[INFO] fetching crate plumcast 0.1.5... [INFO] checking plumcast-0.1.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate plumcast 0.1.5 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate plumcast 0.1.5 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate plumcast 0.1.5 [INFO] finished tweaking crates.io crate plumcast 0.1.5 [INFO] tweaked toml for crates.io crate plumcast 0.1.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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 146 packages to latest compatible versions [INFO] [stderr] Adding autocfg v0.1.8 (available: v1.3.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding crossbeam v0.2.12 (available: v0.8.4) [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.30) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding libflate v0.1.27 (available: v2.1.0) [INFO] [stderr] Adding log v0.3.9 (available: v0.4.22) [INFO] [stderr] Adding mio v0.6.23 (available: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (available: v0.6.0) [INFO] [stderr] Adding nom v2.2.1 (available: v7.1.3) [INFO] [stderr] Adding rand v0.6.5 (available: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (available: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (available: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (available: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (available: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (available: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding rustc_version v0.2.3 (available: v0.4.1) [INFO] [stderr] Adding semver v0.9.0 (available: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (available: v0.10.2) [INFO] [stderr] Adding slog-stdlog v3.0.5 (available: v4.1.1) [INFO] [stderr] Adding sloggers v0.3.6 (available: v2.2.0) [INFO] [stderr] Adding splay_tree v0.2.10 (available: v0.3.1) [INFO] [stderr] Adding strsim v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding term v0.7.0 (available: v1.0.0) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding trackable v0.2.24 (available: v1.3.0) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding winapi v0.2.8 (available: v0.3.9) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fed670a70777b3a9cb34d195adb69c6d74bf8122fbf8a8f3e3a45d4a4ed095f [INFO] running `Command { std: "docker" "start" "-a" "9fed670a70777b3a9cb34d195adb69c6d74bf8122fbf8a8f3e3a45d4a4ed095f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fed670a70777b3a9cb34d195adb69c6d74bf8122fbf8a8f3e3a45d4a4ed095f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fed670a70777b3a9cb34d195adb69c6d74bf8122fbf8a8f3e3a45d4a4ed095f", kill_on_drop: false }` [INFO] [stdout] 9fed670a70777b3a9cb34d195adb69c6d74bf8122fbf8a8f3e3a45d4a4ed095f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a0086f115e932a72cf78ef81b6aa307a0ce5f7cc667a7007c0ae0472f5c877a [INFO] running `Command { std: "docker" "start" "-a" "6a0086f115e932a72cf78ef81b6aa307a0ce5f7cc667a7007c0ae0472f5c877a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking nbchan v0.1.3 [INFO] [stderr] Checking splay_tree v0.2.10 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking atomic_immut v0.1.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking rle-decode-fast v1.0.3 [INFO] [stderr] Checking factory v0.1.2 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking plumtree v0.1.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking libflate v0.1.27 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking slog-stdlog v3.0.5 [INFO] [stderr] Checking fibers v0.1.13 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking fibers_global v0.1.2 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking hyparview v0.1.3 [INFO] [stderr] Checking slog-term v2.9.1 [INFO] [stderr] Compiling trackable_derive v1.0.0 [INFO] [stderr] Checking trackable v1.3.0 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking trackable v0.2.24 [INFO] [stderr] Checking prometrics v0.1.13 [INFO] [stderr] Checking bytecodec v0.4.15 [INFO] [stderr] Checking slog-kvfilter v0.7.0 [INFO] [stderr] Checking tasque v0.1.5 [INFO] [stderr] Checking fibers_tasque v0.1.2 [INFO] [stderr] Checking fibers_rpc v0.3.4 [INFO] [stderr] Checking plumcast v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `derive_traits_for_trackable_error_newtype`: please use `#[derive(TrackableError)]` instead [INFO] [stdout] --> src/error.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | derive_traits_for_trackable_error_newtype!(Error, ErrorKind); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/node_id_generator.rs:18:47 [INFO] [stdout] | [INFO] [stdout] 18 | pub(crate) struct ArcLocalNodeIdGenerator(Arc); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | pub(crate) struct ArcLocalNodeIdGenerator(Arc); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/misc.rs:13:18 [INFO] [stdout] | [INFO] [stdout] 13 | type ArcFn = Arc + Send>) + Send + Sync + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | type ArcFn = Arc + Send>) + Send + Sync + 'static>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/misc.rs:13:25 [INFO] [stdout] | [INFO] [stdout] 13 | type ArcFn = Arc + Send>) + Send + Sync + 'static>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 13 | type ArcFn = Arc + Send>) + Send + Sync + 'static>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/misc.rs:29:38 [INFO] [stdout] | [INFO] [stdout] 29 | fn spawn_boxed(&self, fiber: Box + Send>) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 29 | fn spawn_boxed(&self, fiber: Box + Send>) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `CounterBuilder` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/metrics.rs:37:31 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) fn new(mut builder: MetricBuilder) -> Self { [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 37 | registered_nodes: builder [INFO] [stdout] | _______________________________^ [INFO] [stdout] 38 | | .counter("registered_nodes_total") [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: this value of type `CounterBuilder` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/metrics.rs:132:35 [INFO] [stdout] | [INFO] [stdout] 129 | pub(crate) fn new(mut builder: MetricBuilder) -> Self { [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 132 | broadcasted_messages: builder [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 133 | | .counter("broadcasted_messages_total") [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] warning: struct `MessagePayloadDecoder` is never constructed [INFO] [stdout] --> src/codec/plumtree.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | struct MessagePayloadDecoder { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessagePayloadDecoder` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MessagePayloadEncoder` is never constructed [INFO] [stdout] --> src/codec/plumtree.rs:373:8 [INFO] [stdout] | [INFO] [stdout] 373 | struct MessagePayloadEncoder { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MessagePayloadEncoder` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `plumcast` (lib) due to 3 previous errors; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6a0086f115e932a72cf78ef81b6aa307a0ce5f7cc667a7007c0ae0472f5c877a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a0086f115e932a72cf78ef81b6aa307a0ce5f7cc667a7007c0ae0472f5c877a", kill_on_drop: false }` [INFO] [stdout] 6a0086f115e932a72cf78ef81b6aa307a0ce5f7cc667a7007c0ae0472f5c877a