Nov 30 11:44:43.687 INFO checking CasperGN/RustChain against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 11:44:43.687 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 11:44:44.184 INFO [stdout] 4dcea1bc22ff5aa86ceb49d29b6a525f7d3afa3634571c506eb754f4be398484
Nov 30 11:44:44.192 INFO running `"docker" "start" "-a" "4dcea1bc22ff5aa86ceb49d29b6a525f7d3afa3634571c506eb754f4be398484"`
Nov 30 11:44:45.125 INFO [stderr] usermod: no changes
Nov 30 11:44:45.292 INFO [stderr]     Checking generic-array v0.9.0
Nov 30 11:44:45.875 INFO [stderr]     Checking digest v0.7.2
Nov 30 11:44:46.152 INFO [stderr]     Checking sha2 v0.7.0
Nov 30 11:44:46.788 INFO [stderr]     Checking RustChain v0.1.0 (/source)
Nov 30 11:44:48.320 INFO [stderr] warning: unused import: `decode`
Nov 30 11:44:48.320 INFO [stderr]   --> src/main.rs:20:22
Nov 30 11:44:48.320 INFO [stderr]    |
Nov 30 11:44:48.320 INFO [stderr] 20 | use base64::{encode, decode};
Nov 30 11:44:48.320 INFO [stderr]    |                      ^^^^^^
Nov 30 11:44:48.320 INFO [stderr]    |
Nov 30 11:44:48.320 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 11:44:48.320 INFO [stderr] 
Nov 30 11:44:48.396 INFO [stderr] warning: unused variable: `encVec`
Nov 30 11:44:48.396 INFO [stderr]   --> src/main.rs:30:13
Nov 30 11:44:48.396 INFO [stderr]    |
Nov 30 11:44:48.396 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 30 11:44:48.396 INFO [stderr]    |             ^^^^^^ help: consider using `_encVec` instead
Nov 30 11:44:48.396 INFO [stderr]    |
Nov 30 11:44:48.396 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 11:44:48.396 INFO [stderr] 
Nov 30 11:44:48.396 INFO [stderr] warning: unused variable: `newHashedBlock`
Nov 30 11:44:48.396 INFO [stderr]   --> src/main.rs:83:9
Nov 30 11:44:48.396 INFO [stderr]    |
Nov 30 11:44:48.396 INFO [stderr] 83 |     let newHashedBlock = generateHash(newBlockTup);
Nov 30 11:44:48.396 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_newHashedBlock` instead
Nov 30 11:44:48.396 INFO [stderr] 
Nov 30 11:44:48.416 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:44:48.416 INFO [stderr]   --> src/main.rs:30:9
Nov 30 11:44:48.416 INFO [stderr]    |
Nov 30 11:44:48.416 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 30 11:44:48.416 INFO [stderr]    |         ----^^^^^^
Nov 30 11:44:48.416 INFO [stderr]    |         |
Nov 30 11:44:48.416 INFO [stderr]    |         help: remove this `mut`
Nov 30 11:44:48.416 INFO [stderr]    |
Nov 30 11:44:48.416 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 11:44:48.416 INFO [stderr] 
Nov 30 11:44:48.768 INFO [stderr] warning: unused import: `decode`
Nov 30 11:44:48.768 INFO [stderr]   --> src/main.rs:20:22
Nov 30 11:44:48.768 INFO [stderr]    |
Nov 30 11:44:48.768 INFO [stderr] 20 | use base64::{encode, decode};
Nov 30 11:44:48.768 INFO [stderr]    |                      ^^^^^^
Nov 30 11:44:48.768 INFO [stderr]    |
Nov 30 11:44:48.768 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 11:44:48.768 INFO [stderr] 
Nov 30 11:44:48.816 INFO [stderr] warning: unused variable: `encVec`
Nov 30 11:44:48.816 INFO [stderr]   --> src/main.rs:30:13
Nov 30 11:44:48.816 INFO [stderr]    |
Nov 30 11:44:48.816 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 30 11:44:48.816 INFO [stderr]    |             ^^^^^^ help: consider using `_encVec` instead
Nov 30 11:44:48.816 INFO [stderr]    |
Nov 30 11:44:48.816 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 11:44:48.816 INFO [stderr] 
Nov 30 11:44:48.816 INFO [stderr] warning: unused variable: `newHashedBlock`
Nov 30 11:44:48.816 INFO [stderr]   --> src/main.rs:83:9
Nov 30 11:44:48.816 INFO [stderr]    |
Nov 30 11:44:48.816 INFO [stderr] 83 |     let newHashedBlock = generateHash(newBlockTup);
Nov 30 11:44:48.816 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_newHashedBlock` instead
Nov 30 11:44:48.816 INFO [stderr] 
Nov 30 11:44:48.824 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:44:48.824 INFO [stderr]   --> src/main.rs:30:9
Nov 30 11:44:48.824 INFO [stderr]    |
Nov 30 11:44:48.824 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 30 11:44:48.824 INFO [stderr]    |         ----^^^^^^
Nov 30 11:44:48.824 INFO [stderr]    |         |
Nov 30 11:44:48.824 INFO [stderr]    |         help: remove this `mut`
Nov 30 11:44:48.824 INFO [stderr]    |
Nov 30 11:44:48.824 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 11:44:48.824 INFO [stderr] 
Nov 30 11:44:48.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
Nov 30 11:44:48.844 INFO [stderr] su: No module specific data is present
Nov 30 11:44:49.650 INFO running `"docker" "inspect" "4dcea1bc22ff5aa86ceb49d29b6a525f7d3afa3634571c506eb754f4be398484"`
Nov 30 11:44:50.014 INFO running `"docker" "rm" "-f" "4dcea1bc22ff5aa86ceb49d29b6a525f7d3afa3634571c506eb754f4be398484"`
Nov 30 11:44:50.271 INFO [stdout] 4dcea1bc22ff5aa86ceb49d29b6a525f7d3afa3634571c506eb754f4be398484