Nov 28 11:05:02.200 INFO checking Shyclops/calculator against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 11:05:02.202 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 11:05:02.664 INFO [stdout] f02b5418fc1bd3e54fc2914c10fb2f73a94d35ed02cbbfbc605691eb56321f74
Nov 28 11:05:02.667 INFO running `"docker" "start" "-a" "f02b5418fc1bd3e54fc2914c10fb2f73a94d35ed02cbbfbc605691eb56321f74"`
Nov 28 11:05:04.532 INFO [stderr] usermod: no changes
Nov 28 11:05:04.589 INFO [stderr]     Checking calculator v0.1.0 (/source)
Nov 28 11:05:05.509 INFO [stderr] warning: unused variable: `operators`
Nov 28 11:05:05.509 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Nov 28 11:05:05.509 INFO [stderr]    |
Nov 28 11:05:05.510 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Nov 28 11:05:05.510 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Nov 28 11:05:05.510 INFO [stderr]    |
Nov 28 11:05:05.510 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:05:05.511 INFO [stderr] 
Nov 28 11:05:05.511 INFO [stderr] warning: unused variable: `o`
Nov 28 11:05:05.511 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Nov 28 11:05:05.511 INFO [stderr]    |
Nov 28 11:05:05.512 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Nov 28 11:05:05.512 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Nov 28 11:05:05.512 INFO [stderr] 
Nov 28 11:05:05.513 INFO [stderr] warning: unused variable: `v`
Nov 28 11:05:05.513 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Nov 28 11:05:05.513 INFO [stderr]    |
Nov 28 11:05:05.513 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Nov 28 11:05:05.514 INFO [stderr]    |                             ^ help: consider using `_v` instead
Nov 28 11:05:05.514 INFO [stderr] 
Nov 28 11:05:05.514 INFO [stderr] warning: unused variable: `operator`
Nov 28 11:05:05.515 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Nov 28 11:05:05.515 INFO [stderr]    |
Nov 28 11:05:05.515 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Nov 28 11:05:05.516 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Nov 28 11:05:05.516 INFO [stderr] 
Nov 28 11:05:05.520 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:05:05.521 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Nov 28 11:05:05.521 INFO [stderr]    |
Nov 28 11:05:05.521 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Nov 28 11:05:05.521 INFO [stderr]    |         ----^^^^^^^^^
Nov 28 11:05:05.522 INFO [stderr]    |         |
Nov 28 11:05:05.522 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:05:05.522 INFO [stderr]    |
Nov 28 11:05:05.522 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:05:05.523 INFO [stderr] 
Nov 28 11:05:05.529 INFO [stderr] warning: function is never used: `get_precedence`
Nov 28 11:05:05.529 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Nov 28 11:05:05.529 INFO [stderr]    |
Nov 28 11:05:05.529 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Nov 28 11:05:05.530 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:05:05.530 INFO [stderr]    |
Nov 28 11:05:05.530 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:05:05.530 INFO [stderr] 
Nov 28 11:05:05.895 INFO [stderr] warning: unused variable: `operators`
Nov 28 11:05:05.895 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:10
Nov 28 11:05:05.895 INFO [stderr]    |
Nov 28 11:05:05.895 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Nov 28 11:05:05.895 INFO [stderr]    |             ^^^^^^^^^ help: consider using `_operators` instead
Nov 28 11:05:05.904 INFO [stderr]    |
Nov 28 11:05:05.904 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 11:05:05.904 INFO [stderr] 
Nov 28 11:05:05.905 INFO [stderr] warning: unused variable: `o`
Nov 28 11:05:05.905 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:21:25
Nov 28 11:05:05.905 INFO [stderr]    |
Nov 28 11:05:05.905 INFO [stderr] 21 |             Expression::Operator(o)    => {},
Nov 28 11:05:05.905 INFO [stderr]    |                                  ^ help: consider using `_o` instead
Nov 28 11:05:05.905 INFO [stderr] 
Nov 28 11:05:05.906 INFO [stderr] warning: unused variable: `v`
Nov 28 11:05:05.906 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:22:20
Nov 28 11:05:05.906 INFO [stderr]    |
Nov 28 11:05:05.906 INFO [stderr] 22 |             Expression::Val(v)        => output.push(ex),
Nov 28 11:05:05.906 INFO [stderr]    |                             ^ help: consider using `_v` instead
Nov 28 11:05:05.906 INFO [stderr] 
Nov 28 11:05:05.907 INFO [stderr] warning: unused variable: `operator`
Nov 28 11:05:05.907 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:19
Nov 28 11:05:05.907 INFO [stderr]    |
Nov 28 11:05:05.907 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Nov 28 11:05:05.908 INFO [stderr]    |                   ^^^^^^^^ help: consider using `_operator` instead
Nov 28 11:05:05.908 INFO [stderr] 
Nov 28 11:05:05.920 INFO [stderr] warning: variable does not need to be mutable
Nov 28 11:05:05.921 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:17:6
Nov 28 11:05:05.921 INFO [stderr]    |
Nov 28 11:05:05.921 INFO [stderr] 17 |     let mut operators: Vec<Expression> = Vec::new();
Nov 28 11:05:05.921 INFO [stderr]    |         ----^^^^^^^^^
Nov 28 11:05:05.921 INFO [stderr]    |         |
Nov 28 11:05:05.922 INFO [stderr]    |         help: remove this `mut`
Nov 28 11:05:05.937 INFO [stderr]    |
Nov 28 11:05:05.937 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 11:05:05.937 INFO [stderr] 
Nov 28 11:05:05.941 INFO [stderr] warning: function is never used: `get_precedence`
Nov 28 11:05:05.941 INFO [stderr]   --> src/reverse_polish_notation/parser.rs:82:1
Nov 28 11:05:05.942 INFO [stderr]    |
Nov 28 11:05:05.942 INFO [stderr] 82 | fn get_precedence(operator: String) -> i8 {
Nov 28 11:05:05.942 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 11:05:05.942 INFO [stderr]    |
Nov 28 11:05:05.942 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 11:05:05.942 INFO [stderr] 
Nov 28 11:05:06.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
Nov 28 11:05:06.744 INFO [stderr] su: No module specific data is present
Nov 28 11:05:08.285 INFO running `"docker" "inspect" "f02b5418fc1bd3e54fc2914c10fb2f73a94d35ed02cbbfbc605691eb56321f74"`
Nov 28 11:05:08.646 INFO running `"docker" "rm" "-f" "f02b5418fc1bd3e54fc2914c10fb2f73a94d35ed02cbbfbc605691eb56321f74"`
Nov 28 11:05:08.970 INFO [stdout] f02b5418fc1bd3e54fc2914c10fb2f73a94d35ed02cbbfbc605691eb56321f74