Dec 05 13:20:15.457 INFO testing n4to4/interpreter-rs against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 13:20:15.457 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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"`
Dec 05 13:20:15.636 INFO [stdout] 2470af3abbca68b363557949e54c0e7b3cf662508c555fcf922916f804fcf931
Dec 05 13:20:15.638 INFO running `"docker" "start" "-a" "2470af3abbca68b363557949e54c0e7b3cf662508c555fcf922916f804fcf931"`
Dec 05 13:20:16.419 INFO [stderr] usermod: no changes
Dec 05 13:20:16.496 INFO [stderr]    Compiling pretty_assertions v0.5.1
Dec 05 13:20:17.267 INFO [stderr]    Compiling interpreter v0.1.0 (/source)
Dec 05 13:20:17.492 INFO [stderr] warning: unused `#[macro_use]` import
Dec 05 13:20:17.492 INFO [stderr]  --> src/main.rs:3:1
Dec 05 13:20:17.492 INFO [stderr]   |
Dec 05 13:20:17.492 INFO [stderr] 3 | #[macro_use]
Dec 05 13:20:17.492 INFO [stderr]   | ^^^^^^^^^^^^
Dec 05 13:20:17.492 INFO [stderr]   |
Dec 05 13:20:17.492 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 13:20:17.492 INFO [stderr] 
Dec 05 13:20:17.596 INFO [stderr] warning: struct is never constructed: `Program`
Dec 05 13:20:17.597 INFO [stderr]   --> src/ast.rs:23:1
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 23 | pub struct Program {
Dec 05 13:20:17.597 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `new`
Dec 05 13:20:17.597 INFO [stderr]   --> src/ast.rs:27:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 27 |     pub fn new() -> Program {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `token_literal`
Dec 05 13:20:17.597 INFO [stderr]   --> src/ast.rs:33:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 33 |     fn token_literal(&self) -> String {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: struct is never constructed: `Identifier`
Dec 05 13:20:17.597 INFO [stderr]   --> src/ast.rs:47:1
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 47 | pub struct Identifier {
Dec 05 13:20:17.597 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: struct is never constructed: `LetStatement`
Dec 05 13:20:17.597 INFO [stderr]   --> src/ast.rs:63:1
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 63 | pub struct LetStatement {
Dec 05 13:20:17.597 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: struct is never constructed: `Parser`
Dec 05 13:20:17.597 INFO [stderr]  --> src/parser.rs:5:1
Dec 05 13:20:17.597 INFO [stderr]   |
Dec 05 13:20:17.597 INFO [stderr] 5 | struct Parser<'a> {
Dec 05 13:20:17.597 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `new`
Dec 05 13:20:17.597 INFO [stderr]   --> src/parser.rs:12:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 12 |     fn new(l: &'a mut Lexer) -> Self {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `next_token`
Dec 05 13:20:17.597 INFO [stderr]   --> src/parser.rs:23:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 23 |     fn next_token(&mut self) {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `parse_program`
Dec 05 13:20:17.597 INFO [stderr]   --> src/parser.rs:31:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 31 |     fn parse_program(&mut self) -> Option<Program> {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `parse_statement`
Dec 05 13:20:17.597 INFO [stderr]   --> src/parser.rs:46:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 46 |     fn parse_statement(&mut self) -> Option<Box<ast::Statement>> {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `parse_let_statement`
Dec 05 13:20:17.597 INFO [stderr]   --> src/parser.rs:53:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 53 |     fn parse_let_statement(&mut self) -> Option<ast::LetStatement> {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `cur_token_is`
Dec 05 13:20:17.597 INFO [stderr]   --> src/parser.rs:81:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 81 |     fn cur_token_is(&self, t: token::TokenType) -> bool {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `peek_token_is`
Dec 05 13:20:17.597 INFO [stderr]   --> src/parser.rs:84:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 84 |     fn peek_token_is(&self, t: token::TokenType) -> bool {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.597 INFO [stderr] warning: method is never used: `expect_peek`
Dec 05 13:20:17.597 INFO [stderr]   --> src/parser.rs:87:5
Dec 05 13:20:17.597 INFO [stderr]    |
Dec 05 13:20:17.597 INFO [stderr] 87 |     fn expect_peek(&mut self, t: token::TokenType) -> bool {
Dec 05 13:20:17.597 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:17.597 INFO [stderr] 
Dec 05 13:20:17.612 INFO [stderr] warning: variant `NOT_EQ` should have a camel case name such as `NotEq`
Dec 05 13:20:17.614 INFO [stderr]   --> src/token.rs:27:5
Dec 05 13:20:17.614 INFO [stderr]    |
Dec 05 13:20:17.614 INFO [stderr] 27 |     NOT_EQ,
Dec 05 13:20:17.614 INFO [stderr]    |     ^^^^^^
Dec 05 13:20:17.614 INFO [stderr]    |
Dec 05 13:20:17.614 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 05 13:20:17.614 INFO [stderr] 
Dec 05 13:20:18.047 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
Dec 05 13:20:18.049 INFO [stderr] su: No module specific data is present
Dec 05 13:20:18.420 INFO running `"docker" "inspect" "2470af3abbca68b363557949e54c0e7b3cf662508c555fcf922916f804fcf931"`
Dec 05 13:20:18.526 INFO running `"docker" "rm" "-f" "2470af3abbca68b363557949e54c0e7b3cf662508c555fcf922916f804fcf931"`
Dec 05 13:20:18.744 INFO [stdout] 2470af3abbca68b363557949e54c0e7b3cf662508c555fcf922916f804fcf931
Dec 05 13:20:18.749 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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"`
Dec 05 13:20:19.070 INFO [stdout] 81e4f2467a21d45af0e93886c6a64a43fc7616350f7d8384a894c10ac51d200e
Dec 05 13:20:19.070 INFO running `"docker" "start" "-a" "81e4f2467a21d45af0e93886c6a64a43fc7616350f7d8384a894c10ac51d200e"`
Dec 05 13:20:19.780 INFO [stderr] usermod: no changes
Dec 05 13:20:19.828 INFO [stderr]    Compiling interpreter v0.1.0 (/source)
Dec 05 13:20:20.296 INFO [stderr] warning: method is never used: `token_literal`
Dec 05 13:20:20.296 INFO [stderr]   --> src/ast.rs:33:5
Dec 05 13:20:20.296 INFO [stderr]    |
Dec 05 13:20:20.296 INFO [stderr] 33 |     fn token_literal(&self) -> String {
Dec 05 13:20:20.296 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:20.296 INFO [stderr] 
Dec 05 13:20:20.296 INFO [stderr] warning: function is never used: `print_if_string`
Dec 05 13:20:20.296 INFO [stderr]    --> src/parser.rs:104:5
Dec 05 13:20:20.296 INFO [stderr]     |
Dec 05 13:20:20.296 INFO [stderr] 104 |     fn print_if_string(s: &Any) {
Dec 05 13:20:20.296 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:20:20.296 INFO [stderr] 
Dec 05 13:20:20.304 INFO [stderr] warning: variant `NOT_EQ` should have a camel case name such as `NotEq`
Dec 05 13:20:20.304 INFO [stderr]   --> src/token.rs:27:5
Dec 05 13:20:20.304 INFO [stderr]    |
Dec 05 13:20:20.304 INFO [stderr] 27 |     NOT_EQ,
Dec 05 13:20:20.304 INFO [stderr]    |     ^^^^^^
Dec 05 13:20:20.304 INFO [stderr]    |
Dec 05 13:20:20.308 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 05 13:20:20.308 INFO [stderr] 
Dec 05 13:20:20.961 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Dec 05 13:20:20.966 INFO [stderr] su: No module specific data is present
Dec 05 13:20:21.236 INFO running `"docker" "inspect" "81e4f2467a21d45af0e93886c6a64a43fc7616350f7d8384a894c10ac51d200e"`
Dec 05 13:20:21.331 INFO running `"docker" "rm" "-f" "81e4f2467a21d45af0e93886c6a64a43fc7616350f7d8384a894c10ac51d200e"`
Dec 05 13:20:21.490 INFO [stdout] 81e4f2467a21d45af0e93886c6a64a43fc7616350f7d8384a894c10ac51d200e
Dec 05 13:20:21.494 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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"`
Dec 05 13:20:21.796 INFO [stdout] 1820e0c8d732e1bd419761d7d032abfe5d7a372821861290467097301853e4cf
Dec 05 13:20:21.802 INFO running `"docker" "start" "-a" "1820e0c8d732e1bd419761d7d032abfe5d7a372821861290467097301853e4cf"`
Dec 05 13:20:22.202 INFO [stderr] usermod: no changes
Dec 05 13:20:22.234 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 13:20:22.235 INFO [stderr]      Running /target/debug/deps/interpreter-57a83997f0b4300d
Dec 05 13:20:22.236 INFO [stdout] 
Dec 05 13:20:22.236 INFO [stdout] running 3 tests
Dec 05 13:20:22.237 INFO [stdout] test parser::tests::let_statements ... ok
Dec 05 13:20:22.237 INFO [stdout] test token::tests::next_token ... ok
Dec 05 13:20:22.238 INFO [stdout] test token::tests::next_token2 ... ok
Dec 05 13:20:22.238 INFO [stdout] 
Dec 05 13:20:22.238 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 13:20:22.238 INFO [stdout] 
Dec 05 13:20:22.240 INFO [stderr] su: No module specific data is present
Dec 05 13:20:22.547 INFO running `"docker" "inspect" "1820e0c8d732e1bd419761d7d032abfe5d7a372821861290467097301853e4cf"`
Dec 05 13:20:22.642 INFO running `"docker" "rm" "-f" "1820e0c8d732e1bd419761d7d032abfe5d7a372821861290467097301853e4cf"`
Dec 05 13:20:22.776 INFO [stdout] 1820e0c8d732e1bd419761d7d032abfe5d7a372821861290467097301853e4cf