Dec 19 18:35:27.113 INFO checking cultofmetatron/r_monkey against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:35:27.113 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/cultofmetatron/r_monkey:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 18:35:27.360 INFO [stdout] 53c0a126c3c6d0451c4880527276dc0353e9e4e47dfebcb147d9919804dbf713
Dec 19 18:35:27.368 INFO running `"docker" "start" "-a" "53c0a126c3c6d0451c4880527276dc0353e9e4e47dfebcb147d9919804dbf713"`
Dec 19 18:35:29.180 INFO [stderr]     Checking r_monkey v0.1.0 (/opt/crater/workdir)
Dec 19 18:35:29.563 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 18:35:29.564 INFO [stderr]  --> src/lexer.rs:1:5
Dec 19 18:35:29.564 INFO [stderr]   |
Dec 19 18:35:29.564 INFO [stderr] 1 | use std::collections::HashMap;
Dec 19 18:35:29.564 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:35:29.564 INFO [stderr]   |
Dec 19 18:35:29.564 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:35:29.564 INFO [stderr] 
Dec 19 18:35:29.618 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 19 18:35:29.618 INFO [stderr]  --> src/lexer.rs:1:5
Dec 19 18:35:29.618 INFO [stderr]   |
Dec 19 18:35:29.618 INFO [stderr] 1 | use std::collections::HashMap;
Dec 19 18:35:29.618 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:35:29.618 INFO [stderr]   |
Dec 19 18:35:29.618 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 18:35:29.618 INFO [stderr] 
Dec 19 18:35:29.680 INFO [stderr] warning: unused variable: `skip`
Dec 19 18:35:29.680 INFO [stderr]   --> src/lexer.rs:65:13
Dec 19 18:35:29.680 INFO [stderr]    |
Dec 19 18:35:29.680 INFO [stderr] 65 |     let mut skip : bool = false;
Dec 19 18:35:29.680 INFO [stderr]    |             ^^^^ help: consider using `_skip` instead
Dec 19 18:35:29.680 INFO [stderr]    |
Dec 19 18:35:29.680 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:35:29.680 INFO [stderr] 
Dec 19 18:35:29.680 INFO [stderr] warning: unused variable: `index`
Dec 19 18:35:29.680 INFO [stderr]   --> src/lexer.rs:66:13
Dec 19 18:35:29.680 INFO [stderr]    |
Dec 19 18:35:29.680 INFO [stderr] 66 |     let mut index : usize = 0;
Dec 19 18:35:29.680 INFO [stderr]    |             ^^^^^ help: consider using `_index` instead
Dec 19 18:35:29.680 INFO [stderr] 
Dec 19 18:35:29.692 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:35:29.692 INFO [stderr]   --> src/lexer.rs:65:9
Dec 19 18:35:29.692 INFO [stderr]    |
Dec 19 18:35:29.692 INFO [stderr] 65 |     let mut skip : bool = false;
Dec 19 18:35:29.692 INFO [stderr]    |         ----^^^^
Dec 19 18:35:29.692 INFO [stderr]    |         |
Dec 19 18:35:29.692 INFO [stderr]    |         help: remove this `mut`
Dec 19 18:35:29.692 INFO [stderr]    |
Dec 19 18:35:29.692 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 18:35:29.692 INFO [stderr] 
Dec 19 18:35:29.692 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:35:29.692 INFO [stderr]   --> src/lexer.rs:66:9
Dec 19 18:35:29.692 INFO [stderr]    |
Dec 19 18:35:29.692 INFO [stderr] 66 |     let mut index : usize = 0;
Dec 19 18:35:29.692 INFO [stderr]    |         ----^^^^^
Dec 19 18:35:29.692 INFO [stderr]    |         |
Dec 19 18:35:29.692 INFO [stderr]    |         help: remove this `mut`
Dec 19 18:35:29.692 INFO [stderr] 
Dec 19 18:35:29.708 INFO [stderr] warning: variant is never constructed: `Asterix`
Dec 19 18:35:29.708 INFO [stderr]   --> src/lexer.rs:23:5
Dec 19 18:35:29.708 INFO [stderr]    |
Dec 19 18:35:29.708 INFO [stderr] 23 |     Asterix,
Dec 19 18:35:29.708 INFO [stderr]    |     ^^^^^^^
Dec 19 18:35:29.708 INFO [stderr]    |
Dec 19 18:35:29.708 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:35:29.708 INFO [stderr] 
Dec 19 18:35:29.708 INFO [stderr] warning: function is never used: `is_complex_modifier`
Dec 19 18:35:29.708 INFO [stderr]    --> src/lexer.rs:144:3
Dec 19 18:35:29.708 INFO [stderr]     |
Dec 19 18:35:29.708 INFO [stderr] 144 |   fn is_complex_modifier(ch1: char) -> bool {
Dec 19 18:35:29.708 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:35:29.709 INFO [stderr] 
Dec 19 18:35:29.709 INFO [stderr] warning: enum is never used: `NextChar`
Dec 19 18:35:29.709 INFO [stderr]    --> src/lexer.rs:154:3
Dec 19 18:35:29.709 INFO [stderr]     |
Dec 19 18:35:29.709 INFO [stderr] 154 |   enum NextChar {
Dec 19 18:35:29.709 INFO [stderr]     |   ^^^^^^^^^^^^^
Dec 19 18:35:29.709 INFO [stderr] 
Dec 19 18:35:29.709 INFO [stderr] warning: function is never used: `peek_ahead`
Dec 19 18:35:29.709 INFO [stderr]    --> src/lexer.rs:159:3
Dec 19 18:35:29.709 INFO [stderr]     |
Dec 19 18:35:29.709 INFO [stderr] 159 |   fn peek_ahead(index: usize, aStr: &Vec<char>) -> NextChar {
Dec 19 18:35:29.709 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:35:29.709 INFO [stderr] 
Dec 19 18:35:29.709 INFO [stderr] warning: variable `charTerator` should have a snake case name such as `char_terator`
Dec 19 18:35:29.709 INFO [stderr]   --> src/lexer.rs:67:9
Dec 19 18:35:29.709 INFO [stderr]    |
Dec 19 18:35:29.709 INFO [stderr] 67 |     let mut charTerator = input.chars().peekable();
Dec 19 18:35:29.709 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 19 18:35:29.709 INFO [stderr]    |
Dec 19 18:35:29.709 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 18:35:29.709 INFO [stderr] 
Dec 19 18:35:29.709 INFO [stderr] warning: variable `aStr` should have a snake case name such as `a_str`
Dec 19 18:35:29.709 INFO [stderr]    --> src/lexer.rs:159:31
Dec 19 18:35:29.709 INFO [stderr]     |
Dec 19 18:35:29.709 INFO [stderr] 159 |   fn peek_ahead(index: usize, aStr: &Vec<char>) -> NextChar {
Dec 19 18:35:29.709 INFO [stderr]     |                               ^^^^
Dec 19 18:35:29.709 INFO [stderr] 
Dec 19 18:35:29.780 INFO [stderr] warning: unused variable: `skip`
Dec 19 18:35:29.780 INFO [stderr]   --> src/lexer.rs:65:13
Dec 19 18:35:29.780 INFO [stderr]    |
Dec 19 18:35:29.780 INFO [stderr] 65 |     let mut skip : bool = false;
Dec 19 18:35:29.780 INFO [stderr]    |             ^^^^ help: consider using `_skip` instead
Dec 19 18:35:29.780 INFO [stderr]    |
Dec 19 18:35:29.780 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 18:35:29.780 INFO [stderr] 
Dec 19 18:35:29.780 INFO [stderr] warning: unused variable: `index`
Dec 19 18:35:29.780 INFO [stderr]   --> src/lexer.rs:66:13
Dec 19 18:35:29.780 INFO [stderr]    |
Dec 19 18:35:29.780 INFO [stderr] 66 |     let mut index : usize = 0;
Dec 19 18:35:29.780 INFO [stderr]    |             ^^^^^ help: consider using `_index` instead
Dec 19 18:35:29.780 INFO [stderr] 
Dec 19 18:35:29.804 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:35:29.804 INFO [stderr]   --> src/lexer.rs:65:9
Dec 19 18:35:29.804 INFO [stderr]    |
Dec 19 18:35:29.804 INFO [stderr] 65 |     let mut skip : bool = false;
Dec 19 18:35:29.804 INFO [stderr]    |         ----^^^^
Dec 19 18:35:29.804 INFO [stderr]    |         |
Dec 19 18:35:29.804 INFO [stderr]    |         help: remove this `mut`
Dec 19 18:35:29.804 INFO [stderr]    |
Dec 19 18:35:29.804 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 18:35:29.804 INFO [stderr] 
Dec 19 18:35:29.804 INFO [stderr] warning: variable does not need to be mutable
Dec 19 18:35:29.804 INFO [stderr]   --> src/lexer.rs:66:9
Dec 19 18:35:29.804 INFO [stderr]    |
Dec 19 18:35:29.804 INFO [stderr] 66 |     let mut index : usize = 0;
Dec 19 18:35:29.804 INFO [stderr]    |         ----^^^^^
Dec 19 18:35:29.804 INFO [stderr]    |         |
Dec 19 18:35:29.804 INFO [stderr]    |         help: remove this `mut`
Dec 19 18:35:29.804 INFO [stderr] 
Dec 19 18:35:29.807 INFO [stderr] warning: variant is never constructed: `Asterix`
Dec 19 18:35:29.807 INFO [stderr]   --> src/lexer.rs:23:5
Dec 19 18:35:29.807 INFO [stderr]    |
Dec 19 18:35:29.807 INFO [stderr] 23 |     Asterix,
Dec 19 18:35:29.807 INFO [stderr]    |     ^^^^^^^
Dec 19 18:35:29.807 INFO [stderr]    |
Dec 19 18:35:29.807 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 18:35:29.807 INFO [stderr] 
Dec 19 18:35:29.808 INFO [stderr] warning: function is never used: `is_complex_modifier`
Dec 19 18:35:29.808 INFO [stderr]    --> src/lexer.rs:144:3
Dec 19 18:35:29.808 INFO [stderr]     |
Dec 19 18:35:29.808 INFO [stderr] 144 |   fn is_complex_modifier(ch1: char) -> bool {
Dec 19 18:35:29.808 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:35:29.808 INFO [stderr] 
Dec 19 18:35:29.808 INFO [stderr] warning: enum is never used: `NextChar`
Dec 19 18:35:29.808 INFO [stderr]    --> src/lexer.rs:154:3
Dec 19 18:35:29.808 INFO [stderr]     |
Dec 19 18:35:29.808 INFO [stderr] 154 |   enum NextChar {
Dec 19 18:35:29.808 INFO [stderr]     |   ^^^^^^^^^^^^^
Dec 19 18:35:29.808 INFO [stderr] 
Dec 19 18:35:29.808 INFO [stderr] warning: function is never used: `peek_ahead`
Dec 19 18:35:29.808 INFO [stderr]    --> src/lexer.rs:159:3
Dec 19 18:35:29.808 INFO [stderr]     |
Dec 19 18:35:29.808 INFO [stderr] 159 |   fn peek_ahead(index: usize, aStr: &Vec<char>) -> NextChar {
Dec 19 18:35:29.808 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 18:35:29.808 INFO [stderr] 
Dec 19 18:35:29.808 INFO [stderr] warning: variable `charTerator` should have a snake case name such as `char_terator`
Dec 19 18:35:29.808 INFO [stderr]   --> src/lexer.rs:67:9
Dec 19 18:35:29.808 INFO [stderr]    |
Dec 19 18:35:29.808 INFO [stderr] 67 |     let mut charTerator = input.chars().peekable();
Dec 19 18:35:29.808 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 19 18:35:29.808 INFO [stderr]    |
Dec 19 18:35:29.808 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 18:35:29.808 INFO [stderr] 
Dec 19 18:35:29.808 INFO [stderr] warning: variable `aStr` should have a snake case name such as `a_str`
Dec 19 18:35:29.808 INFO [stderr]    --> src/lexer.rs:159:31
Dec 19 18:35:29.808 INFO [stderr]     |
Dec 19 18:35:29.808 INFO [stderr] 159 |   fn peek_ahead(index: usize, aStr: &Vec<char>) -> NextChar {
Dec 19 18:35:29.808 INFO [stderr]     |                               ^^^^
Dec 19 18:35:29.808 INFO [stderr] 
Dec 19 18:35:29.848 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 19 18:35:30.310 INFO running `"docker" "inspect" "53c0a126c3c6d0451c4880527276dc0353e9e4e47dfebcb147d9919804dbf713"`
Dec 19 18:35:30.498 INFO running `"docker" "rm" "-f" "53c0a126c3c6d0451c4880527276dc0353e9e4e47dfebcb147d9919804dbf713"`
Dec 19 18:35:30.732 INFO [stdout] 53c0a126c3c6d0451c4880527276dc0353e9e4e47dfebcb147d9919804dbf713