[INFO] cloning repository https://github.com/Xtreme-Light/_function_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xtreme-Light/_function_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXtreme-Light%2F_function_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXtreme-Light%2F_function_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 65c5e8bb56dd9082096c0081f3dba63207480db4 [INFO] checking Xtreme-Light/_function_playground/65c5e8bb56dd9082096c0081f3dba63207480db4 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%2FXtreme-Light%2F_function_playground" "/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/Xtreme-Light/_function_playground 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/Xtreme-Light/_function_playground [INFO] finished tweaking git repo https://github.com/Xtreme-Light/_function_playground [INFO] tweaked toml for git repo https://github.com/Xtreme-Light/_function_playground written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Xtreme-Light/_function_playground 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] 82afc9a3a7060b47d60087b3dc642f620916cc425794793b4bf0c2974745ba33 [INFO] running `Command { std: "docker" "start" "-a" "82afc9a3a7060b47d60087b3dc642f620916cc425794793b4bf0c2974745ba33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82afc9a3a7060b47d60087b3dc642f620916cc425794793b4bf0c2974745ba33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82afc9a3a7060b47d60087b3dc642f620916cc425794793b4bf0c2974745ba33", kill_on_drop: false }` [INFO] [stdout] 82afc9a3a7060b47d60087b3dc642f620916cc425794793b4bf0c2974745ba33 [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] 559ac9900b35b9f090d60718caf15cda83e6b9fe4af07a2bae497bfeda818652 [INFO] running `Command { std: "docker" "start" "-a" "559ac9900b35b9f090d60718caf15cda83e6b9fe4af07a2bae497bfeda818652", kill_on_drop: false }` [INFO] [stderr] Checking _function_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `collections::linked_list` [INFO] [stdout] --> src/linked_list.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc, collections::linked_list}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `collections::linked_list` [INFO] [stdout] --> src/linked_list.rs:1:34 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc, collections::linked_list}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/linked_list.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 5 | data: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_prev` and `get_next` are never used [INFO] [stdout] --> src/linked_list.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Node { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn get_prev(&self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn get_next(&self) -> Link { [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/linked_list.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(data: T) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | Node { [INFO] [stdout] 13 | data: Rc::new(data), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/linked_list.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(data: T) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 14 | prev: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/linked_list.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(data: T) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 15 | next: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/linked_list.rs:35:14 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new_link(data: T) -> Link { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | Some(Rc::new(RefCell::new(Box::new(Node::new(data))))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/linked_list.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 5 | data: Rc, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_prev` and `get_next` are never used [INFO] [stdout] --> src/linked_list.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Node { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 26 | fn get_prev(&self) -> Link { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn get_next(&self) -> Link { [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/linked_list.rs:13:19 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(data: T) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | Node { [INFO] [stdout] 13 | data: Rc::new(data), [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] [stderr] error: could not compile `_function_playground` (bin "_function_playground" test) due to 5 previous errors; 3 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/linked_list.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(data: T) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 14 | prev: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/linked_list.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 11 | fn new(data: T) -> Self { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 15 | next: None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/linked_list.rs:35:14 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new_link(data: T) -> Link { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 35 | Some(Rc::new(RefCell::new(Box::new(Node::new(data))))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `_function_playground` (bin "_function_playground") due to 5 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "559ac9900b35b9f090d60718caf15cda83e6b9fe4af07a2bae497bfeda818652", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "559ac9900b35b9f090d60718caf15cda83e6b9fe4af07a2bae497bfeda818652", kill_on_drop: false }` [INFO] [stdout] 559ac9900b35b9f090d60718caf15cda83e6b9fe4af07a2bae497bfeda818652