[INFO] cloning repository https://github.com/df5602/interpreter_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/df5602/interpreter_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Finterpreter_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Finterpreter_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56cce21a7c0ad1d6cbf3bcc5751fc2196ae345b2
[INFO] checking df5602/interpreter_tutorial against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Finterpreter_tutorial" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/df5602/interpreter_tutorial on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/df5602/interpreter_tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quale v1.0.0
[INFO] [stderr]   Downloaded afl-plugin v0.1.5
[INFO] [stderr]   Downloaded afl v0.1.5
[INFO] [stderr]   Downloaded leftpad v0.2.0
[INFO] [stderr]   Downloaded afl-sys v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aca59a778da8f3b9b930004716f78bf95c8316e594bbc4d4371ac759a7b2c44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1aca59a778da8f3b9b930004716f78bf95c8316e594bbc4d4371ac759a7b2c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aca59a778da8f3b9b930004716f78bf95c8316e594bbc4d4371ac759a7b2c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aca59a778da8f3b9b930004716f78bf95c8316e594bbc4d4371ac759a7b2c44", kill_on_drop: false }`
[INFO] [stdout] 1aca59a778da8f3b9b930004716f78bf95c8316e594bbc4d4371ac759a7b2c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 43e1df399f11dd2f04b35cd4898da7ed9971d701ce1795a44740d7513af1f4b1
[INFO] running `Command { std: "docker" "start" "-a" "43e1df399f11dd2f04b35cd4898da7ed9971d701ce1795a44740d7513af1f4b1", kill_on_drop: false }`
[INFO] [stderr]     Checking leftpad v0.2.0
[INFO] [stderr]     Checking interpreter_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/ast/macros.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / macro_rules! int_node {
[INFO] [stdout] 2 | |     ($ast:expr, $value:expr) => {{
[INFO] [stdout] 3 | |         let node = NumberNode::new(Value::Integer($value), 
[INFO] [stdout] 4 | |                                    Token::new(TokenType::IntegerLiteral, 
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     }}
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / macro_rules! real_node {
[INFO] [stdout] 12 | |     ($ast:expr, $value:expr) => {{
[INFO] [stdout] 13 | |         let node = NumberNode::new(Value::Real($value), 
[INFO] [stdout] 14 | |                                    Token::new(TokenType::RealLiteral, 
[INFO] [stdout] ...  |
[INFO] [stdout] 18 | |     }}
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / macro_rules! binop_node {
[INFO] [stdout] 22 | |     ($ast:expr, $left:expr, $right:expr, $op:expr) => {{
[INFO] [stdout] 23 | |         let node = BinaryOperatorNode::new($left, $right, $op,
[INFO] [stdout] 24 | |                                            Token::new(TokenType::Operator,
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     }}
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / macro_rules! unop_node {
[INFO] [stdout] 32 | |     ($ast:expr, $operand:expr, $op:expr) => {{
[INFO] [stdout] 33 | |         let node = UnaryOperatorNode::new($operand, $op,
[INFO] [stdout] 34 | |                                           Token::new(TokenType::Operator,
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }}
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | / macro_rules! cmpd_stmt_node {
[INFO] [stdout] 42 | |     ($ast:expr, $statements:expr) => {{
[INFO] [stdout] 43 | |         let node = CompoundStmtNode::new($statements,
[INFO] [stdout] 44 | |                                          Token::new(TokenType::Begin, None, Span::default()),
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }}
[INFO] [stdout] 48 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | / macro_rules! var_node {
[INFO] [stdout] 51 | |     ($ast:expr, $name:expr) => {{
[INFO] [stdout] 52 | |         let node = VariableNode::new($name.to_string(),
[INFO] [stdout] 53 | |                                      Token::new(TokenType::Identifier,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     }}
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | / macro_rules! assign_node {
[INFO] [stdout] 61 | |     ($ast:expr, $var:expr, $expr:expr) => {{
[INFO] [stdout] 62 | |         let node = AssignmentStmtNode::new($var, $expr,
[INFO] [stdout] 63 | |                                            Token::new(TokenType::Assign, None, Span::default()));
[INFO] [stdout] 64 | |         $ast.add_node(node)
[INFO] [stdout] 65 | |     }}
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:68:1
[INFO] [stdout]    |
[INFO] [stdout] 68 | / macro_rules! block_node {
[INFO] [stdout] 69 | |     ($ast:expr, $declarations:expr, $cmpd_stmt:expr) => {{
[INFO] [stdout] 70 | |         let node = BlockNode::new($declarations, $cmpd_stmt);
[INFO] [stdout] 71 | |         $ast.add_node(node)
[INFO] [stdout] 72 | |     }}
[INFO] [stdout] 73 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | / macro_rules! type_node {
[INFO] [stdout] 76 | |     ($ast:expr, $type_spec:expr) => {{
[INFO] [stdout] 77 | |         let node = TypeNode::new($type_spec,
[INFO] [stdout] 78 | |                                  Token::new(TokenType::TypeSpecifier,
[INFO] [stdout] ...  |
[INFO] [stdout] 82 | |     }}
[INFO] [stdout] 83 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:85:1
[INFO] [stdout]    |
[INFO] [stdout] 85 | / macro_rules! var_decl_node {
[INFO] [stdout] 86 | |     ($ast:expr, $var_name:expr, $type_spec:expr) => {{
[INFO] [stdout] 87 | |         let node = VariableDeclNode::new($var_name, $type_spec);
[INFO] [stdout] 88 | |         $ast.add_node(node)
[INFO] [stdout] 89 | |     }}
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/ast/macros.rs:92:1
[INFO] [stdout]    |
[INFO] [stdout] 92 | / macro_rules! program_node {
[INFO] [stdout] 93 | |     ($ast:expr, $name:expr, $variable:expr, $block:expr) => {{
[INFO] [stdout] 94 | |         let node = ProgramNode::new($name.to_string(), $variable, $block);
[INFO] [stdout] 95 | |         $ast.add_node(node)
[INFO] [stdout] 96 | |     }}
[INFO] [stdout] 97 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |     nodes: Vec<Box<AstNode + 'a>>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn AstNode + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/mod.rs:111:49
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn get_node(&self, index: AstIndex) -> &AstNode {
[INFO] [stdout]     |                                                 ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/mod.rs:121:61
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn get_node_mut(&mut self, index: AstIndex) -> &mut AstNode {
[INFO] [stdout]     |                                                             ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn get_root(&self) -> Option<&AstNode> {
[INFO] [stdout]     |                                       ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:53:50
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   file_res.unwrap_err().description()));
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:59:77
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Err(why) => Err(format!("Couldn't read {}: {}", path.display(), why.description())),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:221:34
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   e.description(),
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:232:30
[INFO] [stdout]     |
[INFO] [stdout] 232 | ...                   e.description(),
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lexer_overall` in this scope
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:880:5
[INFO] [stdout]     |
[INFO] [stdout] 880 | /     fn lexer_overall(b: &mut Bencher) {
[INFO] [stdout] 881 | |         b.iter(|| {
[INFO] [stdout] 882 | |             let lexer = PascalLexer::new("BEGIN a := 3; b := 4; BEGIN c := a + b END END.");
[INFO] [stdout] 883 | |             while let Ok(token) = lexer.get_next_token() {
[INFO] [stdout] ...   |
[INFO] [stdout] 889 | |         })
[INFO] [stdout] 890 | |     }
[INFO] [stdout]     | |_____^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lexer_constructor` in this scope
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:894:5
[INFO] [stdout]     |
[INFO] [stdout] 894 | /     fn lexer_constructor(b: &mut Bencher) {
[INFO] [stdout] 895 | |         b.iter(|| { let _ = PascalLexer::new("BEGIN a := 3; b := 4; BEGIN c := a + b END END."); })
[INFO] [stdout] 896 | |     }
[INFO] [stdout]     | |_____^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lexer_parse_integer` in this scope
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:900:5
[INFO] [stdout]     |
[INFO] [stdout] 900 | /     fn lexer_parse_integer(b: &mut Bencher) {
[INFO] [stdout] 901 | |         b.iter(|| {
[INFO] [stdout] 902 | |                    let lexer = PascalLexer::new("312645978");
[INFO] [stdout] 903 | |                    let _ = lexer.get_next_token();
[INFO] [stdout] 904 | |                })
[INFO] [stdout] 905 | |     }
[INFO] [stdout]     | |_____^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `lexer_parse_identifier` in this scope
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:909:5
[INFO] [stdout]     |
[INFO] [stdout] 909 | /     fn lexer_parse_identifier(b: &mut Bencher) {
[INFO] [stdout] 910 | |         b.iter(|| {
[INFO] [stdout] 911 | |                    let lexer = PascalLexer::new("number");
[INFO] [stdout] 912 | |                    let _ = lexer.get_next_token();
[INFO] [stdout] 913 | |                })
[INFO] [stdout] 914 | |     }
[INFO] [stdout]     | |_____^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/ast/assignment_stmt_node.rs:251:50
[INFO] [stdout]     |
[INFO] [stdout] 251 | ...                   real_node!(ast, (i64::MAX as f64 + 1000.0)));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/ast/assignment_stmt_node.rs:251:50
[INFO] [stdout]     |
[INFO] [stdout] 251 | ...                   real_node!(ast, (i64::MAX as f64 + 1000.0)));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ast/mod.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |     nodes: Vec<Box<AstNode + 'a>>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn AstNode + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/mod.rs:111:49
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn get_node(&self, index: AstIndex) -> &AstNode {
[INFO] [stdout]     |                                                 ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/mod.rs:121:61
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn get_node_mut(&mut self, index: AstIndex) -> &mut AstNode {
[INFO] [stdout]     |                                                             ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ast/mod.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn get_root(&self) -> Option<&AstNode> {
[INFO] [stdout]     |                                       ^^^^^^^ help: use `dyn`: `dyn AstNode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:878:7
[INFO] [stdout]     |
[INFO] [stdout] 878 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:892:7
[INFO] [stdout]     |
[INFO] [stdout] 892 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:898:7
[INFO] [stdout]     |
[INFO] [stdout] 898 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:907:7
[INFO] [stdout]     |
[INFO] [stdout] 907 |     #[bench]
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:53:50
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   file_res.unwrap_err().description()));
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:59:77
[INFO] [stdout]    |
[INFO] [stdout] 59 |         Err(why) => Err(format!("Couldn't read {}: {}", path.display(), why.description())),
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:221:34
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   e.description(),
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lexer/pascal_lexer.rs:232:30
[INFO] [stdout]     |
[INFO] [stdout] 232 | ...                   e.description(),
[INFO] [stdout]     |                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interpreter_tutorial`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "43e1df399f11dd2f04b35cd4898da7ed9971d701ce1795a44740d7513af1f4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e1df399f11dd2f04b35cd4898da7ed9971d701ce1795a44740d7513af1f4b1", kill_on_drop: false }`
[INFO] [stdout] 43e1df399f11dd2f04b35cd4898da7ed9971d701ce1795a44740d7513af1f4b1