[INFO] cloning repository https://github.com/martijnfolmer/SudokuCreator_Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martijnfolmer/SudokuCreator_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartijnfolmer%2FSudokuCreator_Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartijnfolmer%2FSudokuCreator_Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 98cc49ad5600722dffbfded9d13549a88afa777d [INFO] checking martijnfolmer/SudokuCreator_Rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartijnfolmer%2FSudokuCreator_Rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/martijnfolmer/SudokuCreator_Rust 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/martijnfolmer/SudokuCreator_Rust [INFO] finished tweaking git repo https://github.com/martijnfolmer/SudokuCreator_Rust [INFO] tweaked toml for git repo https://github.com/martijnfolmer/SudokuCreator_Rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/martijnfolmer/SudokuCreator_Rust 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num v0.4.1 [INFO] [stderr] Downloaded num-complex v0.4.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5eec54928c846f7812524234f88426eb1cf1dd6dcd27b66f8609a4bd3e3a917f [INFO] running `Command { std: "docker" "start" "-a" "5eec54928c846f7812524234f88426eb1cf1dd6dcd27b66f8609a4bd3e3a917f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5eec54928c846f7812524234f88426eb1cf1dd6dcd27b66f8609a4bd3e3a917f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eec54928c846f7812524234f88426eb1cf1dd6dcd27b66f8609a4bd3e3a917f", kill_on_drop: false }` [INFO] [stdout] 5eec54928c846f7812524234f88426eb1cf1dd6dcd27b66f8609a4bd3e3a917f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 903acc22351145b96b1cc561582622fedf17e8eab51f9edb8f71f44ee81cf135 [INFO] running `Command { std: "docker" "start" "-a" "903acc22351145b96b1cc561582622fedf17e8eab51f9edb8f71f44ee81cf135", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking sudoku_creator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `old_val` is never read [INFO] [stdout] --> src/main.rs:692:17 [INFO] [stdout] | [INFO] [stdout] 692 | let mut old_val = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `xco` is never read [INFO] [stdout] --> src/main.rs:693:17 [INFO] [stdout] | [INFO] [stdout] 693 | let mut xco = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `yco` is never read [INFO] [stdout] --> src/main.rs:694:17 [INFO] [stdout] | [INFO] [stdout] 694 | let mut yco = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `old_val` is never read [INFO] [stdout] --> src/main.rs:692:17 [INFO] [stdout] | [INFO] [stdout] 692 | let mut old_val = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `xco` is never read [INFO] [stdout] --> src/main.rs:693:17 [INFO] [stdout] | [INFO] [stdout] 693 | let mut xco = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `yco` is never read [INFO] [stdout] --> src/main.rs:694:17 [INFO] [stdout] | [INFO] [stdout] 694 | let mut yco = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s [INFO] running `Command { std: "docker" "inspect" "903acc22351145b96b1cc561582622fedf17e8eab51f9edb8f71f44ee81cf135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "903acc22351145b96b1cc561582622fedf17e8eab51f9edb8f71f44ee81cf135", kill_on_drop: false }` [INFO] [stdout] 903acc22351145b96b1cc561582622fedf17e8eab51f9edb8f71f44ee81cf135 [INFO] checking martijnfolmer/SudokuCreator_Rust 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%2Fmartijnfolmer%2FSudokuCreator_Rust" "/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/martijnfolmer/SudokuCreator_Rust 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/martijnfolmer/SudokuCreator_Rust [INFO] finished tweaking git repo https://github.com/martijnfolmer/SudokuCreator_Rust [INFO] tweaked toml for git repo https://github.com/martijnfolmer/SudokuCreator_Rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/martijnfolmer/SudokuCreator_Rust 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-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95ca7277eca328ff82db9c61620d5655416ec6b41d139d794882ad506d8855be [INFO] running `Command { std: "docker" "start" "-a" "95ca7277eca328ff82db9c61620d5655416ec6b41d139d794882ad506d8855be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95ca7277eca328ff82db9c61620d5655416ec6b41d139d794882ad506d8855be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95ca7277eca328ff82db9c61620d5655416ec6b41d139d794882ad506d8855be", kill_on_drop: false }` [INFO] [stdout] 95ca7277eca328ff82db9c61620d5655416ec6b41d139d794882ad506d8855be [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13d4c1704537f8be6d35459c5902c45ea6a97d57a99248fb523a5247ee323a2f [INFO] running `Command { std: "docker" "start" "-a" "13d4c1704537f8be6d35459c5902c45ea6a97d57a99248fb523a5247ee323a2f", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking num-complex v0.4.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Checking sudoku_creator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `old_val` is never read [INFO] [stdout] --> src/main.rs:692:17 [INFO] [stdout] | [INFO] [stdout] 692 | let mut old_val = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `xco` is never read [INFO] [stdout] --> src/main.rs:693:17 [INFO] [stdout] | [INFO] [stdout] 693 | let mut xco = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `yco` is never read [INFO] [stdout] --> src/main.rs:694:17 [INFO] [stdout] | [INFO] [stdout] 694 | let mut yco = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `old_val` is never read [INFO] [stdout] --> src/main.rs:692:17 [INFO] [stdout] | [INFO] [stdout] 692 | let mut old_val = 0; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `xco` is never read [INFO] [stdout] --> src/main.rs:693:17 [INFO] [stdout] | [INFO] [stdout] 693 | let mut xco = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `yco` is never read [INFO] [stdout] --> src/main.rs:694:17 [INFO] [stdout] | [INFO] [stdout] 694 | let mut yco = 0; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [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:441:5 [INFO] [stdout] | [INFO] [stdout] 430 | let set1: HashSet<_> = vec1.iter().cloned().collect(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 431 | let set2: HashSet<_> = vec2.iter().cloned().collect(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 432 | let set3: HashSet<_> = vec3.iter().cloned().collect(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 438 | let intersection_set = set1.intersection(&set2).cloned().collect::>() [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 441 | intersection_set.into_iter().collect() [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/main.rs:441:5 [INFO] [stdout] | [INFO] [stdout] 430 | let set1: HashSet<_> = vec1.iter().cloned().collect(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 431 | let set2: HashSet<_> = vec2.iter().cloned().collect(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 432 | let set3: HashSet<_> = vec3.iter().cloned().collect(); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 438 | let intersection_set = set1.intersection(&set2).cloned().collect::>() [INFO] [stdout] | ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 441 | intersection_set.into_iter().collect() [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; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `sudoku_creator` (bin "sudoku_creator") due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `sudoku_creator` (bin "sudoku_creator" test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "13d4c1704537f8be6d35459c5902c45ea6a97d57a99248fb523a5247ee323a2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13d4c1704537f8be6d35459c5902c45ea6a97d57a99248fb523a5247ee323a2f", kill_on_drop: false }` [INFO] [stdout] 13d4c1704537f8be6d35459c5902c45ea6a97d57a99248fb523a5247ee323a2f