[INFO] fetching crate cptc 0.1.4... [INFO] checking cptc-0.1.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate cptc 0.1.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate cptc 0.1.4 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 cptc 0.1.4 [INFO] finished tweaking crates.io crate cptc 0.1.4 [INFO] tweaked toml for crates.io crate cptc 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate cptc 0.1.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fb8a58798ecbcc51c48db55b15dd95f182eb42594aaf7bbedbc4d09a57fac1d1 [INFO] running `Command { std: "docker" "start" "-a" "fb8a58798ecbcc51c48db55b15dd95f182eb42594aaf7bbedbc4d09a57fac1d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb8a58798ecbcc51c48db55b15dd95f182eb42594aaf7bbedbc4d09a57fac1d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb8a58798ecbcc51c48db55b15dd95f182eb42594aaf7bbedbc4d09a57fac1d1", kill_on_drop: false }` [INFO] [stdout] fb8a58798ecbcc51c48db55b15dd95f182eb42594aaf7bbedbc4d09a57fac1d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6f4dafc90aa82a0cd2973ad144a945af8190e7921943f72e5319e03baca2cac8 [INFO] running `Command { std: "docker" "start" "-a" "6f4dafc90aa82a0cd2973ad144a945af8190e7921943f72e5319e03baca2cac8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling rustix v0.38.28 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking libloading v0.8.1 [INFO] [stderr] Checking bitflags v2.4.2 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking linux-raw-sys v0.4.12 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Checking simd-adler32 v0.3.7 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Checking dlib v0.5.2 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking fdeflate v0.3.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking bytecount v0.6.7 [INFO] [stderr] Compiling x11rb v0.12.0 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking bytemuck v1.14.1 [INFO] [stderr] Compiling quick-xml v0.30.0 [INFO] [stderr] Compiling wayland-sys v0.31.1 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking png v0.17.11 [INFO] [stderr] Compiling wayland-scanner v0.31.0 [INFO] [stderr] Checking petgraph v0.6.4 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking gethostname v0.3.0 [INFO] [stderr] Checking os_pipe v1.1.5 [INFO] [stderr] Checking image v0.24.8 [INFO] [stderr] Compiling wayland-backend v0.3.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Checking tree_magic_mini v3.0.3 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking wayland-client v0.31.1 [INFO] [stderr] Checking x11rb-protocol v0.12.0 [INFO] [stderr] Checking wayland-protocols v0.31.0 [INFO] [stderr] Checking wayland-protocols-wlr v0.2.0 [INFO] [stderr] Checking wl-clipboard-rs v0.8.0 [INFO] [stderr] Checking arboard v3.3.0 [INFO] [stderr] Checking cptc v0.1.4 (/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/main.rs:35:28 [INFO] [stdout] | [INFO] [stdout] 35 | .filter_map(|path| fs::read_to_string(path).ok()) [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 `cptc` (bin "cptc") 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/main.rs:35:28 [INFO] [stdout] | [INFO] [stdout] 35 | .filter_map(|path| fs::read_to_string(path).ok()) [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 `cptc` (bin "cptc" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6f4dafc90aa82a0cd2973ad144a945af8190e7921943f72e5319e03baca2cac8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f4dafc90aa82a0cd2973ad144a945af8190e7921943f72e5319e03baca2cac8", kill_on_drop: false }` [INFO] [stdout] 6f4dafc90aa82a0cd2973ad144a945af8190e7921943f72e5319e03baca2cac8