Dec 06 04:22:49.962 INFO testing carlosgj94/simple_blockchain against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 04:22:49.962 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 04:22:50.316 INFO [stdout] 6681c271bf69f39aec83fdfc8514f459b47dc269bdca666ffbb4a0ca5404c479
Dec 06 04:22:50.322 INFO running `"docker" "start" "-a" "6681c271bf69f39aec83fdfc8514f459b47dc269bdca666ffbb4a0ca5404c479"`
Dec 06 04:22:51.247 INFO [stderr] usermod: no changes
Dec 06 04:22:51.351 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 06 04:22:57.783 INFO [stderr]    Compiling simple_blockchain v0.1.0 (/source)
Dec 06 04:22:58.267 INFO [stderr] warning: value assigned to `hash` is never read
Dec 06 04:22:58.267 INFO [stderr]   --> src/main.rs:73:13
Dec 06 04:22:58.267 INFO [stderr]    |
Dec 06 04:22:58.267 INFO [stderr] 73 |     let mut hash = String::new();
Dec 06 04:22:58.267 INFO [stderr]    |             ^^^^
Dec 06 04:22:58.267 INFO [stderr]    |
Dec 06 04:22:58.267 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 04:22:58.267 INFO [stderr] 
Dec 06 04:22:58.287 INFO [stderr] warning: function is never used: `is_valid_new_block`
Dec 06 04:22:58.287 INFO [stderr]    --> src/main.rs:104:1
Dec 06 04:22:58.287 INFO [stderr]     |
Dec 06 04:22:58.287 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Dec 06 04:22:58.287 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:22:58.287 INFO [stderr]     |
Dec 06 04:22:58.287 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 04:22:58.287 INFO [stderr] 
Dec 06 04:22:58.735 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
Dec 06 04:22:58.739 INFO [stderr] su: No module specific data is present
Dec 06 04:22:59.122 INFO running `"docker" "inspect" "6681c271bf69f39aec83fdfc8514f459b47dc269bdca666ffbb4a0ca5404c479"`
Dec 06 04:22:59.207 INFO running `"docker" "rm" "-f" "6681c271bf69f39aec83fdfc8514f459b47dc269bdca666ffbb4a0ca5404c479"`
Dec 06 04:22:59.289 INFO [stdout] 6681c271bf69f39aec83fdfc8514f459b47dc269bdca666ffbb4a0ca5404c479
Dec 06 04:22:59.292 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 04:22:59.427 INFO [stdout] dad284cfa542bd0e107dc368f5c2d2eb3d4f856f46f212a6f66d884df596308d
Dec 06 04:22:59.429 INFO running `"docker" "start" "-a" "dad284cfa542bd0e107dc368f5c2d2eb3d4f856f46f212a6f66d884df596308d"`
Dec 06 04:22:59.893 INFO [stderr] usermod: no changes
Dec 06 04:22:59.947 INFO [stderr]    Compiling simple_blockchain v0.1.0 (/source)
Dec 06 04:23:00.412 INFO [stderr] warning: value assigned to `hash` is never read
Dec 06 04:23:00.412 INFO [stderr]   --> src/main.rs:73:13
Dec 06 04:23:00.412 INFO [stderr]    |
Dec 06 04:23:00.412 INFO [stderr] 73 |     let mut hash = String::new();
Dec 06 04:23:00.412 INFO [stderr]    |             ^^^^
Dec 06 04:23:00.412 INFO [stderr]    |
Dec 06 04:23:00.412 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 06 04:23:00.412 INFO [stderr] 
Dec 06 04:23:00.432 INFO [stderr] warning: function is never used: `is_valid_new_block`
Dec 06 04:23:00.432 INFO [stderr]    --> src/main.rs:104:1
Dec 06 04:23:00.432 INFO [stderr]     |
Dec 06 04:23:00.432 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Dec 06 04:23:00.432 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 04:23:00.432 INFO [stderr]     |
Dec 06 04:23:00.432 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 06 04:23:00.432 INFO [stderr] 
Dec 06 04:23:00.698 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 06 04:23:00.702 INFO [stderr] su: No module specific data is present
Dec 06 04:23:00.967 INFO running `"docker" "inspect" "dad284cfa542bd0e107dc368f5c2d2eb3d4f856f46f212a6f66d884df596308d"`
Dec 06 04:23:01.076 INFO running `"docker" "rm" "-f" "dad284cfa542bd0e107dc368f5c2d2eb3d4f856f46f212a6f66d884df596308d"`
Dec 06 04:23:01.164 INFO [stdout] dad284cfa542bd0e107dc368f5c2d2eb3d4f856f46f212a6f66d884df596308d
Dec 06 04:23:01.166 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06 04:23:01.304 INFO [stdout] 2badb85ce716e93e9df8c1dcbcde80a57f91ce5e0085b78156ecacfff4c577e2
Dec 06 04:23:01.306 INFO running `"docker" "start" "-a" "2badb85ce716e93e9df8c1dcbcde80a57f91ce5e0085b78156ecacfff4c577e2"`
Dec 06 04:23:01.669 INFO [stderr] usermod: no changes
Dec 06 04:23:01.726 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 04:23:01.727 INFO [stderr]      Running /target/debug/deps/simple_blockchain-1134c132645ada5e
Dec 06 04:23:01.732 INFO [stdout] 
Dec 06 04:23:01.732 INFO [stdout] running 0 tests
Dec 06 04:23:01.732 INFO [stdout] 
Dec 06 04:23:01.732 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 04:23:01.732 INFO [stdout] 
Dec 06 04:23:01.732 INFO [stderr] su: No module specific data is present
Dec 06 04:23:01.960 INFO running `"docker" "inspect" "2badb85ce716e93e9df8c1dcbcde80a57f91ce5e0085b78156ecacfff4c577e2"`
Dec 06 04:23:02.070 INFO running `"docker" "rm" "-f" "2badb85ce716e93e9df8c1dcbcde80a57f91ce5e0085b78156ecacfff4c577e2"`
Dec 06 04:23:02.259 INFO [stdout] 2badb85ce716e93e9df8c1dcbcde80a57f91ce5e0085b78156ecacfff4c577e2