[INFO] cloning repository https://github.com/Jupp56/brainfuck_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jupp56/brainfuck_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJupp56%2Fbrainfuck_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJupp56%2Fbrainfuck_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b47cd5e81f53595c53829ad94cef47de084cb38
[INFO] testing Jupp56/brainfuck_interpreter against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJupp56%2Fbrainfuck_interpreter" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jupp56/brainfuck_interpreter on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jupp56/brainfuck_interpreter
[INFO] finished tweaking git repo https://github.com/Jupp56/brainfuck_interpreter
[INFO] tweaked toml for git repo https://github.com/Jupp56/brainfuck_interpreter written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jupp56/brainfuck_interpreter 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecaed372a4dd6b8b6c51db3ab316efc06cb73de0108c036ec5ef2ca3f539ee38
[INFO] running `Command { std: "docker" "start" "-a" "ecaed372a4dd6b8b6c51db3ab316efc06cb73de0108c036ec5ef2ca3f539ee38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecaed372a4dd6b8b6c51db3ab316efc06cb73de0108c036ec5ef2ca3f539ee38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaed372a4dd6b8b6c51db3ab316efc06cb73de0108c036ec5ef2ca3f539ee38", kill_on_drop: false }`
[INFO] [stdout] ecaed372a4dd6b8b6c51db3ab316efc06cb73de0108c036ec5ef2ca3f539ee38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 432b1d8879549eef6cd5acbfa329259a7d2d5e243b6e804c5e5fa31d7fb92bf1
[INFO] running `Command { std: "docker" "start" "-a" "432b1d8879549eef6cd5acbfa329259a7d2d5e243b6e804c5e5fa31d7fb92bf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.75
[INFO] [stderr]    Compiling brainfuck_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut file_content = read_file(path);
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/main.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `RuntimeError`
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 Err(e) => panic!("{:?}", e),
[INFO] [stdout]    |                                  +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/main.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |                   panic!(format!(
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 31 | |                     "Parse error at index {}: no matching bracket found!",
[INFO] [stdout] 32 | |                     index
[INFO] [stdout] 33 | |                 ));
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 30 ~                 panic!(
[INFO] [stdout] 31 |                     "Parse error at index {}: no matching bracket found!",
[INFO] [stdout] 32 |                     index
[INFO] [stdout] 33 ~                 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.88s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.75
[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" "432b1d8879549eef6cd5acbfa329259a7d2d5e243b6e804c5e5fa31d7fb92bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "432b1d8879549eef6cd5acbfa329259a7d2d5e243b6e804c5e5fa31d7fb92bf1", kill_on_drop: false }`
[INFO] [stdout] 432b1d8879549eef6cd5acbfa329259a7d2d5e243b6e804c5e5fa31d7fb92bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e331f73f055ec923a6648ce2ac342d240d72a7732faf7a33ecab70fb4aa00cb
[INFO] running `Command { std: "docker" "start" "-a" "9e331f73f055ec923a6648ce2ac342d240d72a7732faf7a33ecab70fb4aa00cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut file_content = read_file(path);
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/main.rs:23:34
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{:?}" format string to use the `Debug` implementation of `RuntimeError`
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 Err(e) => panic!("{:?}", e),
[INFO] [stdout]    |                                  +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/bin/main.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |                   panic!(format!(
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 31 | |                     "Parse error at index {}: no matching bracket found!",
[INFO] [stdout] 32 | |                     index
[INFO] [stdout] 33 | |                 ));
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 30 ~                 panic!(
[INFO] [stdout] 31 |                     "Parse error at index {}: no matching bracket found!",
[INFO] [stdout] 32 |                     index
[INFO] [stdout] 33 ~                 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.75
[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" "9e331f73f055ec923a6648ce2ac342d240d72a7732faf7a33ecab70fb4aa00cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e331f73f055ec923a6648ce2ac342d240d72a7732faf7a33ecab70fb4aa00cb", kill_on_drop: false }`
[INFO] [stdout] 9e331f73f055ec923a6648ce2ac342d240d72a7732faf7a33ecab70fb4aa00cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a598e46634cf4ad3d41619b8550c0639c26d3b6423ea3bc7b2cf6ab8495604c
[INFO] running `Command { std: "docker" "start" "-a" "6a598e46634cf4ad3d41619b8550c0639c26d3b6423ea3bc7b2cf6ab8495604c", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut file_content = read_file(path);
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/bin/main.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 Err(e) => panic!(e),
[INFO] [stderr]    |                                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: add a "{:?}" format string to use the `Debug` implementation of `RuntimeError`
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 Err(e) => panic!("{:?}", e),
[INFO] [stderr]    |                                  +++++++
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 23 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stderr]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/bin/main.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |                   panic!(format!(
[INFO] [stderr]    |  ________________________^
[INFO] [stderr] 31 | |                     "Parse error at index {}: no matching bracket found!",
[INFO] [stderr] 32 | |                     index
[INFO] [stderr] 33 | |                 ));
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]    |
[INFO] [stderr] 30 ~                 panic!(
[INFO] [stderr] 31 |                     "Parse error at index {}: no matching bracket found!",
[INFO] [stderr] 32 |                     index
[INFO] [stderr] 33 ~                 );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `brainfuck_interpreter` (bin "main" test) generated 3 warnings (run `cargo fix --bin "main" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.75
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/brainfuck_interpreter-c651bca509bec8bc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-f12f882fef1ab9f6)
[INFO] [stdout] test parser::test_parse_simple_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brainfuck_interpreter
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/parser.rs - parser::parse_program (line 23) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/parser.rs - parser::parse_program (line 23) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/parser.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 8  | let program = parse_program(&mut content.to_string()).unwrap();
[INFO] [stdout]    |               ------------- ^^^^^^^^^^^^^^^^^^^^^^^^ expected `String`, found `&mut String`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/parser.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn parse_program(mut raw_input: String) -> Result<Program, ParseError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 8  - let program = parse_program(&mut content.to_string()).unwrap();
[INFO] [stdout] 8  + let program = parse_program(content.to_string()).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/parser.rs - parser::parse_program (line 23)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6a598e46634cf4ad3d41619b8550c0639c26d3b6423ea3bc7b2cf6ab8495604c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a598e46634cf4ad3d41619b8550c0639c26d3b6423ea3bc7b2cf6ab8495604c", kill_on_drop: false }`
[INFO] [stdout] 6a598e46634cf4ad3d41619b8550c0639c26d3b6423ea3bc7b2cf6ab8495604c
