[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 beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjinroh%2Frust-brainfuck" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jinroh/rust-brainfuck on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad0319f7b557c519ec0c55b1970a981c5243c512c386e65a127f27e7a969e127 [INFO] running `Command { std: "docker" "start" "-a" "ad0319f7b557c519ec0c55b1970a981c5243c512c386e65a127f27e7a969e127", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad0319f7b557c519ec0c55b1970a981c5243c512c386e65a127f27e7a969e127", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad0319f7b557c519ec0c55b1970a981c5243c512c386e65a127f27e7a969e127", kill_on_drop: false }` [INFO] [stdout] ad0319f7b557c519ec0c55b1970a981c5243c512c386e65a127f27e7a969e127 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9bf9c9215af48d9a078912bd66dc38d3ea7ffdffe87ab2b61e0ad6fbb3bc345 [INFO] running `Command { std: "docker" "start" "-a" "f9bf9c9215af48d9a078912bd66dc38d3ea7ffdffe87ab2b61e0ad6fbb3bc345", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, output: Box, code: &'a [OpCode]) -> Interpreter<'a> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, output: Box, code: &'a [OpCode]) -> Interpreter<'a> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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::::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 9.50s [INFO] running `Command { std: "docker" "inspect" "f9bf9c9215af48d9a078912bd66dc38d3ea7ffdffe87ab2b61e0ad6fbb3bc345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9bf9c9215af48d9a078912bd66dc38d3ea7ffdffe87ab2b61e0ad6fbb3bc345", kill_on_drop: false }` [INFO] [stdout] f9bf9c9215af48d9a078912bd66dc38d3ea7ffdffe87ab2b61e0ad6fbb3bc345 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dba344ac87032a5b083862d77af7ac5f451e4ee97bfb3d442daff1f340019e1f [INFO] running `Command { std: "docker" "start" "-a" "dba344ac87032a5b083862d77af7ac5f451e4ee97bfb3d442daff1f340019e1f", kill_on_drop: false }` [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, [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, output: Box, code: &'a [OpCode]) -> Interpreter<'a> { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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, output: Box, code: &'a [OpCode]) -> Interpreter<'a> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [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::::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 0.58s [INFO] running `Command { std: "docker" "inspect" "dba344ac87032a5b083862d77af7ac5f451e4ee97bfb3d442daff1f340019e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dba344ac87032a5b083862d77af7ac5f451e4ee97bfb3d442daff1f340019e1f", kill_on_drop: false }` [INFO] [stdout] dba344ac87032a5b083862d77af7ac5f451e4ee97bfb3d442daff1f340019e1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 31d8fc996acc909996e73ef861aa60145a225213c4b26765dfbc024fd8330b96 [INFO] running `Command { std: "docker" "start" "-a" "31d8fc996acc909996e73ef861aa60145a225213c4b26765dfbc024fd8330b96", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/brfk/interpreter.rs:43:16 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 43 | input: Box, [INFO] [stdout] [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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, output: Box, code: &'a [OpCode]) -> Interpreter<'a> { [INFO] [stderr] | ^^^^^^^ help: use `dyn`: `dyn BufRead` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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, output: Box, code: &'a [OpCode]) -> Interpreter<'a> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [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::::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: `rust-brainfuck` (bin "rust-brainfuck" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_brainfuck-5c9398e46faa8ad6) [INFO] running `Command { std: "docker" "inspect" "31d8fc996acc909996e73ef861aa60145a225213c4b26765dfbc024fd8330b96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31d8fc996acc909996e73ef861aa60145a225213c4b26765dfbc024fd8330b96", kill_on_drop: false }` [INFO] [stdout] 31d8fc996acc909996e73ef861aa60145a225213c4b26765dfbc024fd8330b96