[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 master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdf5602%2Finterpreter_tutorial" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/df5602/interpreter_tutorial on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-12/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba069fef53d2b100dedebe002ad4e3d73319d556300cb8ffb4eea54581c6f49
[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" "1ba069fef53d2b100dedebe002ad4e3d73319d556300cb8ffb4eea54581c6f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba069fef53d2b100dedebe002ad4e3d73319d556300cb8ffb4eea54581c6f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba069fef53d2b100dedebe002ad4e3d73319d556300cb8ffb4eea54581c6f49", kill_on_drop: false }`
[INFO] [stdout] 1ba069fef53d2b100dedebe002ad4e3d73319d556300cb8ffb4eea54581c6f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] b8bcfa35b376cdd68868bdeff58ac65dbc379a85e3abdb55377a7226dd5b9b88
[INFO] running `Command { std: "docker" "start" "-a" "b8bcfa35b376cdd68868bdeff58ac65dbc379a85e3abdb55377a7226dd5b9b88", kill_on_drop: false }`
[INFO] [stderr]     Checking leftpad v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking interpreter_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `int_node`
[INFO] [stdout]  --> src/ast/macros.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | macro_rules! int_node {
[INFO] [stdout]   |              ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `real_node`
[INFO] [stdout]   --> src/ast/macros.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | macro_rules! real_node {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `binop_node`
[INFO] [stdout]   --> src/ast/macros.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | macro_rules! binop_node {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `unop_node`
[INFO] [stdout]   --> src/ast/macros.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | macro_rules! unop_node {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `cmpd_stmt_node`
[INFO] [stdout]   --> src/ast/macros.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 | macro_rules! cmpd_stmt_node {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `var_node`
[INFO] [stdout]   --> src/ast/macros.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 | macro_rules! var_node {
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `assign_node`
[INFO] [stdout]   --> src/ast/macros.rs:60:14
[INFO] [stdout]    |
[INFO] [stdout] 60 | macro_rules! assign_node {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `block_node`
[INFO] [stdout]   --> src/ast/macros.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 | macro_rules! block_node {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `type_node`
[INFO] [stdout]   --> src/ast/macros.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 | macro_rules! type_node {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `var_decl_node`
[INFO] [stdout]   --> src/ast/macros.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 | macro_rules! var_decl_node {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `program_node`
[INFO] [stdout]   --> src/ast/macros.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 | macro_rules! program_node {
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = 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/lexer/pascal_lexer.rs:232:30
[INFO] [stdout]     |
[INFO] [stdout] 232 | ...                   e.description(),
[INFO] [stdout]     |                         ^^^^^^^^^^^
[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]     |                                       ^                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 251 -                                  real_node!(ast, (i64::MAX as f64 + 1000.0)));
[INFO] [stdout] 251 +                                  real_node!(ast, i64::MAX as f64 + 1000.0));
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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] 
[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: field is never read: `token`
[INFO] [stdout]   --> src/ast/number_node.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast/binary_operator_node.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast/unary_operator_node.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token_begin`
[INFO] [stdout]   --> src/ast/compound_stmt_node.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     token_begin: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token_end`
[INFO] [stdout]   --> src/ast/compound_stmt_node.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     token_end: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast/assignment_stmt_node.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast/type_node.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 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/lexer/pascal_lexer.rs:221:34
[INFO] [stdout]     |
[INFO] [stdout] 221 | ...                   e.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/lexer/pascal_lexer.rs:232:30
[INFO] [stdout]     |
[INFO] [stdout] 232 | ...                   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/main.rs:53:50
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   file_res.unwrap_err().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/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: field is never read: `token`
[INFO] [stdout]   --> src/ast/number_node.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast/binary_operator_node.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast/unary_operator_node.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token_begin`
[INFO] [stdout]   --> src/ast/compound_stmt_node.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     token_begin: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token_end`
[INFO] [stdout]   --> src/ast/compound_stmt_node.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     token_end: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast/assignment_stmt_node.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `token`
[INFO] [stdout]   --> src/ast/type_node.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     token: Token,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "b8bcfa35b376cdd68868bdeff58ac65dbc379a85e3abdb55377a7226dd5b9b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8bcfa35b376cdd68868bdeff58ac65dbc379a85e3abdb55377a7226dd5b9b88", kill_on_drop: false }`
[INFO] [stdout] b8bcfa35b376cdd68868bdeff58ac65dbc379a85e3abdb55377a7226dd5b9b88