[INFO] cloning repository https://github.com/stephenconnolly1/AoC2-day03 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephenconnolly1/AoC2-day03" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenconnolly1%2FAoC2-day03", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenconnolly1%2FAoC2-day03'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6548d366b85e5f296368622e8569877d5f90453c [INFO] checking stephenconnolly1/AoC2-day03 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenconnolly1%2FAoC2-day03" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stephenconnolly1/AoC2-day03 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stephenconnolly1/AoC2-day03 [INFO] finished tweaking git repo https://github.com/stephenconnolly1/AoC2-day03 [INFO] tweaked toml for git repo https://github.com/stephenconnolly1/AoC2-day03 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/stephenconnolly1/AoC2-day03 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 57aa86611ccb289b6c2570696c581f768e023049f264c6d4629d6f754f4df59c [INFO] running `Command { std: "docker" "start" "-a" "57aa86611ccb289b6c2570696c581f768e023049f264c6d4629d6f754f4df59c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57aa86611ccb289b6c2570696c581f768e023049f264c6d4629d6f754f4df59c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57aa86611ccb289b6c2570696c581f768e023049f264c6d4629d6f754f4df59c", kill_on_drop: false }` [INFO] [stdout] 57aa86611ccb289b6c2570696c581f768e023049f264c6d4629d6f754f4df59c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88ce8fa82c9ba980fa0d6aa5b2055b745ec360a279461325e00ff05830b060c4 [INFO] running `Command { std: "docker" "start" "-a" "88ce8fa82c9ba980fa0d6aa5b2055b745ec360a279461325e00ff05830b060c4", kill_on_drop: false }` [INFO] [stderr] Checking day03 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | if let Some(i) = group[1].find(c) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | if let Some(j) = group[2].find(c) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | if let Some(i) = group[1].find(c) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | if let Some(j) = group[2].find(c) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "88ce8fa82c9ba980fa0d6aa5b2055b745ec360a279461325e00ff05830b060c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88ce8fa82c9ba980fa0d6aa5b2055b745ec360a279461325e00ff05830b060c4", kill_on_drop: false }` [INFO] [stdout] 88ce8fa82c9ba980fa0d6aa5b2055b745ec360a279461325e00ff05830b060c4 [INFO] checking stephenconnolly1/AoC2-day03 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenconnolly1%2FAoC2-day03" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stephenconnolly1/AoC2-day03 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/stephenconnolly1/AoC2-day03 [INFO] finished tweaking git repo https://github.com/stephenconnolly1/AoC2-day03 [INFO] tweaked toml for git repo https://github.com/stephenconnolly1/AoC2-day03 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/stephenconnolly1/AoC2-day03 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9289a9912bdb28e94c638babebfb77bd671505e3c67c96830724713c830720ad [INFO] running `Command { std: "docker" "start" "-a" "9289a9912bdb28e94c638babebfb77bd671505e3c67c96830724713c830720ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9289a9912bdb28e94c638babebfb77bd671505e3c67c96830724713c830720ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9289a9912bdb28e94c638babebfb77bd671505e3c67c96830724713c830720ad", kill_on_drop: false }` [INFO] [stdout] 9289a9912bdb28e94c638babebfb77bd671505e3c67c96830724713c830720ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d366265e4f3d06f91eeaaa0cfec07d73f1b004b339271598fe68e4208ebb37c8 [INFO] running `Command { std: "docker" "start" "-a" "d366265e4f3d06f91eeaaa0cfec07d73f1b004b339271598fe68e4208ebb37c8", kill_on_drop: false }` [INFO] [stderr] Checking day03 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | if let Some(i) = group[1].find(c) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | if let Some(j) = group[2].find(c) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [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:11:8 [INFO] [stdout] | [INFO] [stdout] 8 | 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] 9 | where P: AsRef, { [INFO] [stdout] 10 | 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] 11 | 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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `day03` (bin "day03") due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | if let Some(i) = group[1].find(c) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `j` [INFO] [stdout] --> src/main.rs:71:25 [INFO] [stdout] | [INFO] [stdout] 71 | if let Some(j) = group[2].find(c) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_j` [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:11:8 [INFO] [stdout] | [INFO] [stdout] 8 | 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] 9 | where P: AsRef, { [INFO] [stdout] 10 | 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] 11 | 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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `day03` (bin "day03" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d366265e4f3d06f91eeaaa0cfec07d73f1b004b339271598fe68e4208ebb37c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d366265e4f3d06f91eeaaa0cfec07d73f1b004b339271598fe68e4208ebb37c8", kill_on_drop: false }` [INFO] [stdout] d366265e4f3d06f91eeaaa0cfec07d73f1b004b339271598fe68e4208ebb37c8