[INFO] fetching crate ambient_rustc 0.3.1... [INFO] checking ambient_rustc-0.3.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate ambient_rustc 0.3.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate ambient_rustc 0.3.1 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 ambient_rustc 0.3.1 [INFO] finished tweaking crates.io crate ambient_rustc 0.3.1 [INFO] tweaked toml for crates.io crate ambient_rustc 0.3.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 37 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding windows-sys v0.52.0 (latest: v0.59.0) [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8dee0ad1b70aa5e2c517db06bc1ce500751073b8a2d102f42ed693ef722445b7 [INFO] running `Command { std: "docker" "start" "-a" "8dee0ad1b70aa5e2c517db06bc1ce500751073b8a2d102f42ed693ef722445b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8dee0ad1b70aa5e2c517db06bc1ce500751073b8a2d102f42ed693ef722445b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dee0ad1b70aa5e2c517db06bc1ce500751073b8a2d102f42ed693ef722445b7", kill_on_drop: false }` [INFO] [stdout] 8dee0ad1b70aa5e2c517db06bc1ce500751073b8a2d102f42ed693ef722445b7 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 922ba2cefb10c4c1e1b0bdb5d0ca1f8c6a0f0f5b67a739e39732c4d217a9723b [INFO] running `Command { std: "docker" "start" "-a" "922ba2cefb10c4c1e1b0bdb5d0ca1f8c6a0f0f5b67a739e39732c4d217a9723b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.29.0 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling ambient_rustc v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking addr2line v0.22.0 [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/lib.rs:164:30 [INFO] [stdout] | [INFO] [stdout] 164 | .filter_map(|l| Some(serde_json::Value::from_str(l).ok()?.as_object()?.to_owned())) [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 `ambient_rustc` (lib test) 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/lib.rs:164:30 [INFO] [stdout] | [INFO] [stdout] 164 | .filter_map(|l| Some(serde_json::Value::from_str(l).ok()?.as_object()?.to_owned())) [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 `ambient_rustc` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "922ba2cefb10c4c1e1b0bdb5d0ca1f8c6a0f0f5b67a739e39732c4d217a9723b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "922ba2cefb10c4c1e1b0bdb5d0ca1f8c6a0f0f5b67a739e39732c4d217a9723b", kill_on_drop: false }` [INFO] [stdout] 922ba2cefb10c4c1e1b0bdb5d0ca1f8c6a0f0f5b67a739e39732c4d217a9723b