Dec 19 20:53:20.581 INFO checking ajmwagar/calc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 20:53:20.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ajmwagar/calc:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:53:21.024 INFO [stdout] d9202b096569f8c11d6de04c65bc9a2d473a231c4637755dc6de3f3bc6838ad8
Dec 19 20:53:21.030 INFO running `"docker" "start" "-a" "d9202b096569f8c11d6de04c65bc9a2d473a231c4637755dc6de3f3bc6838ad8"`
Dec 19 20:53:23.196 INFO [stderr]     Checking calc v0.1.0 (/opt/crater/workdir)
Dec 19 20:53:23.568 INFO [stderr] warning: unused import: `rand::prelude::*`
Dec 19 20:53:23.568 INFO [stderr]  --> src/main.rs:4:5
Dec 19 20:53:23.568 INFO [stderr]   |
Dec 19 20:53:23.568 INFO [stderr] 4 | use rand::prelude::*;
Dec 19 20:53:23.568 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 20:53:23.568 INFO [stderr]   |
Dec 19 20:53:23.568 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:53:23.568 INFO [stderr] 
Dec 19 20:53:23.608 INFO [stderr] warning: unused import: `rand::prelude::*`
Dec 19 20:53:23.608 INFO [stderr]  --> src/main.rs:4:5
Dec 19 20:53:23.608 INFO [stderr]   |
Dec 19 20:53:23.608 INFO [stderr] 4 | use rand::prelude::*;
Dec 19 20:53:23.608 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 20:53:23.608 INFO [stderr]   |
Dec 19 20:53:23.608 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 20:53:23.608 INFO [stderr] 
Dec 19 20:53:23.624 INFO [stderr] warning: unreachable statement
Dec 19 20:53:23.624 INFO [stderr]    --> src/main.rs:11:29
Dec 19 20:53:23.624 INFO [stderr]     |
Dec 19 20:53:23.624 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 19 20:53:23.624 INFO [stderr]     |                             ^^^^^^
Dec 19 20:53:23.624 INFO [stderr] ...
Dec 19 20:53:23.624 INFO [stderr] 138 |         "Cleared!" => block!({ break; }),
Dec 19 20:53:23.624 INFO [stderr]     |                       ------------------ in this macro invocation
Dec 19 20:53:23.624 INFO [stderr]     |
Dec 19 20:53:23.624 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 19 20:53:23.624 INFO [stderr] 
Dec 19 20:53:23.624 INFO [stderr] warning: unreachable statement
Dec 19 20:53:23.624 INFO [stderr]    --> src/main.rs:11:29
Dec 19 20:53:23.624 INFO [stderr]     |
Dec 19 20:53:23.624 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 19 20:53:23.624 INFO [stderr]     |                             ^^^^^^
Dec 19 20:53:23.624 INFO [stderr] ...
Dec 19 20:53:23.624 INFO [stderr] 140 |         "Goodbye!" => block!({ break; }),
Dec 19 20:53:23.624 INFO [stderr]     |                       ------------------ in this macro invocation
Dec 19 20:53:23.624 INFO [stderr] 
Dec 19 20:53:23.624 INFO [stderr] warning: unreachable statement
Dec 19 20:53:23.624 INFO [stderr]    --> src/main.rs:11:29
Dec 19 20:53:23.624 INFO [stderr]     |
Dec 19 20:53:23.624 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 19 20:53:23.625 INFO [stderr]     |                             ^^^^^^
Dec 19 20:53:23.625 INFO [stderr] ...
Dec 19 20:53:23.625 INFO [stderr] 142 |         "Please enter a valid expression." => block!({ break; }),
Dec 19 20:53:23.625 INFO [stderr]     |                                               ------------------ in this macro invocation
Dec 19 20:53:23.625 INFO [stderr] 
Dec 19 20:53:23.636 INFO [stderr] warning: unreachable statement
Dec 19 20:53:23.636 INFO [stderr]    --> src/main.rs:11:29
Dec 19 20:53:23.636 INFO [stderr]     |
Dec 19 20:53:23.636 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 19 20:53:23.636 INFO [stderr]     |                             ^^^^^^
Dec 19 20:53:23.636 INFO [stderr] ...
Dec 19 20:53:23.636 INFO [stderr] 138 |         "Cleared!" => block!({ break; }),
Dec 19 20:53:23.636 INFO [stderr]     |                       ------------------ in this macro invocation
Dec 19 20:53:23.636 INFO [stderr]     |
Dec 19 20:53:23.636 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 19 20:53:23.636 INFO [stderr] 
Dec 19 20:53:23.636 INFO [stderr] warning: unreachable statement
Dec 19 20:53:23.636 INFO [stderr]    --> src/main.rs:11:29
Dec 19 20:53:23.636 INFO [stderr]     |
Dec 19 20:53:23.636 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 19 20:53:23.636 INFO [stderr]     |                             ^^^^^^
Dec 19 20:53:23.636 INFO [stderr] ...
Dec 19 20:53:23.636 INFO [stderr] 140 |         "Goodbye!" => block!({ break; }),
Dec 19 20:53:23.636 INFO [stderr]     |                       ------------------ in this macro invocation
Dec 19 20:53:23.636 INFO [stderr] 
Dec 19 20:53:23.636 INFO [stderr] warning: unreachable statement
Dec 19 20:53:23.636 INFO [stderr]    --> src/main.rs:11:29
Dec 19 20:53:23.636 INFO [stderr]     |
Dec 19 20:53:23.636 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 19 20:53:23.636 INFO [stderr]     |                             ^^^^^^
Dec 19 20:53:23.636 INFO [stderr] ...
Dec 19 20:53:23.636 INFO [stderr] 142 |         "Please enter a valid expression." => block!({ break; }),
Dec 19 20:53:23.636 INFO [stderr]     |                                               ------------------ in this macro invocation
Dec 19 20:53:23.637 INFO [stderr] 
Dec 19 20:53:23.656 INFO [stderr] warning: unreachable statement
Dec 19 20:53:23.656 INFO [stderr]    --> src/main.rs:218:5
Dec 19 20:53:23.656 INFO [stderr]     |
Dec 19 20:53:23.656 INFO [stderr] 218 |     return "Goodbye!".to_string();
Dec 19 20:53:23.656 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:53:23.656 INFO [stderr] 
Dec 19 20:53:23.660 INFO [stderr] warning: unreachable statement
Dec 19 20:53:23.660 INFO [stderr]    --> src/main.rs:218:5
Dec 19 20:53:23.660 INFO [stderr]     |
Dec 19 20:53:23.660 INFO [stderr] 218 |     return "Goodbye!".to_string();
Dec 19 20:53:23.660 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:53:23.660 INFO [stderr] 
Dec 19 20:53:23.672 INFO [stderr] warning: unused variable: `string_help`
Dec 19 20:53:23.672 INFO [stderr]    --> src/main.rs:132:9
Dec 19 20:53:23.672 INFO [stderr]     |
Dec 19 20:53:23.672 INFO [stderr] 132 |     let string_help = HELP.to_string();
Dec 19 20:53:23.672 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_string_help` instead
Dec 19 20:53:23.672 INFO [stderr]     |
Dec 19 20:53:23.672 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 20:53:23.672 INFO [stderr] 
Dec 19 20:53:23.672 INFO [stderr] warning: unused variable: `print`
Dec 19 20:53:23.672 INFO [stderr]    --> src/main.rs:135:9
Dec 19 20:53:23.672 INFO [stderr]     |
Dec 19 20:53:23.672 INFO [stderr] 135 |     let print: bool;
Dec 19 20:53:23.672 INFO [stderr]     |         ^^^^^ help: consider using `_print` instead
Dec 19 20:53:23.672 INFO [stderr] 
Dec 19 20:53:23.672 INFO [stderr] warning: unused variable: `string_help`
Dec 19 20:53:23.672 INFO [stderr]    --> src/main.rs:132:9
Dec 19 20:53:23.672 INFO [stderr]     |
Dec 19 20:53:23.672 INFO [stderr] 132 |     let string_help = HELP.to_string();
Dec 19 20:53:23.672 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_string_help` instead
Dec 19 20:53:23.672 INFO [stderr]     |
Dec 19 20:53:23.672 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 20:53:23.672 INFO [stderr] 
Dec 19 20:53:23.673 INFO [stderr] warning: unused variable: `print`
Dec 19 20:53:23.673 INFO [stderr]    --> src/main.rs:135:9
Dec 19 20:53:23.673 INFO [stderr]     |
Dec 19 20:53:23.673 INFO [stderr] 135 |     let print: bool;
Dec 19 20:53:23.673 INFO [stderr]     |         ^^^^^ help: consider using `_print` instead
Dec 19 20:53:23.673 INFO [stderr] 
Dec 19 20:53:23.688 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:53:23.688 INFO [stderr]    --> src/main.rs:160:21
Dec 19 20:53:23.688 INFO [stderr]     |
Dec 19 20:53:23.688 INFO [stderr] 160 | fn parse(s: String, mut ans: f64) -> String {
Dec 19 20:53:23.688 INFO [stderr]     |                     ----^^^
Dec 19 20:53:23.688 INFO [stderr]     |                     |
Dec 19 20:53:23.688 INFO [stderr]     |                     help: remove this `mut`
Dec 19 20:53:23.688 INFO [stderr]     |
Dec 19 20:53:23.688 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:53:23.688 INFO [stderr] 
Dec 19 20:53:23.689 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:53:23.689 INFO [stderr]    --> src/main.rs:160:21
Dec 19 20:53:23.689 INFO [stderr]     |
Dec 19 20:53:23.689 INFO [stderr] 160 | fn parse(s: String, mut ans: f64) -> String {
Dec 19 20:53:23.689 INFO [stderr]     |                     ----^^^
Dec 19 20:53:23.689 INFO [stderr]     |                     |
Dec 19 20:53:23.689 INFO [stderr]     |                     help: remove this `mut`
Dec 19 20:53:23.689 INFO [stderr]     |
Dec 19 20:53:23.689 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:53:23.689 INFO [stderr] 
Dec 19 20:53:23.772 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 19 20:53:25.044 INFO running `"docker" "inspect" "d9202b096569f8c11d6de04c65bc9a2d473a231c4637755dc6de3f3bc6838ad8"`
Dec 19 20:53:25.374 INFO running `"docker" "rm" "-f" "d9202b096569f8c11d6de04c65bc9a2d473a231c4637755dc6de3f3bc6838ad8"`
Dec 19 20:53:25.748 INFO [stdout] d9202b096569f8c11d6de04c65bc9a2d473a231c4637755dc6de3f3bc6838ad8