[INFO] updating cached repository https://github.com/avasich/advent_of_code_2022 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e44e4979f54d24bca5b38e8676ce7cfd5f5670d4 [INFO] checking avasich/advent_of_code_2022/e44e4979f54d24bca5b38e8676ce7cfd5f5670d4 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%2Favasich%2Fadvent_of_code_2022" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/avasich/advent_of_code_2022 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/avasich/advent_of_code_2022 [INFO] finished tweaking git repo https://github.com/avasich/advent_of_code_2022 [INFO] tweaked toml for git repo https://github.com/avasich/advent_of_code_2022 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/avasich/advent_of_code_2022 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] eeee48e5c1a31ab754111bbd9fa140ba0e9d993270cbdf0963e7de1a6976688a [INFO] running `Command { std: "docker" "start" "-a" "eeee48e5c1a31ab754111bbd9fa140ba0e9d993270cbdf0963e7de1a6976688a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eeee48e5c1a31ab754111bbd9fa140ba0e9d993270cbdf0963e7de1a6976688a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eeee48e5c1a31ab754111bbd9fa140ba0e9d993270cbdf0963e7de1a6976688a", kill_on_drop: false }` [INFO] [stdout] eeee48e5c1a31ab754111bbd9fa140ba0e9d993270cbdf0963e7de1a6976688a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f685dc995f50fa4af544281e0b37195b08df465d6f00458c58170d98bc458f43 [INFO] running `Command { std: "docker" "start" "-a" "f685dc995f50fa4af544281e0b37195b08df465d6f00458c58170d98bc458f43", kill_on_drop: false }` [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking advent_of_code_2022 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `CrateMover9000` is never constructed [INFO] [stdout] --> src/day_05_supply_stacks.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct CrateMover9000; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CrateMover9001` is never constructed [INFO] [stdout] --> src/day_05_supply_stacks.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | struct CrateMover9001; [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/day_03_rucksack_reorganization.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 31 | .flat_map(|chunk| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 32 | / chunk [INFO] [stdout] 33 | | .map(|s| HashSet::<_>::from_iter(s.chars())) [INFO] [stdout] 34 | | .reduce(|a, b| &a & &b) [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/day_06_tuning_trouble.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | fn count_unique<'a>(xs: impl Iterator) -> usize { [INFO] [stdout] | ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | HashSet::<_>::from_iter(xs).len() [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/day_11_monkey_in_the_middle.rs:117:28 [INFO] [stdout] | [INFO] [stdout] 113 | .map(|mut chunk| { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 117 | operation: parse_operation(chunk.next().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] [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/utils.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn read_lines

(filename: P) -> impl Iterator [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 10 | let file = File::open(filename).expect("error reading file"); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | io::BufReader::new(file).lines().map(Result::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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `advent_of_code_2022` (lib) due to 5 previous errors; 2 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/day_03_rucksack_reorganization.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 31 | .flat_map(|chunk| { [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 32 | / chunk [INFO] [stdout] 33 | | .map(|s| HashSet::<_>::from_iter(s.chars())) [INFO] [stdout] 34 | | .reduce(|a, b| &a & &b) [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/day_06_tuning_trouble.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | fn count_unique<'a>(xs: impl Iterator) -> usize { [INFO] [stdout] | ---------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 6 | HashSet::<_>::from_iter(xs).len() [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/day_11_monkey_in_the_middle.rs:117:28 [INFO] [stdout] | [INFO] [stdout] 113 | .map(|mut chunk| { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 117 | operation: parse_operation(chunk.next().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] [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/utils.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn read_lines

(filename: P) -> impl Iterator [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 10 | let file = File::open(filename).expect("error reading file"); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 11 | io::BufReader::new(file).lines().map(Result::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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `advent_of_code_2022` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "f685dc995f50fa4af544281e0b37195b08df465d6f00458c58170d98bc458f43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f685dc995f50fa4af544281e0b37195b08df465d6f00458c58170d98bc458f43", kill_on_drop: false }` [INFO] [stdout] f685dc995f50fa4af544281e0b37195b08df465d6f00458c58170d98bc458f43