[INFO] cloning repository https://github.com/mayhewj/lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mayhewj/lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ffc764b5f35e40a67ddf92072826a6e9d9d40f1b [INFO] testing mayhewj/lox against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox" "/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/mayhewj/lox on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mayhewj/lox [INFO] finished tweaking git repo https://github.com/mayhewj/lox [INFO] tweaked toml for git repo https://github.com/mayhewj/lox written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/mayhewj/lox already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 encode_unicode v0.1.3 [INFO] [stderr] Downloaded cfg-if v0.1.2 [INFO] [stderr] Downloaded lazy_static v1.0.0 [INFO] [stderr] Downloaded aho-corasick v0.6.4 [INFO] [stderr] Downloaded num-integer v0.1.35 [INFO] [stderr] Downloaded num-iter v0.1.34 [INFO] [stderr] Downloaded atty v0.2.6 [INFO] [stderr] Downloaded num-traits v0.1.41 [INFO] [stderr] Downloaded num v0.1.41 [INFO] [stderr] Downloaded chrono v0.4.0 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] [stderr] Downloaded redox_syscall v0.1.37 [INFO] [stderr] Downloaded unicode-width v0.1.4 [INFO] [stderr] Downloaded time v0.1.39 [INFO] [stderr] Downloaded rustyline v1.0.0 [INFO] [stderr] Downloaded libc v0.2.36 [INFO] [stderr] Downloaded regex-syntax v0.4.2 [INFO] [stderr] Downloaded termcolor v0.3.3 [INFO] [stderr] Downloaded wincolor v0.1.4 [INFO] [stderr] Downloaded nix v0.5.1 [INFO] [stderr] Downloaded log v0.4.1 [INFO] [stderr] Downloaded bitflags v0.4.0 [INFO] [stderr] Downloaded env_logger v0.5.2 [INFO] [stderr] Downloaded regex v0.2.5 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6bc8c42ee4c6e4be0c6177dafb3f3303e47c3a155ad7f516703a443c5aac487b [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" "6bc8c42ee4c6e4be0c6177dafb3f3303e47c3a155ad7f516703a443c5aac487b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6bc8c42ee4c6e4be0c6177dafb3f3303e47c3a155ad7f516703a443c5aac487b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bc8c42ee4c6e4be0c6177dafb3f3303e47c3a155ad7f516703a443c5aac487b", kill_on_drop: false }` [INFO] [stdout] 6bc8c42ee4c6e4be0c6177dafb3f3303e47c3a155ad7f516703a443c5aac487b [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 1f60c7c6fec9d6efabe26e1cffa5d422cc1019e6865fe059f5ccc56b89262f4a [INFO] running `Command { std: "docker" "start" "-a" "1f60c7c6fec9d6efabe26e1cffa5d422cc1019e6865fe059f5ccc56b89262f4a", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling termcolor v0.3.3 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling time v0.1.39 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling regex v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling num v0.1.41 [INFO] [stderr] Compiling chrono v0.4.0 [INFO] [stderr] Compiling rustyline v1.0.0 [INFO] [stderr] Compiling env_logger v0.5.2 [INFO] [stderr] Compiling lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/runtime/lox_callable.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Interpreter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/runtime/lox_callable.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stdout] | ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:27:40 [INFO] [stdout] | [INFO] [stdout] 27 | type Result = result::Result>; [INFO] [stdout] | ^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 - type Result = result::Result>; [INFO] [stdout] 27 + type Result = result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/value.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | Callable(Rc), [INFO] [stdout] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 - Callable(Rc), [INFO] [stdout] 13 + Callable(Rc), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/lox_callable.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | impl fmt::Display for LoxCallable { [INFO] [stdout] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - impl fmt::Display for LoxCallable { [INFO] [stdout] 11 + impl fmt::Display for dyn LoxCallable { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/value.rs:28:45 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn into_callable(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 - pub fn into_callable(self) -> Option> { [INFO] [stdout] 28 + pub fn into_callable(self) -> Option> { [INFO] [stdout] | [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/scanner.rs:161:70 [INFO] [stdout] | [INFO] [stdout] 161 | eprintln!("[line {}] Error: {}.", self.line, err.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.75s [INFO] running `Command { std: "docker" "inspect" "1f60c7c6fec9d6efabe26e1cffa5d422cc1019e6865fe059f5ccc56b89262f4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f60c7c6fec9d6efabe26e1cffa5d422cc1019e6865fe059f5ccc56b89262f4a", kill_on_drop: false }` [INFO] [stdout] 1f60c7c6fec9d6efabe26e1cffa5d422cc1019e6865fe059f5ccc56b89262f4a [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cb3f807458cd07166dc80350be9d40d985875f08dcb0a153ef9ba88581d7554 [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" "8cb3f807458cd07166dc80350be9d40d985875f08dcb0a153ef9ba88581d7554", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/runtime/lox_callable.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Interpreter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/runtime/lox_callable.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stdout] | ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:27:40 [INFO] [stdout] | [INFO] [stdout] 27 | type Result = result::Result>; [INFO] [stdout] | ^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 - type Result = result::Result>; [INFO] [stdout] 27 + type Result = result::Result>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/value.rs:13:17 [INFO] [stdout] | [INFO] [stdout] 13 | Callable(Rc), [INFO] [stdout] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 - Callable(Rc), [INFO] [stdout] 13 + Callable(Rc), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/lox_callable.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 11 | impl fmt::Display for LoxCallable { [INFO] [stdout] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 11 - impl fmt::Display for LoxCallable { [INFO] [stdout] 11 + impl fmt::Display for dyn LoxCallable { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/runtime/value.rs:28:45 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn into_callable(self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 - pub fn into_callable(self) -> Option> { [INFO] [stdout] 28 + pub fn into_callable(self) -> Option> { [INFO] [stdout] | [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/scanner.rs:161:70 [INFO] [stdout] | [INFO] [stdout] 161 | eprintln!("[line {}] Error: {}.", self.line, err.description()); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.36s [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8cb3f807458cd07166dc80350be9d40d985875f08dcb0a153ef9ba88581d7554", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cb3f807458cd07166dc80350be9d40d985875f08dcb0a153ef9ba88581d7554", kill_on_drop: false }` [INFO] [stdout] 8cb3f807458cd07166dc80350be9d40d985875f08dcb0a153ef9ba88581d7554 [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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 768ab54a3cd03edbe7931e39005740cdf90a4f7094bff11902c582d0423ccad8 [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" "768ab54a3cd03edbe7931e39005740cdf90a4f7094bff11902c582d0423ccad8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/runtime/lox_callable.rs:6:20 [INFO] [stderr] | [INFO] [stderr] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Interpreter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/runtime/lox_callable.rs:6:38 [INFO] [stderr] | [INFO] [stderr] 6 | fn call(&self, &mut Interpreter, Vec) -> Result; [INFO] [stderr] | ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Vec` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:27:40 [INFO] [stderr] | [INFO] [stderr] 27 | type Result = result::Result>; [INFO] [stderr] | ^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 27 - type Result = result::Result>; [INFO] [stderr] 27 + type Result = result::Result>; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/runtime/value.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | Callable(Rc), [INFO] [stderr] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 13 - Callable(Rc), [INFO] [stderr] 13 + Callable(Rc), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/runtime/lox_callable.rs:11:23 [INFO] [stderr] | [INFO] [stderr] 11 | impl fmt::Display for LoxCallable { [INFO] [stderr] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 11 - impl fmt::Display for LoxCallable { [INFO] [stderr] 11 + impl fmt::Display for dyn LoxCallable { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/runtime/value.rs:28:45 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn into_callable(self) -> Option> { [INFO] [stderr] | ^^^^^^^^^^^ [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] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 28 - pub fn into_callable(self) -> Option> { [INFO] [stderr] 28 + pub fn into_callable(self) -> Option> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/scanner.rs:161:70 [INFO] [stderr] | [INFO] [stderr] 161 | eprintln!("[line {}] Error: {}.", self.line, err.description()); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `lox` (bin "lox" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lox-9b2e218827e4a178) [INFO] [stdout] running 5 tests [INFO] [stdout] test scanner::tests::number ... ok [INFO] [stdout] test scanner::tests::print ... ok [INFO] [stdout] test scanner::tests::string ... ok [INFO] [stdout] test scanner::tests::identifier ... ok [INFO] [stdout] test scanner::tests::conditional ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "768ab54a3cd03edbe7931e39005740cdf90a4f7094bff11902c582d0423ccad8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "768ab54a3cd03edbe7931e39005740cdf90a4f7094bff11902c582d0423ccad8", kill_on_drop: false }` [INFO] [stdout] 768ab54a3cd03edbe7931e39005740cdf90a4f7094bff11902c582d0423ccad8