[INFO] fetching crate dns_common 0.2.1... [INFO] checking dns_common-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate dns_common 0.2.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate dns_common 0.2.1 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 dns_common 0.2.1 [INFO] finished tweaking crates.io crate dns_common 0.2.1 [INFO] tweaked toml for crates.io crate dns_common 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 53 packages to latest compatible versions [INFO] [stderr] Adding matchers v0.1.0 (latest: v0.2.0) [INFO] [stderr] Adding nu-ansi-term v0.46.0 (latest: v0.50.1) [INFO] [stderr] Adding regex-automata v0.1.10 (latest: v0.4.7) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.4) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [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] 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] 77c4108faf0355369999ec59d42f783418de59185adeaa5a27f8161f365575e9 [INFO] running `Command { std: "docker" "start" "-a" "77c4108faf0355369999ec59d42f783418de59185adeaa5a27f8161f365575e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77c4108faf0355369999ec59d42f783418de59185adeaa5a27f8161f365575e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77c4108faf0355369999ec59d42f783418de59185adeaa5a27f8161f365575e9", kill_on_drop: false }` [INFO] [stdout] 77c4108faf0355369999ec59d42f783418de59185adeaa5a27f8161f365575e9 [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] 1811a59cf31568d93dde5e04025fc0dfd8b928cab4bf9bcc13baf794be14af0b [INFO] running `Command { std: "docker" "start" "-a" "1811a59cf31568d93dde5e04025fc0dfd8b928cab4bf9bcc13baf794be14af0b", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking directories-next v2.0.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking dns_common v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/tracing.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use tracing_subscriber::{prelude::*, EnvFilter}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `prelude` [INFO] [stdout] --> src/tracing.rs:3:26 [INFO] [stdout] | [INFO] [stdout] 3 | use tracing_subscriber::{prelude::*, EnvFilter}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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/fs.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 39 | let file = open(filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | let lines = BufReader::new(file).lines(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 41 | Ok(lines.map(|x| x.expect("bad line"))) [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] | [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/system.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(config: C) -> Result { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | Ok(System { [INFO] [stdout] | ____________^ [INFO] [stdout] 14 | | config: Arc::new(config), [INFO] [stdout] 15 | | components: HashMap::new(), [INFO] [stdout] 16 | | type_ids: None, [INFO] [stdout] 17 | | }) [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 `dns_common` (lib) due to 3 previous errors; 1 warning 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/fs.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 39 | let file = open(filename)?; [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | let lines = BufReader::new(file).lines(); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 41 | Ok(lines.map(|x| x.expect("bad line"))) [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] | [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/system.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn new(config: C) -> Result { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 13 | Ok(System { [INFO] [stdout] | ____________^ [INFO] [stdout] 14 | | config: Arc::new(config), [INFO] [stdout] 15 | | components: HashMap::new(), [INFO] [stdout] 16 | | type_ids: None, [INFO] [stdout] 17 | | }) [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 `dns_common` (lib test) due to 3 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "1811a59cf31568d93dde5e04025fc0dfd8b928cab4bf9bcc13baf794be14af0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1811a59cf31568d93dde5e04025fc0dfd8b928cab4bf9bcc13baf794be14af0b", kill_on_drop: false }` [INFO] [stdout] 1811a59cf31568d93dde5e04025fc0dfd8b928cab4bf9bcc13baf794be14af0b