Dec 06 04:22:50.213 INFO testing carlosgj94/simple_blockchain against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 04:22:50.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 04:22:50.700 INFO [stdout] 88e7f507a08b33a48189ce49aee89d4ebadf5cd59892065a0332e731941c304a
Dec 06 04:22:50.703 INFO running `"docker" "start" "-a" "88e7f507a08b33a48189ce49aee89d4ebadf5cd59892065a0332e731941c304a"`
Dec 06 04:22:51.689 INFO [stderr] usermod: no changes
Dec 06 04:22:51.791 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 06 04:22:58.251 INFO [stderr]    Compiling simple_blockchain v0.1.0 (/source)
Dec 06 04:22:58.668 INFO [stderr] warning: value assigned to `hash` is never read
Dec 06 04:22:58.668 INFO [stderr]   --> src/main.rs:73:13
Dec 06 04:22:58.668 INFO [stderr]    |
Dec 06 04:22:58.668 INFO [stderr] 73 |     let mut hash = String::new();
Dec 06 04:22:58.668 INFO [stderr]    |             ^^^^
Dec 06 04:22:58.668 INFO [stderr]    |
Dec 06 04:22:58.668 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 04:22:58.668 INFO [stderr] 
Dec 06 04:22:58.687 INFO [stderr] warning: function is never used: `is_valid_new_block`
Dec 06 04:22:58.687 INFO [stderr]    --> src/main.rs:104:1
Dec 06 04:22:58.687 INFO [stderr]     |
Dec 06 04:22:58.687 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Dec 06 04:22:58.687 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:22:58.687 INFO [stderr]     |
Dec 06 04:22:58.687 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 04:22:58.687 INFO [stderr] 
Dec 06 04:22:59.170 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.45s
Dec 06 04:22:59.173 INFO [stderr] su: No module specific data is present
Dec 06 04:22:59.408 INFO running `"docker" "inspect" "88e7f507a08b33a48189ce49aee89d4ebadf5cd59892065a0332e731941c304a"`
Dec 06 04:22:59.483 INFO running `"docker" "rm" "-f" "88e7f507a08b33a48189ce49aee89d4ebadf5cd59892065a0332e731941c304a"`
Dec 06 04:22:59.568 INFO [stdout] 88e7f507a08b33a48189ce49aee89d4ebadf5cd59892065a0332e731941c304a
Dec 06 04:22:59.570 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 04:22:59.721 INFO [stdout] 2d715dccd00770b1542d84f065db0944adf5688b532d82c84bf58c66382a7d6b
Dec 06 04:22:59.723 INFO running `"docker" "start" "-a" "2d715dccd00770b1542d84f065db0944adf5688b532d82c84bf58c66382a7d6b"`
Dec 06 04:23:00.075 INFO [stderr] usermod: no changes
Dec 06 04:23:00.123 INFO [stderr]    Compiling simple_blockchain v0.1.0 (/source)
Dec 06 04:23:00.704 INFO [stderr] warning: value assigned to `hash` is never read
Dec 06 04:23:00.704 INFO [stderr]   --> src/main.rs:73:13
Dec 06 04:23:00.704 INFO [stderr]    |
Dec 06 04:23:00.704 INFO [stderr] 73 |     let mut hash = String::new();
Dec 06 04:23:00.704 INFO [stderr]    |             ^^^^
Dec 06 04:23:00.704 INFO [stderr]    |
Dec 06 04:23:00.704 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 04:23:00.704 INFO [stderr] 
Dec 06 04:23:00.725 INFO [stderr] warning: function is never used: `is_valid_new_block`
Dec 06 04:23:00.725 INFO [stderr]    --> src/main.rs:104:1
Dec 06 04:23:00.725 INFO [stderr]     |
Dec 06 04:23:00.725 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Dec 06 04:23:00.725 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:23:00.725 INFO [stderr]     |
Dec 06 04:23:00.725 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 04:23:00.725 INFO [stderr] 
Dec 06 04:23:00.938 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 06 04:23:00.941 INFO [stderr] su: No module specific data is present
Dec 06 04:23:01.150 INFO running `"docker" "inspect" "2d715dccd00770b1542d84f065db0944adf5688b532d82c84bf58c66382a7d6b"`
Dec 06 04:23:01.228 INFO running `"docker" "rm" "-f" "2d715dccd00770b1542d84f065db0944adf5688b532d82c84bf58c66382a7d6b"`
Dec 06 04:23:01.331 INFO [stdout] 2d715dccd00770b1542d84f065db0944adf5688b532d82c84bf58c66382a7d6b
Dec 06 04:23:01.334 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 04:23:01.541 INFO [stdout] 3342a653a5af3f1e2fa02d5a006facbe75dd925d290604570b5b0c0b00432cb2
Dec 06 04:23:01.543 INFO running `"docker" "start" "-a" "3342a653a5af3f1e2fa02d5a006facbe75dd925d290604570b5b0c0b00432cb2"`
Dec 06 04:23:01.923 INFO [stderr] usermod: no changes
Dec 06 04:23:01.965 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 04:23:01.983 INFO [stderr]      Running /target/debug/deps/simple_blockchain-474042240d0365ee
Dec 06 04:23:01.983 INFO [stdout] 
Dec 06 04:23:01.983 INFO [stdout] running 0 tests
Dec 06 04:23:01.983 INFO [stdout] 
Dec 06 04:23:01.983 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 04:23:01.983 INFO [stdout] 
Dec 06 04:23:01.985 INFO [stderr] su: No module specific data is present
Dec 06 04:23:02.395 INFO running `"docker" "inspect" "3342a653a5af3f1e2fa02d5a006facbe75dd925d290604570b5b0c0b00432cb2"`
Dec 06 04:23:02.489 INFO running `"docker" "rm" "-f" "3342a653a5af3f1e2fa02d5a006facbe75dd925d290604570b5b0c0b00432cb2"`
Dec 06 04:23:02.562 INFO [stdout] 3342a653a5af3f1e2fa02d5a006facbe75dd925d290604570b5b0c0b00432cb2