466 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:57:17
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 57 |                 io::stdin().read_line(&mut receiver);
Dec 14 02:30:59.466 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:60:17
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr] 60 |                 io::stdout().flush();
Dec 14 02:30:59.466 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.466 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.466 INFO [stderr] 
Dec 14 02:30:59.466 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.466 INFO [stderr]   --> src/main.rs:61:17
Dec 14 02:30:59.466 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr] 61 |                 io::stdin().read_line(&mut amount);
Dec 14 02:30:59.467 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.467 INFO [stderr] 
Dec 14 02:30:59.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.467 INFO [stderr]   --> src/main.rs:80:17
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr] 80 |                 io::stdout().flush();
Dec 14 02:30:59.467 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.467 INFO [stderr] 
Dec 14 02:30:59.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.467 INFO [stderr]   --> src/main.rs:81:17
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr] 81 |                 io::stdin().read_line(&mut new_diff);
Dec 14 02:30:59.467 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.467 INFO [stderr] 
Dec 14 02:30:59.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.467 INFO [stderr]   --> src/main.rs:93:17
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr] 93 |                 io::stdout().flush();
Dec 14 02:30:59.467 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.467 INFO [stderr] 
Dec 14 02:30:59.467 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 02:30:59.467 INFO [stderr]   --> src/main.rs:94:17
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr] 94 |                 io::stdin().read_line(&mut new_reward);
Dec 14 02:30:59.467 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 02:30:59.467 INFO [stderr]    |
Dec 14 02:30:59.467 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 02:30:59.467 INFO [stderr] 
Dec 14 02:30:59.823 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
Dec 14 02:30:59.829 INFO [stderr] su: No module specific data is present
Dec 14 02:31:00.530 INFO running `"docker" "inspect" "41245fda4472462d14777d5927de8703afbcfd89c6bee8d885821373a26e8d97"`
Dec 14 02:31:00.879 INFO running `"docker" "rm" "-f" "41245fda4472462d14777d5927de8703afbcfd89c6bee8d885821373a26e8d97"`
Dec 14 02:31:01.263 INFO [stdout] 41245fda4472462d14777d5927de8703afbcfd89c6bee8d885821373a26e8d97
Dec 14 02:31:01.271 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 14 02:31:01.763 INFO [stdout] cf857c43724dcb5645a245f172becdfdb7033a27e5aa5d78030ccaede17b66c8
Dec 14 02:31:01.766 INFO running `"docker" "start" "-a" "cf857c43724dcb5645a245f172becdfdb7033a27e5aa5d78030ccaede17b66c8"`
Dec 14 02:31:03.935 INFO [stderr] usermod: no changes
Dec 14 02:31:04.067 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 14 02:31:04.067 INFO [stderr]      Running /target/debug/deps/bfs-78a11cb11ebba784
Dec 14 02:31:04.071 INFO [stdout] 
Dec 14 02:31:04.071 INFO [stdout] running 0 tests
Dec 14 02:31:04.071 INFO [stdout] 
Dec 14 02:31:04.071 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 02:31:04.071 INFO [stdout] 
Dec 14 02:31:04.075 INFO [stderr] su: No module specific data is present
Dec 14 02:31:05.428 INFO running `"docker" "inspect" "cf857c43724dcb5645a245f172becdfdb7033a27e5aa5d78030ccaede17b66c8"`
Dec 14 02:31:05.785 INFO running `"docker" "rm" "-f" "cf857c43724dcb5645a245f172becdfdb7033a27e5aa5d78030ccaede17b66c8"`
Dec 14 02:31:06.111 INFO [stdout] cf857c43724dcb5645a245f172becdfdb7033a27e5aa5d78030ccaede17b66c8