[INFO] cloning repository https://github.com/alex-snezhko/aoc22 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alex-snezhko/aoc22" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-snezhko%2Faoc22", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falex-snezhko%2Faoc22'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93df7d17dff576588c1ec24556a44eece846db22 [INFO] checking alex-snezhko/aoc22/93df7d17dff576588c1ec24556a44eece846db22 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%2Falex-snezhko%2Faoc22" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alex-snezhko/aoc22 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/alex-snezhko/aoc22 [INFO] finished tweaking git repo https://github.com/alex-snezhko/aoc22 [INFO] tweaked toml for git repo https://github.com/alex-snezhko/aoc22 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/alex-snezhko/aoc22 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dffc9c367d9f09d276af1be2ec921a407a5d7b5900d8b4b19454c142b4606ed2 [INFO] running `Command { std: "docker" "start" "-a" "dffc9c367d9f09d276af1be2ec921a407a5d7b5900d8b4b19454c142b4606ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dffc9c367d9f09d276af1be2ec921a407a5d7b5900d8b4b19454c142b4606ed2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dffc9c367d9f09d276af1be2ec921a407a5d7b5900d8b4b19454c142b4606ed2", kill_on_drop: false }` [INFO] [stdout] dffc9c367d9f09d276af1be2ec921a407a5d7b5900d8b4b19454c142b4606ed2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fb99f4815bb1f056e849cc8c83d606219f4ffdd6084e94b42f4030baee0be138 [INFO] running `Command { std: "docker" "start" "-a" "fb99f4815bb1f056e849cc8c83d606219f4ffdd6084e94b42f4030baee0be138", kill_on_drop: false }` [INFO] [stderr] Checking aoc22 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max` and `min` [INFO] [stdout] --> src/main.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{min, max}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap` and `VecDeque` [INFO] [stdout] --> src/main.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::{VecDeque, HashSet, HashMap}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `max` and `min` [INFO] [stdout] --> src/main.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{min, max}; [INFO] [stdout] | ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap` and `VecDeque` [INFO] [stdout] --> src/main.rs:3:24 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::{VecDeque, HashSet, HashMap}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `part2` is never used [INFO] [stdout] --> src/main.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn part2() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/main.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 10 | where P: AsRef, { [INFO] [stdout] 11 | let file = File::open(filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | Ok(io::BufReader::new(file).lines()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc22` (bin "aoc22") due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: function `part2` is never used [INFO] [stdout] --> src/main.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn part2() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/main.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn read_lines

(filename: P) -> io::Result>> [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 10 | where P: AsRef, { [INFO] [stdout] 11 | let file = File::open(filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 12 | Ok(io::BufReader::new(file).lines()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `aoc22` (bin "aoc22" test) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fb99f4815bb1f056e849cc8c83d606219f4ffdd6084e94b42f4030baee0be138", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb99f4815bb1f056e849cc8c83d606219f4ffdd6084e94b42f4030baee0be138", kill_on_drop: false }` [INFO] [stdout] fb99f4815bb1f056e849cc8c83d606219f4ffdd6084e94b42f4030baee0be138