[INFO] fetching crate imap 3.0.0-alpha.14... [INFO] checking imap-3.0.0-alpha.14 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate imap 3.0.0-alpha.14 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate imap 3.0.0-alpha.14 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 imap 3.0.0-alpha.14 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate imap 3.0.0-alpha.14 [INFO] tweaked toml for crates.io crate imap 3.0.0-alpha.14 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate imap 3.0.0-alpha.14 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 47291dd02c0a0419e20c2422c70e5fd9d1d64ab9500d579c81272ea55e26e47a [INFO] running `Command { std: "docker" "start" "-a" "47291dd02c0a0419e20c2422c70e5fd9d1d64ab9500d579c81272ea55e26e47a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "47291dd02c0a0419e20c2422c70e5fd9d1d64ab9500d579c81272ea55e26e47a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47291dd02c0a0419e20c2422c70e5fd9d1d64ab9500d579c81272ea55e26e47a", kill_on_drop: false }` [INFO] [stdout] 47291dd02c0a0419e20c2422c70e5fd9d1d64ab9500d579c81272ea55e26e47a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ef080430d52356d52692065fea5a96122f2b52d658e0225f98ac37735fb7a298 [INFO] running `Command { std: "docker" "start" "-a" "ef080430d52356d52692065fea5a96122f2b52d658e0225f98ac37735fb7a298", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling proc-macro2-diagnostics v0.10.1 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking rustls-pki-types v1.4.1 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling openssl v0.10.64 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking bitflags v2.5.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Compiling yansi v1.0.1 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling syn v2.0.57 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking unicode-normalization v0.1.23 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling psm v0.1.21 [INFO] [stderr] Compiling stacker v0.1.15 [INFO] [stderr] Compiling rustls v0.22.3 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking base64 v0.22.0 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking unicode-bidi v0.3.15 [INFO] [stderr] Checking allocator-api2 v0.2.16 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Checking idna v0.5.0 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking rustls-pemfile v2.1.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking aliasable v0.1.3 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking chumsky v0.9.3 [INFO] [stderr] Checking url v2.5.0 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking rustls-native-certs v0.7.0 [INFO] [stderr] Checking imap-proto v0.16.4 [INFO] [stderr] Checking email-encoding v0.3.0 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking quoted_printable v0.5.0 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking email_address v0.2.4 [INFO] [stderr] Checking fastrand v2.0.2 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling ouroboros_macro v0.18.3 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking rustls-webpki v0.102.2 [INFO] [stderr] Checking ouroboros v0.18.3 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking rustls-connector v0.19.2 [INFO] [stderr] Checking lettre v0.11.6 [INFO] [stderr] Checking imap v3.0.0-alpha.14 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `(bool, std::result::Result)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/extensions/idle.rs:187:15 [INFO] [stdout] | [INFO] [stdout] 133 | fn wait_inner(&mut self, reconnect: bool, mut callback: F) -> Result [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 187 | match (reconnect, result) { [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 `imap` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `std::result::Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/client.rs:1806:45 [INFO] [stdout] | [INFO] [stdout] 1804 | let mut client = Client::new(mock_stream); [INFO] [stdout] | ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1805 | let mut v = Vec::new(); [INFO] [stdout] 1806 | if let Err(Error::ConnectionLost) = client.readline(&mut v) { [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 `(bool, std::result::Result)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/extensions/idle.rs:187:15 [INFO] [stdout] | [INFO] [stdout] 133 | fn wait_inner(&mut self, reconnect: bool, mut callback: F) -> Result [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 187 | match (reconnect, result) { [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: this value of type `error::Error` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/extensions/metadata.rs:288:17 [INFO] [stdout] | [INFO] [stdout] 269 | let mut session = client.login("testuser", "pass").unwrap(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 270 | let r = session.get_metadata( [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 288 | Err(e) => panic!("Unexpected error: {:?}", 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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `imap` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "ef080430d52356d52692065fea5a96122f2b52d658e0225f98ac37735fb7a298", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef080430d52356d52692065fea5a96122f2b52d658e0225f98ac37735fb7a298", kill_on_drop: false }` [INFO] [stdout] ef080430d52356d52692065fea5a96122f2b52d658e0225f98ac37735fb7a298