Dec 11 18:50:15.441 INFO checking errorport/rustbeat against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 18:50:15.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 18:50:16.147 INFO [stdout] d92b14b31fdb66e47e4910d176d1b80b77fb96f2e6a1f521cb70c6124b237336
Dec 11 18:50:16.149 INFO running `"docker" "start" "-a" "d92b14b31fdb66e47e4910d176d1b80b77fb96f2e6a1f521cb70c6124b237336"`
Dec 11 18:50:17.275 INFO [stderr] usermod: no changes
Dec 11 18:50:17.340 INFO [stderr]     Checking deep_unknown v0.1.0 (/source)
Dec 11 18:50:17.944 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 11 18:50:17.944 INFO [stderr]   --> src/main.rs:18:6
Dec 11 18:50:17.944 INFO [stderr]    |
Dec 11 18:50:17.944 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 11 18:50:17.944 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 18:50:17.944 INFO [stderr]    |
Dec 11 18:50:17.944 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 18:50:17.944 INFO [stderr] 
Dec 11 18:50:17.948 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 11 18:50:17.948 INFO [stderr]   --> src/main.rs:18:6
Dec 11 18:50:17.948 INFO [stderr]    |
Dec 11 18:50:17.948 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 11 18:50:17.948 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 18:50:17.948 INFO [stderr]    |
Dec 11 18:50:17.948 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 18:50:17.948 INFO [stderr] 
Dec 11 18:50:17.977 INFO [stderr] warning: unused variable: `rng`
Dec 11 18:50:17.977 INFO [stderr]  --> src/main.rs:6:10
Dec 11 18:50:17.977 INFO [stderr]   |
Dec 11 18:50:17.977 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 11 18:50:17.977 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 11 18:50:17.977 INFO [stderr]   |
Dec 11 18:50:17.977 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 18:50:17.977 INFO [stderr] 
Dec 11 18:50:17.977 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:17.977 INFO [stderr]   --> src/main.rs:32:10
Dec 11 18:50:17.977 INFO [stderr]    |
Dec 11 18:50:17.977 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 11 18:50:17.977 INFO [stderr]    |             ^
Dec 11 18:50:17.977 INFO [stderr]    |
Dec 11 18:50:17.977 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 18:50:17.977 INFO [stderr] 
Dec 11 18:50:17.977 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:17.977 INFO [stderr]   --> src/main.rs:38:10
Dec 11 18:50:17.977 INFO [stderr]    |
Dec 11 18:50:17.977 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 11 18:50:17.977 INFO [stderr]    |             ^
Dec 11 18:50:17.977 INFO [stderr] 
Dec 11 18:50:17.978 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:17.978 INFO [stderr]   --> src/main.rs:44:10
Dec 11 18:50:17.978 INFO [stderr]    |
Dec 11 18:50:17.979 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 11 18:50:17.979 INFO [stderr]    |             ^
Dec 11 18:50:17.979 INFO [stderr] 
Dec 11 18:50:17.980 INFO [stderr] warning: variable does not need to be mutable
Dec 11 18:50:17.980 INFO [stderr]  --> src/main.rs:6:6
Dec 11 18:50:17.980 INFO [stderr]   |
Dec 11 18:50:17.980 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 11 18:50:17.980 INFO [stderr]   |         ----^^^
Dec 11 18:50:17.980 INFO [stderr]   |         |
Dec 11 18:50:17.980 INFO [stderr]   |         help: remove this `mut`
Dec 11 18:50:17.980 INFO [stderr]   |
Dec 11 18:50:17.980 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 18:50:17.981 INFO [stderr] 
Dec 11 18:50:18.044 INFO [stderr] warning: unused variable: `rng`
Dec 11 18:50:18.045 INFO [stderr]  --> src/main.rs:6:10
Dec 11 18:50:18.045 INFO [stderr]   |
Dec 11 18:50:18.045 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 11 18:50:18.048 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 11 18:50:18.048 INFO [stderr]   |
Dec 11 18:50:18.048 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 18:50:18.048 INFO [stderr] 
Dec 11 18:50:18.048 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:18.048 INFO [stderr]   --> src/main.rs:32:10
Dec 11 18:50:18.048 INFO [stderr]    |
Dec 11 18:50:18.048 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 11 18:50:18.048 INFO [stderr]    |             ^
Dec 11 18:50:18.048 INFO [stderr]    |
Dec 11 18:50:18.048 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 18:50:18.048 INFO [stderr] 
Dec 11 18:50:18.048 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:18.048 INFO [stderr]   --> src/main.rs:38:10
Dec 11 18:50:18.048 INFO [stderr]    |
Dec 11 18:50:18.048 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 11 18:50:18.048 INFO [stderr]    |             ^
Dec 11 18:50:18.048 INFO [stderr] 
Dec 11 18:50:18.048 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:18.048 INFO [stderr]   --> src/main.rs:44:10
Dec 11 18:50:18.048 INFO [stderr]    |
Dec 11 18:50:18.048 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 11 18:50:18.048 INFO [stderr]    |             ^
Dec 11 18:50:18.049 INFO [stderr] 
Dec 11 18:50:18.049 INFO [stderr] warning: variable does not need to be mutable
Dec 11 18:50:18.049 INFO [stderr]  --> src/main.rs:6:6
Dec 11 18:50:18.049 INFO [stderr]   |
Dec 11 18:50:18.049 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 11 18:50:18.049 INFO [stderr]   |         ----^^^
Dec 11 18:50:18.049 INFO [stderr]   |         |
Dec 11 18:50:18.049 INFO [stderr]   |         help: remove this `mut`
Dec 11 18:50:18.049 INFO [stderr]   |
Dec 11 18:50:18.049 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 18:50:18.049 INFO [stderr] 
Dec 11 18:50:18.104 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 11 18:50:18.104 INFO [stderr] su: No module specific data is present
Dec 11 18:50:18.946 INFO running `"docker" "inspect" "d92b14b31fdb66e47e4910d176d1b80b77fb96f2e6a1f521cb70c6124b237336"`
Dec 11 18:50:19.182 INFO running `"docker" "rm" "-f" "d92b14b31fdb66e47e4910d176d1b80b77fb96f2e6a1f521cb70c6124b237336"`
Dec 11 18:50:19.544 INFO [stdout] d92b14b31fdb66e47e4910d176d1b80b77fb96f2e6a1f521cb70c6124b237336