[INFO] cloning repository https://github.com/benbachem/language-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benbachem/language-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbachem%2Flanguage-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbachem%2Flanguage-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0da6308191fccb1d4554972a55f8c6cf52fae8a2
[INFO] testing benbachem/language-from-scratch against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbachem%2Flanguage-from-scratch" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benbachem/language-from-scratch on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benbachem/language-from-scratch
[INFO] finished tweaking git repo https://github.com/benbachem/language-from-scratch
[INFO] tweaked toml for git repo https://github.com/benbachem/language-from-scratch written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/benbachem/language-from-scratch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97aa50b3ce8016390c32cc67c4dcc31faa407e3b695500c8614266e341b09fae
[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" "97aa50b3ce8016390c32cc67c4dcc31faa407e3b695500c8614266e341b09fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97aa50b3ce8016390c32cc67c4dcc31faa407e3b695500c8614266e341b09fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97aa50b3ce8016390c32cc67c4dcc31faa407e3b695500c8614266e341b09fae", kill_on_drop: false }`
[INFO] [stdout] 97aa50b3ce8016390c32cc67c4dcc31faa407e3b695500c8614266e341b09fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d503b292d9a2ee0fe1303e33f4d9fbc291329550d0536671587f70cf032c5c8
[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" "2d503b292d9a2ee0fe1303e33f4d9fbc291329550d0536671587f70cf032c5c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling turtle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/lib.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `environment`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]    --> src/lib.rs:156:47
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stdout]     |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/ast.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Expression(Expression),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Default`
[INFO] [stdout]   --> src/ast.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Default(),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     parent: Option<Box<Environment>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `globalEnv` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut globalEnv = Environment::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `global_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "2d503b292d9a2ee0fe1303e33f4d9fbc291329550d0536671587f70cf032c5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d503b292d9a2ee0fe1303e33f4d9fbc291329550d0536671587f70cf032c5c8", kill_on_drop: false }`
[INFO] [stdout] 2d503b292d9a2ee0fe1303e33f4d9fbc291329550d0536671587f70cf032c5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 791efe09a9d1edd1c04caf0c1a90e17c1d9320897b04e06683854b7b45348a6f
[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" "791efe09a9d1edd1c04caf0c1a90e17c1d9320897b04e06683854b7b45348a6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling turtle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/lib.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `environment`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]    --> src/lib.rs:156:47
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stdout]     |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/ast.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Expression(Expression),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Default`
[INFO] [stdout]   --> src/ast.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Default(),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     parent: Option<Box<Environment>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `globalEnv` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut globalEnv = Environment::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `global_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/lib.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]   --> src/lib.rs:55:37
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stdout]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `environment`
[INFO] [stdout]    --> src/lib.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parameters`
[INFO] [stdout]    --> src/lib.rs:156:47
[INFO] [stdout]     |
[INFO] [stdout] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stdout]     |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/ast.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Expression(Expression),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Default`
[INFO] [stdout]   --> src/ast.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Default(),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent`
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     parent: Option<Box<Environment>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `globalEnv` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut globalEnv = Environment::new();
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `global_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "791efe09a9d1edd1c04caf0c1a90e17c1d9320897b04e06683854b7b45348a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791efe09a9d1edd1c04caf0c1a90e17c1d9320897b04e06683854b7b45348a6f", kill_on_drop: false }`
[INFO] [stdout] 791efe09a9d1edd1c04caf0c1a90e17c1d9320897b04e06683854b7b45348a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 29e8c5f08dd415c44fa03432984fbecca47c152b7031aa2c88ef9e1d8abd044c
[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" "29e8c5f08dd415c44fa03432984fbecca47c152b7031aa2c88ef9e1d8abd044c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/lib.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/lib.rs:55:37
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stderr]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `environment`
[INFO] [stderr]    --> src/lib.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parameters`
[INFO] [stderr]    --> src/lib.rs:156:47
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/ast.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Expression(Expression),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Default`
[INFO] [stderr]   --> src/ast.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Default(),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parent`
[INFO] [stderr]   --> src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     parent: Option<Box<Environment>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `globalEnv` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let mut globalEnv = Environment::new();
[INFO] [stderr]     |             ^^^^^^^^^ help: convert the identifier to snake case: `global_env`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/lib.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/lib.rs:55:37
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn define(&self, name: &String, func: Function) {}
[INFO] [stderr]    |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `environment`
[INFO] [stderr]    --> src/lib.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_environment`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parameters`
[INFO] [stderr]    --> src/lib.rs:156:47
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn call(&self, environment: &Environment, parameters: Vec<Value>) -> Result<Option<Value>, ()> {
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parameters`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/ast.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Expression(Expression),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Default`
[INFO] [stderr]   --> src/ast.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Default(),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parent`
[INFO] [stderr]   --> src/lib.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     parent: Option<Box<Environment>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `globalEnv` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let mut globalEnv = Environment::new();
[INFO] [stderr]     |             ^^^^^^^^^ help: convert the identifier to snake case: `global_env`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/turtle-53164411079c6ee4
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/turtle_bin-71d500317090c840
[INFO] [stdout] test ast::tests::integration_ast ... ok
[INFO] [stdout] test tokenizer::tests::identifier_parsing ... ok
[INFO] [stdout] test tokenizer::tests::bool_parsing ... ok
[INFO] [stdout] test tokenizer::tests::keyword_parsing ... ok
[INFO] [stdout] test tokenizer::tests::operator_parsing ... ok
[INFO] [stdout] test tokenizer::tests::number_parsing ... ok
[INFO] [stdout] test tokenizer::tests::punctuation_parsing ... ok
[INFO] [stdout] test tokenizer::tests::integration_parsing ... ok
[INFO] [stdout] test tokenizer::tests::string_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/examples-939c0b290f38a18d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests turtle
[INFO] [stdout] test example_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "29e8c5f08dd415c44fa03432984fbecca47c152b7031aa2c88ef9e1d8abd044c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e8c5f08dd415c44fa03432984fbecca47c152b7031aa2c88ef9e1d8abd044c", kill_on_drop: false }`
[INFO] [stdout] 29e8c5f08dd415c44fa03432984fbecca47c152b7031aa2c88ef9e1d8abd044c