[INFO] updating cached repository ajmwagar/calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajmwagar/calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/calc" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ajmwagar/calc"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ajmwagar/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/calc" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ajmwagar/calc"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ajmwagar/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e2d1035d0a00c36c97a4a8fd3167ab5678f5a59
[INFO] sha for GitHub repo ajmwagar/calc: 5e2d1035d0a00c36c97a4a8fd3167ab5678f5a59
[INFO] validating manifest of ajmwagar/calc on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ajmwagar/calc on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ajmwagar/calc
[INFO] finished frobbing ajmwagar/calc
[INFO] frobbed toml for ajmwagar/calc written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/ajmwagar/calc/Cargo.toml
[INFO] started frobbing ajmwagar/calc
[INFO] finished frobbing ajmwagar/calc
[INFO] frobbed toml for ajmwagar/calc written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/ajmwagar/calc/Cargo.toml
[INFO] crate ajmwagar/calc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ajmwagar/calc against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8c3c9487548bb175273de32d63293991327c6f2537b39faafcfbc69a2f25a6f2
[INFO] running `"docker" "start" "-a" "8c3c9487548bb175273de32d63293991327c6f2537b39faafcfbc69a2f25a6f2"`
[INFO] [stderr]     Checking calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:11:29
[INFO] [stderr]     |
[INFO] [stderr] 11  |         loop { let _ = $xs; break; }
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 138 |         "Cleared!" => block!({ break; }),
[INFO] [stderr]     |                       ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:11:29
[INFO] [stderr]     |
[INFO] [stderr] 11  |         loop { let _ = $xs; break; }
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 140 |         "Goodbye!" => block!({ break; }),
[INFO] [stderr]     |                       ------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:11:29
[INFO] [stderr]     |
[INFO] [stderr] 11  |         loop { let _ = $xs; break; }
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 |         "Please enter a valid expression." => block!({ break; }),
[INFO] [stderr]     |                                               ------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     return "Goodbye!".to_string();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:11:29
[INFO] [stderr]     |
[INFO] [stderr] 11  |         loop { let _ = $xs; break; }
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 138 |         "Cleared!" => block!({ break; }),
[INFO] [stderr]     |                       ------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:11:29
[INFO] [stderr]     |
[INFO] [stderr] 11  |         loop { let _ = $xs; break; }
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 140 |         "Goodbye!" => block!({ break; }),
[INFO] [stderr]     |                       ------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:11:29
[INFO] [stderr]     |
[INFO] [stderr] 11  |         loop { let _ = $xs; break; }
[INFO] [stderr]     |                             ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 |         "Please enter a valid expression." => block!({ break; }),
[INFO] [stderr]     |                                               ------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string_help`
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let string_help = HELP.to_string();
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_string_help`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `print`
[INFO] [stderr]    --> src/main.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     let print: bool;
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_print`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 |     return "Goodbye!".to_string();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `string_help`
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let string_help = HELP.to_string();
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_string_help`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `print`
[INFO] [stderr]    --> src/main.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     let print: bool;
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_print`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn parse(s: String, mut ans: f64) -> String {
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn parse(s: String, mut ans: f64) -> String {
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "8c3c9487548bb175273de32d63293991327c6f2537b39faafcfbc69a2f25a6f2"`
[INFO] running `"docker" "rm" "-f" "8c3c9487548bb175273de32d63293991327c6f2537b39faafcfbc69a2f25a6f2"`
[INFO] [stdout] 8c3c9487548bb175273de32d63293991327c6f2537b39faafcfbc69a2f25a6f2