[INFO] fetching crate br-email 1.1.2... [INFO] checking br-email-1.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate br-email 1.1.2 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate br-email 1.1.2 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 br-email 1.1.2 [INFO] finished tweaking crates.io crate br-email 1.1.2 [INFO] tweaked toml for crates.io crate br-email 1.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 205 packages to latest compatible versions [INFO] [stderr] Adding bindgen v0.69.4 (available: v0.70.1) [INFO] [stderr] Adding core-foundation v0.9.4 (available: v0.10.0) [INFO] [stderr] Adding foreign-types v0.3.2 (available: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (available: v0.3.1) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding itertools v0.12.1 (available: v0.13.0) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.0.0) [INFO] [stderr] Adding security-framework v2.11.1 (available: v3.0.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding which v4.4.2 (available: v6.0.3) [INFO] [stderr] Adding windows v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 82fdbbab0af4f1bdcebcfcbea4da7a15ed1721dde5d641dcefac0dc7da4733b0 [INFO] running `Command { std: "docker" "start" "-a" "82fdbbab0af4f1bdcebcfcbea4da7a15ed1721dde5d641dcefac0dc7da4733b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82fdbbab0af4f1bdcebcfcbea4da7a15ed1721dde5d641dcefac0dc7da4733b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82fdbbab0af4f1bdcebcfcbea4da7a15ed1721dde5d641dcefac0dc7da4733b0", kill_on_drop: false }` [INFO] [stdout] 82fdbbab0af4f1bdcebcfcbea4da7a15ed1721dde5d641dcefac0dc7da4733b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0bf77f4275dfdf74b1b05a502a72ee839927ecb57a8093aded6a576e2a3684bd [INFO] running `Command { std: "docker" "start" "-a" "0bf77f4275dfdf74b1b05a502a72ee839927ecb57a8093aded6a576e2a3684bd", kill_on_drop: false }` [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling dunce v1.0.5 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking writeable v0.5.5 [INFO] [stderr] Checking litemap v0.7.3 [INFO] [stderr] Checking icu_locid_transform_data v1.5.0 [INFO] [stderr] Compiling aws-lc-rs v1.9.0 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking icu_properties_data v1.5.0 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking utf16_iter v1.0.5 [INFO] [stderr] Checking rustls-pki-types v1.9.0 [INFO] [stderr] Checking icu_normalizer_data v1.5.0 [INFO] [stderr] Checking cpufeatures v0.2.14 [INFO] [stderr] Checking write16 v1.0.0 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking quoted_printable v0.5.1 [INFO] [stderr] Compiling rustls v0.23.13 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking mail-parser v0.9.4 [INFO] [stderr] Checking uuid v1.10.0 [INFO] [stderr] Checking email-encoding v0.3.0 [INFO] [stderr] Checking sha1 v0.10.6 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking hostname v0.4.0 [INFO] [stderr] Checking textcode v0.2.2 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking email_address v0.2.9 [INFO] [stderr] Checking sha256-rs v1.0.2 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Checking webpki-roots v0.26.6 [INFO] [stderr] Compiling zerofrom-derive v0.1.4 [INFO] [stderr] Compiling yoke-derive v0.7.4 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Checking zerofrom v0.1.4 [INFO] [stderr] Compiling cc v1.1.22 [INFO] [stderr] Checking yoke v0.7.4 [INFO] [stderr] Checking zerovec v0.10.4 [INFO] [stderr] Compiling cmake v0.1.51 [INFO] [stderr] Compiling openssl-sys v0.9.103 [INFO] [stderr] Compiling psm v0.1.23 [INFO] [stderr] Compiling stacker v0.1.17 [INFO] [stderr] Compiling aws-lc-sys v0.21.2 [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 regex v1.10.6 [INFO] [stderr] Compiling openssl v0.10.66 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Checking chumsky v0.9.3 [INFO] [stderr] Checking env_filter v0.1.2 [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking env_logger v0.11.5 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking idna v1.0.2 [INFO] [stderr] Checking br-crypto v0.1.26 [INFO] [stderr] Checking lettre v0.11.9 [INFO] [stderr] Checking rustls-webpki v0.102.8 [INFO] [stderr] Checking br-email v1.1.2 (/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] --> src/smtp/mod.rs:157:15 [INFO] [stdout] | [INFO] [stdout] 139 | let mailer = match self.port { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 157 | 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] --> src/smtp/mod.rs:157:15 [INFO] [stdout] | [INFO] [stdout] 139 | let mailer = match self.port { [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 157 | 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] warning: variable `content_disposition` is assigned to, but never used [INFO] [stdout] --> src/analyze.rs:209:17 [INFO] [stdout] | [INFO] [stdout] 209 | let mut content_disposition = ""; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_content_disposition` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `content_disposition` is assigned to, but never used [INFO] [stdout] --> src/analyze.rs:209:17 [INFO] [stdout] | [INFO] [stdout] 209 | let mut content_disposition = ""; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_content_disposition` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `content_disposition` is never read [INFO] [stdout] --> src/analyze.rs:230:29 [INFO] [stdout] | [INFO] [stdout] 230 | ... content_disposition = disposition.trim().trim_end_matches(";").trim(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `content_disposition` is never read [INFO] [stdout] --> src/analyze.rs:230:29 [INFO] [stdout] | [INFO] [stdout] 230 | ... content_disposition = disposition.trim().trim_end_matches(";").trim(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/analyze.rs:204:27 [INFO] [stdout] | [INFO] [stdout] 204 | let (&ref header, mut body) = match data.find("\r\n\r\n") { [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/analyze.rs:204:27 [INFO] [stdout] | [INFO] [stdout] 204 | let (&ref header, mut body) = match data.find("\r\n\r\n") { [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: type `analyze::ContentTransferEncoding` is more private than the item `AnalyzeEmails::content_transfer_encoding` [INFO] [stdout] --> src/analyze.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub content_transfer_encoding: ContentTransferEncoding, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `AnalyzeEmails::content_transfer_encoding` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `analyze::ContentTransferEncoding` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/analyze.rs:455:1 [INFO] [stdout] | [INFO] [stdout] 455 | enum ContentTransferEncoding { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `analyze::ContentTransferEncoding` is more private than the item `AnalyzeEmails::content_transfer_encoding` [INFO] [stdout] --> src/analyze.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | pub content_transfer_encoding: ContentTransferEncoding, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `AnalyzeEmails::content_transfer_encoding` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `analyze::ContentTransferEncoding` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/analyze.rs:455:1 [INFO] [stdout] | [INFO] [stdout] 455 | enum ContentTransferEncoding { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/pop3/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Pop3 { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Pop3` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/pop3/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Pop3 { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Pop3` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/imap/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Imap { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Imap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/imap/mod.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct Imap { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | name: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Imap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `br-email` (lib) due to 2 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `br-email` (lib test) due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0bf77f4275dfdf74b1b05a502a72ee839927ecb57a8093aded6a576e2a3684bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bf77f4275dfdf74b1b05a502a72ee839927ecb57a8093aded6a576e2a3684bd", kill_on_drop: false }` [INFO] [stdout] 0bf77f4275dfdf74b1b05a502a72ee839927ecb57a8093aded6a576e2a3684bd