[INFO] fetching crate bcder 0.7.4... [INFO] checking bcder-0.7.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate bcder 0.7.4 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate bcder 0.7.4 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 bcder 0.7.4 [INFO] finished tweaking crates.io crate bcder 0.7.4 [INFO] tweaked toml for crates.io crate bcder 0.7.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate bcder 0.7.4 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ac8fb241de6f72d3617b71646ca0cc5de84f473bff6d8fdb55617bcac720de6 [INFO] running `Command { std: "docker" "start" "-a" "2ac8fb241de6f72d3617b71646ca0cc5de84f473bff6d8fdb55617bcac720de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ac8fb241de6f72d3617b71646ca0cc5de84f473bff6d8fdb55617bcac720de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ac8fb241de6f72d3617b71646ca0cc5de84f473bff6d8fdb55617bcac720de6", kill_on_drop: false }` [INFO] [stdout] 2ac8fb241de6f72d3617b71646ca0cc5de84f473bff6d8fdb55617bcac720de6 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdd3249e9b7f646d9b69a2af4e9dfbb1db17408541b856314f9632f08eed4c2f [INFO] running `Command { std: "docker" "start" "-a" "fdd3249e9b7f646d9b69a2af4e9dfbb1db17408541b856314f9632f08eed4c2f", kill_on_drop: false }` [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking bcder v0.7.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `target_pointer_len` [INFO] [stdout] --> src/length.rs:162:11 [INFO] [stdout] | [INFO] [stdout] 162 | #[cfg(target_pointer_len = "64")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target_pointer_len, values("64"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target_pointer_len, values(\"64\"))");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 162 | #[cfg(target_pointer_width = "64")] [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `target_pointer_len` [INFO] [stdout] --> src/length.rs:210:15 [INFO] [stdout] | [INFO] [stdout] 210 | #[cfg(not(target_pointer_len = "64"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target_pointer_len, values("64"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target_pointer_len, values(\"64\"))");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 210 | #[cfg(not(target_pointer_width = "64"))] [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `target_pointer_len` [INFO] [stdout] --> src/length.rs:162:11 [INFO] [stdout] | [INFO] [stdout] 162 | #[cfg(target_pointer_len = "64")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target_pointer_len, values("64"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target_pointer_len, values(\"64\"))");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 162 | #[cfg(target_pointer_width = "64")] [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `target_pointer_len` [INFO] [stdout] --> src/length.rs:210:15 [INFO] [stdout] | [INFO] [stdout] 210 | #[cfg(not(target_pointer_len = "64"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target_pointer_len, values("64"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target_pointer_len, values(\"64\"))");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] help: there is a config with a similar name and value [INFO] [stdout] | [INFO] [stdout] 210 | #[cfg(not(target_pointer_width = "64"))] [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `bit::BitString` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/string/bit.rs:357:25 [INFO] [stdout] | [INFO] [stdout] 347 | let taken = Mode::Der.decode( encoded.into_source(), |cons| { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 351 | let skipped = Mode::Der.decode(&mut skip_source, |cons| { [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 357 | let taken = taken.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] = 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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `bcder` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "fdd3249e9b7f646d9b69a2af4e9dfbb1db17408541b856314f9632f08eed4c2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdd3249e9b7f646d9b69a2af4e9dfbb1db17408541b856314f9632f08eed4c2f", kill_on_drop: false }` [INFO] [stdout] fdd3249e9b7f646d9b69a2af4e9dfbb1db17408541b856314f9632f08eed4c2f