[INFO] cloning repository https://github.com/cptchuckles/adventofcode2022 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cptchuckles/adventofcode2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcptchuckles%2Fadventofcode2022", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcptchuckles%2Fadventofcode2022'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cb9b51547070de55673cec55dc5bd45a4b6e324d [INFO] checking cptchuckles/adventofcode2022/cb9b51547070de55673cec55dc5bd45a4b6e324d 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%2Fcptchuckles%2Fadventofcode2022" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cptchuckles/adventofcode2022 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/cptchuckles/adventofcode2022 [INFO] finished tweaking git repo https://github.com/cptchuckles/adventofcode2022 [INFO] tweaked toml for git repo https://github.com/cptchuckles/adventofcode2022 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cptchuckles/adventofcode2022 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fb5bc3b14d180ad4acdb8c6be01ac13958735f651a78ecfa54520a919a9e06bf [INFO] running `Command { std: "docker" "start" "-a" "fb5bc3b14d180ad4acdb8c6be01ac13958735f651a78ecfa54520a919a9e06bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb5bc3b14d180ad4acdb8c6be01ac13958735f651a78ecfa54520a919a9e06bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb5bc3b14d180ad4acdb8c6be01ac13958735f651a78ecfa54520a919a9e06bf", kill_on_drop: false }` [INFO] [stdout] fb5bc3b14d180ad4acdb8c6be01ac13958735f651a78ecfa54520a919a9e06bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2e337c85671d2caea669cea31a34ea7bca1f0d9f81ab97a2b31779ec8457810b [INFO] running `Command { std: "docker" "start" "-a" "2e337c85671d2caea669cea31a34ea7bca1f0d9f81ab97a2b31779ec8457810b", kill_on_drop: false }` [INFO] [stderr] Checking main v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `parent` is never read [INFO] [stdout] --> src/day12/terrain.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 3 | pub pos: (usize, usize), [INFO] [stdout] 4 | pub parent: Option<(usize, usize)>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parent` is never read [INFO] [stdout] --> src/day12/terrain.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Node { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 3 | pub pos: (usize, usize), [INFO] [stdout] 4 | pub parent: Option<(usize, usize)>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Node` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [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/start_day.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 4 | fn read_lines

(filename: P) -> Vec [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 8 | std::fs::read_to_string(&filename) [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/start_day.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 4 | fn read_lines

(filename: P) -> Vec [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 8 | std::fs::read_to_string(&filename) [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `main` (bin "main") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `main` (bin "main" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "2e337c85671d2caea669cea31a34ea7bca1f0d9f81ab97a2b31779ec8457810b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e337c85671d2caea669cea31a34ea7bca1f0d9f81ab97a2b31779ec8457810b", kill_on_drop: false }` [INFO] [stdout] 2e337c85671d2caea669cea31a34ea7bca1f0d9f81ab97a2b31779ec8457810b