[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] checking mayhewj/lox against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Flox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mayhewj/lox on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded termcolor v0.3.3 [INFO] [stderr] Downloaded encode_unicode v0.1.3 [INFO] [stderr] Downloaded wincolor v0.1.4 [INFO] [stderr] Downloaded rustyline v1.0.0 [INFO] [stderr] Downloaded env_logger v0.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ebfc6037c5062a1fce475eb19298b9540793e49cc61422450caa70e2edefbe1 [INFO] running `Command { std: "docker" "start" "-a" "1ebfc6037c5062a1fce475eb19298b9540793e49cc61422450caa70e2edefbe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ebfc6037c5062a1fce475eb19298b9540793e49cc61422450caa70e2edefbe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ebfc6037c5062a1fce475eb19298b9540793e49cc61422450caa70e2edefbe1", kill_on_drop: false }` [INFO] [stdout] 1ebfc6037c5062a1fce475eb19298b9540793e49cc61422450caa70e2edefbe1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c6cba25ee6c2947e34ae21a61e36bbc8efd31bc17ab37b27480e45e077a6c35 [INFO] running `Command { std: "docker" "start" "-a" "7c6cba25ee6c2947e34ae21a61e36bbc8efd31bc17ab37b27480e45e077a6c35", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking termcolor v0.3.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking regex v0.2.5 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stderr] Checking env_logger v0.5.2 [INFO] [stderr] Checking 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] = 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] = note: `#[warn(anonymous_parameters)]` on by default [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: 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] = 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] = note: `#[warn(anonymous_parameters)]` on by default [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] = 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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [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/main.rs:27:40 [INFO] [stdout] | [INFO] [stdout] 27 | type Result = result::Result>; [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | pub fn into_callable(self) -> Option> { [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [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: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 28 | pub fn into_callable(self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `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: use of deprecated method `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] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "7c6cba25ee6c2947e34ae21a61e36bbc8efd31bc17ab37b27480e45e077a6c35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c6cba25ee6c2947e34ae21a61e36bbc8efd31bc17ab37b27480e45e077a6c35", kill_on_drop: false }` [INFO] [stdout] 7c6cba25ee6c2947e34ae21a61e36bbc8efd31bc17ab37b27480e45e077a6c35