Dec 11 18:50:17.853 INFO checking errorport/rustbeat against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 18:50:17.853 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 18:50:18.528 INFO [stdout] 85383791eaf384222a459ecb946ab2fe51b95f442190259b647a1e81484e6ab5
Dec 11 18:50:18.534 INFO running `"docker" "start" "-a" "85383791eaf384222a459ecb946ab2fe51b95f442190259b647a1e81484e6ab5"`
Dec 11 18:50:20.036 INFO [stderr] usermod: no changes
Dec 11 18:50:20.088 INFO [stderr]     Checking deep_unknown v0.1.0 (/source)
Dec 11 18:50:20.768 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 11 18:50:20.768 INFO [stderr]   --> src/main.rs:18:6
Dec 11 18:50:20.768 INFO [stderr]    |
Dec 11 18:50:20.768 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 11 18:50:20.768 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 18:50:20.768 INFO [stderr]    |
Dec 11 18:50:20.768 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 18:50:20.768 INFO [stderr] 
Dec 11 18:50:20.820 INFO [stderr] warning: unused variable: `rng`
Dec 11 18:50:20.820 INFO [stderr]  --> src/main.rs:6:10
Dec 11 18:50:20.820 INFO [stderr]   |
Dec 11 18:50:20.820 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 11 18:50:20.820 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 11 18:50:20.820 INFO [stderr]   |
Dec 11 18:50:20.820 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 18:50:20.820 INFO [stderr] 
Dec 11 18:50:20.820 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:20.820 INFO [stderr]   --> src/main.rs:32:10
Dec 11 18:50:20.820 INFO [stderr]    |
Dec 11 18:50:20.821 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 11 18:50:20.821 INFO [stderr]    |             ^
Dec 11 18:50:20.821 INFO [stderr]    |
Dec 11 18:50:20.821 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 18:50:20.821 INFO [stderr] 
Dec 11 18:50:20.821 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:20.821 INFO [stderr]   --> src/main.rs:38:10
Dec 11 18:50:20.821 INFO [stderr]    |
Dec 11 18:50:20.821 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 11 18:50:20.821 INFO [stderr]    |             ^
Dec 11 18:50:20.821 INFO [stderr] 
Dec 11 18:50:20.821 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:20.821 INFO [stderr]   --> src/main.rs:44:10
Dec 11 18:50:20.821 INFO [stderr]    |
Dec 11 18:50:20.821 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 11 18:50:20.821 INFO [stderr]    |             ^
Dec 11 18:50:20.821 INFO [stderr] 
Dec 11 18:50:20.828 INFO [stderr] warning: variable does not need to be mutable
Dec 11 18:50:20.828 INFO [stderr]  --> src/main.rs:6:6
Dec 11 18:50:20.828 INFO [stderr]   |
Dec 11 18:50:20.828 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 11 18:50:20.828 INFO [stderr]   |         ----^^^
Dec 11 18:50:20.828 INFO [stderr]   |         |
Dec 11 18:50:20.828 INFO [stderr]   |         help: remove this `mut`
Dec 11 18:50:20.828 INFO [stderr]   |
Dec 11 18:50:20.828 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 18:50:20.828 INFO [stderr] 
Dec 11 18:50:20.897 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 11 18:50:20.897 INFO [stderr]   --> src/main.rs:18:6
Dec 11 18:50:20.897 INFO [stderr]    |
Dec 11 18:50:20.897 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 11 18:50:20.897 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 18:50:20.897 INFO [stderr]    |
Dec 11 18:50:20.897 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 11 18:50:20.897 INFO [stderr] 
Dec 11 18:50:20.928 INFO [stderr] warning: unused variable: `rng`
Dec 11 18:50:20.928 INFO [stderr]  --> src/main.rs:6:10
Dec 11 18:50:20.928 INFO [stderr]   |
Dec 11 18:50:20.928 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 11 18:50:20.928 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 11 18:50:20.928 INFO [stderr]   |
Dec 11 18:50:20.928 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 18:50:20.928 INFO [stderr] 
Dec 11 18:50:20.928 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:20.928 INFO [stderr]   --> src/main.rs:32:10
Dec 11 18:50:20.928 INFO [stderr]    |
Dec 11 18:50:20.928 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 11 18:50:20.928 INFO [stderr]    |             ^
Dec 11 18:50:20.928 INFO [stderr]    |
Dec 11 18:50:20.936 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 18:50:20.936 INFO [stderr] 
Dec 11 18:50:20.936 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:20.936 INFO [stderr]   --> src/main.rs:38:10
Dec 11 18:50:20.936 INFO [stderr]    |
Dec 11 18:50:20.936 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 11 18:50:20.936 INFO [stderr]    |             ^
Dec 11 18:50:20.936 INFO [stderr] 
Dec 11 18:50:20.936 INFO [stderr] warning: value assigned to `s` is never read
Dec 11 18:50:20.936 INFO [stderr]   --> src/main.rs:44:10
Dec 11 18:50:20.936 INFO [stderr]    |
Dec 11 18:50:20.936 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 11 18:50:20.936 INFO [stderr]    |             ^
Dec 11 18:50:20.936 INFO [stderr] 
Dec 11 18:50:20.936 INFO [stderr] warning: variable does not need to be mutable
Dec 11 18:50:20.936 INFO [stderr]  --> src/main.rs:6:6
Dec 11 18:50:20.936 INFO [stderr]   |
Dec 11 18:50:20.936 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 11 18:50:20.936 INFO [stderr]   |         ----^^^
Dec 11 18:50:20.937 INFO [stderr]   |         |
Dec 11 18:50:20.937 INFO [stderr]   |         help: remove this `mut`
Dec 11 18:50:20.937 INFO [stderr]   |
Dec 11 18:50:20.937 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 11 18:50:20.937 INFO [stderr] 
Dec 11 18:50:20.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 11 18:50:20.973 INFO [stderr] su: No module specific data is present
Dec 11 18:50:21.844 INFO running `"docker" "inspect" "85383791eaf384222a459ecb946ab2fe51b95f442190259b647a1e81484e6ab5"`
Dec 11 18:50:22.120 INFO running `"docker" "rm" "-f" "85383791eaf384222a459ecb946ab2fe51b95f442190259b647a1e81484e6ab5"`
Dec 11 18:50:22.434 INFO [stdout] 85383791eaf384222a459ecb946ab2fe51b95f442190259b647a1e81484e6ab5