[INFO] fetching crate oni-comb-toys-rs 0.0.1...
[INFO] testing oni-comb-toys-rs-0.0.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate oni-comb-toys-rs 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate oni-comb-toys-rs 0.0.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oni-comb-toys-rs 0.0.1
[INFO] finished tweaking crates.io crate oni-comb-toys-rs 0.0.1
[INFO] tweaked toml for crates.io crate oni-comb-toys-rs 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate oni-comb-toys-rs 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] 73ec68b9bd9197e27a16f31e1eec5c69d8131a9a84bd22800962f4910cb91078
[INFO] running `Command { std: "docker" "start" "-a" "73ec68b9bd9197e27a16f31e1eec5c69d8131a9a84bd22800962f4910cb91078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ec68b9bd9197e27a16f31e1eec5c69d8131a9a84bd22800962f4910cb91078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ec68b9bd9197e27a16f31e1eec5c69d8131a9a84bd22800962f4910cb91078", kill_on_drop: false }`
[INFO] [stdout] 73ec68b9bd9197e27a16f31e1eec5c69d8131a9a84bd22800962f4910cb91078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5375826fc64263fadddcfca0057522dde1568da2f3f40b2fb48708971739c593
[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" "5375826fc64263fadddcfca0057522dde1568da2f3f40b2fb48708971739c593", kill_on_drop: false }`
[INFO] [stderr]    Compiling oni-comb-parser-rs v0.0.2
[INFO] [stderr]    Compiling oni-comb-toys-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/interpreter.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let main_function = self.function_environment.get("main");
[INFO] [stdout]    |                             ------------------------------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 48 |             Expr::FunctionDefinition(_, _, body) => self.interpret(body.clone()),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^------------^
[INFO] [stdout]    |                                                     |              |
[INFO] [stdout]    |                                                     |              immutable borrow later used here
[INFO] [stdout]    |                                                     mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_bindings_mut`
[INFO] [stdout]   --> src/environment.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn as_bindings_mut(&mut self) -> &HashMap<String, Value> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/expr.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Identifier(String),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]   --> src/expr.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   Plus(Rc<Expr>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]   --> src/expr.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   Minus(Rc<Expr>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `of_binary`
[INFO] [stdout]   --> src/expr.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |   pub fn of_binary(operator: Operator, lhs: Rc<Expr>, rhs: Rc<Expr>) -> Rc<Expr> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/interpreter.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |   pub fn reset(&mut self) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_value`
[INFO] [stdout]   --> src/interpreter.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |   pub fn get_value(&self, name: &str) -> &Value {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lines`
[INFO] [stdout]   --> src/parsers.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn lines<'a>() -> Parser<'a, char, Vec<Rc<Expr>>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]  --> src/values.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   Array(Vec<Value>),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/values.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |   pub fn as_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "5375826fc64263fadddcfca0057522dde1568da2f3f40b2fb48708971739c593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5375826fc64263fadddcfca0057522dde1568da2f3f40b2fb48708971739c593", kill_on_drop: false }`
[INFO] [stdout] 5375826fc64263fadddcfca0057522dde1568da2f3f40b2fb48708971739c593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f0066cd655d01a6d0510ae365422c0d69ff4b5226dce7cfefa95a328eb51d3a
[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" "8f0066cd655d01a6d0510ae365422c0d69ff4b5226dce7cfefa95a328eb51d3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling oni-comb-toys-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]   --> src/interpreter.rs:48:53
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let main_function = self.function_environment.get("main");
[INFO] [stdout]    |                             ------------------------------------- immutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 48 |             Expr::FunctionDefinition(_, _, body) => self.interpret(body.clone()),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^------------^
[INFO] [stdout]    |                                                     |              |
[INFO] [stdout]    |                                                     |              immutable borrow later used here
[INFO] [stdout]    |                                                     mutable borrow occurs here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stdout]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stdout]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_bindings_mut`
[INFO] [stdout]   --> src/environment.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn as_bindings_mut(&mut self) -> &HashMap<String, Value> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Identifier`
[INFO] [stdout]   --> src/expr.rs:16:3
[INFO] [stdout]    |
[INFO] [stdout] 16 |   Identifier(String),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]   --> src/expr.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   Plus(Rc<Expr>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]   --> src/expr.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   Minus(Rc<Expr>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/interpreter.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |   pub fn reset(&mut self) {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_value`
[INFO] [stdout]   --> src/interpreter.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |   pub fn get_value(&self, name: &str) -> &Value {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lines`
[INFO] [stdout]   --> src/parsers.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn lines<'a>() -> Parser<'a, char, Vec<Rc<Expr>>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]  --> src/values.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   Array(Vec<Value>),
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/values.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |   pub fn as_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "8f0066cd655d01a6d0510ae365422c0d69ff4b5226dce7cfefa95a328eb51d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0066cd655d01a6d0510ae365422c0d69ff4b5226dce7cfefa95a328eb51d3a", kill_on_drop: false }`
[INFO] [stdout] 8f0066cd655d01a6d0510ae365422c0d69ff4b5226dce7cfefa95a328eb51d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] bc391e9f5d01b441c27053854bf083606defc0a9a6c759cba9fdab9d7597df82
[INFO] running `Command { std: "docker" "start" "-a" "bc391e9f5d01b441c27053854bf083606defc0a9a6c759cba9fdab9d7597df82", kill_on_drop: false }`
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]   --> src/interpreter.rs:48:53
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let main_function = self.function_environment.get("main");
[INFO] [stderr]    |                             ------------------------------------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 48 |             Expr::FunctionDefinition(_, _, body) => self.interpret(body.clone()),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^------------^
[INFO] [stderr]    |                                                     |              |
[INFO] [stderr]    |                                                     |              immutable borrow later used here
[INFO] [stderr]    |                                                     mutable borrow occurs here
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]    = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]    = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `as_bindings_mut`
[INFO] [stderr]   --> src/environment.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 |   pub fn as_bindings_mut(&mut self) -> &HashMap<String, Value> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/expr.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   Identifier(String),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plus`
[INFO] [stderr]   --> src/expr.rs:17:3
[INFO] [stderr]    |
[INFO] [stderr] 17 |   Plus(Rc<Expr>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Minus`
[INFO] [stderr]   --> src/expr.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   Minus(Rc<Expr>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reset`
[INFO] [stderr]   --> src/interpreter.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 |   pub fn reset(&mut self) {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_value`
[INFO] [stderr]   --> src/interpreter.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn get_value(&self, name: &str) -> &Value {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lines`
[INFO] [stderr]   --> src/parsers.rs:93:4
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn lines<'a>() -> Parser<'a, char, Vec<Rc<Expr>>> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]  --> src/values.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   Array(Vec<Value>),
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `as_string`
[INFO] [stderr]   --> src/values.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |   pub fn as_string(&self) -> String {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `oni-comb-toys-rs` (bin "oni-comb-toys-rs" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/oni_comb_toys_rs-71d145c3aa38a71e)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test parsers::test::test_primary_bool_true ... ok
[INFO] [stdout] test parsers::test::test_comparative_symbol_number ... ok
[INFO] [stdout] test parsers::test::test_multitive ... ok
[INFO] [stdout] test parsers::test::test_primary_identifier ... ok
[INFO] [stdout] test parsers::test::test_primary_bool_array_1 ... ok
[INFO] [stdout] test parsers::test::test_primary_bool_false ... ok
[INFO] [stdout] test parsers::test::test_primary_bool_array_0 ... ok
[INFO] [stdout] test parsers::test::test_primary_bool_array_2 ... ok
[INFO] [stdout] test parsers::test::test_comparative ... ok
[INFO] [stdout] test parsers::test::test_primary_integer ... ok
[INFO] [stdout] test parsers::test::test_primary_function_call_args_1 ... ok
[INFO] [stdout] test parsers::test::test_println ... ok
[INFO] [stdout] test parsers::test::test_primary_function_call_args_0 ... ok
[INFO] [stdout] test parsers::test::test_primary_function_call_args_2 ... ok
[INFO] [stdout] test parsers::test::test_primary_labelled_call_args_1 ... ok
[INFO] [stdout] test parsers::test::test_moditive ... ok
[INFO] [stdout] test parsers::test::test_additive ... ok
[INFO] [stdout] test parsers::test::test_for ... ok
[INFO] [stdout] test parsers::test::test_assignment ... ok
[INFO] [stdout] test parsers::test::test_if ... ok
[INFO] [stdout] test parsers::test::test_while ... ok
[INFO] [stdout] test parsers::test::test_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc391e9f5d01b441c27053854bf083606defc0a9a6c759cba9fdab9d7597df82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc391e9f5d01b441c27053854bf083606defc0a9a6c759cba9fdab9d7597df82", kill_on_drop: false }`
[INFO] [stdout] bc391e9f5d01b441c27053854bf083606defc0a9a6c759cba9fdab9d7597df82