Nov 28 14:15:25.569 INFO checking CasperGN/RustChain against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:15:25.569 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 14:15:25.974 INFO [stdout] 3b54b332ee75c5d8f08a506e108fc0c9268f7790438042e65cd90dce88e4e085
Nov 28 14:15:25.977 INFO running `"docker" "start" "-a" "3b54b332ee75c5d8f08a506e108fc0c9268f7790438042e65cd90dce88e4e085"`
Nov 28 14:15:27.288 INFO [stderr] usermod: no changes
Nov 28 14:15:27.404 INFO [stderr]     Checking RustChain v0.1.0 (/source)
Nov 28 14:15:28.808 INFO [stderr] warning: unused import: `decode`
Nov 28 14:15:28.808 INFO [stderr]   --> src/main.rs:20:22
Nov 28 14:15:28.810 INFO [stderr]    |
Nov 28 14:15:28.810 INFO [stderr] 20 | use base64::{encode, decode};
Nov 28 14:15:28.810 INFO [stderr]    |                      ^^^^^^
Nov 28 14:15:28.811 INFO [stderr]    |
Nov 28 14:15:28.812 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 14:15:28.813 INFO [stderr] 
Nov 28 14:15:28.876 INFO [stderr] warning: unused variable: `encVec`
Nov 28 14:15:28.876 INFO [stderr]   --> src/main.rs:30:13
Nov 28 14:15:28.876 INFO [stderr]    |
Nov 28 14:15:28.876 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 28 14:15:28.876 INFO [stderr]    |             ^^^^^^ help: consider using `_encVec` instead
Nov 28 14:15:28.876 INFO [stderr]    |
Nov 28 14:15:28.876 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:15:28.876 INFO [stderr] 
Nov 28 14:15:28.876 INFO [stderr] warning: unused variable: `newHashedBlock`
Nov 28 14:15:28.876 INFO [stderr]   --> src/main.rs:83:9
Nov 28 14:15:28.876 INFO [stderr]    |
Nov 28 14:15:28.876 INFO [stderr] 83 |     let newHashedBlock = generateHash(newBlockTup);
Nov 28 14:15:28.876 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_newHashedBlock` instead
Nov 28 14:15:28.876 INFO [stderr] 
Nov 28 14:15:28.876 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:15:28.876 INFO [stderr]   --> src/main.rs:30:9
Nov 28 14:15:28.876 INFO [stderr]    |
Nov 28 14:15:28.876 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 28 14:15:28.876 INFO [stderr]    |         ----^^^^^^
Nov 28 14:15:28.876 INFO [stderr]    |         |
Nov 28 14:15:28.876 INFO [stderr]    |         help: remove this `mut`
Nov 28 14:15:28.876 INFO [stderr]    |
Nov 28 14:15:28.876 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 14:15:28.876 INFO [stderr] 
Nov 28 14:15:29.236 INFO [stderr] warning: unused import: `decode`
Nov 28 14:15:29.236 INFO [stderr]   --> src/main.rs:20:22
Nov 28 14:15:29.236 INFO [stderr]    |
Nov 28 14:15:29.236 INFO [stderr] 20 | use base64::{encode, decode};
Nov 28 14:15:29.236 INFO [stderr]    |                      ^^^^^^
Nov 28 14:15:29.236 INFO [stderr]    |
Nov 28 14:15:29.236 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 28 14:15:29.236 INFO [stderr] 
Nov 28 14:15:29.284 INFO [stderr] warning: unused variable: `encVec`
Nov 28 14:15:29.285 INFO [stderr]   --> src/main.rs:30:13
Nov 28 14:15:29.285 INFO [stderr]    |
Nov 28 14:15:29.285 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 28 14:15:29.286 INFO [stderr]    |             ^^^^^^ help: consider using `_encVec` instead
Nov 28 14:15:29.286 INFO [stderr]    |
Nov 28 14:15:29.286 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 14:15:29.286 INFO [stderr] 
Nov 28 14:15:29.287 INFO [stderr] warning: unused variable: `newHashedBlock`
Nov 28 14:15:29.287 INFO [stderr]   --> src/main.rs:83:9
Nov 28 14:15:29.287 INFO [stderr]    |
Nov 28 14:15:29.287 INFO [stderr] 83 |     let newHashedBlock = generateHash(newBlockTup);
Nov 28 14:15:29.287 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_newHashedBlock` instead
Nov 28 14:15:29.287 INFO [stderr] 
Nov 28 14:15:29.296 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:15:29.297 INFO [stderr]   --> src/main.rs:30:9
Nov 28 14:15:29.297 INFO [stderr]    |
Nov 28 14:15:29.297 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 28 14:15:29.297 INFO [stderr]    |         ----^^^^^^
Nov 28 14:15:29.298 INFO [stderr]    |         |
Nov 28 14:15:29.298 INFO [stderr]    |         help: remove this `mut`
Nov 28 14:15:29.298 INFO [stderr]    |
Nov 28 14:15:29.298 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 14:15:29.298 INFO [stderr] 
Nov 28 14:15:29.304 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Nov 28 14:15:29.308 INFO [stderr] su: No module specific data is present
Nov 28 14:15:29.834 INFO running `"docker" "inspect" "3b54b332ee75c5d8f08a506e108fc0c9268f7790438042e65cd90dce88e4e085"`
Nov 28 14:15:30.119 INFO running `"docker" "rm" "-f" "3b54b332ee75c5d8f08a506e108fc0c9268f7790438042e65cd90dce88e4e085"`
Nov 28 14:15:30.312 INFO [stdout] 3b54b332ee75c5d8f08a506e108fc0c9268f7790438042e65cd90dce88e4e085