[INFO] fetching crate msg_store_server_api 0.1.1... [INFO] checking msg_store_server_api-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate msg_store_server_api 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate msg_store_server_api 0.1.1 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 msg_store_server_api 0.1.1 [INFO] finished tweaking crates.io crate msg_store_server_api 0.1.1 [INFO] tweaked toml for crates.io crate msg_store_server_api 0.1.1 written to /workspace/builds/worker-6-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] Locking 62 packages to latest compatible versions [INFO] [stderr] Adding db-key v0.0.5 (latest: v0.1.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding remove_dir_all v0.5.3 (latest: v0.8.3) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 37805c182fcd2c8414abac7cb8a95cc2635eaf1b9e1bdba7fd01efa8cf5fffcc [INFO] running `Command { std: "docker" "start" "-a" "37805c182fcd2c8414abac7cb8a95cc2635eaf1b9e1bdba7fd01efa8cf5fffcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "37805c182fcd2c8414abac7cb8a95cc2635eaf1b9e1bdba7fd01efa8cf5fffcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37805c182fcd2c8414abac7cb8a95cc2635eaf1b9e1bdba7fd01efa8cf5fffcc", kill_on_drop: false }` [INFO] [stdout] 37805c182fcd2c8414abac7cb8a95cc2635eaf1b9e1bdba7fd01efa8cf5fffcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5af745872f8972cac5a779a2018168a3452dc803fe4cfd120a301156513da8b1 [INFO] running `Command { std: "docker" "start" "-a" "5af745872f8972cac5a779a2018168a3452dc803fe4cfd120a301156513da8b1", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking msg_store_uuid v0.1.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking ffi-opaque v2.0.1 [INFO] [stderr] Checking db-key v0.0.5 [INFO] [stderr] Compiling cmake v0.1.51 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking msg-store v0.9.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling leveldb-sys v2.0.9 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking msg_store_database_plugin v0.1.0 [INFO] [stderr] Checking msg_store_database_in_memory_plugin v0.1.0 [INFO] [stderr] Checking leveldb v0.8.6 [INFO] [stderr] Checking msg_store_database_leveldb_plugin v0.1.0 [INFO] [stderr] Checking msg_store_server_api v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg/get.rs:116:25 [INFO] [stdout] | [INFO] [stdout] 116 | let mut body = self.as_mut().get_mut(); [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] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg/get.rs:128:25 [INFO] [stdout] | [INFO] [stdout] 128 | let mut body = self.as_mut().get_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg/get.rs:135:21 [INFO] [stdout] | [INFO] [stdout] 135 | let mut body = self.as_mut().get_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [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/lib.rs:144:19 [INFO] [stdout] | [INFO] [stdout] 142 | Err(err) => Err(config_error!(ConfigErrorTy::CouldNotReadFile, err)) [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 143 | }?; [INFO] [stdout] 144 | match from_json_str(&contents) { [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `msg_store_server_api` (lib) due to 2 previous errors; 3 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/msg/get.rs:116:25 [INFO] [stdout] | [INFO] [stdout] 116 | let mut body = self.as_mut().get_mut(); [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] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg/get.rs:128:25 [INFO] [stdout] | [INFO] [stdout] 128 | let mut body = self.as_mut().get_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/msg/get.rs:135:21 [INFO] [stdout] | [INFO] [stdout] 135 | let mut body = self.as_mut().get_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [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/lib.rs:144:19 [INFO] [stdout] | [INFO] [stdout] 142 | Err(err) => Err(config_error!(ConfigErrorTy::CouldNotReadFile, err)) [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 143 | }?; [INFO] [stdout] 144 | match from_json_str(&contents) { [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: aborting due to 1 previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `msg_store_server_api` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5af745872f8972cac5a779a2018168a3452dc803fe4cfd120a301156513da8b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5af745872f8972cac5a779a2018168a3452dc803fe4cfd120a301156513da8b1", kill_on_drop: false }` [INFO] [stdout] 5af745872f8972cac5a779a2018168a3452dc803fe4cfd120a301156513da8b1