Dec 04 23:00:03.085 INFO checking ajmwagar/calc against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:00:03.085 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 23:00:03.794 INFO [stdout] ff769267c197521b50740f29402871d3c5bea33ddbfcdbcce1dc23be1befb4b9
Dec 04 23:00:03.799 INFO running `"docker" "start" "-a" "ff769267c197521b50740f29402871d3c5bea33ddbfcdbcce1dc23be1befb4b9"`
Dec 04 23:00:04.575 INFO [stderr] usermod: no changes
Dec 04 23:00:04.638 INFO [stderr]     Checking calc v0.1.0 (/source)
Dec 04 23:00:05.195 INFO [stderr] warning: unused import: `rand::prelude::*`
Dec 04 23:00:05.195 INFO [stderr]  --> src/main.rs:4:5
Dec 04 23:00:05.195 INFO [stderr]   |
Dec 04 23:00:05.195 INFO [stderr] 4 | use rand::prelude::*;
Dec 04 23:00:05.195 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 23:00:05.195 INFO [stderr]   |
Dec 04 23:00:05.195 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 23:00:05.195 INFO [stderr] 
Dec 04 23:00:05.239 INFO [stderr] warning: unused import: `rand::prelude::*`
Dec 04 23:00:05.239 INFO [stderr]  --> src/main.rs:4:5
Dec 04 23:00:05.239 INFO [stderr]   |
Dec 04 23:00:05.239 INFO [stderr] 4 | use rand::prelude::*;
Dec 04 23:00:05.239 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 23:00:05.239 INFO [stderr]   |
Dec 04 23:00:05.239 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 23:00:05.239 INFO [stderr] 
Dec 04 23:00:05.239 INFO [stderr] warning: unreachable statement
Dec 04 23:00:05.239 INFO [stderr]    --> src/main.rs:11:29
Dec 04 23:00:05.239 INFO [stderr]     |
Dec 04 23:00:05.239 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 04 23:00:05.239 INFO [stderr]     |                             ^^^^^^
Dec 04 23:00:05.239 INFO [stderr] ...
Dec 04 23:00:05.239 INFO [stderr] 138 |         "Cleared!" => block!({ break; }),
Dec 04 23:00:05.239 INFO [stderr]     |                       ------------------ in this macro invocation
Dec 04 23:00:05.239 INFO [stderr]     |
Dec 04 23:00:05.239 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 04 23:00:05.239 INFO [stderr] 
Dec 04 23:00:05.239 INFO [stderr] warning: unreachable statement
Dec 04 23:00:05.239 INFO [stderr]    --> src/main.rs:11:29
Dec 04 23:00:05.239 INFO [stderr]     |
Dec 04 23:00:05.239 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 04 23:00:05.239 INFO [stderr]     |                             ^^^^^^
Dec 04 23:00:05.239 INFO [stderr] ...
Dec 04 23:00:05.239 INFO [stderr] 140 |         "Goodbye!" => block!({ break; }),
Dec 04 23:00:05.239 INFO [stderr]     |                       ------------------ in this macro invocation
Dec 04 23:00:05.239 INFO [stderr] 
Dec 04 23:00:05.239 INFO [stderr] warning: unreachable statement
Dec 04 23:00:05.239 INFO [stderr]    --> src/main.rs:11:29
Dec 04 23:00:05.239 INFO [stderr]     |
Dec 04 23:00:05.239 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 04 23:00:05.240 INFO [stderr]     |                             ^^^^^^
Dec 04 23:00:05.240 INFO [stderr] ...
Dec 04 23:00:05.240 INFO [stderr] 142 |         "Please enter a valid expression." => block!({ break; }),
Dec 04 23:00:05.240 INFO [stderr]     |                                               ------------------ in this macro invocation
Dec 04 23:00:05.240 INFO [stderr] 
Dec 04 23:00:05.275 INFO [stderr] warning: unreachable statement
Dec 04 23:00:05.275 INFO [stderr]    --> src/main.rs:218:5
Dec 04 23:00:05.275 INFO [stderr]     |
Dec 04 23:00:05.275 INFO [stderr] 218 |     return "Goodbye!".to_string();
Dec 04 23:00:05.275 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:00:05.275 INFO [stderr] 
Dec 04 23:00:05.283 INFO [stderr] warning: unreachable statement
Dec 04 23:00:05.283 INFO [stderr]    --> src/main.rs:11:29
Dec 04 23:00:05.283 INFO [stderr]     |
Dec 04 23:00:05.283 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 04 23:00:05.283 INFO [stderr]     |                             ^^^^^^
Dec 04 23:00:05.283 INFO [stderr] ...
Dec 04 23:00:05.283 INFO [stderr] 138 |         "Cleared!" => block!({ break; }),
Dec 04 23:00:05.283 INFO [stderr]     |                       ------------------ in this macro invocation
Dec 04 23:00:05.283 INFO [stderr]     |
Dec 04 23:00:05.283 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Dec 04 23:00:05.283 INFO [stderr] 
Dec 04 23:00:05.283 INFO [stderr] warning: unreachable statement
Dec 04 23:00:05.283 INFO [stderr]    --> src/main.rs:11:29
Dec 04 23:00:05.283 INFO [stderr]     |
Dec 04 23:00:05.283 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 04 23:00:05.283 INFO [stderr]     |                             ^^^^^^
Dec 04 23:00:05.283 INFO [stderr] ...
Dec 04 23:00:05.283 INFO [stderr] 140 |         "Goodbye!" => block!({ break; }),
Dec 04 23:00:05.283 INFO [stderr]     |                       ------------------ in this macro invocation
Dec 04 23:00:05.283 INFO [stderr] 
Dec 04 23:00:05.283 INFO [stderr] warning: unreachable statement
Dec 04 23:00:05.283 INFO [stderr]    --> src/main.rs:11:29
Dec 04 23:00:05.283 INFO [stderr]     |
Dec 04 23:00:05.283 INFO [stderr] 11  |         loop { let _ = $xs; break; }
Dec 04 23:00:05.283 INFO [stderr]     |                             ^^^^^^
Dec 04 23:00:05.283 INFO [stderr] ...
Dec 04 23:00:05.283 INFO [stderr] 142 |         "Please enter a valid expression." => block!({ break; }),
Dec 04 23:00:05.283 INFO [stderr]     |                                               ------------------ in this macro invocation
Dec 04 23:00:05.283 INFO [stderr] 
Dec 04 23:00:05.287 INFO [stderr] warning: unused variable: `string_help`
Dec 04 23:00:05.287 INFO [stderr]    --> src/main.rs:132:9
Dec 04 23:00:05.287 INFO [stderr]     |
Dec 04 23:00:05.287 INFO [stderr] 132 |     let string_help = HELP.to_string();
Dec 04 23:00:05.287 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_string_help` instead
Dec 04 23:00:05.287 INFO [stderr]     |
Dec 04 23:00:05.287 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 23:00:05.287 INFO [stderr] 
Dec 04 23:00:05.287 INFO [stderr] warning: unused variable: `print`
Dec 04 23:00:05.287 INFO [stderr]    --> src/main.rs:135:9
Dec 04 23:00:05.287 INFO [stderr]     |
Dec 04 23:00:05.287 INFO [stderr] 135 |     let print: bool;
Dec 04 23:00:05.287 INFO [stderr]     |         ^^^^^ help: consider using `_print` instead
Dec 04 23:00:05.287 INFO [stderr] 
Dec 04 23:00:05.311 INFO [stderr] warning: variable does not need to be mutable
Dec 04 23:00:05.311 INFO [stderr]    --> src/main.rs:160:21
Dec 04 23:00:05.311 INFO [stderr]     |
Dec 04 23:00:05.311 INFO [stderr] 160 | fn parse(s: String, mut ans: f64) -> String {
Dec 04 23:00:05.311 INFO [stderr]     |                     ----^^^
Dec 04 23:00:05.311 INFO [stderr]     |                     |
Dec 04 23:00:05.311 INFO [stderr]     |                     help: remove this `mut`
Dec 04 23:00:05.311 INFO [stderr]     |
Dec 04 23:00:05.311 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 23:00:05.311 INFO [stderr] 
Dec 04 23:00:05.327 INFO [stderr] warning: unreachable statement
Dec 04 23:00:05.327 INFO [stderr]    --> src/main.rs:218:5
Dec 04 23:00:05.327 INFO [stderr]     |
Dec 04 23:00:05.327 INFO [stderr] 218 |     return "Goodbye!".to_string();
Dec 04 23:00:05.327 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:00:05.327 INFO [stderr] 
Dec 04 23:00:05.347 INFO [stderr] warning: unused variable: `string_help`
Dec 04 23:00:05.347 INFO [stderr]    --> src/main.rs:132:9
Dec 04 23:00:05.347 INFO [stderr]     |
Dec 04 23:00:05.347 INFO [stderr] 132 |     let string_help = HELP.to_string();
Dec 04 23:00:05.347 INFO [stderr]     |         ^^^^^^^^^^^ help: consider using `_string_help` instead
Dec 04 23:00:05.347 INFO [stderr]     |
Dec 04 23:00:05.347 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 23:00:05.347 INFO [stderr] 
Dec 04 23:00:05.347 INFO [stderr] warning: unused variable: `print`
Dec 04 23:00:05.347 INFO [stderr]    --> src/main.rs:135:9
Dec 04 23:00:05.347 INFO [stderr]     |
Dec 04 23:00:05.347 INFO [stderr] 135 |     let print: bool;
Dec 04 23:00:05.347 INFO [stderr]     |         ^^^^^ help: consider using `_print` instead
Dec 04 23:00:05.347 INFO [stderr] 
Dec 04 23:00:05.355 INFO [stderr] warning: variable does not need to be mutable
Dec 04 23:00:05.355 INFO [stderr]    --> src/main.rs:160:21
Dec 04 23:00:05.355 INFO [stderr]     |
Dec 04 23:00:05.355 INFO [stderr] 160 | fn parse(s: String, mut ans: f64) -> String {
Dec 04 23:00:05.355 INFO [stderr]     |                     ----^^^
Dec 04 23:00:05.355 INFO [stderr]     |                     |
Dec 04 23:00:05.355 INFO [stderr]     |                     help: remove this `mut`
Dec 04 23:00:05.355 INFO [stderr]     |
Dec 04 23:00:05.355 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 23:00:05.355 INFO [stderr] 
Dec 04 23:00:05.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 04 23:00:05.390 INFO [stderr] su: No module specific data is present
Dec 04 23:00:05.836 INFO running `"docker" "inspect" "ff769267c197521b50740f29402871d3c5bea33ddbfcdbcce1dc23be1befb4b9"`
Dec 04 23:00:06.093 INFO running `"docker" "rm" "-f" "ff769267c197521b50740f29402871d3c5bea33ddbfcdbcce1dc23be1befb4b9"`
Dec 04 23:00:06.286 INFO [stdout] ff769267c197521b50740f29402871d3c5bea33ddbfcdbcce1dc23be1befb4b9