Dec 04 19:03:33.877 INFO checking errorport/rustbeat against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 19:03:33.877 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 19:03:34.635 INFO [stdout] 1a98de68a21d6a8e9cd5f2bc9aa4c783855d91fac679ce059f71637b24793030
Dec 04 19:03:34.637 INFO running `"docker" "start" "-a" "1a98de68a21d6a8e9cd5f2bc9aa4c783855d91fac679ce059f71637b24793030"`
Dec 04 19:03:35.694 INFO [stderr] usermod: no changes
Dec 04 19:03:35.779 INFO [stderr]     Checking deep_unknown v0.1.0 (/source)
Dec 04 19:03:36.363 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 19:03:36.363 INFO [stderr]   --> src/main.rs:18:6
Dec 04 19:03:36.363 INFO [stderr]    |
Dec 04 19:03:36.363 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 04 19:03:36.363 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 19:03:36.363 INFO [stderr]    |
Dec 04 19:03:36.363 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 19:03:36.363 INFO [stderr] 
Dec 04 19:03:36.407 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 19:03:36.407 INFO [stderr]   --> src/main.rs:18:6
Dec 04 19:03:36.407 INFO [stderr]    |
Dec 04 19:03:36.407 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 04 19:03:36.407 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 19:03:36.407 INFO [stderr]    |
Dec 04 19:03:36.407 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 19:03:36.407 INFO [stderr] 
Dec 04 19:03:36.451 INFO [stderr] warning: unused variable: `rng`
Dec 04 19:03:36.451 INFO [stderr]  --> src/main.rs:6:10
Dec 04 19:03:36.451 INFO [stderr]   |
Dec 04 19:03:36.451 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 04 19:03:36.451 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 04 19:03:36.451 INFO [stderr]   |
Dec 04 19:03:36.451 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 19:03:36.451 INFO [stderr] 
Dec 04 19:03:36.451 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:36.451 INFO [stderr]   --> src/main.rs:32:10
Dec 04 19:03:36.451 INFO [stderr]    |
Dec 04 19:03:36.451 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 04 19:03:36.451 INFO [stderr]    |             ^
Dec 04 19:03:36.451 INFO [stderr]    |
Dec 04 19:03:36.451 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 19:03:36.451 INFO [stderr] 
Dec 04 19:03:36.451 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:36.451 INFO [stderr]   --> src/main.rs:38:10
Dec 04 19:03:36.451 INFO [stderr]    |
Dec 04 19:03:36.451 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 04 19:03:36.451 INFO [stderr]    |             ^
Dec 04 19:03:36.451 INFO [stderr] 
Dec 04 19:03:36.451 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:36.451 INFO [stderr]   --> src/main.rs:44:10
Dec 04 19:03:36.451 INFO [stderr]    |
Dec 04 19:03:36.451 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 04 19:03:36.451 INFO [stderr]    |             ^
Dec 04 19:03:36.451 INFO [stderr] 
Dec 04 19:03:36.451 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:03:36.451 INFO [stderr]  --> src/main.rs:6:6
Dec 04 19:03:36.451 INFO [stderr]   |
Dec 04 19:03:36.451 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 04 19:03:36.451 INFO [stderr]   |         ----^^^
Dec 04 19:03:36.451 INFO [stderr]   |         |
Dec 04 19:03:36.451 INFO [stderr]   |         help: remove this `mut`
Dec 04 19:03:36.451 INFO [stderr]   |
Dec 04 19:03:36.451 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 19:03:36.451 INFO [stderr] 
Dec 04 19:03:36.507 INFO [stderr] warning: unused variable: `rng`
Dec 04 19:03:36.507 INFO [stderr]  --> src/main.rs:6:10
Dec 04 19:03:36.507 INFO [stderr]   |
Dec 04 19:03:36.507 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 04 19:03:36.507 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 04 19:03:36.507 INFO [stderr]   |
Dec 04 19:03:36.507 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 19:03:36.507 INFO [stderr] 
Dec 04 19:03:36.507 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:36.507 INFO [stderr]   --> src/main.rs:32:10
Dec 04 19:03:36.507 INFO [stderr]    |
Dec 04 19:03:36.507 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 04 19:03:36.507 INFO [stderr]    |             ^
Dec 04 19:03:36.507 INFO [stderr]    |
Dec 04 19:03:36.507 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 19:03:36.507 INFO [stderr] 
Dec 04 19:03:36.507 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:36.507 INFO [stderr]   --> src/main.rs:38:10
Dec 04 19:03:36.507 INFO [stderr]    |
Dec 04 19:03:36.507 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 04 19:03:36.507 INFO [stderr]    |             ^
Dec 04 19:03:36.507 INFO [stderr] 
Dec 04 19:03:36.507 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:36.507 INFO [stderr]   --> src/main.rs:44:10
Dec 04 19:03:36.507 INFO [stderr]    |
Dec 04 19:03:36.507 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 04 19:03:36.507 INFO [stderr]    |             ^
Dec 04 19:03:36.507 INFO [stderr] 
Dec 04 19:03:36.507 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:03:36.507 INFO [stderr]  --> src/main.rs:6:6
Dec 04 19:03:36.507 INFO [stderr]   |
Dec 04 19:03:36.507 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 04 19:03:36.507 INFO [stderr]   |         ----^^^
Dec 04 19:03:36.507 INFO [stderr]   |         |
Dec 04 19:03:36.507 INFO [stderr]   |         help: remove this `mut`
Dec 04 19:03:36.507 INFO [stderr]   |
Dec 04 19:03:36.507 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 19:03:36.507 INFO [stderr] 
Dec 04 19:03:36.563 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 04 19:03:36.591 INFO [stderr] su: No module specific data is present
Dec 04 19:03:37.737 INFO running `"docker" "inspect" "1a98de68a21d6a8e9cd5f2bc9aa4c783855d91fac679ce059f71637b24793030"`
Dec 04 19:03:38.095 INFO running `"docker" "rm" "-f" "1a98de68a21d6a8e9cd5f2bc9aa4c783855d91fac679ce059f71637b24793030"`
Dec 04 19:03:38.423 INFO [stdout] 1a98de68a21d6a8e9cd5f2bc9aa4c783855d91fac679ce059f71637b24793030