[INFO] cloning repository https://github.com/AndreiKazakov/rust-16-bit-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndreiKazakov/rust-16-bit-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreiKazakov%2Frust-16-bit-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreiKazakov%2Frust-16-bit-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b74f3578bc5c2dcd8467400ad7628f2001ba2f64 [INFO] building AndreiKazakov/rust-16-bit-vm against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndreiKazakov%2Frust-16-bit-vm" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AndreiKazakov/rust-16-bit-vm on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AndreiKazakov/rust-16-bit-vm [INFO] finished tweaking git repo https://github.com/AndreiKazakov/rust-16-bit-vm [INFO] tweaked toml for git repo https://github.com/AndreiKazakov/rust-16-bit-vm written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AndreiKazakov/rust-16-bit-vm 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6bd6d417b60d2dbe09f8280fe6141944cb383126445d326f08256f1644efe9ae [INFO] running `Command { std: "docker" "start" "-a" "6bd6d417b60d2dbe09f8280fe6141944cb383126445d326f08256f1644efe9ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6bd6d417b60d2dbe09f8280fe6141944cb383126445d326f08256f1644efe9ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bd6d417b60d2dbe09f8280fe6141944cb383126445d326f08256f1644efe9ae", kill_on_drop: false }` [INFO] [stdout] 6bd6d417b60d2dbe09f8280fe6141944cb383126445d326f08256f1644efe9ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a43f73d5dbb0f32157bbce344a97c9d8139016fe4f9dd3bf34b013adb49b9fbb [INFO] running `Command { std: "docker" "start" "-a" "a43f73d5dbb0f32157bbce344a97c9d8139016fe4f9dd3bf34b013adb49b9fbb", kill_on_drop: false }` [INFO] [stderr] Compiling vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/parser_combinator/core.rs:97:35 [INFO] [stdout] | [INFO] [stdout] 97 | while let Ok(state) = self.parse_at(input, index) { [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | `state` calls a custom destructor [INFO] [stdout] | `state` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/parser_combinator/core.rs:172:27 [INFO] [stdout] | [INFO] [stdout] 164 | match p.parse_at(&input, i) { [INFO] [stdout] | --------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 172 | match separator.parse_at(&input, i) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 176 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hex8_or_exp` is never used [INFO] [stdout] --> src/assembler/formats.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn hex8_or_exp<'a>() -> Parser<'a, str, Type> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hex_literal8` is never used [INFO] [stdout] --> src/assembler/parser.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | pub fn hex_literal8<'a>() -> Parser<'a, str, Type> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `HexLiteral8` is never constructed [INFO] [stdout] --> src/assembler/parser.rs:204:5 [INFO] [stdout] | [INFO] [stdout] 178 | pub enum Type { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 204 | HexLiteral8(u8), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `match_literal` is never used [INFO] [stdout] --> src/parser_combinator/byte.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn match_literal(expected: &[u8]) -> Parser<[u8], ()> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `map_err`, `sequence_of`, and `between` are never used [INFO] [stdout] --> src/parser_combinator/core.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 39 | impl<'a, I: ?Sized + ParseInput, O> Parser<'a, I, O> { [INFO] [stdout] | ---------------------------------------------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 78 | pub fn map_err(self, err_map_fn: F) -> Parser<'a, I, O> [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 133 | pub fn sequence_of(parsers: Vec>) -> Parser> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 186 | pub fn between( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `upper_or_lower` is never used [INFO] [stdout] --> src/parser_combinator/string.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn upper_or_lower<'a>(s: String) -> Parser<'a, str, String> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `vm` (bin "vm") due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a43f73d5dbb0f32157bbce344a97c9d8139016fe4f9dd3bf34b013adb49b9fbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a43f73d5dbb0f32157bbce344a97c9d8139016fe4f9dd3bf34b013adb49b9fbb", kill_on_drop: false }` [INFO] [stdout] a43f73d5dbb0f32157bbce344a97c9d8139016fe4f9dd3bf34b013adb49b9fbb