[INFO] cloning repository https://github.com/jinroh/rust-brainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jinroh/rust-brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinroh%2Frust-brainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinroh%2Frust-brainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c77cacb3102024deedfa7c67ecbd95127d6dc2f
[INFO] testing jinroh/rust-brainfuck against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinroh%2Frust-brainfuck" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jinroh/rust-brainfuck on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jinroh/rust-brainfuck
[INFO] finished tweaking git repo https://github.com/jinroh/rust-brainfuck
[INFO] tweaked toml for git repo https://github.com/jinroh/rust-brainfuck written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jinroh/rust-brainfuck already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e3ce417cf05e844e67d495ae55ee7486e6de5a6b3c3ee27ddbb658eb2c4f45
[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" "f8e3ce417cf05e844e67d495ae55ee7486e6de5a6b3c3ee27ddbb658eb2c4f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e3ce417cf05e844e67d495ae55ee7486e6de5a6b3c3ee27ddbb658eb2c4f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e3ce417cf05e844e67d495ae55ee7486e6de5a6b3c3ee27ddbb658eb2c4f45", kill_on_drop: false }`
[INFO] [stdout] f8e3ce417cf05e844e67d495ae55ee7486e6de5a6b3c3ee27ddbb658eb2c4f45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b66a9c6ad3a57ecb10f788827ef89d18d75be687df9f9ed49dd8f7b12e4af122
[INFO] running `Command { std: "docker" "start" "-a" "b66a9c6ad3a57ecb10f788827ef89d18d75be687df9f9ed49dd8f7b12e4af122", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling rust-brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brfk/interpreter.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |     input: Box<BufRead>,
[INFO] [stdout]    |                ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brfk/interpreter.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     output: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brfk/interpreter.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(input: Box<BufRead>, output: Box<Write>, code: &'a [OpCode]) -> Interpreter<'a> {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brfk/interpreter.rs:50:49
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(input: Box<BufRead>, output: Box<Write>, code: &'a [OpCode]) -> Interpreter<'a> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/brfk/interpreter.rs:156:37
[INFO] [stdout]     |
[INFO] [stdout] 156 | ...                   0x20...0x7e => print!("{}", byte as char),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:19:60
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn run_interpreter(filename: String) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:44:50
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 writeln!(io::stderr(), "{}", err.description()).unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:64:42
[INFO] [stdout]    |
[INFO] [stdout] 64 |             CliError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stdout]    --> src/brfk/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             command_string.trim();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "b66a9c6ad3a57ecb10f788827ef89d18d75be687df9f9ed49dd8f7b12e4af122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66a9c6ad3a57ecb10f788827ef89d18d75be687df9f9ed49dd8f7b12e4af122", kill_on_drop: false }`
[INFO] [stdout] b66a9c6ad3a57ecb10f788827ef89d18d75be687df9f9ed49dd8f7b12e4af122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1327eefc5af4c0ebbce4bb78f8b449757039e495cbda88a1dc9f2d4ad9d017c7
[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" "1327eefc5af4c0ebbce4bb78f8b449757039e495cbda88a1dc9f2d4ad9d017c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-brainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brfk/interpreter.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |     input: Box<BufRead>,
[INFO] [stdout]    |                ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brfk/interpreter.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     output: Box<Write>,
[INFO] [stdout]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brfk/interpreter.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(input: Box<BufRead>, output: Box<Write>, code: &'a [OpCode]) -> Interpreter<'a> {
[INFO] [stdout]    |                           ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brfk/interpreter.rs:50:49
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn new(input: Box<BufRead>, output: Box<Write>, code: &'a [OpCode]) -> Interpreter<'a> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/brfk/interpreter.rs:156:37
[INFO] [stdout]     |
[INFO] [stdout] 156 | ...                   0x20...0x7e => print!("{}", byte as char),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:19:60
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn run_interpreter(filename: String) -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:44:50
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 writeln!(io::stderr(), "{}", err.description()).unwrap();
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:64:42
[INFO] [stdout]    |
[INFO] [stdout] 64 |             CliError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stdout]    --> src/brfk/interpreter.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             command_string.trim();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "1327eefc5af4c0ebbce4bb78f8b449757039e495cbda88a1dc9f2d4ad9d017c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1327eefc5af4c0ebbce4bb78f8b449757039e495cbda88a1dc9f2d4ad9d017c7", kill_on_drop: false }`
[INFO] [stdout] 1327eefc5af4c0ebbce4bb78f8b449757039e495cbda88a1dc9f2d4ad9d017c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57d2f4681a46e91fd649202dbb80cec725bf08d3ae0bcccedcdcf331195b485b
[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" "57d2f4681a46e91fd649202dbb80cec725bf08d3ae0bcccedcdcf331195b485b", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brfk/interpreter.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |     input: Box<BufRead>,
[INFO] [stderr]    |                ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brfk/interpreter.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |     output: Box<Write>,
[INFO] [stderr]    |                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brfk/interpreter.rs:50:27
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn new(input: Box<BufRead>, output: Box<Write>, code: &'a [OpCode]) -> Interpreter<'a> {
[INFO] [stderr]    |                           ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/brfk/interpreter.rs:50:49
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn new(input: Box<BufRead>, output: Box<Write>, code: &'a [OpCode]) -> Interpreter<'a> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/brfk/interpreter.rs:156:37
[INFO] [stderr]     |
[INFO] [stderr] 156 | ...                   0x20...0x7e => print!("{}", byte as char),
[INFO] [stderr]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:60
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn run_interpreter(filename: String) -> Result<(), Box<error::Error>> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:44:50
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 writeln!(io::stderr(), "{}", err.description()).unwrap();
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:64:42
[INFO] [stderr]    |
[INFO] [stderr] 64 |             CliError::Io(ref err) => err.description(),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]    --> src/brfk/interpreter.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             command_string.trim();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_brainfuck-b448413b540694a4
[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" "57d2f4681a46e91fd649202dbb80cec725bf08d3ae0bcccedcdcf331195b485b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d2f4681a46e91fd649202dbb80cec725bf08d3ae0bcccedcdcf331195b485b", kill_on_drop: false }`
[INFO] [stdout] 57d2f4681a46e91fd649202dbb80cec725bf08d3ae0bcccedcdcf331195b485b