Oct 12 16:47:51.213 INFO checking n4to4/interpreter-rs against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 16:47:51.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 16:47:51.480 INFO blam! bfca56cb06ed4be74acc032ebddc6ea2b375abb23a6da0fd91e5eabf0de372f4
Oct 12 16:47:51.482 INFO running `"docker" "start" "-a" "bfca56cb06ed4be74acc032ebddc6ea2b375abb23a6da0fd91e5eabf0de372f4"`
Oct 12 16:47:52.724 INFO kablam! usermod: no changes
Oct 12 16:47:52.796 INFO kablam!     Checking interpreter v0.1.0 (/source)
Oct 12 16:47:53.248 INFO kablam! warning: unused `#[macro_use]` import
Oct 12 16:47:53.248 INFO kablam!  --> src/main.rs:3:1
Oct 12 16:47:53.248 INFO kablam!   |
Oct 12 16:47:53.248 INFO kablam! 3 | #[macro_use]
Oct 12 16:47:53.248 INFO kablam!   | ^^^^^^^^^^^^
Oct 12 16:47:53.248 INFO kablam!   |
Oct 12 16:47:53.248 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 16:47:53.260 INFO kablam! 
Oct 12 16:47:53.584 INFO kablam! warning: struct is never constructed: `Program`
Oct 12 16:47:53.584 INFO kablam!   --> src/ast.rs:23:1
Oct 12 16:47:53.584 INFO kablam!    |
Oct 12 16:47:53.584 INFO kablam! 23 | pub struct Program {
Oct 12 16:47:53.584 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.584 INFO kablam! 
Oct 12 16:47:53.584 INFO kablam! warning: method is never used: `new`
Oct 12 16:47:53.584 INFO kablam!   --> src/ast.rs:27:5
Oct 12 16:47:53.584 INFO kablam!    |
Oct 12 16:47:53.584 INFO kablam! 27 |     pub fn new() -> Program {
Oct 12 16:47:53.584 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.584 INFO kablam! 
Oct 12 16:47:53.584 INFO kablam! warning: method is never used: `token_literal`
Oct 12 16:47:53.584 INFO kablam!   --> src/ast.rs:33:5
Oct 12 16:47:53.584 INFO kablam!    |
Oct 12 16:47:53.584 INFO kablam! 33 |     fn token_literal(&self) -> String {
Oct 12 16:47:53.584 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.584 INFO kablam! 
Oct 12 16:47:53.584 INFO kablam! warning: struct is never constructed: `Identifier`
Oct 12 16:47:53.584 INFO kablam!   --> src/ast.rs:47:1
Oct 12 16:47:53.584 INFO kablam!    |
Oct 12 16:47:53.584 INFO kablam! 47 | pub struct Identifier {
Oct 12 16:47:53.584 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.584 INFO kablam! 
Oct 12 16:47:53.584 INFO kablam! warning: struct is never constructed: `LetStatement`
Oct 12 16:47:53.584 INFO kablam!   --> src/ast.rs:63:1
Oct 12 16:47:53.584 INFO kablam!    |
Oct 12 16:47:53.584 INFO kablam! 63 | pub struct LetStatement {
Oct 12 16:47:53.584 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: struct is never constructed: `Parser`
Oct 12 16:47:53.585 INFO kablam!  --> src/parser.rs:5:1
Oct 12 16:47:53.585 INFO kablam!   |
Oct 12 16:47:53.585 INFO kablam! 5 | struct Parser<'a> {
Oct 12 16:47:53.585 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: method is never used: `new`
Oct 12 16:47:53.585 INFO kablam!   --> src/parser.rs:12:5
Oct 12 16:47:53.585 INFO kablam!    |
Oct 12 16:47:53.585 INFO kablam! 12 |     fn new(l: &'a mut Lexer) -> Self {
Oct 12 16:47:53.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: method is never used: `next_token`
Oct 12 16:47:53.585 INFO kablam!   --> src/parser.rs:23:5
Oct 12 16:47:53.585 INFO kablam!    |
Oct 12 16:47:53.585 INFO kablam! 23 |     fn next_token(&mut self) {
Oct 12 16:47:53.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: method is never used: `parse_program`
Oct 12 16:47:53.585 INFO kablam!   --> src/parser.rs:31:5
Oct 12 16:47:53.585 INFO kablam!    |
Oct 12 16:47:53.585 INFO kablam! 31 |     fn parse_program(&mut self) -> Option<Program> {
Oct 12 16:47:53.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: method is never used: `parse_statement`
Oct 12 16:47:53.585 INFO kablam!   --> src/parser.rs:46:5
Oct 12 16:47:53.585 INFO kablam!    |
Oct 12 16:47:53.585 INFO kablam! 46 |     fn parse_statement(&mut self) -> Option<Box<ast::Statement>> {
Oct 12 16:47:53.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: method is never used: `parse_let_statement`
Oct 12 16:47:53.585 INFO kablam!   --> src/parser.rs:53:5
Oct 12 16:47:53.585 INFO kablam!    |
Oct 12 16:47:53.585 INFO kablam! 53 |     fn parse_let_statement(&mut self) -> Option<ast::LetStatement> {
Oct 12 16:47:53.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: method is never used: `cur_token_is`
Oct 12 16:47:53.585 INFO kablam!   --> src/parser.rs:81:5
Oct 12 16:47:53.585 INFO kablam!    |
Oct 12 16:47:53.585 INFO kablam! 81 |     fn cur_token_is(&self, t: token::TokenType) -> bool {
Oct 12 16:47:53.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: method is never used: `peek_token_is`
Oct 12 16:47:53.585 INFO kablam!   --> src/parser.rs:84:5
Oct 12 16:47:53.585 INFO kablam!    |
Oct 12 16:47:53.585 INFO kablam! 84 |     fn peek_token_is(&self, t: token::TokenType) -> bool {
Oct 12 16:47:53.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.585 INFO kablam! warning: method is never used: `expect_peek`
Oct 12 16:47:53.585 INFO kablam!   --> src/parser.rs:87:5
Oct 12 16:47:53.585 INFO kablam!    |
Oct 12 16:47:53.585 INFO kablam! 87 |     fn expect_peek(&mut self, t: token::TokenType) -> bool {
Oct 12 16:47:53.585 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.585 INFO kablam! 
Oct 12 16:47:53.604 INFO kablam! warning: variant `NOT_EQ` should have a camel case name such as `NotEq`
Oct 12 16:47:53.604 INFO kablam!   --> src/token.rs:27:5
Oct 12 16:47:53.604 INFO kablam!    |
Oct 12 16:47:53.604 INFO kablam! 27 |     NOT_EQ,
Oct 12 16:47:53.604 INFO kablam!    |     ^^^^^^
Oct 12 16:47:53.604 INFO kablam!    |
Oct 12 16:47:53.604 INFO kablam!    = note: #[warn(non_camel_case_types)] on by default
Oct 12 16:47:53.604 INFO kablam! 
Oct 12 16:47:53.696 INFO kablam! warning: method is never used: `token_literal`
Oct 12 16:47:53.696 INFO kablam!   --> src/ast.rs:33:5
Oct 12 16:47:53.696 INFO kablam!    |
Oct 12 16:47:53.696 INFO kablam! 33 |     fn token_literal(&self) -> String {
Oct 12 16:47:53.696 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.696 INFO kablam! 
Oct 12 16:47:53.696 INFO kablam! warning: function is never used: `print_if_string`
Oct 12 16:47:53.696 INFO kablam!    --> src/parser.rs:104:5
Oct 12 16:47:53.696 INFO kablam!     |
Oct 12 16:47:53.696 INFO kablam! 104 |     fn print_if_string(s: &Any) {
Oct 12 16:47:53.696 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 16:47:53.696 INFO kablam! 
Oct 12 16:47:53.708 INFO kablam! warning: variant `NOT_EQ` should have a camel case name such as `NotEq`
Oct 12 16:47:53.708 INFO kablam!   --> src/token.rs:27:5
Oct 12 16:47:53.708 INFO kablam!    |
Oct 12 16:47:53.708 INFO kablam! 27 |     NOT_EQ,
Oct 12 16:47:53.708 INFO kablam!    |     ^^^^^^
Oct 12 16:47:53.708 INFO kablam!    |
Oct 12 16:47:53.708 INFO kablam!    = note: #[warn(non_camel_case_types)] on by default
Oct 12 16:47:53.708 INFO kablam! 
Oct 12 16:47:53.723 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Oct 12 16:47:53.726 INFO kablam! su: No module specific data is present
Oct 12 16:47:55.072 INFO running `"docker" "rm" "-f" "bfca56cb06ed4be74acc032ebddc6ea2b375abb23a6da0fd91e5eabf0de372f4"`
Oct 12 16:47:55.340 INFO blam! bfca56cb06ed4be74acc032ebddc6ea2b375abb23a6da0fd91e5eabf0de372f4