[INFO] fetching crate twiggy-traits 0.7.0... [INFO] checking twiggy-traits-0.7.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate twiggy-traits 0.7.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate twiggy-traits 0.7.0 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 twiggy-traits 0.7.0 [INFO] finished tweaking crates.io crate twiggy-traits 0.7.0 [INFO] tweaked toml for crates.io crate twiggy-traits 0.7.0 written to /workspace/builds/worker-6-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding addr2line v0.22.0 (latest: v0.24.1) [INFO] [stderr] Adding cpp_demangle v0.3.5 (latest: v0.4.4) [INFO] [stderr] Adding fallible-iterator v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding fixedbitset v0.4.2 (latest: v0.5.7) [INFO] [stderr] Adding gimli v0.25.0 (latest: v0.31.0) [INFO] [stderr] Adding gimli v0.29.0 (latest: v0.31.0) [INFO] [stderr] Adding miniz_oxide v0.7.4 (latest: v0.8.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding wasmparser v0.35.3 (latest: v0.216.0) [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-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] b75f96f498fc88d737468c289a864b2353b0243979ddefda23ffc2e4b75411d7 [INFO] running `Command { std: "docker" "start" "-a" "b75f96f498fc88d737468c289a864b2353b0243979ddefda23ffc2e4b75411d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b75f96f498fc88d737468c289a864b2353b0243979ddefda23ffc2e4b75411d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b75f96f498fc88d737468c289a864b2353b0243979ddefda23ffc2e4b75411d7", kill_on_drop: false }` [INFO] [stdout] b75f96f498fc88d737468c289a864b2353b0243979ddefda23ffc2e4b75411d7 [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] 794555c4df9e98bfd8f723c3fc21203fcc6f83eba006dbab373c450f5408dd08 [INFO] running `Command { std: "docker" "start" "-a" "794555c4df9e98bfd8f723c3fc21203fcc6f83eba006dbab373c450f5408dd08", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Compiling unicode-xid v0.2.5 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.29.0 [INFO] [stderr] Compiling cpp_demangle v0.3.5 [INFO] [stderr] Checking object v0.36.4 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking miniz_oxide v0.7.4 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking frozen v1.0.0 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking wasmparser v0.35.3 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking indexmap v2.5.0 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling backtrace v0.3.73 [INFO] [stderr] Checking petgraph v0.6.5 [INFO] [stderr] Checking addr2line v0.22.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking twiggy-ir v0.7.0 [INFO] [stderr] Checking twiggy-traits v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | destination: &mut dyn io::Write, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [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] --> traits.rs:71:20 [INFO] [stdout] | [INFO] [stdout] 69 | fn from(e: io::Error) -> Error { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 70 | Error { [INFO] [stdout] 71 | inner: Box::new(ErrorInner::Io(e)), [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] --> traits.rs:95:20 [INFO] [stdout] | [INFO] [stdout] 93 | fn from(e: csv::Error) -> Error { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 94 | Error { [INFO] [stdout] 95 | inner: Box::new(ErrorInner::Csv(e)), [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] --> traits.rs:121:20 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn with_msg>(msg: S) -> Error { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 120 | Error { [INFO] [stdout] 121 | inner: Box::new(ErrorInner::Msg(msg.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] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `items` [INFO] [stdout] --> traits.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | items: &ir::Items, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_items` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `destination` [INFO] [stdout] --> traits.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 225 | destination: &mut dyn io::Write, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_destination` [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] --> traits.rs:71:20 [INFO] [stdout] | [INFO] [stdout] 69 | fn from(e: io::Error) -> Error { [INFO] [stdout] | ------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 70 | Error { [INFO] [stdout] 71 | inner: Box::new(ErrorInner::Io(e)), [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 3 previous errors; 2 warnings emitted [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] --> traits.rs:95:20 [INFO] [stdout] | [INFO] [stdout] 93 | fn from(e: csv::Error) -> Error { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 94 | Error { [INFO] [stdout] 95 | inner: Box::new(ErrorInner::Csv(e)), [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] --> traits.rs:121:20 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn with_msg>(msg: S) -> Error { [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 120 | Error { [INFO] [stdout] 121 | inner: Box::new(ErrorInner::Msg(msg.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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `twiggy-traits` (lib) due to 4 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `twiggy-traits` (lib test) due to 4 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "794555c4df9e98bfd8f723c3fc21203fcc6f83eba006dbab373c450f5408dd08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "794555c4df9e98bfd8f723c3fc21203fcc6f83eba006dbab373c450f5408dd08", kill_on_drop: false }` [INFO] [stdout] 794555c4df9e98bfd8f723c3fc21203fcc6f83eba006dbab373c450f5408dd08