[INFO] cloning repository https://github.com/basalt-rps/basalt-sim [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/basalt-rps/basalt-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasalt-rps%2Fbasalt-sim", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasalt-rps%2Fbasalt-sim'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da1aedc001b30a1addecfae268bcee99e939049b [INFO] checking basalt-rps/basalt-sim/da1aedc001b30a1addecfae268bcee99e939049b 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%2Fbasalt-rps%2Fbasalt-sim" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/basalt-rps/basalt-sim 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/basalt-rps/basalt-sim [INFO] finished tweaking git repo https://github.com/basalt-rps/basalt-sim [INFO] tweaked toml for git repo https://github.com/basalt-rps/basalt-sim written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/basalt-rps/basalt-sim 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4817adb3b35eabde109cfcb4238ebf6944fae90deb0088a012ca04f933f886a4 [INFO] running `Command { std: "docker" "start" "-a" "4817adb3b35eabde109cfcb4238ebf6944fae90deb0088a012ca04f933f886a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4817adb3b35eabde109cfcb4238ebf6944fae90deb0088a012ca04f933f886a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4817adb3b35eabde109cfcb4238ebf6944fae90deb0088a012ca04f933f886a4", kill_on_drop: false }` [INFO] [stdout] 4817adb3b35eabde109cfcb4238ebf6944fae90deb0088a012ca04f933f886a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 28786c1b3b16a8f01119f58fb8bb4aa9abba2172635263369f6c3ab070c026e6 [INFO] running `Command { std: "docker" "start" "-a" "28786c1b3b16a8f01119f58fb8bb4aa9abba2172635263369f6c3ab070c026e6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking crossbeam-utils v0.7.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking seahash v3.0.6 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Compiling fasthash-sys v0.3.2 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking xoroshiro128 v0.3.0 [INFO] [stderr] Compiling syn-mid v0.4.0 [INFO] [stderr] Compiling rustversion v1.0.1 [INFO] [stderr] Compiling proc-macro-error v0.4.4 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.3 [INFO] [stderr] Compiling structopt-derive v0.4.0 [INFO] [stderr] Checking fasthash v0.4.0 [INFO] [stderr] Checking structopt v0.3.7 [INFO] [stderr] Checking basalt-sim v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `iteration` is never read [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | iteration: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/net.rs:155:56 [INFO] [stdout] | [INFO] [stdout] 155 | .map(|x| std::mem::replace(&mut x.metrics, A::Metrics::empty())) [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/app/avalanche.rs:206:27 [INFO] [stdout] | [INFO] [stdout] 205 | fn send(&mut self, to: PeerRef, msg: T::Msg) { [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 206 | self.net.send(to, Msg::RPSMsg(msg)) [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 `basalt-sim` (bin "basalt-sim" test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `iteration` is never read [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Opt { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 18 | iteration: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/net.rs:155:56 [INFO] [stdout] | [INFO] [stdout] 155 | .map(|x| std::mem::replace(&mut x.metrics, A::Metrics::empty())) [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/app/avalanche.rs:206:27 [INFO] [stdout] | [INFO] [stdout] 205 | fn send(&mut self, to: PeerRef, msg: T::Msg) { [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 206 | self.net.send(to, Msg::RPSMsg(msg)) [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 `basalt-sim` (bin "basalt-sim") due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "28786c1b3b16a8f01119f58fb8bb4aa9abba2172635263369f6c3ab070c026e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28786c1b3b16a8f01119f58fb8bb4aa9abba2172635263369f6c3ab070c026e6", kill_on_drop: false }` [INFO] [stdout] 28786c1b3b16a8f01119f58fb8bb4aa9abba2172635263369f6c3ab070c026e6