[INFO] updating cached repository https://github.com/cultofmetatron/r_monkey
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ddf5036a36cc4315bb88914e2b7e59dcb32d6f5e
[INFO] testing cultofmetatron/r_monkey against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcultofmetatron%2Fr_monkey" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cultofmetatron/r_monkey on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cultofmetatron/r_monkey
[INFO] finished tweaking git repo https://github.com/cultofmetatron/r_monkey
[INFO] tweaked toml for git repo https://github.com/cultofmetatron/r_monkey written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cultofmetatron/r_monkey already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b9e417ac5ae2b1d66c0e798d25094b4394dbf90492340fc0d4cb0e0106c36cdb
[INFO] running `"docker" "start" "-a" "b9e417ac5ae2b1d66c0e798d25094b4394dbf90492340fc0d4cb0e0106c36cdb"`
[INFO] [stderr]    Compiling r_monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lexer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `skip`
[INFO] [stderr]   --> src/lexer.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut skip : bool = false;
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_skip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/lexer.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut index : usize = 0;
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lexer.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut skip : bool = false;
[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/lexer.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut index : usize = 0;
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Asterix`
[INFO] [stderr]   --> src/lexer.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Asterix,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_complex_modifier`
[INFO] [stderr]    --> src/lexer.rs:144:3
[INFO] [stderr]     |
[INFO] [stderr] 144 |   fn is_complex_modifier(ch1: char) -> bool {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `NextChar`
[INFO] [stderr]    --> src/lexer.rs:154:3
[INFO] [stderr]     |
[INFO] [stderr] 154 |   enum NextChar {
[INFO] [stderr]     |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `peek_ahead`
[INFO] [stderr]    --> src/lexer.rs:159:3
[INFO] [stderr]     |
[INFO] [stderr] 159 |   fn peek_ahead(index: usize, aStr: &Vec<char>) -> NextChar {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `charTerator` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut charTerator = input.chars().peekable();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `char_terator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `aStr` should have a snake case name
[INFO] [stderr]    --> src/lexer.rs:159:31
[INFO] [stderr]     |
[INFO] [stderr] 159 |   fn peek_ahead(index: usize, aStr: &Vec<char>) -> NextChar {
[INFO] [stderr]     |                               ^^^^ help: convert the identifier to snake case: `a_str`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "b9e417ac5ae2b1d66c0e798d25094b4394dbf90492340fc0d4cb0e0106c36cdb"`
[INFO] running `"docker" "rm" "-f" "b9e417ac5ae2b1d66c0e798d25094b4394dbf90492340fc0d4cb0e0106c36cdb"`
[INFO] [stdout] b9e417ac5ae2b1d66c0e798d25094b4394dbf90492340fc0d4cb0e0106c36cdb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6905241ad9f30153534cd26537c1efdfe5a9876041d0a2d0e7100838a0224fae
[INFO] running `"docker" "start" "-a" "6905241ad9f30153534cd26537c1efdfe5a9876041d0a2d0e7100838a0224fae"`
[INFO] [stderr]    Compiling r_monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lexer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `skip`
[INFO] [stderr]   --> src/lexer.rs:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut skip : bool = false;
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_skip`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/lexer.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut index : usize = 0;
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lexer.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut skip : bool = false;
[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/lexer.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let mut index : usize = 0;
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Asterix`
[INFO] [stderr]   --> src/lexer.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Asterix,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_complex_modifier`
[INFO] [stderr]    --> src/lexer.rs:144:3
[INFO] [stderr]     |
[INFO] [stderr] 144 |   fn is_complex_modifier(ch1: char) -> bool {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `NextChar`
[INFO] [stderr]    --> src/lexer.rs:154:3
[INFO] [stderr]     |
[INFO] [stderr] 154 |   enum NextChar {
[INFO] [stderr]     |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `peek_ahead`
[INFO] [stderr]    --> src/lexer.rs:159:3
[INFO] [stderr]     |
[INFO] [stderr] 159 |   fn peek_ahead(index: usize, aStr: &Vec<char>) -> NextChar {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `charTerator` should have a snake case name
[INFO] [stderr]   --> src/lexer.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut charTerator = input.chars().peekable();
[INFO] [stderr]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `char_terator`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `aStr` should have a snake case name
[INFO] [stderr]    --> src/lexer.rs:159:31
[INFO] [stderr]     |
[INFO] [stderr] 159 |   fn peek_ahead(index: usize, aStr: &Vec<char>) -> NextChar {
[INFO] [stderr]     |                               ^^^^ help: convert the identifier to snake case: `a_str`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "6905241ad9f30153534cd26537c1efdfe5a9876041d0a2d0e7100838a0224fae"`
[INFO] running `"docker" "rm" "-f" "6905241ad9f30153534cd26537c1efdfe5a9876041d0a2d0e7100838a0224fae"`
[INFO] [stdout] 6905241ad9f30153534cd26537c1efdfe5a9876041d0a2d0e7100838a0224fae
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 2b1a35a758ebc2a77a59925894c186700f3bc85f4c79d39394d092f1f783c4ff
[INFO] running `"docker" "start" "-a" "2b1a35a758ebc2a77a59925894c186700f3bc85f4c79d39394d092f1f783c4ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r_monkey-d90e6e099bde352a
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::test_next_token_with_basic_stuff ... ok
[INFO] [stdout] test lexer::test_for_keywords ... ok
[INFO] [stdout] test lexer::test_special_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2b1a35a758ebc2a77a59925894c186700f3bc85f4c79d39394d092f1f783c4ff"`
[INFO] running `"docker" "rm" "-f" "2b1a35a758ebc2a77a59925894c186700f3bc85f4c79d39394d092f1f783c4ff"`
[INFO] [stdout] 2b1a35a758ebc2a77a59925894c186700f3bc85f4c79d39394d092f1f783c4ff