[INFO] fetching crate expresso 0.2.5... [INFO] checking expresso-0.2.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate expresso 0.2.5 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate expresso 0.2.5 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 crates.io crate expresso 0.2.5 [INFO] finished tweaking crates.io crate expresso 0.2.5 [INFO] tweaked toml for crates.io crate expresso 0.2.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate expresso 0.2.5 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] 54ba597437b849eb35181ba419c7660c86579646d5a99e383dfc906f3427f9f2 [INFO] running `Command { std: "docker" "start" "-a" "54ba597437b849eb35181ba419c7660c86579646d5a99e383dfc906f3427f9f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54ba597437b849eb35181ba419c7660c86579646d5a99e383dfc906f3427f9f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54ba597437b849eb35181ba419c7660c86579646d5a99e383dfc906f3427f9f2", kill_on_drop: false }` [INFO] [stdout] 54ba597437b849eb35181ba419c7660c86579646d5a99e383dfc906f3427f9f2 [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] 95137c55f0341141b562797eaa4804ea399a9ca55a280e6424abec8e4dabaf48 [INFO] running `Command { std: "docker" "start" "-a" "95137c55f0341141b562797eaa4804ea399a9ca55a280e6424abec8e4dabaf48", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling anyhow v1.0.55 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking serde_yaml v0.8.23 [INFO] [stderr] Checking expresso v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::tokenizer::Token` [INFO] [stdout] --> src/expression.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::tokenizer::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::variable_storage::VariableStorage` [INFO] [stdout] --> src/expression.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::variable_storage::VariableStorage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `OPERATORS` [INFO] [stdout] --> src/instructions.rs:2:32 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::operator::{Operator,OPERATORS}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tokenizer::Token` [INFO] [stdout] --> src/variable_stack.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::tokenizer::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/variable_storage.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tokenizer::Token` [INFO] [stdout] --> src/expression.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::tokenizer::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::variable_storage::VariableStorage` [INFO] [stdout] --> src/expression.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::variable_storage::VariableStorage; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `OPERATORS` [INFO] [stdout] --> src/instructions.rs:2:32 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::operator::{Operator,OPERATORS}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tokenizer::Token` [INFO] [stdout] --> src/variable_stack.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::tokenizer::Token; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/variable_storage.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::variable_storage::VariableStorage` [INFO] [stdout] --> src/tests.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use super::variable_storage::VariableStorage; [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/variables.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug,Clone,PartialEq,Deserialize,Serialize)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `expresso` (lib) due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/variables.rs:5:32 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug,Clone,PartialEq,Deserialize,Serialize)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:425:2 [INFO] [stdout] | [INFO] [stdout] 425 | expression.from_str( "1+2" ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 425 | let _ = expression.from_str( "1+2" ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:432:2 [INFO] [stdout] | [INFO] [stdout] 432 | expression.from_str( "1+2" ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 432 | let _ = expression.from_str( "1+2" ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:435:2 [INFO] [stdout] | [INFO] [stdout] 435 | expression.from_str( "1+" ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 435 | let _ = expression.from_str( "1+" ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:443:2 [INFO] [stdout] | [INFO] [stdout] 443 | expression.from_str( "(1+2*5+9-10)/(4-2)" ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 443 | let _ = expression.from_str( "(1+2*5+9-10)/(4-2)" ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:451:2 [INFO] [stdout] | [INFO] [stdout] 451 | expression.from_str( "fun3(1,2,3)" ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 451 | let _ = expression.from_str( "fun3(1,2,3)" ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:462:2 [INFO] [stdout] | [INFO] [stdout] 462 | expression.from_str( "" ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 462 | let _ = expression.from_str( "" ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:470:2 [INFO] [stdout] | [INFO] [stdout] 470 | expression.from_str( "1 +" ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 470 | let _ = expression.from_str( "1 +" ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tests.rs:473:2 [INFO] [stdout] | [INFO] [stdout] 473 | expression.from_str( "1 1 1 +" ); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 473 | let _ = expression.from_str( "1 1 1 +" ); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `expresso` (lib test) due to 2 previous errors; 14 warnings emitted [INFO] running `Command { std: "docker" "inspect" "95137c55f0341141b562797eaa4804ea399a9ca55a280e6424abec8e4dabaf48", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95137c55f0341141b562797eaa4804ea399a9ca55a280e6424abec8e4dabaf48", kill_on_drop: false }` [INFO] [stdout] 95137c55f0341141b562797eaa4804ea399a9ca55a280e6424abec8e4dabaf48