Nov 30 11:44:43.757 INFO checking CasperGN/RustChain against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 11:44:43.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 11:44:44.141 INFO [stdout] 4cf238736d8ce672171d1857604cf095d4be904c77ebeff8be045d7a615f2ca0
Nov 30 11:44:44.146 INFO running `"docker" "start" "-a" "4cf238736d8ce672171d1857604cf095d4be904c77ebeff8be045d7a615f2ca0"`
Nov 30 11:44:45.140 INFO [stderr] usermod: no changes
Nov 30 11:44:45.276 INFO [stderr]     Checking RustChain v0.1.0 (/source)
Nov 30 11:44:47.324 INFO [stderr] warning: unused import: `decode`
Nov 30 11:44:47.324 INFO [stderr]   --> src/main.rs:20:22
Nov 30 11:44:47.324 INFO [stderr]    |
Nov 30 11:44:47.324 INFO [stderr] 20 | use base64::{encode, decode};
Nov 30 11:44:47.324 INFO [stderr]    |                      ^^^^^^
Nov 30 11:44:47.324 INFO [stderr]    |
Nov 30 11:44:47.324 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 11:44:47.324 INFO [stderr] 
Nov 30 11:44:47.412 INFO [stderr] warning: unused variable: `encVec`
Nov 30 11:44:47.412 INFO [stderr]   --> src/main.rs:30:13
Nov 30 11:44:47.413 INFO [stderr]    |
Nov 30 11:44:47.413 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 30 11:44:47.413 INFO [stderr]    |             ^^^^^^ help: consider using `_encVec` instead
Nov 30 11:44:47.414 INFO [stderr]    |
Nov 30 11:44:47.414 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 11:44:47.414 INFO [stderr] 
Nov 30 11:44:47.415 INFO [stderr] warning: unused variable: `newHashedBlock`
Nov 30 11:44:47.415 INFO [stderr]   --> src/main.rs:83:9
Nov 30 11:44:47.415 INFO [stderr]    |
Nov 30 11:44:47.416 INFO [stderr] 83 |     let newHashedBlock = generateHash(newBlockTup);
Nov 30 11:44:47.416 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_newHashedBlock` instead
Nov 30 11:44:47.420 INFO [stderr] 
Nov 30 11:44:47.434 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:44:47.434 INFO [stderr]   --> src/main.rs:30:9
Nov 30 11:44:47.434 INFO [stderr]    |
Nov 30 11:44:47.435 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 30 11:44:47.435 INFO [stderr]    |         ----^^^^^^
Nov 30 11:44:47.435 INFO [stderr]    |         |
Nov 30 11:44:47.435 INFO [stderr]    |         help: remove this `mut`
Nov 30 11:44:47.439 INFO [stderr]    |
Nov 30 11:44:47.439 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 11:44:47.439 INFO [stderr] 
Nov 30 11:44:47.552 INFO [stderr] warning: unused import: `decode`
Nov 30 11:44:47.552 INFO [stderr]   --> src/main.rs:20:22
Nov 30 11:44:47.552 INFO [stderr]    |
Nov 30 11:44:47.552 INFO [stderr] 20 | use base64::{encode, decode};
Nov 30 11:44:47.552 INFO [stderr]    |                      ^^^^^^
Nov 30 11:44:47.552 INFO [stderr]    |
Nov 30 11:44:47.552 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 30 11:44:47.552 INFO [stderr] 
Nov 30 11:44:47.632 INFO [stderr] warning: unused variable: `encVec`
Nov 30 11:44:47.632 INFO [stderr]   --> src/main.rs:30:13
Nov 30 11:44:47.632 INFO [stderr]    |
Nov 30 11:44:47.632 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 30 11:44:47.632 INFO [stderr]    |             ^^^^^^ help: consider using `_encVec` instead
Nov 30 11:44:47.636 INFO [stderr]    |
Nov 30 11:44:47.636 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 11:44:47.636 INFO [stderr] 
Nov 30 11:44:47.636 INFO [stderr] warning: unused variable: `newHashedBlock`
Nov 30 11:44:47.636 INFO [stderr]   --> src/main.rs:83:9
Nov 30 11:44:47.636 INFO [stderr]    |
Nov 30 11:44:47.636 INFO [stderr] 83 |     let newHashedBlock = generateHash(newBlockTup);
Nov 30 11:44:47.636 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_newHashedBlock` instead
Nov 30 11:44:47.636 INFO [stderr] 
Nov 30 11:44:47.652 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:44:47.652 INFO [stderr]   --> src/main.rs:30:9
Nov 30 11:44:47.652 INFO [stderr]    |
Nov 30 11:44:47.652 INFO [stderr] 30 |     let mut encVec: Vec<u8> = Vec::new();
Nov 30 11:44:47.652 INFO [stderr]    |         ----^^^^^^
Nov 30 11:44:47.652 INFO [stderr]    |         |
Nov 30 11:44:47.652 INFO [stderr]    |         help: remove this `mut`
Nov 30 11:44:47.652 INFO [stderr]    |
Nov 30 11:44:47.652 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 11:44:47.652 INFO [stderr] 
Nov 30 11:44:47.673 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
Nov 30 11:44:47.677 INFO [stderr] su: No module specific data is present
Nov 30 11:44:48.510 INFO running `"docker" "inspect" "4cf238736d8ce672171d1857604cf095d4be904c77ebeff8be045d7a615f2ca0"`
Nov 30 11:44:48.776 INFO running `"docker" "rm" "-f" "4cf238736d8ce672171d1857604cf095d4be904c77ebeff8be045d7a615f2ca0"`
Nov 30 11:44:49.112 INFO [stdout] 4cf238736d8ce672171d1857604cf095d4be904c77ebeff8be045d7a615f2ca0