Nov 16 18:38:24.008 INFO testing n4to4/interpreter-rs against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 18:38:24.008 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 18:38:24.303 INFO [stdout] d9c5b4e236cc4135ead716a4bedd290bacec5c43dcc8673a8c3c1c3dd335750f
Nov 16 18:38:24.309 INFO running `"docker" "start" "-a" "d9c5b4e236cc4135ead716a4bedd290bacec5c43dcc8673a8c3c1c3dd335750f"`
Nov 16 18:38:25.027 INFO [stderr] usermod: no changes
Nov 16 18:38:25.062 INFO [stderr]    Compiling pretty_assertions v0.5.1
Nov 16 18:38:25.556 INFO [stderr]    Compiling interpreter v0.1.0 (/source)
Nov 16 18:38:25.727 INFO [stderr] warning: unused `#[macro_use]` import
Nov 16 18:38:25.727 INFO [stderr]  --> src/main.rs:3:1
Nov 16 18:38:25.728 INFO [stderr]   |
Nov 16 18:38:25.728 INFO [stderr] 3 | #[macro_use]
Nov 16 18:38:25.728 INFO [stderr]   | ^^^^^^^^^^^^
Nov 16 18:38:25.729 INFO [stderr]   |
Nov 16 18:38:25.729 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 18:38:25.729 INFO [stderr] 
Nov 16 18:38:25.843 INFO [stderr] warning: struct is never constructed: `Program`
Nov 16 18:38:25.843 INFO [stderr]   --> src/ast.rs:23:1
Nov 16 18:38:25.844 INFO [stderr]    |
Nov 16 18:38:25.844 INFO [stderr] 23 | pub struct Program {
Nov 16 18:38:25.844 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.844 INFO [stderr] 
Nov 16 18:38:25.845 INFO [stderr] warning: method is never used: `new`
Nov 16 18:38:25.845 INFO [stderr]   --> src/ast.rs:27:5
Nov 16 18:38:25.845 INFO [stderr]    |
Nov 16 18:38:25.846 INFO [stderr] 27 |     pub fn new() -> Program {
Nov 16 18:38:25.846 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.846 INFO [stderr] 
Nov 16 18:38:25.846 INFO [stderr] warning: method is never used: `token_literal`
Nov 16 18:38:25.847 INFO [stderr]   --> src/ast.rs:33:5
Nov 16 18:38:25.847 INFO [stderr]    |
Nov 16 18:38:25.847 INFO [stderr] 33 |     fn token_literal(&self) -> String {
Nov 16 18:38:25.848 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.848 INFO [stderr] 
Nov 16 18:38:25.848 INFO [stderr] warning: struct is never constructed: `Identifier`
Nov 16 18:38:25.848 INFO [stderr]   --> src/ast.rs:47:1
Nov 16 18:38:25.849 INFO [stderr]    |
Nov 16 18:38:25.849 INFO [stderr] 47 | pub struct Identifier {
Nov 16 18:38:25.849 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.849 INFO [stderr] 
Nov 16 18:38:25.850 INFO [stderr] warning: struct is never constructed: `LetStatement`
Nov 16 18:38:25.850 INFO [stderr]   --> src/ast.rs:63:1
Nov 16 18:38:25.850 INFO [stderr]    |
Nov 16 18:38:25.851 INFO [stderr] 63 | pub struct LetStatement {
Nov 16 18:38:25.851 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.851 INFO [stderr] 
Nov 16 18:38:25.851 INFO [stderr] warning: struct is never constructed: `Parser`
Nov 16 18:38:25.852 INFO [stderr]  --> src/parser.rs:5:1
Nov 16 18:38:25.852 INFO [stderr]   |
Nov 16 18:38:25.852 INFO [stderr] 5 | struct Parser<'a> {
Nov 16 18:38:25.852 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.853 INFO [stderr] 
Nov 16 18:38:25.853 INFO [stderr] warning: method is never used: `new`
Nov 16 18:38:25.853 INFO [stderr]   --> src/parser.rs:12:5
Nov 16 18:38:25.854 INFO [stderr]    |
Nov 16 18:38:25.854 INFO [stderr] 12 |     fn new(l: &'a mut Lexer) -> Self {
Nov 16 18:38:25.854 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.855 INFO [stderr] 
Nov 16 18:38:25.855 INFO [stderr] warning: method is never used: `next_token`
Nov 16 18:38:25.855 INFO [stderr]   --> src/parser.rs:23:5
Nov 16 18:38:25.856 INFO [stderr]    |
Nov 16 18:38:25.856 INFO [stderr] 23 |     fn next_token(&mut self) {
Nov 16 18:38:25.856 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.856 INFO [stderr] 
Nov 16 18:38:25.857 INFO [stderr] warning: method is never used: `parse_program`
Nov 16 18:38:25.857 INFO [stderr]   --> src/parser.rs:31:5
Nov 16 18:38:25.857 INFO [stderr]    |
Nov 16 18:38:25.858 INFO [stderr] 31 |     fn parse_program(&mut self) -> Option<Program> {
Nov 16 18:38:25.858 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.858 INFO [stderr] 
Nov 16 18:38:25.858 INFO [stderr] warning: method is never used: `parse_statement`
Nov 16 18:38:25.863 INFO [stderr]   --> src/parser.rs:46:5
Nov 16 18:38:25.863 INFO [stderr]    |
Nov 16 18:38:25.863 INFO [stderr] 46 |     fn parse_statement(&mut self) -> Option<Box<ast::Statement>> {
Nov 16 18:38:25.864 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.864 INFO [stderr] 
Nov 16 18:38:25.864 INFO [stderr] warning: method is never used: `parse_let_statement`
Nov 16 18:38:25.864 INFO [stderr]   --> src/parser.rs:53:5
Nov 16 18:38:25.865 INFO [stderr]    |
Nov 16 18:38:25.865 INFO [stderr] 53 |     fn parse_let_statement(&mut self) -> Option<ast::LetStatement> {
Nov 16 18:38:25.865 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.865 INFO [stderr] 
Nov 16 18:38:25.870 INFO [stderr] warning: method is never used: `cur_token_is`
Nov 16 18:38:25.875 INFO [stderr]   --> src/parser.rs:81:5
Nov 16 18:38:25.875 INFO [stderr]    |
Nov 16 18:38:25.875 INFO [stderr] 81 |     fn cur_token_is(&self, t: token::TokenType) -> bool {
Nov 16 18:38:25.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.875 INFO [stderr] 
Nov 16 18:38:25.875 INFO [stderr] warning: method is never used: `peek_token_is`
Nov 16 18:38:25.875 INFO [stderr]   --> src/parser.rs:84:5
Nov 16 18:38:25.875 INFO [stderr]    |
Nov 16 18:38:25.875 INFO [stderr] 84 |     fn peek_token_is(&self, t: token::TokenType) -> bool {
Nov 16 18:38:25.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.875 INFO [stderr] 
Nov 16 18:38:25.875 INFO [stderr] warning: method is never used: `expect_peek`
Nov 16 18:38:25.875 INFO [stderr]   --> src/parser.rs:87:5
Nov 16 18:38:25.875 INFO [stderr]    |
Nov 16 18:38:25.875 INFO [stderr] 87 |     fn expect_peek(&mut self, t: token::TokenType) -> bool {
Nov 16 18:38:25.875 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:25.875 INFO [stderr] 
Nov 16 18:38:25.875 INFO [stderr] warning: variant `NOT_EQ` should have a camel case name such as `NotEq`
Nov 16 18:38:25.875 INFO [stderr]   --> src/token.rs:27:5
Nov 16 18:38:25.875 INFO [stderr]    |
Nov 16 18:38:25.875 INFO [stderr] 27 |     NOT_EQ,
Nov 16 18:38:25.875 INFO [stderr]    |     ^^^^^^
Nov 16 18:38:25.875 INFO [stderr]    |
Nov 16 18:38:25.875 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 16 18:38:25.875 INFO [stderr] 
Nov 16 18:38:26.284 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Nov 16 18:38:26.288 INFO [stderr] su: No module specific data is present
Nov 16 18:38:26.797 INFO running `"docker" "inspect" "d9c5b4e236cc4135ead716a4bedd290bacec5c43dcc8673a8c3c1c3dd335750f"`
Nov 16 18:38:27.033 INFO running `"docker" "rm" "-f" "d9c5b4e236cc4135ead716a4bedd290bacec5c43dcc8673a8c3c1c3dd335750f"`
Nov 16 18:38:27.211 INFO [stdout] d9c5b4e236cc4135ead716a4bedd290bacec5c43dcc8673a8c3c1c3dd335750f
Nov 16 18:38:27.213 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 18:38:27.528 INFO [stdout] 2ea3826cd3707ec5bc4766026a592f8ec0ef1e27400fe23ba083826467cd95b0
Nov 16 18:38:27.530 INFO running `"docker" "start" "-a" "2ea3826cd3707ec5bc4766026a592f8ec0ef1e27400fe23ba083826467cd95b0"`
Nov 16 18:38:28.015 INFO [stderr] usermod: no changes
Nov 16 18:38:28.053 INFO [stderr]    Compiling interpreter v0.1.0 (/source)
Nov 16 18:38:28.465 INFO [stderr] warning: method is never used: `token_literal`
Nov 16 18:38:28.465 INFO [stderr]   --> src/ast.rs:33:5
Nov 16 18:38:28.465 INFO [stderr]    |
Nov 16 18:38:28.465 INFO [stderr] 33 |     fn token_literal(&self) -> String {
Nov 16 18:38:28.465 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:28.465 INFO [stderr] 
Nov 16 18:38:28.465 INFO [stderr] warning: function is never used: `print_if_string`
Nov 16 18:38:28.465 INFO [stderr]    --> src/parser.rs:104:5
Nov 16 18:38:28.466 INFO [stderr]     |
Nov 16 18:38:28.466 INFO [stderr] 104 |     fn print_if_string(s: &Any) {
Nov 16 18:38:28.466 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 18:38:28.466 INFO [stderr] 
Nov 16 18:38:28.474 INFO [stderr] warning: variant `NOT_EQ` should have a camel case name such as `NotEq`
Nov 16 18:38:28.474 INFO [stderr]   --> src/token.rs:27:5
Nov 16 18:38:28.474 INFO [stderr]    |
Nov 16 18:38:28.474 INFO [stderr] 27 |     NOT_EQ,
Nov 16 18:38:28.474 INFO [stderr]    |     ^^^^^^
Nov 16 18:38:28.474 INFO [stderr]    |
Nov 16 18:38:28.474 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Nov 16 18:38:28.474 INFO [stderr] 
Nov 16 18:38:29.029 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Nov 16 18:38:29.032 INFO [stderr] su: No module specific data is present
Nov 16 18:38:29.282 INFO running `"docker" "inspect" "2ea3826cd3707ec5bc4766026a592f8ec0ef1e27400fe23ba083826467cd95b0"`
Nov 16 18:38:29.363 INFO running `"docker" "rm" "-f" "2ea3826cd3707ec5bc4766026a592f8ec0ef1e27400fe23ba083826467cd95b0"`
Nov 16 18:38:29.474 INFO [stdout] 2ea3826cd3707ec5bc4766026a592f8ec0ef1e27400fe23ba083826467cd95b0
Nov 16 18:38:29.479 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 16 18:38:29.707 INFO [stdout] 57909bab40c562452d5fc5267bb58cab0d330b2d948d3ffa815a35761fd84b69
Nov 16 18:38:29.711 INFO running `"docker" "start" "-a" "57909bab40c562452d5fc5267bb58cab0d330b2d948d3ffa815a35761fd84b69"`
Nov 16 18:38:30.141 INFO [stderr] usermod: no changes
Nov 16 18:38:30.187 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 18:38:30.187 INFO [stderr]      Running /target/debug/deps/interpreter-2e8cd17edd3731bd
Nov 16 18:38:30.190 INFO [stdout] 
Nov 16 18:38:30.190 INFO [stdout] running 3 tests
Nov 16 18:38:30.191 INFO [stdout] test token::tests::next_token ... ok
Nov 16 18:38:30.191 INFO [stdout] test parser::tests::let_statements ... ok
Nov 16 18:38:30.191 INFO [stdout] test token::tests::next_token2 ... ok
Nov 16 18:38:30.191 INFO [stdout] 
Nov 16 18:38:30.191 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 18:38:30.191 INFO [stdout] 
Nov 16 18:38:30.193 INFO [stderr] su: No module specific data is present
Nov 16 18:38:30.649 INFO running `"docker" "inspect" "57909bab40c562452d5fc5267bb58cab0d330b2d948d3ffa815a35761fd84b69"`
Nov 16 18:38:30.809 INFO running `"docker" "rm" "-f" "57909bab40c562452d5fc5267bb58cab0d330b2d948d3ffa815a35761fd84b69"`
Nov 16 18:38:30.995 INFO [stdout] 57909bab40c562452d5fc5267bb58cab0d330b2d948d3ffa815a35761fd84b69