Nov 01 00:16:29.058 INFO checking n4to4/interpreter-rs against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 00:16:29.058 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 00:16:29.324 INFO blam! 00415c33ec14bfe310f69fab8165a40c7d025d16bd9bdfa9ea98355e8d8fbbd3
Nov 01 00:16:29.326 INFO running `"docker" "start" "-a" "00415c33ec14bfe310f69fab8165a40c7d025d16bd9bdfa9ea98355e8d8fbbd3"`
Nov 01 00:16:30.728 INFO kablam! usermod: no changes
Nov 01 00:16:30.824 INFO kablam!     Checking difference v2.0.0
Nov 01 00:16:31.298 INFO kablam!     Checking pretty_assertions v0.5.1
Nov 01 00:16:31.786 INFO kablam!     Checking interpreter v0.1.0 (/source)
Nov 01 00:16:32.292 INFO kablam! warning: unused `#[macro_use]` import
Nov 01 00:16:32.292 INFO kablam!  --> src/main.rs:3:1
Nov 01 00:16:32.292 INFO kablam!   |
Nov 01 00:16:32.292 INFO kablam! 3 | #[macro_use]
Nov 01 00:16:32.292 INFO kablam!   | ^^^^^^^^^^^^
Nov 01 00:16:32.292 INFO kablam!   |
Nov 01 00:16:32.293 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 00:16:32.293 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: struct is never constructed: `Program`
Nov 01 00:16:32.509 INFO kablam!   --> src/ast.rs:23:1
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 23 | pub struct Program {
Nov 01 00:16:32.509 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `new`
Nov 01 00:16:32.509 INFO kablam!   --> src/ast.rs:27:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 27 |     pub fn new() -> Program {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `token_literal`
Nov 01 00:16:32.509 INFO kablam!   --> src/ast.rs:33:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 33 |     fn token_literal(&self) -> String {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: struct is never constructed: `Identifier`
Nov 01 00:16:32.509 INFO kablam!   --> src/ast.rs:47:1
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 47 | pub struct Identifier {
Nov 01 00:16:32.509 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: struct is never constructed: `LetStatement`
Nov 01 00:16:32.509 INFO kablam!   --> src/ast.rs:63:1
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 63 | pub struct LetStatement {
Nov 01 00:16:32.509 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: struct is never constructed: `Parser`
Nov 01 00:16:32.509 INFO kablam!  --> src/parser.rs:5:1
Nov 01 00:16:32.509 INFO kablam!   |
Nov 01 00:16:32.509 INFO kablam! 5 | struct Parser<'a> {
Nov 01 00:16:32.509 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `new`
Nov 01 00:16:32.509 INFO kablam!   --> src/parser.rs:12:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 12 |     fn new(l: &'a mut Lexer) -> Self {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `next_token`
Nov 01 00:16:32.509 INFO kablam!   --> src/parser.rs:23:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 23 |     fn next_token(&mut self) {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `parse_program`
Nov 01 00:16:32.509 INFO kablam!   --> src/parser.rs:31:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 31 |     fn parse_program(&mut self) -> Option<Program> {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `parse_statement`
Nov 01 00:16:32.509 INFO kablam!   --> src/parser.rs:46:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 46 |     fn parse_statement(&mut self) -> Option<Box<ast::Statement>> {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `parse_let_statement`
Nov 01 00:16:32.509 INFO kablam!   --> src/parser.rs:53:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 53 |     fn parse_let_statement(&mut self) -> Option<ast::LetStatement> {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `cur_token_is`
Nov 01 00:16:32.509 INFO kablam!   --> src/parser.rs:81:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 81 |     fn cur_token_is(&self, t: token::TokenType) -> bool {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `peek_token_is`
Nov 01 00:16:32.509 INFO kablam!   --> src/parser.rs:84:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 84 |     fn peek_token_is(&self, t: token::TokenType) -> bool {
Nov 01 00:16:32.509 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.509 INFO kablam! 
Nov 01 00:16:32.509 INFO kablam! warning: method is never used: `expect_peek`
Nov 01 00:16:32.509 INFO kablam!   --> src/parser.rs:87:5
Nov 01 00:16:32.509 INFO kablam!    |
Nov 01 00:16:32.509 INFO kablam! 87 |     fn expect_peek(&mut self, t: token::TokenType) -> bool {
Nov 01 00:16:32.510 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.510 INFO kablam! 
Nov 01 00:16:32.517 INFO kablam! warning: variant `NOT_EQ` should have a camel case name such as `NotEq`
Nov 01 00:16:32.517 INFO kablam!   --> src/token.rs:27:5
Nov 01 00:16:32.517 INFO kablam!    |
Nov 01 00:16:32.517 INFO kablam! 27 |     NOT_EQ,
Nov 01 00:16:32.517 INFO kablam!    |     ^^^^^^
Nov 01 00:16:32.517 INFO kablam!    |
Nov 01 00:16:32.517 INFO kablam!    = note: #[warn(non_camel_case_types)] on by default
Nov 01 00:16:32.517 INFO kablam! 
Nov 01 00:16:32.696 INFO kablam! warning: method is never used: `token_literal`
Nov 01 00:16:32.696 INFO kablam!   --> src/ast.rs:33:5
Nov 01 00:16:32.696 INFO kablam!    |
Nov 01 00:16:32.696 INFO kablam! 33 |     fn token_literal(&self) -> String {
Nov 01 00:16:32.696 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.696 INFO kablam! 
Nov 01 00:16:32.696 INFO kablam! warning: function is never used: `print_if_string`
Nov 01 00:16:32.696 INFO kablam!    --> src/parser.rs:104:5
Nov 01 00:16:32.696 INFO kablam!     |
Nov 01 00:16:32.696 INFO kablam! 104 |     fn print_if_string(s: &Any) {
Nov 01 00:16:32.696 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 00:16:32.696 INFO kablam! 
Nov 01 00:16:32.708 INFO kablam! warning: variant `NOT_EQ` should have a camel case name such as `NotEq`
Nov 01 00:16:32.708 INFO kablam!   --> src/token.rs:27:5
Nov 01 00:16:32.708 INFO kablam!    |
Nov 01 00:16:32.708 INFO kablam! 27 |     NOT_EQ,
Nov 01 00:16:32.708 INFO kablam!    |     ^^^^^^
Nov 01 00:16:32.708 INFO kablam!    |
Nov 01 00:16:32.708 INFO kablam!    = note: #[warn(non_camel_case_types)] on by default
Nov 01 00:16:32.708 INFO kablam! 
Nov 01 00:16:32.741 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Nov 01 00:16:32.744 INFO kablam! su: No module specific data is present
Nov 01 00:16:33.682 INFO running `"docker" "rm" "-f" "00415c33ec14bfe310f69fab8165a40c7d025d16bd9bdfa9ea98355e8d8fbbd3"`
Nov 01 00:16:34.035 INFO blam! 00415c33ec14bfe310f69fab8165a40c7d025d16bd9bdfa9ea98355e8d8fbbd3