[INFO] fetching crate validated_struct_macros 2.1.0... [INFO] checking validated_struct_macros-2.1.0 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate validated_struct_macros 2.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate validated_struct_macros 2.1.0 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate validated_struct_macros 2.1.0 [INFO] finished tweaking crates.io crate validated_struct_macros 2.1.0 [INFO] tweaked toml for crates.io crate validated_struct_macros 2.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1eb4a25992da1ba18934143b6c1159f3f3b479f19e74ef32edd1fbad0cbe00f [INFO] running `Command { std: "docker" "start" "-a" "c1eb4a25992da1ba18934143b6c1159f3f3b479f19e74ef32edd1fbad0cbe00f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1eb4a25992da1ba18934143b6c1159f3f3b479f19e74ef32edd1fbad0cbe00f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1eb4a25992da1ba18934143b6c1159f3f3b479f19e74ef32edd1fbad0cbe00f", kill_on_drop: false }` [INFO] [stdout] c1eb4a25992da1ba18934143b6c1159f3f3b479f19e74ef32edd1fbad0cbe00f [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" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc6ccc51edf54df5f8cdd47674e63d274d1dfcd030afc96e79a54b08f959e0ba [INFO] running `Command { std: "docker" "start" "-a" "cc6ccc51edf54df5f8cdd47674e63d274d1dfcd030afc96e79a54b08f959e0ba", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking proc-macro2 v1.0.67 [INFO] [stderr] Checking quote v1.0.33 [INFO] [stderr] Compiling unzip-n v0.1.2 [INFO] [stderr] Checking validated_struct_macros v2.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0716]: temporary value dropped while borrowed [INFO] [stdout] --> src/lib.rs:450:29 [INFO] [stdout] | [INFO] [stdout] 450 | let structure: Vec<_> = spec.flatten().iter().map(StructSpec::structure).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stdout] | | [INFO] [stdout] | creates a temporary value which is freed while still in use [INFO] [stdout] 451 | (quote! { [INFO] [stdout] | ______- [INFO] [stdout] 452 | | #(#structure)* [INFO] [stdout] 453 | | }) [INFO] [stdout] | |_____- borrow later used here [INFO] [stdout] | [INFO] [stdout] help: consider using a `let` binding to create a longer lived value [INFO] [stdout] | [INFO] [stdout] 450 ~ let binding = spec.flatten(); [INFO] [stdout] 451 ~ let structure: Vec<_> = binding.iter().map(StructSpec::structure).collect(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0716`. [INFO] [stdout] [INFO] [stderr] error: could not compile `validated_struct_macros` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0716]: temporary value dropped while borrowed [INFO] [stdout] --> src/lib.rs:450:29 [INFO] [stdout] | [INFO] [stdout] 450 | let structure: Vec<_> = spec.flatten().iter().map(StructSpec::structure).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stdout] | | [INFO] [stdout] | creates a temporary value which is freed while still in use [INFO] [stdout] 451 | (quote! { [INFO] [stdout] | ______- [INFO] [stdout] 452 | | #(#structure)* [INFO] [stdout] 453 | | }) [INFO] [stdout] | |_____- borrow later used here [INFO] [stdout] | [INFO] [stdout] help: consider using a `let` binding to create a longer lived value [INFO] [stdout] | [INFO] [stdout] 450 ~ let binding = spec.flatten(); [INFO] [stdout] 451 ~ let structure: Vec<_> = binding.iter().map(StructSpec::structure).collect(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0716`. [INFO] [stdout] [INFO] [stderr] error: could not compile `validated_struct_macros` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "cc6ccc51edf54df5f8cdd47674e63d274d1dfcd030afc96e79a54b08f959e0ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc6ccc51edf54df5f8cdd47674e63d274d1dfcd030afc96e79a54b08f959e0ba", kill_on_drop: false }` [INFO] [stdout] cc6ccc51edf54df5f8cdd47674e63d274d1dfcd030afc96e79a54b08f959e0ba