Dec 18 05:27:30.161 INFO checking Shyclops/calculator against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:27:30.161 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Shyclops/calculator:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:27:30.668 INFO [stdout] 6bc6305a296e9391de09b2eead007cc402a5f02f656e4bedfb258914064e74d2
Dec 18 05:27:30.670 INFO running `"docker" "start" "-a" "6bc6305a296e9391de09b2eead007cc402a5f02f656e4bedfb258914064e74d2"`
Dec 18 05:27:33.451 INFO [stderr]     Checking calculator v0.1.0 (/opt/crater/workdir)
Dec 18 05:27:34.082 INFO [stderr] warning: unused variable: `operators`
Dec 18 05:27:34.082 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Dec 18 05:27:34.082 INFO [stderr]    |
Dec 18 05:27:34.083 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 18 05:27:34.083 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Dec 18 05:27:34.083 INFO [stderr]    |
Dec 18 05:27:34.083 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:27:34.083 INFO [stderr] 
Dec 18 05:27:34.083 INFO [stderr] warning: unused variable: `o`
Dec 18 05:27:34.083 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Dec 18 05:27:34.084 INFO [stderr]    |
Dec 18 05:27:34.084 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Dec 18 05:27:34.084 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Dec 18 05:27:34.084 INFO [stderr] 
Dec 18 05:27:34.084 INFO [stderr] warning: unused variable: `v`
Dec 18 05:27:34.084 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Dec 18 05:27:34.084 INFO [stderr]    |
Dec 18 05:27:34.085 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Dec 18 05:27:34.085 INFO [stderr]    |                             ^ help: consider using `_v` instead
Dec 18 05:27:34.085 INFO [stderr] 
Dec 18 05:27:34.101 INFO [stderr] warning: unused variable: `operator`
Dec 18 05:27:34.101 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Dec 18 05:27:34.101 INFO [stderr]    |
Dec 18 05:27:34.101 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 18 05:27:34.101 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Dec 18 05:27:34.101 INFO [stderr] 
Dec 18 05:27:34.108 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:27:34.109 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Dec 18 05:27:34.109 INFO [stderr]    |
Dec 18 05:27:34.109 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 18 05:27:34.109 INFO [stderr]    |         ----^^^^^^^^^
Dec 18 05:27:34.109 INFO [stderr]    |         |
Dec 18 05:27:34.109 INFO [stderr]    |         help: remove this `mut`
Dec 18 05:27:34.109 INFO [stderr]    |
Dec 18 05:27:34.110 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:27:34.110 INFO [stderr] 
Dec 18 05:27:34.116 INFO [stderr] warning: function is never used: `get_precedence`
Dec 18 05:27:34.116 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Dec 18 05:27:34.117 INFO [stderr]    |
Dec 18 05:27:34.117 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 18 05:27:34.117 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:27:34.117 INFO [stderr]    |
Dec 18 05:27:34.117 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 05:27:34.117 INFO [stderr] 
Dec 18 05:27:34.176 INFO [stderr] warning: unused variable: `operators`
Dec 18 05:27:34.177 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Dec 18 05:27:34.177 INFO [stderr]    |
Dec 18 05:27:34.177 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 18 05:27:34.177 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Dec 18 05:27:34.180 INFO [stderr]    |
Dec 18 05:27:34.180 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:27:34.180 INFO [stderr] 
Dec 18 05:27:34.180 INFO [stderr] warning: unused variable: `o`
Dec 18 05:27:34.180 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Dec 18 05:27:34.180 INFO [stderr]    |
Dec 18 05:27:34.180 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Dec 18 05:27:34.180 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Dec 18 05:27:34.180 INFO [stderr] 
Dec 18 05:27:34.180 INFO [stderr] warning: unused variable: `v`
Dec 18 05:27:34.180 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Dec 18 05:27:34.180 INFO [stderr]    |
Dec 18 05:27:34.180 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Dec 18 05:27:34.180 INFO [stderr]    |                             ^ help: consider using `_v` instead
Dec 18 05:27:34.180 INFO [stderr] 
Dec 18 05:27:34.180 INFO [stderr] warning: unused variable: `operator`
Dec 18 05:27:34.180 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Dec 18 05:27:34.180 INFO [stderr]    |
Dec 18 05:27:34.180 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 18 05:27:34.180 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Dec 18 05:27:34.180 INFO [stderr] 
Dec 18 05:27:34.185 INFO [stderr] warning: variable does not need to be mutable
Dec 18 05:27:34.188 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Dec 18 05:27:34.188 INFO [stderr]    |
Dec 18 05:27:34.188 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Dec 18 05:27:34.188 INFO [stderr]    |         ----^^^^^^^^^
Dec 18 05:27:34.188 INFO [stderr]    |         |
Dec 18 05:27:34.188 INFO [stderr]    |         help: remove this `mut`
Dec 18 05:27:34.188 INFO [stderr]    |
Dec 18 05:27:34.188 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 05:27:34.188 INFO [stderr] 
Dec 18 05:27:34.200 INFO [stderr] warning: function is never used: `get_precedence`
Dec 18 05:27:34.200 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Dec 18 05:27:34.200 INFO [stderr]    |
Dec 18 05:27:34.200 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Dec 18 05:27:34.200 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 05:27:34.200 INFO [stderr]    |
Dec 18 05:27:34.200 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 05:27:34.200 INFO [stderr] 
Dec 18 05:27:34.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Dec 18 05:27:35.832 INFO running `"docker" "inspect" "6bc6305a296e9391de09b2eead007cc402a5f02f656e4bedfb258914064e74d2"`
Dec 18 05:27:36.122 INFO running `"docker" "rm" "-f" "6bc6305a296e9391de09b2eead007cc402a5f02f656e4bedfb258914064e74d2"`
Dec 18 05:27:36.495 INFO [stdout] 6bc6305a296e9391de09b2eead007cc402a5f02f656e4bedfb258914064e74d2