[INFO] fetching crate lettre 0.11.9... [INFO] checking lettre-0.11.9 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate lettre 0.11.9 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate lettre 0.11.9 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lettre 0.11.9 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate lettre 0.11.9 [INFO] tweaked toml for crates.io crate lettre 0.11.9 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate lettre 0.11.9 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e26788fb2d8b1413a35d228b02ae2944423a16cf120bd57252da70631799e52d [INFO] running `Command { std: "docker" "start" "-a" "e26788fb2d8b1413a35d228b02ae2944423a16cf120bd57252da70631799e52d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e26788fb2d8b1413a35d228b02ae2944423a16cf120bd57252da70631799e52d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e26788fb2d8b1413a35d228b02ae2944423a16cf120bd57252da70631799e52d", kill_on_drop: false }` [INFO] [stdout] e26788fb2d8b1413a35d228b02ae2944423a16cf120bd57252da70631799e52d [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d92081cf00602b568dc2156a907b2f2628f3f518873295d150974dd978cb389 [INFO] running `Command { std: "docker" "start" "-a" "5d92081cf00602b568dc2156a907b2f2628f3f518873295d150974dd978cb389", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Checking fastrand v2.1.1 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking litemap v0.7.3 [INFO] [stderr] Checking value-bag v1.9.0 [INFO] [stderr] Checking writeable v0.5.5 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling cc v1.1.18 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Checking icu_locid_transform_data v1.5.0 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tinyvec v1.8.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Checking icu_properties_data v1.5.0 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] 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tinytemplate v1.2.1 [INFO] [stderr] Checking idna v1.0.2 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking lettre v0.11.9 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/smtp_tls.rs:27:11 [INFO] [stdout] | [INFO] [stdout] 21 | let mailer = SmtpTransport::relay("smtp.gmail.com") [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | match mailer.send(&email) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lettre` (example "smtp_tls") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/smtp.rs:19:11 [INFO] [stdout] | [INFO] [stdout] 16 | let mailer = SmtpTransport::unencrypted_localhost(); [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 19 | match mailer.send(&email) { [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/smtp_selfsigned.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 35 | let mailer = SmtpTransport::builder_dangerous("smtp.server.com") [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 42 | match mailer.send(&email) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lettre` (example "smtp_selfsigned") due to 2 previous errors [INFO] [stderr] error: could not compile `lettre` (example "smtp") due to 2 previous errors [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> examples/smtp_starttls.rs:27:11 [INFO] [stdout] | [INFO] [stdout] 21 | let mailer = SmtpTransport::starttls_relay("smtp.gmail.com") [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 27 | match mailer.send(&email) { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lettre` (example "smtp_starttls") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "5d92081cf00602b568dc2156a907b2f2628f3f518873295d150974dd978cb389", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d92081cf00602b568dc2156a907b2f2628f3f518873295d150974dd978cb389", kill_on_drop: false }` [INFO] [stdout] 5d92081cf00602b568dc2156a907b2f2628f3f518873295d150974dd978cb389