[INFO] fetching crate fibers_http_server 0.3.0... [INFO] checking fibers_http_server-0.3.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate fibers_http_server 0.3.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate fibers_http_server 0.3.0 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 fibers_http_server 0.3.0 [INFO] finished tweaking crates.io crate fibers_http_server 0.3.0 [INFO] tweaked toml for crates.io crate fibers_http_server 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate fibers_http_server 0.3.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] 42c393efbea8fa29b8d487a33e2b6b898d66d20d55099426771cf79004ef115e [INFO] running `Command { std: "docker" "start" "-a" "42c393efbea8fa29b8d487a33e2b6b898d66d20d55099426771cf79004ef115e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42c393efbea8fa29b8d487a33e2b6b898d66d20d55099426771cf79004ef115e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42c393efbea8fa29b8d487a33e2b6b898d66d20d55099426771cf79004ef115e", kill_on_drop: false }` [INFO] [stdout] 42c393efbea8fa29b8d487a33e2b6b898d66d20d55099426771cf79004ef115e [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] d6853d6bb1a2cee6ed4af4509b7d77dd959e470e24ab09b3484fa3fd71c30a1f [INFO] running `Command { std: "docker" "start" "-a" "d6853d6bb1a2cee6ed4af4509b7d77dd959e470e24ab09b3484fa3fd71c30a1f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking writeable v0.5.5 [INFO] [stderr] Checking litemap v0.7.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking icu_locid_transform_data v1.5.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking icu_properties_data v1.5.0 [INFO] [stderr] Checking zerocopy v0.7.34 [INFO] [stderr] Checking utf16_iter v1.0.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking allocator-api2 v0.2.18 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking write16 v1.0.0 [INFO] [stderr] Compiling procinfo v0.4.2 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Checking icu_normalizer_data v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking core2 v0.4.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Checking splay_tree v0.2.10 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking rle-decode-fast v1.0.3 [INFO] [stderr] Checking nom v2.2.1 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Checking nbchan v0.1.3 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking libflate_lz77 v2.1.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking fibers v0.1.13 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking atomic_immut v0.1.4 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking dary_heap v0.3.6 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking libflate v2.1.0 [INFO] [stderr] Checking slog-stdlog v4.1.1 [INFO] [stderr] Checking factory v0.1.2 [INFO] [stderr] Checking fibers_global v0.1.2 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Compiling trackable_derive v1.0.0 [INFO] [stderr] Checking slog-term v2.9.1 [INFO] [stderr] Checking trackable v1.3.0 [INFO] [stderr] Checking trackable v0.2.24 [INFO] [stderr] Checking bytecodec v0.4.15 [INFO] [stderr] Checking prometrics v0.1.13 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking httpcodec v0.2.3 [INFO] [stderr] Checking slog-kvfilter v0.7.0 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling zerofrom-derive v0.1.4 [INFO] [stderr] Compiling yoke-derive v0.7.4 [INFO] [stderr] Compiling zerovec-derive v0.10.2 [INFO] [stderr] Compiling displaydoc v0.2.4 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Checking zerofrom v0.1.4 [INFO] [stderr] Checking yoke v0.7.4 [INFO] [stderr] Checking zerovec v0.10.2 [INFO] [stderr] Checking tinystr v0.7.6 [INFO] [stderr] Checking icu_collections v1.5.0 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking icu_properties v1.5.0 [INFO] [stderr] Checking sloggers v2.2.0 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking idna v1.0.0 [INFO] [stderr] Checking url v2.5.1 [INFO] [stderr] Checking fibers_http_server v0.3.0 (/opt/rustwide/workdir) [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:93:36 [INFO] [stdout] | [INFO] [stdout] 90 | 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] 93 | connected_tcp_clients: builder [INFO] [stdout] | ____________________________________^ [INFO] [stdout] 94 | | .counter("connected_tcp_clients_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 `std::result::Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/connection.rs:107:15 [INFO] [stdout] | [INFO] [stdout] 107 | match self.dispatcher.dispatch(&head) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | Ok(mut handler) => match track!(handler.init(head)) { [INFO] [stdout] | -------------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may 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] [INFO] [stdout] [INFO] [stdout] error: this value of type `Async` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/connection.rs:145:44 [INFO] [stdout] | [INFO] [stdout] 144 | fn poll_reply(&mut self, mut reply: BoxReply) -> Phase { [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 145 | if let Async::Ready(res_encoder) = reply.poll().expect("Never fails") { [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: 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:93:36 [INFO] [stdout] | [INFO] [stdout] 90 | 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] 93 | connected_tcp_clients: builder [INFO] [stdout] | ____________________________________^ [INFO] [stdout] 94 | | .counter("connected_tcp_clients_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 `std::result::Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/connection.rs:107:15 [INFO] [stdout] | [INFO] [stdout] 107 | match self.dispatcher.dispatch(&head) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 113 | Ok(mut handler) => match track!(handler.init(head)) { [INFO] [stdout] | -------------------------- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may 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] [INFO] [stdout] [INFO] [stdout] error: this value of type `Async` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/connection.rs:145:44 [INFO] [stdout] | [INFO] [stdout] 144 | fn poll_reply(&mut self, mut reply: BoxReply) -> Phase { [INFO] [stdout] | --------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 145 | if let Async::Ready(res_encoder) = reply.poll().expect("Never fails") { [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fibers_http_server` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fibers_http_server` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "d6853d6bb1a2cee6ed4af4509b7d77dd959e470e24ab09b3484fa3fd71c30a1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6853d6bb1a2cee6ed4af4509b7d77dd959e470e24ab09b3484fa3fd71c30a1f", kill_on_drop: false }` [INFO] [stdout] d6853d6bb1a2cee6ed4af4509b7d77dd959e470e24ab09b3484fa3fd71c30a1f