Dec 04 19:03:27.954 INFO checking errorport/rustbeat against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:03:27.955 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 19:03:28.886 INFO [stdout] 702dab8de7cc04b63c38f36bba7d4bff82548186debfbbc419869126bea50a4c
Dec 04 19:03:28.888 INFO running `"docker" "start" "-a" "702dab8de7cc04b63c38f36bba7d4bff82548186debfbbc419869126bea50a4c"`
Dec 04 19:03:31.667 INFO [stderr] usermod: no changes
Dec 04 19:03:31.739 INFO [stderr]     Checking deep_unknown v0.1.0 (/source)
Dec 04 19:03:32.387 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 19:03:32.387 INFO [stderr]   --> src/main.rs:18:6
Dec 04 19:03:32.387 INFO [stderr]    |
Dec 04 19:03:32.387 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 04 19:03:32.387 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 19:03:32.387 INFO [stderr]    |
Dec 04 19:03:32.387 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 19:03:32.387 INFO [stderr] 
Dec 04 19:03:32.467 INFO [stderr] warning: unused variable: `rng`
Dec 04 19:03:32.467 INFO [stderr]  --> src/main.rs:6:10
Dec 04 19:03:32.467 INFO [stderr]   |
Dec 04 19:03:32.467 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 04 19:03:32.467 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 04 19:03:32.499 INFO [stderr]   |
Dec 04 19:03:32.499 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 19:03:32.499 INFO [stderr] 
Dec 04 19:03:32.499 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:32.499 INFO [stderr]   --> src/main.rs:32:10
Dec 04 19:03:32.499 INFO [stderr]    |
Dec 04 19:03:32.499 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 04 19:03:32.499 INFO [stderr]    |             ^
Dec 04 19:03:32.499 INFO [stderr]    |
Dec 04 19:03:32.499 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 19:03:32.499 INFO [stderr] 
Dec 04 19:03:32.499 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:32.499 INFO [stderr]   --> src/main.rs:38:10
Dec 04 19:03:32.499 INFO [stderr]    |
Dec 04 19:03:32.499 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 04 19:03:32.499 INFO [stderr]    |             ^
Dec 04 19:03:32.499 INFO [stderr] 
Dec 04 19:03:32.499 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:32.499 INFO [stderr]   --> src/main.rs:44:10
Dec 04 19:03:32.499 INFO [stderr]    |
Dec 04 19:03:32.499 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 04 19:03:32.499 INFO [stderr]    |             ^
Dec 04 19:03:32.499 INFO [stderr] 
Dec 04 19:03:32.499 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:03:32.499 INFO [stderr]  --> src/main.rs:6:6
Dec 04 19:03:32.499 INFO [stderr]   |
Dec 04 19:03:32.499 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 04 19:03:32.499 INFO [stderr]   |         ----^^^
Dec 04 19:03:32.499 INFO [stderr]   |         |
Dec 04 19:03:32.499 INFO [stderr]   |         help: remove this `mut`
Dec 04 19:03:32.499 INFO [stderr]   |
Dec 04 19:03:32.499 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 19:03:32.499 INFO [stderr] 
Dec 04 19:03:32.595 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 04 19:03:32.595 INFO [stderr]   --> src/main.rs:18:6
Dec 04 19:03:32.595 INFO [stderr]    |
Dec 04 19:03:32.595 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 04 19:03:32.595 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 19:03:32.595 INFO [stderr]    |
Dec 04 19:03:32.595 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 04 19:03:32.595 INFO [stderr] 
Dec 04 19:03:32.682 INFO [stderr] warning: unused variable: `rng`
Dec 04 19:03:32.682 INFO [stderr]  --> src/main.rs:6:10
Dec 04 19:03:32.682 INFO [stderr]   |
Dec 04 19:03:32.682 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 04 19:03:32.682 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 04 19:03:32.682 INFO [stderr]   |
Dec 04 19:03:32.682 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 19:03:32.682 INFO [stderr] 
Dec 04 19:03:32.682 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:32.682 INFO [stderr]   --> src/main.rs:32:10
Dec 04 19:03:32.682 INFO [stderr]    |
Dec 04 19:03:32.682 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 04 19:03:32.682 INFO [stderr]    |             ^
Dec 04 19:03:32.682 INFO [stderr]    |
Dec 04 19:03:32.682 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 19:03:32.682 INFO [stderr] 
Dec 04 19:03:32.682 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:32.682 INFO [stderr]   --> src/main.rs:38:10
Dec 04 19:03:32.682 INFO [stderr]    |
Dec 04 19:03:32.682 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 04 19:03:32.682 INFO [stderr]    |             ^
Dec 04 19:03:32.682 INFO [stderr] 
Dec 04 19:03:32.682 INFO [stderr] warning: value assigned to `s` is never read
Dec 04 19:03:32.682 INFO [stderr]   --> src/main.rs:44:10
Dec 04 19:03:32.682 INFO [stderr]    |
Dec 04 19:03:32.682 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 04 19:03:32.682 INFO [stderr]    |             ^
Dec 04 19:03:32.682 INFO [stderr] 
Dec 04 19:03:32.687 INFO [stderr] warning: variable does not need to be mutable
Dec 04 19:03:32.687 INFO [stderr]  --> src/main.rs:6:6
Dec 04 19:03:32.687 INFO [stderr]   |
Dec 04 19:03:32.687 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 04 19:03:32.687 INFO [stderr]   |         ----^^^
Dec 04 19:03:32.687 INFO [stderr]   |         |
Dec 04 19:03:32.687 INFO [stderr]   |         help: remove this `mut`
Dec 04 19:03:32.687 INFO [stderr]   |
Dec 04 19:03:32.687 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 19:03:32.687 INFO [stderr] 
Dec 04 19:03:32.742 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 04 19:03:32.751 INFO [stderr] su: No module specific data is present
Dec 04 19:03:33.709 INFO running `"docker" "inspect" "702dab8de7cc04b63c38f36bba7d4bff82548186debfbbc419869126bea50a4c"`
Dec 04 19:03:34.144 INFO running `"docker" "rm" "-f" "702dab8de7cc04b63c38f36bba7d4bff82548186debfbbc419869126bea50a4c"`
Dec 04 19:03:34.563 INFO [stdout] 702dab8de7cc04b63c38f36bba7d4bff82548186debfbbc419869126bea50a4c