[INFO] fetching crate falcon 0.5.5... [INFO] checking falcon-0.5.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate falcon 0.5.5 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate falcon 0.5.5 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate falcon 0.5.5 [INFO] finished tweaking crates.io crate falcon 0.5.5 [INFO] tweaked toml for crates.io crate falcon 0.5.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 72 packages to latest compatible versions [INFO] [stderr] Adding bad64 v0.6.0 (available: v0.9.0) [INFO] [stderr] Adding bad64-sys v0.5.0 (available: v0.7.0) [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding bindgen v0.59.2 (available: v0.70.1) [INFO] [stderr] Adding bindgen v0.63.0 (available: v0.70.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding goblin v0.6.1 (available: v0.8.2) [INFO] [stderr] Adding linux-raw-sys v0.4.14 (available: v0.6.5) [INFO] [stderr] Adding num-derive v0.3.3 (available: v0.4.2) [INFO] [stderr] Adding peeking_take_while v0.1.2 (available: v1.0.0) [INFO] [stderr] Adding rustc-hash v1.1.0 (available: v2.0.0) [INFO] [stderr] Adding scroll v0.11.0 (available: v0.12.0) [INFO] [stderr] Adding scroll_derive v0.11.1 (available: v0.12.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding which v4.4.2 (available: v6.0.3) [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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ab65371546eaaa6537e692f1cf2582f83c138137c850af7df78be421ee3ad59 [INFO] running `Command { std: "docker" "start" "-a" "7ab65371546eaaa6537e692f1cf2582f83c138137c850af7df78be421ee3ad59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ab65371546eaaa6537e692f1cf2582f83c138137c850af7df78be421ee3ad59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ab65371546eaaa6537e692f1cf2582f83c138137c850af7df78be421ee3ad59", kill_on_drop: false }` [INFO] [stdout] 7ab65371546eaaa6537e692f1cf2582f83c138137c850af7df78be421ee3ad59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4c4159badd869984b94b0dfc3ff9fed3a4c2fba66aef9c8421b69987f679b885 [INFO] running `Command { std: "docker" "start" "-a" "4c4159badd869984b94b0dfc3ff9fed3a4c2fba66aef9c8421b69987f679b885", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling rustix v0.38.37 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling libloading v0.8.5 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling bindgen v0.59.2 [INFO] [stderr] Compiling home v0.5.9 [INFO] [stderr] Compiling bindgen v0.63.0 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling serde v1.0.210 [INFO] [stderr] Compiling fs_extra v1.3.0 [INFO] [stderr] Checking cty v0.2.2 [INFO] [stderr] Compiling serde_json v1.0.128 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking cstr_core v0.2.6 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling cc v1.1.21 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Compiling cmake v0.1.51 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling scroll_derive v0.11.1 [INFO] [stderr] Compiling thiserror-impl v1.0.64 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Checking scroll v0.11.0 [INFO] [stderr] Checking goblin v0.6.1 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Compiling falcon_capstone v0.5.2 [INFO] [stderr] Compiling bad64-sys v0.5.0 [INFO] [stderr] Checking bad64 v0.6.0 [INFO] [stderr] Checking falcon v0.5.5 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `expression::Expression` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> lib/analysis/constants.rs:176:54 [INFO] [stdout] | [INFO] [stdout] 175 | expression.map(|expr| { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 176 | expr.replace_scalar(scalar, &constant.clone().into()) [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 `expression::Expression` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> lib/analysis/constants.rs:176:54 [INFO] [stdout] | [INFO] [stdout] 175 | expression.map(|expr| { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 176 | expr.replace_scalar(scalar, &constant.clone().into()) [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: unused return value of `must_use` that must be used [INFO] [stdout] --> lib/loader/elf/elf_linker.rs:450:21 [INFO] [stdout] | [INFO] [stdout] 450 | format!("Could not get symbol with name: \"{}\"", symbol_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `falcon` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> lib/loader/elf/elf_linker.rs:450:21 [INFO] [stdout] | [INFO] [stdout] 450 | format!("Could not get symbol with name: \"{}\"", symbol_name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `falcon` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "4c4159badd869984b94b0dfc3ff9fed3a4c2fba66aef9c8421b69987f679b885", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c4159badd869984b94b0dfc3ff9fed3a4c2fba66aef9c8421b69987f679b885", kill_on_drop: false }` [INFO] [stdout] 4c4159badd869984b94b0dfc3ff9fed3a4c2fba66aef9c8421b69987f679b885