[INFO] fetching crate mqtt-reeze 0.2.0... [INFO] checking mqtt-reeze-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mqtt-reeze 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate mqtt-reeze 0.2.0 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 mqtt-reeze 0.2.0 [INFO] finished tweaking crates.io crate mqtt-reeze 0.2.0 [INFO] tweaked toml for crates.io crate mqtt-reeze 0.2.0 written to /workspace/builds/worker-1-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] Updating crates.io index [INFO] [stderr] Locking 75 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding core-foundation v0.9.4 (latest: v0.10.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding rustls v0.22.4 (latest: v0.23.12) [INFO] [stderr] Adding rustls-native-certs v0.7.3 (latest: v0.8.0) [INFO] [stderr] Adding tokio-rustls v0.25.0 (latest: v0.26.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 27ae80aae36e63c8e544c66a6b74998d5ce57775294dcc61541200b1de2bf6d8 [INFO] running `Command { std: "docker" "start" "-a" "27ae80aae36e63c8e544c66a6b74998d5ce57775294dcc61541200b1de2bf6d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27ae80aae36e63c8e544c66a6b74998d5ce57775294dcc61541200b1de2bf6d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27ae80aae36e63c8e544c66a6b74998d5ce57775294dcc61541200b1de2bf6d8", kill_on_drop: false }` [INFO] [stdout] 27ae80aae36e63c8e544c66a6b74998d5ce57775294dcc61541200b1de2bf6d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 37d8ae83e6c4035ef624e3c4f77ac0e3dbcb5692f2509c9622696de1d0ea1571 [INFO] running `Command { std: "docker" "start" "-a" "37d8ae83e6c4035ef624e3c4f77ac0e3dbcb5692f2509c9622696de1d0ea1571", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking rustls-pki-types v1.8.0 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Compiling rustls v0.22.4 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking base64 v0.22.1 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking rustls-pemfile v2.1.3 [INFO] [stderr] Checking rustls-native-certs v0.7.3 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking rustls-webpki v0.102.7 [INFO] [stderr] Checking tokio-rustls v0.25.0 [INFO] [stderr] Checking rumqttc v0.24.0 [INFO] [stderr] Checking mqtt-reeze v0.2.0 (/opt/rustwide/workdir) [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:40:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(opts: MqttOptions, buffer_size: usize) -> Result { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | let (client, loop_handle) = rumqttc::AsyncClient::new(opts, buffer_size); [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] 39 | let loop_handle = tokio::spawn(log_for_loop(loop_handle)); [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 41 | | client, [INFO] [stdout] 42 | | loop_handle, [INFO] [stdout] 43 | | }) [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/lib.rs:100:11 [INFO] [stdout] | [INFO] [stdout] 96 | fn env_parse_or(name: &'static str, default: T) -> Result [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | match env_var(name) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt-reeze` (lib) due to 3 previous errors [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/lib.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn new(opts: MqttOptions, buffer_size: usize) -> Result { [INFO] [stdout] | ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 38 | let (client, loop_handle) = rumqttc::AsyncClient::new(opts, buffer_size); [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] 39 | let loop_handle = tokio::spawn(log_for_loop(loop_handle)); [INFO] [stdout] | ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | Ok(Self { [INFO] [stdout] | ____________^ [INFO] [stdout] 41 | | client, [INFO] [stdout] 42 | | loop_handle, [INFO] [stdout] 43 | | }) [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/lib.rs:100:11 [INFO] [stdout] | [INFO] [stdout] 96 | fn env_parse_or(name: &'static str, default: T) -> Result [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 100 | match env_var(name) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mqtt-reeze` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "37d8ae83e6c4035ef624e3c4f77ac0e3dbcb5692f2509c9622696de1d0ea1571", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37d8ae83e6c4035ef624e3c4f77ac0e3dbcb5692f2509c9622696de1d0ea1571", kill_on_drop: false }` [INFO] [stdout] 37d8ae83e6c4035ef624e3c4f77ac0e3dbcb5692f2509c9622696de1d0ea1571