[INFO] cloning repository https://github.com/bluk/wanwan [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bluk/wanwan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluk%2Fwanwan", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluk%2Fwanwan'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1891cbe07fabe591b02387d28fa7ea3883c6d96 [INFO] checking bluk/wanwan/a1891cbe07fabe591b02387d28fa7ea3883c6d96 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluk%2Fwanwan" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bluk/wanwan 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 git repo https://github.com/bluk/wanwan [INFO] finished tweaking git repo https://github.com/bluk/wanwan [INFO] tweaked toml for git repo https://github.com/bluk/wanwan written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/bluk/wanwan 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 144135a929bd016580f34394ea724030f37490e523db52949461f4c0ff850075 [INFO] running `Command { std: "docker" "start" "-a" "144135a929bd016580f34394ea724030f37490e523db52949461f4c0ff850075", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "144135a929bd016580f34394ea724030f37490e523db52949461f4c0ff850075", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "144135a929bd016580f34394ea724030f37490e523db52949461f4c0ff850075", kill_on_drop: false }` [INFO] [stdout] 144135a929bd016580f34394ea724030f37490e523db52949461f4c0ff850075 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5551990392c12352093cc5a9b876c78ac5c6f91351cb0e81dffa0f806302d544 [INFO] running `Command { std: "docker" "start" "-a" "5551990392c12352093cc5a9b876c78ac5c6f91351cb0e81dffa0f806302d544", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking fastrand v2.0.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Checking wanwan v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/fmt.rs:190:6 [INFO] [stdout] | [INFO] [stdout] 190 | impl std::error::Error for OutOfBoundsError {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | unused_qualifications [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 190 - impl std::error::Error for OutOfBoundsError {} [INFO] [stdout] 190 + impl error::Error for OutOfBoundsError {} [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/validation.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | ty::ValTy::Num(n) => OpdTy::Num(n), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 34 - ty::ValTy::Num(n) => OpdTy::Num(n), [INFO] [stdout] 34 + ValTy::Num(n) => OpdTy::Num(n), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/validation.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | ty::ValTy::Vec(v) => OpdTy::Vec(v), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 35 - ty::ValTy::Vec(v) => OpdTy::Vec(v), [INFO] [stdout] 35 + ValTy::Vec(v) => OpdTy::Vec(v), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/validation.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | ty::ValTy::Ref(r) => OpdTy::Ref(r), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 36 - ty::ValTy::Ref(r) => OpdTy::Ref(r), [INFO] [stdout] 36 + ValTy::Ref(r) => OpdTy::Ref(r), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stdout] warning: field `1` is never read [INFO] [stdout] --> src/embed.rs:23:25 [INFO] [stdout] | [INFO] [stdout] 23 | DecodeError(String, u64), [INFO] [stdout] | ----------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `InnerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 23 | DecodeError(String, ()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SectionIndex` is never constructed [INFO] [stdout] --> src/fmt/binary.rs:2557:8 [INFO] [stdout] | [INFO] [stdout] 2557 | struct SectionIndex(u32); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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/fmt.rs:114:19 [INFO] [stdout] | [INFO] [stdout] 112 | fn new(reader: R) -> Self { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 113 | IoRead { [INFO] [stdout] 114 | iter: reader.bytes(), [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/fmt/binary.rs:2983:5 [INFO] [stdout] | [INFO] [stdout] 2982 | fn decode(mut reader: R) -> Result> { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 2983 | Module::decode(&mut reader).map_err(|e| Error { [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/fmt/binary.rs:3008:12 [INFO] [stdout] | [INFO] [stdout] 3004 | pub fn from_reader(r: R) -> Result> [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 3008 | decode(super::IoRead::new(r)) [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; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `wanwan` (lib) due to 4 previous errors; 6 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5551990392c12352093cc5a9b876c78ac5c6f91351cb0e81dffa0f806302d544", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5551990392c12352093cc5a9b876c78ac5c6f91351cb0e81dffa0f806302d544", kill_on_drop: false }` [INFO] [stdout] 5551990392c12352093cc5a9b876c78ac5c6f91351cb0e81dffa0f806302d544