[INFO] fetching crate idm 0.4.2... [INFO] checking idm-0.4.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate idm 0.4.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate idm 0.4.2 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 idm 0.4.2 [INFO] finished tweaking crates.io crate idm 0.4.2 [INFO] tweaked toml for crates.io crate idm 0.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate idm 0.4.2 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] 24dbe4fc90e74d580e8eb4f9121642c9305f513c126abaeb1fcaeb9c4a2a80f9 [INFO] running `Command { std: "docker" "start" "-a" "24dbe4fc90e74d580e8eb4f9121642c9305f513c126abaeb1fcaeb9c4a2a80f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24dbe4fc90e74d580e8eb4f9121642c9305f513c126abaeb1fcaeb9c4a2a80f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24dbe4fc90e74d580e8eb4f9121642c9305f513c126abaeb1fcaeb9c4a2a80f9", kill_on_drop: false }` [INFO] [stdout] 24dbe4fc90e74d580e8eb4f9121642c9305f513c126abaeb1fcaeb9c4a2a80f9 [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] d2d08d3c5b268e5a7ad7268153d03061cad106c33b9a589fd4ec3983a4a2d5a0 [INFO] running `Command { std: "docker" "start" "-a" "d2d08d3c5b268e5a7ad7268153d03061cad106c33b9a589fd4ec3983a4a2d5a0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Compiling serde v1.0.192 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking linux-raw-sys v0.4.10 [INFO] [stderr] Checking alloc-no-stdlib v2.0.4 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking alloc-stdlib v0.2.2 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking deranged v0.3.9 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking gzip-header v1.0.0 [INFO] [stderr] Checking brotli-decompressor v2.5.1 [INFO] [stderr] Checking iana-time-zone v0.1.58 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chunked_transfer v1.4.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking ascii v1.1.0 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking clap_builder v4.4.7 [INFO] [stderr] Checking tiny_http v0.12.0 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking deflate v1.0.0 [INFO] [stderr] Checking time v0.3.30 [INFO] [stderr] Checking brotli v3.4.0 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking multipart v0.18.0 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking filetime v0.2.22 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking deunicode v1.4.1 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking hashbrown v0.14.2 [INFO] [stderr] Checking sha1_smol v1.0.0 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking slug v0.1.5 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Compiling serde_derive v1.0.192 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Checking clap v4.4.7 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking idm v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Expr` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ser/ast.rs:40:32 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn word(v: impl ToString) -> Result { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 40 | if let Expr::Word(s) = Expr::from_str(&v.to_string())? { [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 `Expr` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ser/ast.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn number(v: impl ToString) -> Result { [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 48 | if let Expr::Word(s) = Expr::from_str(&v.to_string())? { [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 `Expr` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ser/ast.rs:228:21 [INFO] [stdout] | [INFO] [stdout] 221 | pub fn normalize(mut self) -> Result { [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] ... [INFO] [stdout] 228 | let body = es.pop().unwrap(); [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 `idm` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "d2d08d3c5b268e5a7ad7268153d03061cad106c33b9a589fd4ec3983a4a2d5a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2d08d3c5b268e5a7ad7268153d03061cad106c33b9a589fd4ec3983a4a2d5a0", kill_on_drop: false }` [INFO] [stdout] d2d08d3c5b268e5a7ad7268153d03061cad106c33b9a589fd4ec3983a4a2d5a0