[INFO] fetching crate serde_ub_json 0.1.0... [INFO] checking serde_ub_json-0.1.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate serde_ub_json 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate serde_ub_json 0.1.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_ub_json 0.1.0 [INFO] finished tweaking crates.io crate serde_ub_json 0.1.0 [INFO] tweaked toml for crates.io crate serde_ub_json 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 71 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77ea72d0f145022ce71777fc99072ec285fd7e2f937d7aed441da218e8dd7a78 [INFO] running `Command { std: "docker" "start" "-a" "77ea72d0f145022ce71777fc99072ec285fd7e2f937d7aed441da218e8dd7a78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77ea72d0f145022ce71777fc99072ec285fd7e2f937d7aed441da218e8dd7a78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77ea72d0f145022ce71777fc99072ec285fd7e2f937d7aed441da218e8dd7a78", kill_on_drop: false }` [INFO] [stdout] 77ea72d0f145022ce71777fc99072ec285fd7e2f937d7aed441da218e8dd7a78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d98600d82811b024bb2e4bfecc67cf3adcac9e281a67509accc0d7878c677b56 [INFO] running `Command { std: "docker" "start" "-a" "d98600d82811b024bb2e4bfecc67cf3adcac9e281a67509accc0d7878c677b56", kill_on_drop: false }` [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking serde_ub_json v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unused import: `serde::Serialize` [INFO] [stdout] --> benches/benchmarks/ser_vec_of_integers.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde::Serialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::Deserialize` [INFO] [stdout] --> benches/benchmarks/de_vec_of_integers.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use serde::Deserialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `field1` and `field2` are never read [INFO] [stdout] --> benches/benchmarks/de_simple_struct.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct SimpleStruct { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 6 | field1: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 7 | field2: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SimpleStruct` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.38s [INFO] running `Command { std: "docker" "inspect" "d98600d82811b024bb2e4bfecc67cf3adcac9e281a67509accc0d7878c677b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d98600d82811b024bb2e4bfecc67cf3adcac9e281a67509accc0d7878c677b56", kill_on_drop: false }` [INFO] [stdout] d98600d82811b024bb2e4bfecc67cf3adcac9e281a67509accc0d7878c677b56 [INFO] checking serde_ub_json-0.1.0 against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate serde_ub_json 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate serde_ub_json 0.1.0 on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_ub_json 0.1.0 [INFO] finished tweaking crates.io crate serde_ub_json 0.1.0 [INFO] tweaked toml for crates.io crate serde_ub_json 0.1.0 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 71 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 702326ae049bb03d1734ec57024b6beef2db6dee8a66a25798a0e4375d647292 [INFO] running `Command { std: "docker" "start" "-a" "702326ae049bb03d1734ec57024b6beef2db6dee8a66a25798a0e4375d647292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "702326ae049bb03d1734ec57024b6beef2db6dee8a66a25798a0e4375d647292", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "702326ae049bb03d1734ec57024b6beef2db6dee8a66a25798a0e4375d647292", kill_on_drop: false }` [INFO] [stdout] 702326ae049bb03d1734ec57024b6beef2db6dee8a66a25798a0e4375d647292 [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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e5f009fe7b41fc563a0fb6619cc63cc15a403704907f120f407dba401f554cf9 [INFO] running `Command { std: "docker" "start" "-a" "e5f009fe7b41fc563a0fb6619cc63cc15a403704907f120f407dba401f554cf9", kill_on_drop: false }` [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking serde_ub_json v0.1.0 (/opt/rustwide/workdir) [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/de.rs:784:12 [INFO] [stdout] | [INFO] [stdout] 777 | fn variant_seed(self, seed: V) -> Result<(V::Value, Self::Variant)> [INFO] [stdout] | ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 783 | let val = seed.deserialize(&mut *self.de)?; [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 784 | Ok((val, self)) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_ub_json` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e5f009fe7b41fc563a0fb6619cc63cc15a403704907f120f407dba401f554cf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5f009fe7b41fc563a0fb6619cc63cc15a403704907f120f407dba401f554cf9", kill_on_drop: false }` [INFO] [stdout] e5f009fe7b41fc563a0fb6619cc63cc15a403704907f120f407dba401f554cf9