Dec 02 08:38:09.928 INFO testing CodeAffe/Lisperator against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 08:38:09.928 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:38:10.187 INFO [stdout] a543c80c980dbe5b80c4aa8d6e4ef53a32cd4b4fc7e992f6683c9ca791564bfe
Dec 02 08:38:10.189 INFO running `"docker" "start" "-a" "a543c80c980dbe5b80c4aa8d6e4ef53a32cd4b4fc7e992f6683c9ca791564bfe"`
Dec 02 08:38:10.731 INFO [stderr] usermod: no changes
Dec 02 08:38:10.773 INFO [stderr]    Compiling memchr v2.1.0
Dec 02 08:38:12.119 INFO [stderr]    Compiling aho-corasick v0.6.8
Dec 02 08:38:13.740 INFO [stderr]    Compiling regex v1.0.5
Dec 02 08:38:25.365 INFO [stderr]    Compiling lisperator-rust v0.1.0 (/source)
Dec 02 08:38:26.411 INFO [stderr] warning: unused variable: `has_dot`
Dec 02 08:38:26.411 INFO [stderr]    --> src/TokenStream.rs:114:17
Dec 02 08:38:26.411 INFO [stderr]     |
Dec 02 08:38:26.411 INFO [stderr] 114 |         let mut has_dot = false;
Dec 02 08:38:26.411 INFO [stderr]     |                 ^^^^^^^ help: consider using `_has_dot` instead
Dec 02 08:38:26.411 INFO [stderr]     |
Dec 02 08:38:26.411 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 02 08:38:26.411 INFO [stderr] 
Dec 02 08:38:26.411 INFO [stderr] warning: unused variable: `id`
Dec 02 08:38:26.411 INFO [stderr]    --> src/TokenStream.rs:125:17
Dec 02 08:38:26.411 INFO [stderr]     |
Dec 02 08:38:26.411 INFO [stderr] 125 |         let mut id = 0;
Dec 02 08:38:26.411 INFO [stderr]     |                 ^^ help: consider using `_id` instead
Dec 02 08:38:26.411 INFO [stderr] 
Dec 02 08:38:26.423 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:26.423 INFO [stderr]  --> src/main.rs:7:9
Dec 02 08:38:26.423 INFO [stderr]   |
Dec 02 08:38:26.423 INFO [stderr] 7 |     let mut input = InputStream::InputStream {
Dec 02 08:38:26.423 INFO [stderr]   |         ----^^^^^
Dec 02 08:38:26.423 INFO [stderr]   |         |
Dec 02 08:38:26.423 INFO [stderr]   |         help: remove this `mut`
Dec 02 08:38:26.423 INFO [stderr]   |
Dec 02 08:38:26.423 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 02 08:38:26.423 INFO [stderr] 
Dec 02 08:38:26.423 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:26.423 INFO [stderr]   --> src/main.rs:14:9
Dec 02 08:38:26.423 INFO [stderr]    |
Dec 02 08:38:26.423 INFO [stderr] 14 |     let mut token = TokenStream::TokenStream {
Dec 02 08:38:26.423 INFO [stderr]    |         ----^^^^^
Dec 02 08:38:26.423 INFO [stderr]    |         |
Dec 02 08:38:26.423 INFO [stderr]    |         help: remove this `mut`
Dec 02 08:38:26.423 INFO [stderr] 
Dec 02 08:38:26.427 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:26.427 INFO [stderr]    --> src/TokenStream.rs:114:13
Dec 02 08:38:26.427 INFO [stderr]     |
Dec 02 08:38:26.427 INFO [stderr] 114 |         let mut has_dot = false;
Dec 02 08:38:26.427 INFO [stderr]     |             ----^^^^^^^
Dec 02 08:38:26.427 INFO [stderr]     |             |
Dec 02 08:38:26.427 INFO [stderr]     |             help: remove this `mut`
Dec 02 08:38:26.427 INFO [stderr] 
Dec 02 08:38:26.427 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:26.427 INFO [stderr]    --> src/TokenStream.rs:115:13
Dec 02 08:38:26.427 INFO [stderr]     |
Dec 02 08:38:26.427 INFO [stderr] 115 |         let mut number = 0;
Dec 02 08:38:26.427 INFO [stderr]     |             ----^^^^^^
Dec 02 08:38:26.428 INFO [stderr]     |             |
Dec 02 08:38:26.428 INFO [stderr]     |             help: remove this `mut`
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:26.428 INFO [stderr]    --> src/TokenStream.rs:125:13
Dec 02 08:38:26.428 INFO [stderr]     |
Dec 02 08:38:26.428 INFO [stderr] 125 |         let mut id = 0;
Dec 02 08:38:26.428 INFO [stderr]     |             ----^^
Dec 02 08:38:26.428 INFO [stderr]     |             |
Dec 02 08:38:26.428 INFO [stderr]     |             help: remove this `mut`
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `next`
Dec 02 08:38:26.428 INFO [stderr]   --> src/InputStream.rs:12:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 12 |     pub fn next(&mut self) -> char {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `peek`
Dec 02 08:38:26.428 INFO [stderr]   --> src/InputStream.rs:25:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 25 |     pub fn peek(&self) -> char {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `eof`
Dec 02 08:38:26.428 INFO [stderr]   --> src/InputStream.rs:30:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 30 |     pub fn eof(&self) -> bool {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `croak`
Dec 02 08:38:26.428 INFO [stderr]   --> src/InputStream.rs:35:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 35 |     pub fn croak(&self, msg: String) {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `read_next`
Dec 02 08:38:26.428 INFO [stderr]   --> src/TokenStream.rs:13:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 13 |     pub fn read_next(&self, input: &InputStream) {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `is_keyword`
Dec 02 08:38:26.428 INFO [stderr]   --> src/TokenStream.rs:62:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 62 |     pub fn is_keyword(&self, ch: String) -> bool {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `is_id_start`
Dec 02 08:38:26.428 INFO [stderr]   --> src/TokenStream.rs:75:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 75 |     pub fn is_id_start(&self, ch: char) -> bool {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `is_id`
Dec 02 08:38:26.428 INFO [stderr]   --> src/TokenStream.rs:81:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 81 |     pub fn is_id(&self, ch: char) -> bool {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `is_op_char`
Dec 02 08:38:26.428 INFO [stderr]   --> src/TokenStream.rs:86:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 86 |     pub fn is_op_char(ch: char) -> bool {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `is_punc`
Dec 02 08:38:26.428 INFO [stderr]   --> src/TokenStream.rs:91:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 91 |     pub fn is_punc(ch: char) -> bool {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `is_whitespace`
Dec 02 08:38:26.428 INFO [stderr]   --> src/TokenStream.rs:96:5
Dec 02 08:38:26.428 INFO [stderr]    |
Dec 02 08:38:26.428 INFO [stderr] 96 |     pub fn is_whitespace(&self, ch: char) -> bool {
Dec 02 08:38:26.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `read_while`
Dec 02 08:38:26.428 INFO [stderr]    --> src/TokenStream.rs:104:5
Dec 02 08:38:26.428 INFO [stderr]     |
Dec 02 08:38:26.428 INFO [stderr] 104 |     pub fn read_while(&self) -> String {
Dec 02 08:38:26.428 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.428 INFO [stderr] 
Dec 02 08:38:26.428 INFO [stderr] warning: method is never used: `read_number`
Dec 02 08:38:26.428 INFO [stderr]    --> src/TokenStream.rs:113:5
Dec 02 08:38:26.428 INFO [stderr]     |
Dec 02 08:38:26.429 INFO [stderr] 113 |     pub fn read_number() -> Token {
Dec 02 08:38:26.429 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.429 INFO [stderr] 
Dec 02 08:38:26.429 INFO [stderr] warning: method is never used: `read_ident`
Dec 02 08:38:26.429 INFO [stderr]    --> src/TokenStream.rs:124:5
Dec 02 08:38:26.429 INFO [stderr]     |
Dec 02 08:38:26.429 INFO [stderr] 124 |     pub fn read_ident() {
Dec 02 08:38:26.429 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.429 INFO [stderr] 
Dec 02 08:38:26.429 INFO [stderr] warning: method is never used: `read_escaped`
Dec 02 08:38:26.429 INFO [stderr]    --> src/TokenStream.rs:131:5
Dec 02 08:38:26.429 INFO [stderr]     |
Dec 02 08:38:26.429 INFO [stderr] 131 |     pub fn read_escaped(&self, end: char) -> &str {
Dec 02 08:38:26.429 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.429 INFO [stderr] 
Dec 02 08:38:26.429 INFO [stderr] warning: method is never used: `read_string`
Dec 02 08:38:26.429 INFO [stderr]    --> src/TokenStream.rs:151:5
Dec 02 08:38:26.429 INFO [stderr]     |
Dec 02 08:38:26.429 INFO [stderr] 151 |     pub fn read_string(&self) -> Token {
Dec 02 08:38:26.429 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:26.429 INFO [stderr] 
Dec 02 08:38:26.429 INFO [stderr] warning: struct is never constructed: `Token`
Dec 02 08:38:26.429 INFO [stderr]    --> src/TokenStream.rs:176:1
Dec 02 08:38:26.429 INFO [stderr]     |
Dec 02 08:38:26.429 INFO [stderr] 176 | pub struct Token {
Dec 02 08:38:26.429 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 02 08:38:26.429 INFO [stderr] 
Dec 02 08:38:26.429 INFO [stderr] warning: enum is never used: `ReadEvent`
Dec 02 08:38:26.429 INFO [stderr]   --> src/main.rs:32:1
Dec 02 08:38:26.429 INFO [stderr]    |
Dec 02 08:38:26.429 INFO [stderr] 32 | enum ReadEvent {
Dec 02 08:38:26.429 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 02 08:38:26.429 INFO [stderr] 
Dec 02 08:38:26.429 INFO [stderr] warning: module `InputStream` should have a snake case name such as `input_stream`
Dec 02 08:38:26.429 INFO [stderr]  --> src/main.rs:3:1
Dec 02 08:38:26.429 INFO [stderr]   |
Dec 02 08:38:26.429 INFO [stderr] 3 | mod InputStream;
Dec 02 08:38:26.429 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 08:38:26.429 INFO [stderr]   |
Dec 02 08:38:26.429 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 02 08:38:26.429 INFO [stderr] 
Dec 02 08:38:26.429 INFO [stderr] warning: module `TokenStream` should have a snake case name such as `token_stream`
Dec 02 08:38:26.429 INFO [stderr]  --> src/main.rs:4:1
Dec 02 08:38:26.429 INFO [stderr]   |
Dec 02 08:38:26.429 INFO [stderr] 4 | mod TokenStream;
Dec 02 08:38:26.429 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 08:38:26.429 INFO [stderr] 
Dec 02 08:38:27.818 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.07s
Dec 02 08:38:27.827 INFO [stderr] su: No module specific data is present
Dec 02 08:38:28.385 INFO running `"docker" "inspect" "a543c80c980dbe5b80c4aa8d6e4ef53a32cd4b4fc7e992f6683c9ca791564bfe"`
Dec 02 08:38:28.723 INFO running `"docker" "rm" "-f" "a543c80c980dbe5b80c4aa8d6e4ef53a32cd4b4fc7e992f6683c9ca791564bfe"`
Dec 02 08:38:29.095 INFO [stdout] a543c80c980dbe5b80c4aa8d6e4ef53a32cd4b4fc7e992f6683c9ca791564bfe
Dec 02 08:38:29.097 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:38:29.587 INFO [stdout] 00b60f9bcf5cf68e852b17f52d3745066e7822082e0d8f38efb04160c8ef24e2
Dec 02 08:38:29.591 INFO running `"docker" "start" "-a" "00b60f9bcf5cf68e852b17f52d3745066e7822082e0d8f38efb04160c8ef24e2"`
Dec 02 08:38:31.219 INFO [stderr] usermod: no changes
Dec 02 08:38:31.319 INFO [stderr]    Compiling lisperator-rust v0.1.0 (/source)
Dec 02 08:38:32.403 INFO [stderr] warning: unused variable: `has_dot`
Dec 02 08:38:32.403 INFO [stderr]    --> src/TokenStream.rs:114:17
Dec 02 08:38:32.403 INFO [stderr]     |
Dec 02 08:38:32.403 INFO [stderr] 114 |         let mut has_dot = false;
Dec 02 08:38:32.403 INFO [stderr]     |                 ^^^^^^^ help: consider using `_has_dot` instead
Dec 02 08:38:32.403 INFO [stderr]     |
Dec 02 08:38:32.403 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 02 08:38:32.403 INFO [stderr] 
Dec 02 08:38:32.403 INFO [stderr] warning: unused variable: `id`
Dec 02 08:38:32.403 INFO [stderr]    --> src/TokenStream.rs:125:17
Dec 02 08:38:32.403 INFO [stderr]     |
Dec 02 08:38:32.403 INFO [stderr] 125 |         let mut id = 0;
Dec 02 08:38:32.403 INFO [stderr]     |                 ^^ help: consider using `_id` instead
Dec 02 08:38:32.403 INFO [stderr] 
Dec 02 08:38:32.403 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:32.403 INFO [stderr]  --> src/main.rs:7:9
Dec 02 08:38:32.403 INFO [stderr]   |
Dec 02 08:38:32.403 INFO [stderr] 7 |     let mut input = InputStream::InputStream {
Dec 02 08:38:32.403 INFO [stderr]   |         ----^^^^^
Dec 02 08:38:32.403 INFO [stderr]   |         |
Dec 02 08:38:32.403 INFO [stderr]   |         help: remove this `mut`
Dec 02 08:38:32.403 INFO [stderr]   |
Dec 02 08:38:32.403 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 02 08:38:32.403 INFO [stderr] 
Dec 02 08:38:32.403 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:32.403 INFO [stderr]   --> src/main.rs:14:9
Dec 02 08:38:32.403 INFO [stderr]    |
Dec 02 08:38:32.403 INFO [stderr] 14 |     let mut token = TokenStream::TokenStream {
Dec 02 08:38:32.403 INFO [stderr]    |         ----^^^^^
Dec 02 08:38:32.403 INFO [stderr]    |         |
Dec 02 08:38:32.403 INFO [stderr]    |         help: remove this `mut`
Dec 02 08:38:32.403 INFO [stderr] 
Dec 02 08:38:32.415 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:32.415 INFO [stderr]    --> src/TokenStream.rs:114:13
Dec 02 08:38:32.415 INFO [stderr]     |
Dec 02 08:38:32.415 INFO [stderr] 114 |         let mut has_dot = false;
Dec 02 08:38:32.415 INFO [stderr]     |             ----^^^^^^^
Dec 02 08:38:32.415 INFO [stderr]     |             |
Dec 02 08:38:32.415 INFO [stderr]     |             help: remove this `mut`
Dec 02 08:38:32.415 INFO [stderr] 
Dec 02 08:38:32.415 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:32.415 INFO [stderr]    --> src/TokenStream.rs:115:13
Dec 02 08:38:32.415 INFO [stderr]     |
Dec 02 08:38:32.415 INFO [stderr] 115 |         let mut number = 0;
Dec 02 08:38:32.415 INFO [stderr]     |             ----^^^^^^
Dec 02 08:38:32.415 INFO [stderr]     |             |
Dec 02 08:38:32.415 INFO [stderr]     |             help: remove this `mut`
Dec 02 08:38:32.415 INFO [stderr] 
Dec 02 08:38:32.415 INFO [stderr] warning: variable does not need to be mutable
Dec 02 08:38:32.415 INFO [stderr]    --> src/TokenStream.rs:125:13
Dec 02 08:38:32.415 INFO [stderr]     |
Dec 02 08:38:32.415 INFO [stderr] 125 |         let mut id = 0;
Dec 02 08:38:32.415 INFO [stderr]     |             ----^^
Dec 02 08:38:32.415 INFO [stderr]     |             |
Dec 02 08:38:32.415 INFO [stderr]     |             help: remove this `mut`
Dec 02 08:38:32.415 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `next`
Dec 02 08:38:32.416 INFO [stderr]   --> src/InputStream.rs:12:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 12 |     pub fn next(&mut self) -> char {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `peek`
Dec 02 08:38:32.416 INFO [stderr]   --> src/InputStream.rs:25:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 25 |     pub fn peek(&self) -> char {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `eof`
Dec 02 08:38:32.416 INFO [stderr]   --> src/InputStream.rs:30:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 30 |     pub fn eof(&self) -> bool {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `croak`
Dec 02 08:38:32.416 INFO [stderr]   --> src/InputStream.rs:35:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 35 |     pub fn croak(&self, msg: String) {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `read_next`
Dec 02 08:38:32.416 INFO [stderr]   --> src/TokenStream.rs:13:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 13 |     pub fn read_next(&self, input: &InputStream) {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `is_keyword`
Dec 02 08:38:32.416 INFO [stderr]   --> src/TokenStream.rs:62:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 62 |     pub fn is_keyword(&self, ch: String) -> bool {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `is_id_start`
Dec 02 08:38:32.416 INFO [stderr]   --> src/TokenStream.rs:75:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 75 |     pub fn is_id_start(&self, ch: char) -> bool {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `is_id`
Dec 02 08:38:32.416 INFO [stderr]   --> src/TokenStream.rs:81:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 81 |     pub fn is_id(&self, ch: char) -> bool {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `is_op_char`
Dec 02 08:38:32.416 INFO [stderr]   --> src/TokenStream.rs:86:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 86 |     pub fn is_op_char(ch: char) -> bool {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `is_punc`
Dec 02 08:38:32.416 INFO [stderr]   --> src/TokenStream.rs:91:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 91 |     pub fn is_punc(ch: char) -> bool {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `is_whitespace`
Dec 02 08:38:32.416 INFO [stderr]   --> src/TokenStream.rs:96:5
Dec 02 08:38:32.416 INFO [stderr]    |
Dec 02 08:38:32.416 INFO [stderr] 96 |     pub fn is_whitespace(&self, ch: char) -> bool {
Dec 02 08:38:32.416 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `read_while`
Dec 02 08:38:32.416 INFO [stderr]    --> src/TokenStream.rs:104:5
Dec 02 08:38:32.416 INFO [stderr]     |
Dec 02 08:38:32.416 INFO [stderr] 104 |     pub fn read_while(&self) -> String {
Dec 02 08:38:32.416 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `read_number`
Dec 02 08:38:32.416 INFO [stderr]    --> src/TokenStream.rs:113:5
Dec 02 08:38:32.416 INFO [stderr]     |
Dec 02 08:38:32.416 INFO [stderr] 113 |     pub fn read_number() -> Token {
Dec 02 08:38:32.416 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.416 INFO [stderr] 
Dec 02 08:38:32.416 INFO [stderr] warning: method is never used: `read_ident`
Dec 02 08:38:32.417 INFO [stderr]    --> src/TokenStream.rs:124:5
Dec 02 08:38:32.417 INFO [stderr]     |
Dec 02 08:38:32.417 INFO [stderr] 124 |     pub fn read_ident() {
Dec 02 08:38:32.417 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.417 INFO [stderr] 
Dec 02 08:38:32.417 INFO [stderr] warning: method is never used: `read_escaped`
Dec 02 08:38:32.417 INFO [stderr]    --> src/TokenStream.rs:131:5
Dec 02 08:38:32.417 INFO [stderr]     |
Dec 02 08:38:32.417 INFO [stderr] 131 |     pub fn read_escaped(&self, end: char) -> &str {
Dec 02 08:38:32.417 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.417 INFO [stderr] 
Dec 02 08:38:32.417 INFO [stderr] warning: method is never used: `read_string`
Dec 02 08:38:32.417 INFO [stderr]    --> src/TokenStream.rs:151:5
Dec 02 08:38:32.417 INFO [stderr]     |
Dec 02 08:38:32.417 INFO [stderr] 151 |     pub fn read_string(&self) -> Token {
Dec 02 08:38:32.417 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 08:38:32.417 INFO [stderr] 
Dec 02 08:38:32.417 INFO [stderr] warning: struct is never constructed: `Token`
Dec 02 08:38:32.417 INFO [stderr]    --> src/TokenStream.rs:176:1
Dec 02 08:38:32.417 INFO [stderr]     |
Dec 02 08:38:32.417 INFO [stderr] 176 | pub struct Token {
Dec 02 08:38:32.417 INFO [stderr]     | ^^^^^^^^^^^^^^^^
Dec 02 08:38:32.417 INFO [stderr] 
Dec 02 08:38:32.417 INFO [stderr] warning: enum is never used: `ReadEvent`
Dec 02 08:38:32.417 INFO [stderr]   --> src/main.rs:32:1
Dec 02 08:38:32.417 INFO [stderr]    |
Dec 02 08:38:32.417 INFO [stderr] 32 | enum ReadEvent {
Dec 02 08:38:32.417 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 02 08:38:32.417 INFO [stderr] 
Dec 02 08:38:32.421 INFO [stderr] warning: module `InputStream` should have a snake case name such as `input_stream`
Dec 02 08:38:32.421 INFO [stderr]  --> src/main.rs:3:1
Dec 02 08:38:32.421 INFO [stderr]   |
Dec 02 08:38:32.421 INFO [stderr] 3 | mod InputStream;
Dec 02 08:38:32.421 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 08:38:32.421 INFO [stderr]   |
Dec 02 08:38:32.421 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 02 08:38:32.421 INFO [stderr] 
Dec 02 08:38:32.421 INFO [stderr] warning: module `TokenStream` should have a snake case name such as `token_stream`
Dec 02 08:38:32.421 INFO [stderr]  --> src/main.rs:4:1
Dec 02 08:38:32.421 INFO [stderr]   |
Dec 02 08:38:32.421 INFO [stderr] 4 | mod TokenStream;
Dec 02 08:38:32.421 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Dec 02 08:38:32.421 INFO [stderr] 
Dec 02 08:38:32.894 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Dec 02 08:38:32.907 INFO [stderr] su: No module specific data is present
Dec 02 08:38:33.413 INFO running `"docker" "inspect" "00b60f9bcf5cf68e852b17f52d3745066e7822082e0d8f38efb04160c8ef24e2"`
Dec 02 08:38:33.749 INFO running `"docker" "rm" "-f" "00b60f9bcf5cf68e852b17f52d3745066e7822082e0d8f38efb04160c8ef24e2"`
Dec 02 08:38:34.036 INFO [stdout] 00b60f9bcf5cf68e852b17f52d3745066e7822082e0d8f38efb04160c8ef24e2
Dec 02 08:38:34.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 08:38:34.392 INFO [stdout] 27d710ef12a0ef2e635c81871b1d7547b52abbaf1a6dc0a8604f8eaa8162fb17
Dec 02 08:38:34.396 INFO running `"docker" "start" "-a" "27d710ef12a0ef2e635c81871b1d7547b52abbaf1a6dc0a8604f8eaa8162fb17"`
Dec 02 08:38:35.227 INFO [stderr] usermod: no changes
Dec 02 08:38:35.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 02 08:38:35.313 INFO [stderr]      Running /target/debug/deps/lisperator_rust-dc252873560fff92
Dec 02 08:38:35.316 INFO [stdout] 
Dec 02 08:38:35.316 INFO [stdout] running 0 tests
Dec 02 08:38:35.316 INFO [stdout] 
Dec 02 08:38:35.316 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 08:38:35.316 INFO [stdout] 
Dec 02 08:38:35.323 INFO [stderr] su: No module specific data is present
Dec 02 08:38:36.037 INFO running `"docker" "inspect" "27d710ef12a0ef2e635c81871b1d7547b52abbaf1a6dc0a8604f8eaa8162fb17"`
Dec 02 08:38:36.325 INFO running `"docker" "rm" "-f" "27d710ef12a0ef2e635c81871b1d7547b52abbaf1a6dc0a8604f8eaa8162fb17"`
Dec 02 08:38:36.527 INFO [stdout] 27d710ef12a0ef2e635c81871b1d7547b52abbaf1a6dc0a8604f8eaa8162fb17
