[INFO] cloning repository https://github.com/floxo115/rust-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/floxo115/rust-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloxo115%2Frust-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloxo115%2Frust-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5d70ae80cfaf3c72be740c587238fa67cf135e32 [INFO] testing floxo115/rust-interpreter against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloxo115%2Frust-interpreter" "/workspace/builds/worker-75/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/floxo115/rust-interpreter on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/floxo115/rust-interpreter [INFO] finished tweaking git repo https://github.com/floxo115/rust-interpreter [INFO] tweaked toml for git repo https://github.com/floxo115/rust-interpreter written to /workspace/builds/worker-75/source/Cargo.toml [INFO] crate git repo https://github.com/floxo115/rust-interpreter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dd990458ec06bf77b16dc2439fe77a6e7d27cd14af0ea5d777032c4240695998 [INFO] running `Command { std: "docker" "start" "-a" "dd990458ec06bf77b16dc2439fe77a6e7d27cd14af0ea5d777032c4240695998", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd990458ec06bf77b16dc2439fe77a6e7d27cd14af0ea5d777032c4240695998", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd990458ec06bf77b16dc2439fe77a6e7d27cd14af0ea5d777032c4240695998", kill_on_drop: false }` [INFO] [stdout] dd990458ec06bf77b16dc2439fe77a6e7d27cd14af0ea5d777032c4240695998 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 006a413eb547289470d56c40c8a4f163dc6c42adb2e223b91b014ec9972b5b2a [INFO] running `Command { std: "docker" "start" "-a" "006a413eb547289470d56c40c8a4f163dc6c42adb2e223b91b014ec9972b5b2a", kill_on_drop: false }` [INFO] [stderr] Compiling rust-mylang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokens::Token` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokens::Token; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:9:21 [INFO] [stdout] | [INFO] [stdout] 9 | pub operator: Box]) -> String>, [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 - pub operator: Box]) -> String>, [INFO] [stdout] 9 + pub operator: Box]) -> String>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | pub operator: Box]) -> String>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 - pub operator: Box]) -> String>, [INFO] [stdout] 9 + pub operator: Box]) -> String>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | pub nodes: Vec>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 10 - pub nodes: Vec>, [INFO] [stdout] 10 + pub nodes: Vec>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:34:35 [INFO] [stdout] | [INFO] [stdout] 34 | fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 34 - fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stdout] 34 + fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:5:41 [INFO] [stdout] | [INFO] [stdout] 5 | fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 5 - fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stdout] 5 + fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.24s [INFO] running `Command { std: "docker" "inspect" "006a413eb547289470d56c40c8a4f163dc6c42adb2e223b91b014ec9972b5b2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "006a413eb547289470d56c40c8a4f163dc6c42adb2e223b91b014ec9972b5b2a", kill_on_drop: false }` [INFO] [stdout] 006a413eb547289470d56c40c8a4f163dc6c42adb2e223b91b014ec9972b5b2a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2be8d274786f8be12347d79f05ff9a30d0f3643551a2dbb974aaa399fb9d495 [INFO] running `Command { std: "docker" "start" "-a" "c2be8d274786f8be12347d79f05ff9a30d0f3643551a2dbb974aaa399fb9d495", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-mylang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokens::Token` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tokens::Token; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:9:21 [INFO] [stdout] | [INFO] [stdout] 9 | pub operator: Box]) -> String>, [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 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 - pub operator: Box]) -> String>, [INFO] [stdout] 9 + pub operator: Box]) -> String>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | pub operator: Box]) -> String>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 - pub operator: Box]) -> String>, [INFO] [stdout] 9 + pub operator: Box]) -> String>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:10:22 [INFO] [stdout] | [INFO] [stdout] 10 | pub nodes: Vec>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 10 - pub nodes: Vec>, [INFO] [stdout] 10 + pub nodes: Vec>, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:34:35 [INFO] [stdout] | [INFO] [stdout] 34 | fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 34 - fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stdout] 34 + fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ast/operator.rs:5:41 [INFO] [stdout] | [INFO] [stdout] 5 | fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 5 - fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stdout] 5 + fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.77s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_mylang-bcf3b839eeb43273) [INFO] running `Command { std: "docker" "inspect" "c2be8d274786f8be12347d79f05ff9a30d0f3643551a2dbb974aaa399fb9d495", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2be8d274786f8be12347d79f05ff9a30d0f3643551a2dbb974aaa399fb9d495", kill_on_drop: false }` [INFO] [stdout] c2be8d274786f8be12347d79f05ff9a30d0f3643551a2dbb974aaa399fb9d495 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e738d827581cdbf3c2a6eef9b9c7764ca14b446a215a2d613d6581bc4ddf67aa [INFO] running `Command { std: "docker" "start" "-a" "e738d827581cdbf3c2a6eef9b9c7764ca14b446a215a2d613d6581bc4ddf67aa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unused import: `std::io::BufRead` [INFO] [stdout] running 4 tests [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stdout] test lexer::test::new_lexer ... ok [INFO] [stderr] | [INFO] [stdout] test lexer::test::next_token ... ok [INFO] [stderr] 7 | use std::io::BufRead; [INFO] [stdout] test parser::test::next_token ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] test parser::test::parse_program ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: unused import: `tokens::Token` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use tokens::Token; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast/operator.rs:9:21 [INFO] [stderr] | [INFO] [stderr] 9 | pub operator: Box]) -> String>, [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 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 9 - pub operator: Box]) -> String>, [INFO] [stderr] 9 + pub operator: Box]) -> String>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast/operator.rs:9:30 [INFO] [stderr] | [INFO] [stderr] 9 | pub operator: Box]) -> String>, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 9 - pub operator: Box]) -> String>, [INFO] [stderr] 9 + pub operator: Box]) -> String>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast/operator.rs:10:22 [INFO] [stderr] | [INFO] [stderr] 10 | pub nodes: Vec>, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 10 - pub nodes: Vec>, [INFO] [stderr] 10 + pub nodes: Vec>, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast/operator.rs:34:35 [INFO] [stderr] | [INFO] [stderr] 34 | fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 34 - fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stderr] 34 + fn addition_strategy(nodes: &[Box]) -> String { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/ast/operator.rs:5:41 [INFO] [stderr] | [INFO] [stderr] 5 | fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 5 - fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stderr] 5 + fn apply_operator(&self, nodes: &[Box]) -> String; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `rust-mylang` (bin "rust-mylang" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.33s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_mylang-bcf3b839eeb43273) [INFO] running `Command { std: "docker" "inspect" "e738d827581cdbf3c2a6eef9b9c7764ca14b446a215a2d613d6581bc4ddf67aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e738d827581cdbf3c2a6eef9b9c7764ca14b446a215a2d613d6581bc4ddf67aa", kill_on_drop: false }` [INFO] [stdout] e738d827581cdbf3c2a6eef9b9c7764ca14b446a215a2d613d6581bc4ddf67aa