[INFO] cloning repository https://github.com/CliffM1967/rpn_language [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CliffM1967/rpn_language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCliffM1967%2Frpn_language", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCliffM1967%2Frpn_language'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 29b186bfce2879d5cf07de89d9f0aa0ab74d9c77 [INFO] checking CliffM1967/rpn_language/29b186bfce2879d5cf07de89d9f0aa0ab74d9c77 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCliffM1967%2Frpn_language" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CliffM1967/rpn_language on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CliffM1967/rpn_language [INFO] finished tweaking git repo https://github.com/CliffM1967/rpn_language [INFO] tweaked toml for git repo https://github.com/CliffM1967/rpn_language written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/CliffM1967/rpn_language 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a931c4a0d8e3a1eaf8e563bd7096988e161966ba29685c8f19a4b4df7c5d3f42 [INFO] running `Command { std: "docker" "start" "-a" "a931c4a0d8e3a1eaf8e563bd7096988e161966ba29685c8f19a4b4df7c5d3f42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a931c4a0d8e3a1eaf8e563bd7096988e161966ba29685c8f19a4b4df7c5d3f42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a931c4a0d8e3a1eaf8e563bd7096988e161966ba29685c8f19a4b4df7c5d3f42", kill_on_drop: false }` [INFO] [stdout] a931c4a0d8e3a1eaf8e563bd7096988e161966ba29685c8f19a4b4df7c5d3f42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e2d7c2e6bb41b2a6f9a529e83ccf61ce8114cb9223bc0ff236a23bef8a289684 [INFO] running `Command { std: "docker" "start" "-a" "e2d7c2e6bb41b2a6f9a529e83ccf61ce8114cb9223bc0ff236a23bef8a289684", kill_on_drop: false }` [INFO] [stderr] Checking rpn_language v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 174 | _ => todo!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 154 | Command::Integer(i) => stack.push(StackEntry::Integer(i)), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 155 | Command::Primitive(p) => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 165 | Command::String(s) => stack.push(StackEntry::String(s)), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 166 | Command::Symbol(s) => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 174 | _ => todo!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `token` is never read [INFO] [stdout] --> src/lib.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut token = String::new(); // this will hold each token we find [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Command` is never used [INFO] [stdout] --> src/lib.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum Command { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `StackEntry` is never used [INFO] [stdout] --> src/lib.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum StackEntry { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Env` is never constructed [INFO] [stdout] --> src/lib.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct Env { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `is_top`, `define`, `lookup`, `inner`, and `outer` are never used [INFO] [stdout] --> src/lib.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Env { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 23 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn is_top(&self)->bool{ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn define(&mut self, key: String, value: StackEntry) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | fn lookup(&self, key: String) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn inner(self)->Self{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn outer(self)->Option{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse` is never used [INFO] [stdout] --> src/lib.rs:65:4 [INFO] [stdout] | [INFO] [stdout] 65 | fn parse(prog: &str) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pop_int` is never used [INFO] [stdout] --> src/lib.rs:94:4 [INFO] [stdout] | [INFO] [stdout] 94 | fn pop_int(stack: &mut Vec) -> i64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_define` is never used [INFO] [stdout] --> src/lib.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn run_define(env: &mut Env, stack: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_bin_int_op` is never used [INFO] [stdout] --> src/lib.rs:109:4 [INFO] [stdout] | [INFO] [stdout] 109 | fn run_bin_int_op(cmd: &str, mut stack: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `pop_string` is never used [INFO] [stdout] --> src/lib.rs:120:4 [INFO] [stdout] | [INFO] [stdout] 120 | fn pop_string(stack: &mut Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_lookup` is never used [INFO] [stdout] --> src/lib.rs:129:4 [INFO] [stdout] | [INFO] [stdout] 129 | fn run_lookup(env: &mut Env, stack: &mut Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_execute` is never used [INFO] [stdout] --> src/lib.rs:135:4 [INFO] [stdout] | [INFO] [stdout] 135 | fn run_execute(cmd_stack:&mut Vec,stack :&mut Vec){ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_env` is never used [INFO] [stdout] --> src/lib.rs:143:4 [INFO] [stdout] | [INFO] [stdout] 143 | fn run_env(prog: &str) -> (Vec, Env) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenise` is never used [INFO] [stdout] --> src/lib.rs:180:4 [INFO] [stdout] | [INFO] [stdout] 180 | fn tokenise(s: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/lib.rs:243:4 [INFO] [stdout] | [INFO] [stdout] 243 | fn run(prog: &str) -> Vec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 57 | fn outer(self)->Option{ [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 61 | Some(*self.parent.unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rpn_language` (lib) due to 2 previous errors; 16 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lib.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 174 | _ => todo!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/lib.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 154 | Command::Integer(i) => stack.push(StackEntry::Integer(i)), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 155 | Command::Primitive(p) => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 165 | Command::String(s) => stack.push(StackEntry::String(s)), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 166 | Command::Symbol(s) => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 174 | _ => todo!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `token` is never read [INFO] [stdout] --> src/lib.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut token = String::new(); // this will hold each token we find [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o` [INFO] [stdout] --> src/lib.rs:420:9 [INFO] [stdout] | [INFO] [stdout] 420 | o => assert!(false), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_o` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:61:14 [INFO] [stdout] | [INFO] [stdout] 57 | fn outer(self)->Option{ [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 61 | Some(*self.parent.unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rpn_language` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e2d7c2e6bb41b2a6f9a529e83ccf61ce8114cb9223bc0ff236a23bef8a289684", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2d7c2e6bb41b2a6f9a529e83ccf61ce8114cb9223bc0ff236a23bef8a289684", kill_on_drop: false }` [INFO] [stdout] e2d7c2e6bb41b2a6f9a529e83ccf61ce8114cb9223bc0ff236a23bef8a289684