[INFO] fetching crate feembox 0.1.1... [INFO] checking feembox-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate feembox 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate feembox 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 feembox 0.1.1 [INFO] finished tweaking crates.io crate feembox 0.1.1 [INFO] tweaked toml for crates.io crate feembox 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate feembox 0.1.1 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 84add97f3a7ecc7e713b74b25feca5bdeb3f5071d8c743782cccd80d654c8527 [INFO] running `Command { std: "docker" "start" "-a" "84add97f3a7ecc7e713b74b25feca5bdeb3f5071d8c743782cccd80d654c8527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84add97f3a7ecc7e713b74b25feca5bdeb3f5071d8c743782cccd80d654c8527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84add97f3a7ecc7e713b74b25feca5bdeb3f5071d8c743782cccd80d654c8527", kill_on_drop: false }` [INFO] [stdout] 84add97f3a7ecc7e713b74b25feca5bdeb3f5071d8c743782cccd80d654c8527 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9d71997b1bc0c74a682b8cf97d6d7e9e2434f29c664244ac724ac4ae59193af2 [INFO] running `Command { std: "docker" "start" "-a" "9d71997b1bc0c74a682b8cf97d6d7e9e2434f29c664244ac724ac4ae59193af2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking gimli v0.21.0 [INFO] [stderr] Checking lut v0.1.0-unstable [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Checking quoted-string v0.6.1 [INFO] [stderr] Checking object v0.19.0 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking media-type-impl-utils v0.3.0-unstable [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling serde v1.0.111 [INFO] [stderr] Checking quoted_printable v0.4.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking media-type v0.4.0-unstable [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling checked_command v0.2.2 [INFO] [stderr] Checking soft-ascii-string v1.1.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking vec1 v1.5.0 [INFO] [stderr] Checking vec-drain-where v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking total-order-multi-map v0.4.6 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking addr2line v0.12.1 [INFO] [stderr] Checking owning_ref v0.4.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking backtrace v0.3.48 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking uuid v0.8.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking xml-rs v0.8.3 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking siphasher v0.3.3 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking linked_hash_set v0.1.3 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking tabwriter v1.2.1 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Compiling serde_derive v1.0.111 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking charset v0.1.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking mailparse v0.12.1 [INFO] [stderr] Checking mail-internals v0.2.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking mail-headers v0.6.6 [INFO] [stderr] Checking mail-core v0.6.2 [INFO] [stderr] Checking serde_json v1.0.53 [INFO] [stderr] Checking feed-rs v0.2.4 [INFO] [stderr] Checking feembox v0.1.1 (/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/ops.rs:77:42 [INFO] [stdout] | [INFO] [stdout] 77 | .map(|(body, content_type)| (summary_to_mail(body, content_type, ctx), *content_type))) [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 `feembox` (lib) due to 2 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/ops.rs:77:42 [INFO] [stdout] | [INFO] [stdout] 77 | .map(|(body, content_type)| (summary_to_mail(body, content_type, ctx), *content_type))) [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 `feembox` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9d71997b1bc0c74a682b8cf97d6d7e9e2434f29c664244ac724ac4ae59193af2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d71997b1bc0c74a682b8cf97d6d7e9e2434f29c664244ac724ac4ae59193af2", kill_on_drop: false }` [INFO] [stdout] 9d71997b1bc0c74a682b8cf97d6d7e9e2434f29c664244ac724ac4ae59193af2