Nov 30 05:38:44.818 INFO checking carlosgj94/simple_blockchain against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 05:38:44.818 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-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"`
Nov 30 05:38:45.339 INFO [stdout] 37bd3cb969daf8e967cd17bfa6631e02416f86d768ba1840f6ed990720cd6719
Nov 30 05:38:45.341 INFO running `"docker" "start" "-a" "37bd3cb969daf8e967cd17bfa6631e02416f86d768ba1840f6ed990720cd6719"`
Nov 30 05:38:47.642 INFO [stderr] usermod: no changes
Nov 30 05:38:47.781 INFO [stderr]    Compiling rust-crypto v0.2.36
Nov 30 05:38:54.108 INFO [stderr]     Checking simple_blockchain v0.1.0 (/source)
Nov 30 05:38:54.784 INFO [stderr] warning: value assigned to `hash` is never read
Nov 30 05:38:54.784 INFO [stderr]   --> src/main.rs:73:13
Nov 30 05:38:54.784 INFO [stderr]    |
Nov 30 05:38:54.784 INFO [stderr] 73 |     let mut hash = String::new();
Nov 30 05:38:54.784 INFO [stderr]    |             ^^^^
Nov 30 05:38:54.784 INFO [stderr]    |
Nov 30 05:38:54.784 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:38:54.784 INFO [stderr] 
Nov 30 05:38:54.808 INFO [stderr] warning: function is never used: `is_valid_new_block`
Nov 30 05:38:54.808 INFO [stderr]    --> src/main.rs:104:1
Nov 30 05:38:54.808 INFO [stderr]     |
Nov 30 05:38:54.808 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Nov 30 05:38:54.808 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:38:54.808 INFO [stderr]     |
Nov 30 05:38:54.808 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 05:38:54.808 INFO [stderr] 
Nov 30 05:38:54.819 INFO [stderr] warning: value assigned to `hash` is never read
Nov 30 05:38:54.819 INFO [stderr]   --> src/main.rs:73:13
Nov 30 05:38:54.820 INFO [stderr]    |
Nov 30 05:38:54.820 INFO [stderr] 73 |     let mut hash = String::new();
Nov 30 05:38:54.820 INFO [stderr]    |             ^^^^
Nov 30 05:38:54.820 INFO [stderr]    |
Nov 30 05:38:54.820 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 05:38:54.820 INFO [stderr] 
Nov 30 05:38:54.841 INFO [stderr] warning: function is never used: `is_valid_new_block`
Nov 30 05:38:54.841 INFO [stderr]    --> src/main.rs:104:1
Nov 30 05:38:54.841 INFO [stderr]     |
Nov 30 05:38:54.841 INFO [stderr] 104 | fn is_valid_new_block(n_block: Block, p_block: Block) -> bool {
Nov 30 05:38:54.841 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 05:38:54.841 INFO [stderr]     |
Nov 30 05:38:54.841 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 05:38:54.841 INFO [stderr] 
Nov 30 05:38:54.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.18s
Nov 30 05:38:54.860 INFO [stderr] su: No module specific data is present
Nov 30 05:38:55.280 INFO running `"docker" "inspect" "37bd3cb969daf8e967cd17bfa6631e02416f86d768ba1840f6ed990720cd6719"`
Nov 30 05:38:55.476 INFO running `"docker" "rm" "-f" "37bd3cb969daf8e967cd17bfa6631e02416f86d768ba1840f6ed990720cd6719"`
Nov 30 05:38:55.636 INFO [stdout] 37bd3cb969daf8e967cd17bfa6631e02416f86d768ba1840f6ed990720cd6719