[INFO] fetching crate multistochgrad 0.1.5... [INFO] checking multistochgrad-0.1.5 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate multistochgrad 0.1.5 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate multistochgrad 0.1.5 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 crates.io crate multistochgrad 0.1.5 [INFO] finished tweaking crates.io crate multistochgrad 0.1.5 [INFO] tweaked toml for crates.io crate multistochgrad 0.1.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate multistochgrad 0.1.5 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] 96fe512d3ad202e44e1482934744b732867c4c9096ab286a6f7df3e0cdf1cd35 [INFO] running `Command { std: "docker" "start" "-a" "96fe512d3ad202e44e1482934744b732867c4c9096ab286a6f7df3e0cdf1cd35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96fe512d3ad202e44e1482934744b732867c4c9096ab286a6f7df3e0cdf1cd35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96fe512d3ad202e44e1482934744b732867c4c9096ab286a6f7df3e0cdf1cd35", kill_on_drop: false }` [INFO] [stdout] 96fe512d3ad202e44e1482934744b732867c4c9096ab286a6f7df3e0cdf1cd35 [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] 2abea85ae711400d509038fa75a8346150566666580a885c51beb222073a4521 [INFO] running `Command { std: "docker" "start" "-a" "2abea85ae711400d509038fa75a8346150566666580a885c51beb222073a4521", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking num-conv v0.1.0 [INFO] [stderr] Checking time-core v0.1.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Checking anstream v0.6.12 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling matrixmultiply v0.3.8 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking cpu-time v1.0.0 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xoshiro v0.6.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking rayon v1.8.1 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking ndarray v0.15.6 [INFO] [stderr] Checking env_filter v0.1.0 [INFO] [stderr] Checking env_logger v0.11.2 [INFO] [stderr] Checking multistochgrad v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `last_position` is never read [INFO] [stdout] --> src/monitor.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct IterationRes { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | pub last_position : Option>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [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/mnist.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 23 | let image_file = OpenOptions::new().read(true).open(&image_path)?; [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | let mut image_io = BufReader::new(image_file); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 25 | let images = read_image_file(&mut image_io); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 28 | let labels_file = OpenOptions::new().read(true).open(&label_path)?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | let mut labels_io = BufReader::new(labels_file); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | let labels = read_label_file(&mut labels_io); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 31 | Ok(MnistData{ [INFO] [stdout] | ____________^ [INFO] [stdout] 32 | | _image_filename : image_filename, [INFO] [stdout] 33 | | _label_filename : label_filename, [INFO] [stdout] 34 | | images, [INFO] [stdout] 35 | | labels [INFO] [stdout] 36 | | } ) [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] | | 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] | [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/monitor.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 46 | let p_step = if mode != SolMode::Last { Some(Vec::>::with_capacity(max_nb_iter))} [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 55 | last_position : None, [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `multistochgrad` (lib) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `last_position` is never read [INFO] [stdout] --> src/monitor.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct IterationRes { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 35 | pub last_position : Option>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [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/mnist.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 23 | let image_file = OpenOptions::new().read(true).open(&image_path)?; [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 24 | let mut image_io = BufReader::new(image_file); [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 25 | let images = read_image_file(&mut image_io); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 28 | let labels_file = OpenOptions::new().read(true).open(&label_path)?; [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 29 | let mut labels_io = BufReader::new(labels_file); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 30 | let labels = read_label_file(&mut labels_io); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 31 | Ok(MnistData{ [INFO] [stdout] | ____________^ [INFO] [stdout] 32 | | _image_filename : image_filename, [INFO] [stdout] 33 | | _label_filename : label_filename, [INFO] [stdout] 34 | | images, [INFO] [stdout] 35 | | labels [INFO] [stdout] 36 | | } ) [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] | | 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] | [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/monitor.rs:55:29 [INFO] [stdout] | [INFO] [stdout] 46 | let p_step = if mode != SolMode::Last { Some(Vec::>::with_capacity(max_nb_iter))} [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 55 | last_position : None, [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `multistochgrad` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "2abea85ae711400d509038fa75a8346150566666580a885c51beb222073a4521", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2abea85ae711400d509038fa75a8346150566666580a885c51beb222073a4521", kill_on_drop: false }` [INFO] [stdout] 2abea85ae711400d509038fa75a8346150566666580a885c51beb222073a4521