Nov 28 11:05:09.049 INFO checking Shyclops/calculator against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 11:05:09.051 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 11:05:09.528 INFO [stdout] 0061a1a407dc9852b0a81b7201ce747f4f19a2693cd15a687b067c3070fcf9eb
Nov 28 11:05:09.531 INFO running `"docker" "start" "-a" "0061a1a407dc9852b0a81b7201ce747f4f19a2693cd15a687b067c3070fcf9eb"`
Nov 28 11:05:11.294 INFO [stderr] usermod: no changes
Nov 28 11:05:11.364 INFO [stderr]     Checking calculator v0.1.0 (/source)
Nov 28 11:05:11.886 INFO [stderr] warning: unused variable: `operators`
Nov 28 11:05:11.886 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Nov 28 11:05:11.887 INFO [stderr]    |
Nov 28 11:05:11.887 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Nov 28 11:05:11.887 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Nov 28 11:05:11.888 INFO [stderr]    |
Nov 28 11:05:11.888 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:05:11.888 INFO [stderr] 
Nov 28 11:05:11.889 INFO [stderr] warning: unused variable: `o`
Nov 28 11:05:11.889 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Nov 28 11:05:11.890 INFO [stderr]    |
Nov 28 11:05:11.890 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Nov 28 11:05:11.890 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Nov 28 11:05:11.891 INFO [stderr] 
Nov 28 11:05:11.891 INFO [stderr] warning: unused variable: `v`
Nov 28 11:05:11.891 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Nov 28 11:05:11.892 INFO [stderr]    |
Nov 28 11:05:11.892 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Nov 28 11:05:11.892 INFO [stderr]    |                             ^ help: consider using `_v` instead
Nov 28 11:05:11.893 INFO [stderr] 
Nov 28 11:05:11.893 INFO [stderr] warning: unused variable: `operator`
Nov 28 11:05:11.893 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Nov 28 11:05:11.894 INFO [stderr]    |
Nov 28 11:05:11.894 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Nov 28 11:05:11.894 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Nov 28 11:05:11.895 INFO [stderr] 
Nov 28 11:05:11.904 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:05:11.905 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Nov 28 11:05:11.905 INFO [stderr]    |
Nov 28 11:05:11.905 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Nov 28 11:05:11.905 INFO [stderr]    |         ----^^^^^^^^^
Nov 28 11:05:11.906 INFO [stderr]    |         |
Nov 28 11:05:11.906 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:05:11.906 INFO [stderr]    |
Nov 28 11:05:11.907 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:05:11.907 INFO [stderr] 
Nov 28 11:05:11.908 INFO [stderr] warning: function is never used: `get_precedence`
Nov 28 11:05:11.909 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Nov 28 11:05:11.909 INFO [stderr]    |
Nov 28 11:05:11.909 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Nov 28 11:05:11.909 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:05:11.910 INFO [stderr]    |
Nov 28 11:05:11.910 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:05:11.910 INFO [stderr] 
Nov 28 11:05:12.526 INFO [stderr] warning: unused variable: `operators`
Nov 28 11:05:12.526 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Nov 28 11:05:12.526 INFO [stderr]    |
Nov 28 11:05:12.526 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Nov 28 11:05:12.526 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Nov 28 11:05:12.526 INFO [stderr]    |
Nov 28 11:05:12.526 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:05:12.526 INFO [stderr] 
Nov 28 11:05:12.526 INFO [stderr] warning: unused variable: `o`
Nov 28 11:05:12.526 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Nov 28 11:05:12.526 INFO [stderr]    |
Nov 28 11:05:12.526 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Nov 28 11:05:12.526 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Nov 28 11:05:12.526 INFO [stderr] 
Nov 28 11:05:12.526 INFO [stderr] warning: unused variable: `v`
Nov 28 11:05:12.526 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Nov 28 11:05:12.526 INFO [stderr]    |
Nov 28 11:05:12.526 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Nov 28 11:05:12.526 INFO [stderr]    |                             ^ help: consider using `_v` instead
Nov 28 11:05:12.526 INFO [stderr] 
Nov 28 11:05:12.526 INFO [stderr] warning: unused variable: `operator`
Nov 28 11:05:12.526 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Nov 28 11:05:12.526 INFO [stderr]    |
Nov 28 11:05:12.526 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Nov 28 11:05:12.526 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Nov 28 11:05:12.526 INFO [stderr] 
Nov 28 11:05:12.528 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:05:12.528 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Nov 28 11:05:12.528 INFO [stderr]    |
Nov 28 11:05:12.528 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Nov 28 11:05:12.528 INFO [stderr]    |         ----^^^^^^^^^
Nov 28 11:05:12.528 INFO [stderr]    |         |
Nov 28 11:05:12.528 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:05:12.528 INFO [stderr]    |
Nov 28 11:05:12.528 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:05:12.528 INFO [stderr] 
Nov 28 11:05:12.533 INFO [stderr] warning: function is never used: `get_precedence`
Nov 28 11:05:12.533 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Nov 28 11:05:12.533 INFO [stderr]    |
Nov 28 11:05:12.533 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Nov 28 11:05:12.533 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:05:12.533 INFO [stderr]    |
Nov 28 11:05:12.533 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:05:12.533 INFO [stderr] 
Nov 28 11:05:12.932 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Nov 28 11:05:12.935 INFO [stderr] su: No module specific data is present
Nov 28 11:05:14.126 INFO running `"docker" "inspect" "0061a1a407dc9852b0a81b7201ce747f4f19a2693cd15a687b067c3070fcf9eb"`
Nov 28 11:05:14.473 INFO running `"docker" "rm" "-f" "0061a1a407dc9852b0a81b7201ce747f4f19a2693cd15a687b067c3070fcf9eb"`
Nov 28 11:05:14.776 INFO [stdout] 0061a1a407dc9852b0a81b7201ce747f4f19a2693cd15a687b067c3070fcf9eb