[INFO] cloning repository https://github.com/Ryo-sunken/kuramoto-oscillators [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ryo-sunken/kuramoto-oscillators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyo-sunken%2Fkuramoto-oscillators", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyo-sunken%2Fkuramoto-oscillators'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f03de0d6349647c0b8e8a6756fe4a23393b67fa1 [INFO] checking Ryo-sunken/kuramoto-oscillators/f03de0d6349647c0b8e8a6756fe4a23393b67fa1 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%2FRyo-sunken%2Fkuramoto-oscillators" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Ryo-sunken/kuramoto-oscillators 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/Ryo-sunken/kuramoto-oscillators [INFO] finished tweaking git repo https://github.com/Ryo-sunken/kuramoto-oscillators [INFO] tweaked toml for git repo https://github.com/Ryo-sunken/kuramoto-oscillators written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Ryo-sunken/kuramoto-oscillators 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b854683eda3ae6b0f9d8f2d1ae3d953f144aa888632a1e5fbaedaae3f42469f7 [INFO] running `Command { std: "docker" "start" "-a" "b854683eda3ae6b0f9d8f2d1ae3d953f144aa888632a1e5fbaedaae3f42469f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b854683eda3ae6b0f9d8f2d1ae3d953f144aa888632a1e5fbaedaae3f42469f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b854683eda3ae6b0f9d8f2d1ae3d953f144aa888632a1e5fbaedaae3f42469f7", kill_on_drop: false }` [INFO] [stdout] b854683eda3ae6b0f9d8f2d1ae3d953f144aa888632a1e5fbaedaae3f42469f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f28e907739eb06192b927d4adc11b81ac573d257d7cfe0e0ccfeb127b148507f [INFO] running `Command { std: "docker" "start" "-a" "f28e907739eb06192b927d4adc11b81ac573d257d7cfe0e0ccfeb127b148507f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling libm v0.2.8 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling serde v1.0.204 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling serde_json v1.0.120 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.72 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_distr v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.204 [INFO] [stderr] Checking matrix v0.1.0 (https://github.com/Ryo-sunken/matrix-rs.git#2a796292) [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking ode_solver v0.1.0 (https://github.com/Ryo-sunken/ode-solver.git#6079d589) [INFO] [stderr] Checking kuramoto_oscillators v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `EulerSolver` [INFO] [stdout] --> src/main.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use ode_solver::{EulerSolver, RungeKuttaSolver}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EulerSolver` [INFO] [stdout] --> src/main.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use ode_solver::{EulerSolver, RungeKuttaSolver}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p` [INFO] [stdout] --> src/param_generator.rs:16:49 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn watts_strogatz_model(n: usize, k: usize, p: f64, rng: &mut ChaCha8Rng) -> Matrix { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/param_generator.rs:16:57 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn watts_strogatz_model(n: usize, k: usize, p: f64, rng: &mut ChaCha8Rng) -> Matrix { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [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:22:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn read_dir>(path: P) -> io::Result> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | Ok(fs::read_dir(path)? [INFO] [stdout] | ________^ [INFO] [stdout] 23 | | .filter_map(|entry| { [INFO] [stdout] 24 | | let entry = entry.ok()?; [INFO] [stdout] 25 | | if entry.file_type().ok()?.is_file() { [INFO] [stdout] ... | [INFO] [stdout] 29 | | } [INFO] [stdout] 30 | | }) [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] warning: unused variable: `p` [INFO] [stdout] --> src/param_generator.rs:16:49 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn watts_strogatz_model(n: usize, k: usize, p: f64, rng: &mut ChaCha8Rng) -> Matrix { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_p` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/param_generator.rs:16:57 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn watts_strogatz_model(n: usize, k: usize, p: f64, rng: &mut ChaCha8Rng) -> Matrix { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kuramoto_oscillators` (bin "kuramoto_oscillators") due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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:22:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn read_dir>(path: P) -> io::Result> { [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 22 | Ok(fs::read_dir(path)? [INFO] [stdout] | ________^ [INFO] [stdout] 23 | | .filter_map(|entry| { [INFO] [stdout] 24 | | let entry = entry.ok()?; [INFO] [stdout] 25 | | if entry.file_type().ok()?.is_file() { [INFO] [stdout] ... | [INFO] [stdout] 29 | | } [INFO] [stdout] 30 | | }) [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] [stderr] error: could not compile `kuramoto_oscillators` (bin "kuramoto_oscillators" test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f28e907739eb06192b927d4adc11b81ac573d257d7cfe0e0ccfeb127b148507f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f28e907739eb06192b927d4adc11b81ac573d257d7cfe0e0ccfeb127b148507f", kill_on_drop: false }` [INFO] [stdout] f28e907739eb06192b927d4adc11b81ac573d257d7cfe0e0ccfeb127b148507f