Dec 19 17:14:58.958 INFO checking errorport/rustbeat against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:14:58.958 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:14:59.255 INFO [stdout] b07323afcfc373fdf5f6e063b11326668d680e3da4d79e1a08c905c5c2d2f9b6
Dec 19 17:14:59.258 INFO running `"docker" "start" "-a" "b07323afcfc373fdf5f6e063b11326668d680e3da4d79e1a08c905c5c2d2f9b6"`
Dec 19 17:15:00.708 INFO [stderr]     Checking deep_unknown v0.1.0 (/opt/crater/workdir)
Dec 19 17:15:01.088 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 17:15:01.088 INFO [stderr]   --> src/main.rs:18:6
Dec 19 17:15:01.088 INFO [stderr]    |
Dec 19 17:15:01.088 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 19 17:15:01.088 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 17:15:01.088 INFO [stderr]    |
Dec 19 17:15:01.088 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 17:15:01.088 INFO [stderr] 
Dec 19 17:15:01.128 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 19 17:15:01.128 INFO [stderr]   --> src/main.rs:18:6
Dec 19 17:15:01.128 INFO [stderr]    |
Dec 19 17:15:01.128 INFO [stderr] 18 |         t+=(increment[increment_index] as i64);
Dec 19 17:15:01.128 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 19 17:15:01.128 INFO [stderr]    |
Dec 19 17:15:01.128 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 19 17:15:01.128 INFO [stderr] 
Dec 19 17:15:01.148 INFO [stderr] warning: unused variable: `rng`
Dec 19 17:15:01.148 INFO [stderr]  --> src/main.rs:6:10
Dec 19 17:15:01.148 INFO [stderr]   |
Dec 19 17:15:01.148 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 19 17:15:01.148 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 19 17:15:01.148 INFO [stderr]   |
Dec 19 17:15:01.148 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 17:15:01.148 INFO [stderr] 
Dec 19 17:15:01.148 INFO [stderr] warning: value assigned to `s` is never read
Dec 19 17:15:01.148 INFO [stderr]   --> src/main.rs:32:10
Dec 19 17:15:01.148 INFO [stderr]    |
Dec 19 17:15:01.148 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 19 17:15:01.148 INFO [stderr]    |             ^
Dec 19 17:15:01.148 INFO [stderr]    |
Dec 19 17:15:01.148 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 17:15:01.148 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:15:01.148 INFO [stderr] 
Dec 19 17:15:01.148 INFO [stderr] warning: value assigned to `s` is never read
Dec 19 17:15:01.148 INFO [stderr]   --> src/main.rs:38:10
Dec 19 17:15:01.149 INFO [stderr]    |
Dec 19 17:15:01.149 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 19 17:15:01.149 INFO [stderr]    |             ^
Dec 19 17:15:01.149 INFO [stderr]    |
Dec 19 17:15:01.149 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:15:01.149 INFO [stderr] 
Dec 19 17:15:01.149 INFO [stderr] warning: value assigned to `s` is never read
Dec 19 17:15:01.149 INFO [stderr]   --> src/main.rs:44:10
Dec 19 17:15:01.149 INFO [stderr]    |
Dec 19 17:15:01.149 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 19 17:15:01.149 INFO [stderr]    |             ^
Dec 19 17:15:01.149 INFO [stderr]    |
Dec 19 17:15:01.149 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:15:01.149 INFO [stderr] 
Dec 19 17:15:01.160 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:15:01.160 INFO [stderr]  --> src/main.rs:6:6
Dec 19 17:15:01.160 INFO [stderr]   |
Dec 19 17:15:01.160 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 19 17:15:01.160 INFO [stderr]   |         ----^^^
Dec 19 17:15:01.160 INFO [stderr]   |         |
Dec 19 17:15:01.160 INFO [stderr]   |         help: remove this `mut`
Dec 19 17:15:01.160 INFO [stderr]   |
Dec 19 17:15:01.160 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 17:15:01.160 INFO [stderr] 
Dec 19 17:15:01.232 INFO [stderr] warning: unused variable: `rng`
Dec 19 17:15:01.232 INFO [stderr]  --> src/main.rs:6:10
Dec 19 17:15:01.232 INFO [stderr]   |
Dec 19 17:15:01.232 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 19 17:15:01.232 INFO [stderr]   |             ^^^ help: consider using `_rng` instead
Dec 19 17:15:01.232 INFO [stderr]   |
Dec 19 17:15:01.232 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 17:15:01.232 INFO [stderr] 
Dec 19 17:15:01.232 INFO [stderr] warning: value assigned to `s` is never read
Dec 19 17:15:01.232 INFO [stderr]   --> src/main.rs:32:10
Dec 19 17:15:01.232 INFO [stderr]    |
Dec 19 17:15:01.232 INFO [stderr] 32 |     let mut s: i64 = 0;
Dec 19 17:15:01.232 INFO [stderr]    |             ^
Dec 19 17:15:01.232 INFO [stderr]    |
Dec 19 17:15:01.232 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 17:15:01.233 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:15:01.233 INFO [stderr] 
Dec 19 17:15:01.233 INFO [stderr] warning: value assigned to `s` is never read
Dec 19 17:15:01.233 INFO [stderr]   --> src/main.rs:38:10
Dec 19 17:15:01.233 INFO [stderr]    |
Dec 19 17:15:01.233 INFO [stderr] 38 |     let mut s: i64 = 0;
Dec 19 17:15:01.233 INFO [stderr]    |             ^
Dec 19 17:15:01.233 INFO [stderr]    |
Dec 19 17:15:01.233 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:15:01.233 INFO [stderr] 
Dec 19 17:15:01.233 INFO [stderr] warning: value assigned to `s` is never read
Dec 19 17:15:01.233 INFO [stderr]   --> src/main.rs:44:10
Dec 19 17:15:01.233 INFO [stderr]    |
Dec 19 17:15:01.233 INFO [stderr] 44 |     let mut s: i64 = 0;
Dec 19 17:15:01.233 INFO [stderr]    |             ^
Dec 19 17:15:01.233 INFO [stderr]    |
Dec 19 17:15:01.233 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 17:15:01.233 INFO [stderr] 
Dec 19 17:15:01.248 INFO [stderr] warning: variable does not need to be mutable
Dec 19 17:15:01.248 INFO [stderr]  --> src/main.rs:6:6
Dec 19 17:15:01.248 INFO [stderr]   |
Dec 19 17:15:01.248 INFO [stderr] 6 |     let mut rng = thread_rng();
Dec 19 17:15:01.248 INFO [stderr]   |         ----^^^
Dec 19 17:15:01.248 INFO [stderr]   |         |
Dec 19 17:15:01.248 INFO [stderr]   |         help: remove this `mut`
Dec 19 17:15:01.248 INFO [stderr]   |
Dec 19 17:15:01.248 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 17:15:01.248 INFO [stderr] 
Dec 19 17:15:01.288 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 19 17:15:02.312 INFO running `"docker" "inspect" "b07323afcfc373fdf5f6e063b11326668d680e3da4d79e1a08c905c5c2d2f9b6"`
Dec 19 17:15:02.706 INFO running `"docker" "rm" "-f" "b07323afcfc373fdf5f6e063b11326668d680e3da4d79e1a08c905c5c2d2f9b6"`
Dec 19 17:15:03.024 INFO [stdout] b07323afcfc373fdf5f6e063b11326668d680e3da4d79e1a08c905c5c2d2f9b6