Dec 18 00:34:50.293 INFO checking errorport/rustbeat against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:34:50.293 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/errorport/rustbeat:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:34:50.709 INFO [stdout] 9ed39d79db690bd6fb13209ad26bfc9826d56edfd36a5327a5695a304c59fae3
Dec 18 00:34:50.711 INFO running `"docker" "start" "-a" "9ed39d79db690bd6fb13209ad26bfc9826d56edfd36a5327a5695a304c59fae3"`
Dec 18 00:34:52.431 INFO [stderr]     Checking deep_unknown v0.1.0 (/opt/crater/workdir)
Dec 18 00:34:52.685 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 18 00:34:52.685 INFO [stderr]   --> src/main.rs:18:6
Dec 18 00:34:52.685 INFO [stderr]    |
Dec 18 00:34:52.685 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 18 00:34:52.685 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 00:34:52.685 INFO [stderr]    |
Dec 18 00:34:52.685 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 00:34:52.692 INFO [stderr] 
Dec 18 00:34:52.724 INFO [stderr] warning: unused variable: `rng`
Dec 18 00:34:52.724 INFO [stderr]  --> src/main.rs:6:10
Dec 18 00:34:52.724 INFO [stderr]   |
Dec 18 00:34:52.724 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 18 00:34:52.725 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 18 00:34:52.725 INFO [stderr]   |
Dec 18 00:34:52.725 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 00:34:52.725 INFO [stderr] 
Dec 18 00:34:52.725 INFO [stderr] warning: value assigned to `s` is never read
Dec 18 00:34:52.725 INFO [stderr]   --> src/main.rs:32:10
Dec 18 00:34:52.725 INFO [stderr]    |
Dec 18 00:34:52.725 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 18 00:34:52.725 INFO [stderr]    |             ^
Dec 18 00:34:52.725 INFO [stderr]    |
Dec 18 00:34:52.725 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 00:34:52.725 INFO [stderr] 
Dec 18 00:34:52.725 INFO [stderr] warning: value assigned to `s` is never read
Dec 18 00:34:52.725 INFO [stderr]   --> src/main.rs:38:10
Dec 18 00:34:52.725 INFO [stderr]    |
Dec 18 00:34:52.725 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 18 00:34:52.725 INFO [stderr]    |             ^
Dec 18 00:34:52.725 INFO [stderr] 
Dec 18 00:34:52.725 INFO [stderr] warning: value assigned to `s` is never read
Dec 18 00:34:52.725 INFO [stderr]   --> src/main.rs:44:10
Dec 18 00:34:52.725 INFO [stderr]    |
Dec 18 00:34:52.725 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 18 00:34:52.725 INFO [stderr]    |             ^
Dec 18 00:34:52.725 INFO [stderr] 
Dec 18 00:34:52.727 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:34:52.727 INFO [stderr]  --> src/main.rs:6:6
Dec 18 00:34:52.727 INFO [stderr]   |
Dec 18 00:34:52.727 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 18 00:34:52.728 INFO [stderr]   |         ----^^^
Dec 18 00:34:52.728 INFO [stderr]   |         |
Dec 18 00:34:52.728 INFO [stderr]   |         help: remove this `mut`
Dec 18 00:34:52.728 INFO [stderr]   |
Dec 18 00:34:52.728 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 00:34:52.728 INFO [stderr] 
Dec 18 00:34:52.824 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 18 00:34:52.824 INFO [stderr]   --> src/main.rs:18:6
Dec 18 00:34:52.824 INFO [stderr]    |
Dec 18 00:34:52.824 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 18 00:34:52.824 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 00:34:52.824 INFO [stderr]    |
Dec 18 00:34:52.824 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 18 00:34:52.824 INFO [stderr] 
Dec 18 00:34:52.888 INFO [stderr] warning: unused variable: `rng`
Dec 18 00:34:52.888 INFO [stderr]  --> src/main.rs:6:10
Dec 18 00:34:52.889 INFO [stderr]   |
Dec 18 00:34:52.889 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 18 00:34:52.889 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 18 00:34:52.889 INFO [stderr]   |
Dec 18 00:34:52.889 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 00:34:52.890 INFO [stderr] 
Dec 18 00:34:52.890 INFO [stderr] warning: value assigned to `s` is never read
Dec 18 00:34:52.890 INFO [stderr]   --> src/main.rs:32:10
Dec 18 00:34:52.890 INFO [stderr]    |
Dec 18 00:34:52.890 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 18 00:34:52.890 INFO [stderr]    |             ^
Dec 18 00:34:52.890 INFO [stderr]    |
Dec 18 00:34:52.890 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 18 00:34:52.890 INFO [stderr] 
Dec 18 00:34:52.890 INFO [stderr] warning: value assigned to `s` is never read
Dec 18 00:34:52.890 INFO [stderr]   --> src/main.rs:38:10
Dec 18 00:34:52.890 INFO [stderr]    |
Dec 18 00:34:52.890 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 18 00:34:52.890 INFO [stderr]    |             ^
Dec 18 00:34:52.890 INFO [stderr] 
Dec 18 00:34:52.892 INFO [stderr] warning: value assigned to `s` is never read
Dec 18 00:34:52.893 INFO [stderr]   --> src/main.rs:44:10
Dec 18 00:34:52.893 INFO [stderr]    |
Dec 18 00:34:52.893 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 18 00:34:52.893 INFO [stderr]    |             ^
Dec 18 00:34:52.893 INFO [stderr] 
Dec 18 00:34:52.893 INFO [stderr] warning: variable does not need to be mutable
Dec 18 00:34:52.893 INFO [stderr]  --> src/main.rs:6:6
Dec 18 00:34:52.893 INFO [stderr]   |
Dec 18 00:34:52.894 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 18 00:34:52.894 INFO [stderr]   |         ----^^^
Dec 18 00:34:52.894 INFO [stderr]   |         |
Dec 18 00:34:52.894 INFO [stderr]   |         help: remove this `mut`
Dec 18 00:34:52.894 INFO [stderr]   |
Dec 18 00:34:52.898 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 00:34:52.898 INFO [stderr] 
Dec 18 00:34:52.934 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 18 00:34:53.687 INFO running `"docker" "inspect" "9ed39d79db690bd6fb13209ad26bfc9826d56edfd36a5327a5695a304c59fae3"`
Dec 18 00:34:53.918 INFO running `"docker" "rm" "-f" "9ed39d79db690bd6fb13209ad26bfc9826d56edfd36a5327a5695a304c59fae3"`
Dec 18 00:34:54.228 INFO [stdout] 9ed39d79db690bd6fb13209ad26bfc9826d56edfd36a5327a5695a304c59fae3