[INFO] fetching crate ensicoin-simon 0.1.0... [INFO] checking ensicoin-simon-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate ensicoin-simon 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate ensicoin-simon 0.1.0 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 ensicoin-simon 0.1.0 [INFO] finished tweaking crates.io crate ensicoin-simon 0.1.0 [INFO] tweaked toml for crates.io crate ensicoin-simon 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate ensicoin-simon 0.1.0 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d27ba04ad4cfc1c0dad10d083dde5799a73e9094d2c924de26c066de59ff244 [INFO] running `Command { std: "docker" "start" "-a" "0d27ba04ad4cfc1c0dad10d083dde5799a73e9094d2c924de26c066de59ff244", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d27ba04ad4cfc1c0dad10d083dde5799a73e9094d2c924de26c066de59ff244", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d27ba04ad4cfc1c0dad10d083dde5799a73e9094d2c924de26c066de59ff244", kill_on_drop: false }` [INFO] [stdout] 0d27ba04ad4cfc1c0dad10d083dde5799a73e9094d2c924de26c066de59ff244 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76cf0e77f8e8988e7a54473f5236e9ae3536aefc114d4d52e3393e90d9a6ed9f [INFO] running `Command { std: "docker" "start" "-a" "76cf0e77f8e8988e7a54473f5236e9ae3536aefc114d4d52e3393e90d9a6ed9f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling syn v0.15.44 [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 slab v0.4.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter 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futures-cpupool v0.1.8 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking tower-http-util v0.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking ensicoin_serializer v2.0.9 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking ripemd160 v0.8.0 [INFO] [stderr] Checking tower-request-modifier v0.1.0 [INFO] [stderr] Checking simplelog v0.7.1 [INFO] [stderr] Compiling prost v0.5.0 [INFO] [stderr] Checking tower-grpc v0.1.0 [INFO] [stderr] Compiling ensicoin_serializer_derive v0.2.7 [INFO] [stderr] Compiling prost-types v0.5.0 [INFO] [stderr] Checking ensicoin_messages v0.7.4 [INFO] [stderr] Checking tower-hyper v0.1.1 [INFO] [stderr] Compiling tower-grpc-build v0.1.0 [INFO] [stderr] Compiling ensicoin-simon v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:396:31 [INFO] [stdout] | [INFO] [stdout] 396 | .map(|mut block| block.header.nonce = nonce); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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/main.rs:114:21 [INFO] [stdout] | [INFO] [stdout] 111 | .and_then(|mut client| { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 114 | / client [INFO] [stdout] 115 | | .get_block_template(Request::new(GetBlockTemplateRequest {})) [INFO] [stdout] 116 | | .map_err(|e| panic!("gRPC request failed: {}", e)) [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/main.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 111 | .and_then(|mut client| { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 117 | .map(move |response| (client, response)) [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: 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:150:21 [INFO] [stdout] | [INFO] [stdout] 119 | .and_then(|(mut client, response)| { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 120 | let (blocks_sender, blocks_receiver) = mpsc::channel(5); [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 121 | let (results_sender, results_receiver) = mpsc::channel(5); [INFO] [stdout] | -------------- ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 148 | let inbound = response.into_inner(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 149 | [INFO] [stdout] 150 | / inbound [INFO] [stdout] 151 | | .for_each(move |reply| { [INFO] [stdout] 152 | | if let Some(bt) = reply.block_template { [INFO] [stdout] 153 | | let version = 0; [INFO] [stdout] ... | [INFO] [stdout] 196 | | Ok(()) [INFO] [stdout] 197 | | }) [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: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/main.rs:251:9 [INFO] [stdout] | [INFO] [stdout] 251 | resources.split_off(resources.len() / 2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 251 | let _ = resources.split_off(resources.len() / 2); [INFO] [stdout] | +++++++ [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] --> /opt/rustwide/target/debug/build/ensicoin-simon-8830d57908a64941/out/ensicoin_rpc.rs:193:34 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn ready(self) -> impl futures::Future [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 193 | futures::Future::map(self.inner.ready(), |inner| Self { inner }) [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 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ensicoin-simon` (bin "ensicoin-simon") due to 5 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:396:31 [INFO] [stdout] | [INFO] [stdout] 396 | .map(|mut block| block.header.nonce = nonce); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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/main.rs:114:21 [INFO] [stdout] | [INFO] [stdout] 111 | .and_then(|mut client| { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 114 | / client [INFO] [stdout] 115 | | .get_block_template(Request::new(GetBlockTemplateRequest {})) [INFO] [stdout] 116 | | .map_err(|e| panic!("gRPC request failed: {}", e)) [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/main.rs:117:30 [INFO] [stdout] | [INFO] [stdout] 111 | .and_then(|mut client| { [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 117 | .map(move |response| (client, response)) [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: 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:150:21 [INFO] [stdout] | [INFO] [stdout] 119 | .and_then(|(mut client, response)| { [INFO] [stdout] | ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 120 | let (blocks_sender, blocks_receiver) = mpsc::channel(5); [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 121 | let (results_sender, results_receiver) = mpsc::channel(5); [INFO] [stdout] | -------------- ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 148 | let inbound = response.into_inner(); [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 149 | [INFO] [stdout] 150 | / inbound [INFO] [stdout] 151 | | .for_each(move |reply| { [INFO] [stdout] 152 | | if let Some(bt) = reply.block_template { [INFO] [stdout] 153 | | let version = 0; [INFO] [stdout] ... | [INFO] [stdout] 196 | | Ok(()) [INFO] [stdout] 197 | | }) [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: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/main.rs:251:9 [INFO] [stdout] | [INFO] [stdout] 251 | resources.split_off(resources.len() / 2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 251 | let _ = resources.split_off(resources.len() / 2); [INFO] [stdout] | +++++++ [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] --> /opt/rustwide/target/debug/build/ensicoin-simon-8830d57908a64941/out/ensicoin_rpc.rs:193:34 [INFO] [stdout] | [INFO] [stdout] 190 | pub fn ready(self) -> impl futures::Future [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 193 | futures::Future::map(self.inner.ready(), |inner| Self { inner }) [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 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ensicoin-simon` (bin "ensicoin-simon" test) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "76cf0e77f8e8988e7a54473f5236e9ae3536aefc114d4d52e3393e90d9a6ed9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76cf0e77f8e8988e7a54473f5236e9ae3536aefc114d4d52e3393e90d9a6ed9f", kill_on_drop: false }` [INFO] [stdout] 76cf0e77f8e8988e7a54473f5236e9ae3536aefc114d4d52e3393e90d9a6ed9f