[INFO] cloning repository https://github.com/cyqsimon/countdown-numbers-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cyqsimon/countdown-numbers-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyqsimon%2Fcountdown-numbers-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyqsimon%2Fcountdown-numbers-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 026a5cd6f019831188793ec679180063cb96f8a9 [INFO] checking cyqsimon/countdown-numbers-solver/026a5cd6f019831188793ec679180063cb96f8a9 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%2Fcyqsimon%2Fcountdown-numbers-solver" "/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/cyqsimon/countdown-numbers-solver 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/cyqsimon/countdown-numbers-solver [INFO] finished tweaking git repo https://github.com/cyqsimon/countdown-numbers-solver [INFO] tweaked toml for git repo https://github.com/cyqsimon/countdown-numbers-solver written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cyqsimon/countdown-numbers-solver 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb9dda901d48cb68481915c72e9ed6de2fd0bbf7e1064333f72de8a72c4245ae [INFO] running `Command { std: "docker" "start" "-a" "fb9dda901d48cb68481915c72e9ed6de2fd0bbf7e1064333f72de8a72c4245ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb9dda901d48cb68481915c72e9ed6de2fd0bbf7e1064333f72de8a72c4245ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb9dda901d48cb68481915c72e9ed6de2fd0bbf7e1064333f72de8a72c4245ae", kill_on_drop: false }` [INFO] [stdout] fb9dda901d48cb68481915c72e9ed6de2fd0bbf7e1064333f72de8a72c4245ae [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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47c4fb09c064ae2d577dbd6a272d9766176efe7258fa38167a1e7ce1eb574b5c [INFO] running `Command { std: "docker" "start" "-a" "47c4fb09c064ae2d577dbd6a272d9766176efe7258fa38167a1e7ce1eb574b5c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling clap_derive v3.0.6 [INFO] [stderr] Compiling strum_macros v0.23.1 [INFO] [stderr] Checking strum v0.23.0 [INFO] [stderr] Checking clap v3.0.9 [INFO] [stderr] Checking countdown-numbers-solver v0.1.0 (/opt/rustwide/workdir) [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:58:32 [INFO] [stdout] | [INFO] [stdout] 58 | .map(|seq| ExpBTree::try_from(seq).unwrap()) // calculated sequence is always valid [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/compute.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 132 | let mut self_outputs = HashSet::new(); [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 139 | let number_step_outputs = numbers [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 163 | let operation_step_outputs = Op::iter() [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 181 | / [self_outputs, number_step_outputs, operation_step_outputs] [INFO] [stdout] 182 | | .into_iter() [INFO] [stdout] 183 | | .reduce(|acc, set| acc.union(&set).cloned().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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [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:58:32 [INFO] [stdout] | [INFO] [stdout] 58 | .map(|seq| ExpBTree::try_from(seq).unwrap()) // calculated sequence is always valid [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/compute.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 132 | let mut self_outputs = HashSet::new(); [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 139 | let number_step_outputs = numbers [INFO] [stdout] | ------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 163 | let operation_step_outputs = Op::iter() [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 181 | / [self_outputs, number_step_outputs, operation_step_outputs] [INFO] [stdout] 182 | | .into_iter() [INFO] [stdout] 183 | | .reduce(|acc, set| acc.union(&set).cloned().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] [INFO] [stdout] [INFO] [stderr] error: could not compile `countdown-numbers-solver` (bin "countdown-numbers-solver") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `countdown-numbers-solver` (bin "countdown-numbers-solver" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "47c4fb09c064ae2d577dbd6a272d9766176efe7258fa38167a1e7ce1eb574b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47c4fb09c064ae2d577dbd6a272d9766176efe7258fa38167a1e7ce1eb574b5c", kill_on_drop: false }` [INFO] [stdout] 47c4fb09c064ae2d577dbd6a272d9766176efe7258fa38167a1e7ce1eb574b5c