[INFO] cloning repository https://github.com/antoineB24/tlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antoineB24/tlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FantoineB24%2Ftlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FantoineB24%2Ftlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88dd84ca79008a4bc069510fd1896e6964ed00cf
[INFO] checking antoineB24/tlang against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FantoineB24%2Ftlang" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/antoineB24/tlang
[INFO] finished tweaking git repo https://github.com/antoineB24/tlang
[INFO] tweaked toml for git repo https://github.com/antoineB24/tlang written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/antoineB24/tlang on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/antoineB24/tlang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.6
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965
[INFO] running `Command { std: "docker" "start" "1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
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[INFO] [stderr]    Compiling lock_api v0.4.7
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[INFO] [stderr]    Compiling crunchy v0.2.2
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[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking lalrpop-util v0.19.8
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]    Compiling tlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `build_enum`
[INFO] [stdout]  --> src/executer/value/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | macro_rules! build_enum {
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tree::Type as TypeAst`
[INFO] [stdout]   --> src/executer/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::tree::Type as TypeAst;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::executer::value::Type`
[INFO] [stdout]  --> src/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::executer::value::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tree::Expr`
[INFO] [stdout]  --> src/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::tree::Expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tree::Literal`
[INFO] [stdout]  --> src/test.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tree::Literal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tree::Op`
[INFO] [stdout]  --> src/test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tree::Op;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tree::IOp`
[INFO] [stdout]  --> src/test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::tree::IOp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::executer::Vm`
[INFO] [stdout]  --> src/test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::executer::Vm;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::executer::value`
[INFO] [stdout]  --> src/test.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::executer::value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | mod test;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> src/test.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | mod test;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/tlang-ac602a720895afd9/out/tlang.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::__parse__Exprs::ExprsParser`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/tlang-ac602a720895afd9/out/tlang.rs:5240:9
[INFO] [stdout]      |
[INFO] [stdout] 5240 | pub use self::__parse__Exprs::ExprsParser;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `build_enum`
[INFO] [stdout]  --> src/executer/value/mod.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | macro_rules! build_enum {
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tree::Type as TypeAst`
[INFO] [stdout]   --> src/executer/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::tree::Type as TypeAst;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/tlang-ac602a720895afd9/out/tlang.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]    --> src/executer/mod.rs:155:50
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         Value::DefStruct { name, fields, function } => Type::Struct(name),
[INFO] [stdout]     |                                                  ^^^^^^ help: try ignoring the field: `fields: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]    --> src/executer/mod.rs:155:58
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         Value::DefStruct { name, fields, function } => Type::Struct(name),
[INFO] [stdout]     |                                                          ^^^^^^^^ help: try ignoring the field: `function: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]    --> src/executer/mod.rs:156:51
[INFO] [stdout]     |
[INFO] [stdout] 156 |                         Value::CallStruct { name, fields } => Type::FieldStruct(name),
[INFO] [stdout]     |                                                   ^^^^^^ help: try ignoring the field: `fields: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]    --> src/executer/mod.rs:159:39
[INFO] [stdout]     |
[INFO] [stdout] 159 |                         Value::Enum { variants } => Type::Enum,
[INFO] [stdout]     |                                       ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/executer/mod.rs:160:49
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         Value::EnumCall { name, field } => Type::FieldEnum(name),
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `field: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/executer/mod.rs:536:72
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...                   Some(Var{value: Value::DefStruct { fields: f, function: fu , ..}, ..}) => {
[INFO] [stdout]     |                                                                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]    --> src/executer/mod.rs:155:50
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         Value::DefStruct { name, fields, function } => Type::Struct(name),
[INFO] [stdout]     |                                                  ^^^^^^ help: try ignoring the field: `fields: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]    --> src/executer/mod.rs:155:58
[INFO] [stdout]     |
[INFO] [stdout] 155 |                         Value::DefStruct { name, fields, function } => Type::Struct(name),
[INFO] [stdout]     |                                                          ^^^^^^^^ help: try ignoring the field: `function: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fields`
[INFO] [stdout]    --> src/executer/mod.rs:156:51
[INFO] [stdout]     |
[INFO] [stdout] 156 |                         Value::CallStruct { name, fields } => Type::FieldStruct(name),
[INFO] [stdout]     |                                                   ^^^^^^ help: try ignoring the field: `fields: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `variants`
[INFO] [stdout]    --> src/executer/mod.rs:159:39
[INFO] [stdout]     |
[INFO] [stdout] 159 |                         Value::Enum { variants } => Type::Enum,
[INFO] [stdout]     |                                       ^^^^^^^^ help: try ignoring the field: `variants: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]    --> src/executer/mod.rs:160:49
[INFO] [stdout]     |
[INFO] [stdout] 160 |                         Value::EnumCall { name, field } => Type::FieldEnum(name),
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `field: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/executer/mod.rs:536:72
[INFO] [stdout]     |
[INFO] [stdout] 536 | ...                   Some(Var{value: Value::DefStruct { fields: f, function: fu , ..}, ..}) => {
[INFO] [stdout]     |                                                                  ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/std_t.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn print(args: HashMap<String, Var>, vm: Vm) -> Result<Value, Error> {
[INFO] [stdout]    |                                              ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/std_t.rs:40:48
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn println(args: HashMap<String, Var>, vm: Vm) -> Result<Value, Error> {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/std_t.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn len(args: HashMap<String, Var>, vm: Vm) -> Result<Value, Error> {
[INFO] [stdout]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/std_t.rs:61:45
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn read(args: HashMap<String, Var>, vm: Vm) -> Result<Value, Error> {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/std_t.rs:33:46
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn print(args: HashMap<String, Var>, vm: Vm) -> Result<Value, Error> {
[INFO] [stdout]    |                                              ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/std_t.rs:40:48
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn println(args: HashMap<String, Var>, vm: Vm) -> Result<Value, Error> {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/std_t.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn len(args: HashMap<String, Var>, vm: Vm) -> Result<Value, Error> {
[INFO] [stdout]    |                                            ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]   --> src/std_t.rs:61:45
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn read(args: HashMap<String, Var>, vm: Vm) -> Result<Value, Error> {
[INFO] [stdout]    |                                             ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DisplayError` is never used
[INFO] [stdout]  --> src/errors.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait DisplayError {
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IsBuiltin`, `FunctionArgumentMismatch`, and `FileNotFound` are never constructed
[INFO] [stdout]    --> src/errors.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub enum Error {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 258 |     IsBuiltin(IsBuiltinError),
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     FunctionArgumentMismatch(FunctionArgumentMismatchError),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 264 |     FileNotFound(FileNotFoundError),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]    --> src/tree.rs:147:10
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub enum Type {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/tlang-ac602a720895afd9/out/tlang.rs:1504:16
[INFO] [stdout]      |
[INFO] [stdout] 1503 |     impl ExprsParser {
[INFO] [stdout]      |     ---------------- associated function in this implementation
[INFO] [stdout] 1504 |         pub fn new() -> ExprsParser {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_builder` is never used
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/tlang-ac602a720895afd9/out/tlang.rs:5256:12
[INFO] [stdout]      |
[INFO] [stdout] 5256 |     pub fn new_builder() -> __lalrpop_util::lexer::MatcherBuilder {
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/std_t.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     std::io::stdout().flush();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     let _ = std::io::stdout().flush();
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `DisplayError` is never used
[INFO] [stdout]  --> src/errors.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait DisplayError {
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `IsBuiltin`, `FunctionArgumentMismatch`, and `FileNotFound` are never constructed
[INFO] [stdout]    --> src/errors.rs:258:5
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub enum Error {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 258 |     IsBuiltin(IsBuiltinError),
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     FunctionArgumentMismatch(FunctionArgumentMismatchError),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 264 |     FileNotFound(FileNotFoundError),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Error` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Type` is never used
[INFO] [stdout]    --> src/tree.rs:147:10
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub enum Type {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/std_t.rs:70:21
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     std::io::stdout().flush();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |                     let _ = std::io::stdout().flush();
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965", kill_on_drop: false }`
[INFO] [stdout] 1cb09a2fed4a09c4382343f09663f53d9718f14626fc124b6b65169d92a40965
