[INFO] updating cached repository https://github.com/df5602/interpreter_tutorial
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56cce21a7c0ad1d6cbf3bcc5751fc2196ae345b2
[INFO] checking df5602/interpreter_tutorial against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Finterpreter_tutorial" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/df5602/interpreter_tutorial on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/df5602/interpreter_tutorial
[INFO] finished tweaking git repo https://github.com/df5602/interpreter_tutorial
[INFO] tweaked toml for git repo https://github.com/df5602/interpreter_tutorial written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/df5602/interpreter_tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2cbb1174c28e9ac4ecddfe2e851dd0e0d309cf1823c51773c43a94ad0ab15ffe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2cbb1174c28e9ac4ecddfe2e851dd0e0d309cf1823c51773c43a94ad0ab15ffe"`
[INFO] [stderr]     Checking leftpad v0.2.0
[INFO] [stderr]     Checking interpreter_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/ast/macros.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / macro_rules! int_node {
[INFO] [stderr] 2 | |     ($ast:expr, $value:expr) => {{
[INFO] [stderr] 3 | |         let node = NumberNode::new(Value::Integer($value), 
[INFO] [stderr] 4 | |                                    Token::new(TokenType::IntegerLiteral, 
[INFO] [stderr] ... |
[INFO] [stderr] 8 | |     }}
[INFO] [stderr] 9 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / macro_rules! real_node {
[INFO] [stderr] 12 | |     ($ast:expr, $value:expr) => {{
[INFO] [stderr] 13 | |         let node = NumberNode::new(Value::Real($value), 
[INFO] [stderr] 14 | |                                    Token::new(TokenType::RealLiteral, 
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |     }}
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / macro_rules! binop_node {
[INFO] [stderr] 22 | |     ($ast:expr, $left:expr, $right:expr, $op:expr) => {{
[INFO] [stderr] 23 | |         let node = BinaryOperatorNode::new($left, $right, $op,
[INFO] [stderr] 24 | |                                            Token::new(TokenType::Operator,
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     }}
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / macro_rules! unop_node {
[INFO] [stderr] 32 | |     ($ast:expr, $operand:expr, $op:expr) => {{
[INFO] [stderr] 33 | |         let node = UnaryOperatorNode::new($operand, $op,
[INFO] [stderr] 34 | |                                           Token::new(TokenType::Operator,
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     }}
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / macro_rules! cmpd_stmt_node {
[INFO] [stderr] 42 | |     ($ast:expr, $statements:expr) => {{
[INFO] [stderr] 43 | |         let node = CompoundStmtNode::new($statements,
[INFO] [stderr] 44 | |                                          Token::new(TokenType::Begin, None, Span::default()),
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |     }}
[INFO] [stderr] 48 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:50:1
[INFO] [stderr]    |
[INFO] [stderr] 50 | / macro_rules! var_node {
[INFO] [stderr] 51 | |     ($ast:expr, $name:expr) => {{
[INFO] [stderr] 52 | |         let node = VariableNode::new($name.to_string(),
[INFO] [stderr] 53 | |                                      Token::new(TokenType::Identifier,
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     }}
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | / macro_rules! assign_node {
[INFO] [stderr] 61 | |     ($ast:expr, $var:expr, $expr:expr) => {{
[INFO] [stderr] 62 | |         let node = AssignmentStmtNode::new($var, $expr,
[INFO] [stderr] 63 | |                                            Token::new(TokenType::Assign, None, Span::default()));
[INFO] [stderr] 64 | |         $ast.add_node(node)
[INFO] [stderr] 65 | |     }}
[INFO] [stderr] 66 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | / macro_rules! block_node {
[INFO] [stderr] 69 | |     ($ast:expr, $declarations:expr, $cmpd_stmt:expr) => {{
[INFO] [stderr] 70 | |         let node = BlockNode::new($declarations, $cmpd_stmt);
[INFO] [stderr] 71 | |         $ast.add_node(node)
[INFO] [stderr] 72 | |     }}
[INFO] [stderr] 73 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / macro_rules! type_node {
[INFO] [stderr] 76 | |     ($ast:expr, $type_spec:expr) => {{
[INFO] [stderr] 77 | |         let node = TypeNode::new($type_spec,
[INFO] [stderr] 78 | |                                  Token::new(TokenType::TypeSpecifier,
[INFO] [stderr] ...  |
[INFO] [stderr] 82 | |     }}
[INFO] [stderr] 83 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:85:1
[INFO] [stderr]    |
[INFO] [stderr] 85 | / macro_rules! var_decl_node {
[INFO] [stderr] 86 | |     ($ast:expr, $var_name:expr, $type_spec:expr) => {{
[INFO] [stderr] 87 | |         let node = VariableDeclNode::new($var_name, $type_spec);
[INFO] [stderr] 88 | |         $ast.add_node(node)
[INFO] [stderr] 89 | |     }}
[INFO] [stderr] 90 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/ast/macros.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | / macro_rules! program_node {
[INFO] [stderr] 93 | |     ($ast:expr, $name:expr, $variable:expr, $block:expr) => {{
[INFO] [stderr] 94 | |         let node = ProgramNode::new($name.to_string(), $variable, $block);
[INFO] [stderr] 95 | |         $ast.add_node(node)
[INFO] [stderr] 96 | |     }}
[INFO] [stderr] 97 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:75:20
[INFO] [stderr]    |
[INFO] [stderr] 75 |     nodes: Vec<Box<AstNode + 'a>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn AstNode + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/mod.rs:111:49
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn get_node(&self, index: AstIndex) -> &AstNode {
[INFO] [stderr]     |                                                 ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/mod.rs:121:61
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn get_node_mut(&mut self, index: AstIndex) -> &mut AstNode {
[INFO] [stderr]     |                                                             ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/mod.rs:126:39
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn get_root(&self) -> Option<&AstNode> {
[INFO] [stderr]     |                                       ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:53:50
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   file_res.unwrap_err().description()));
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:59:77
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Err(why) => Err(format!("Couldn't read {}: {}", path.display(), why.description())),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/ast/assignment_stmt_node.rs:251:50
[INFO] [stderr]     |
[INFO] [stderr] 251 | ...                   real_node!(ast, (i64::MAX as f64 + 1000.0)));
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/ast/assignment_stmt_node.rs:251:50
[INFO] [stderr]     |
[INFO] [stderr] 251 | ...                   real_node!(ast, (i64::MAX as f64 + 1000.0)));
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ast/mod.rs:75:20
[INFO] [stderr]    |
[INFO] [stderr] 75 |     nodes: Vec<Box<AstNode + 'a>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn AstNode + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/mod.rs:111:49
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn get_node(&self, index: AstIndex) -> &AstNode {
[INFO] [stderr]     |                                                 ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/mod.rs:121:61
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn get_node_mut(&mut self, index: AstIndex) -> &mut AstNode {
[INFO] [stderr]     |                                                             ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast/mod.rs:126:39
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn get_root(&self) -> Option<&AstNode> {
[INFO] [stderr]     |                                       ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lexer/pascal_lexer.rs:221:34
[INFO] [stderr]     |
[INFO] [stderr] 221 | ...                   e.description(),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lexer/pascal_lexer.rs:232:30
[INFO] [stderr]     |
[INFO] [stderr] 232 | ...                   e.description(),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:53:50
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   file_res.unwrap_err().description()));
[INFO] [stderr]    |                                             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:59:77
[INFO] [stderr]    |
[INFO] [stderr] 59 |         Err(why) => Err(format!("Couldn't read {}: {}", path.display(), why.description())),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lexer/pascal_lexer.rs:221:34
[INFO] [stderr]     |
[INFO] [stderr] 221 | ...                   e.description(),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/lexer/pascal_lexer.rs:232:30
[INFO] [stderr]     |
[INFO] [stderr] 232 | ...                   e.description(),
[INFO] [stderr]     |                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `"docker" "inspect" "2cbb1174c28e9ac4ecddfe2e851dd0e0d309cf1823c51773c43a94ad0ab15ffe"`
[INFO] running `"docker" "rm" "-f" "2cbb1174c28e9ac4ecddfe2e851dd0e0d309cf1823c51773c43a94ad0ab15ffe"`
[INFO] [stdout] 2cbb1174c28e9ac4ecddfe2e851dd0e0d309cf1823c51773c43a94ad0ab15ffe