[INFO] fetching crate delta-struct-macros 0.1.0...
[INFO] checking delta-struct-macros-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate delta-struct-macros 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate delta-struct-macros 0.1.0
[INFO] finished tweaking crates.io crate delta-struct-macros 0.1.0
[INFO] tweaked toml for crates.io crate delta-struct-macros 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate delta-struct-macros 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `delta_struct_macros` library target)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68e7359bff7bdd68bd87423e2e43656e7ee6cc1e66a2d505cc4db9087e86f5af
[INFO] running `Command { std: "docker" "start" "-a" "68e7359bff7bdd68bd87423e2e43656e7ee6cc1e66a2d505cc4db9087e86f5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e7359bff7bdd68bd87423e2e43656e7ee6cc1e66a2d505cc4db9087e86f5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e7359bff7bdd68bd87423e2e43656e7ee6cc1e66a2d505cc4db9087e86f5af", kill_on_drop: false }`
[INFO] [stdout] 68e7359bff7bdd68bd87423e2e43656e7ee6cc1e66a2d505cc4db9087e86f5af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e169c4d006a89b0b083325ae022fc8f3c80b1a5583fb59d4947cc7812886e9c
[INFO] running `Command { std: "docker" "start" "-a" "9e169c4d006a89b0b083325ae022fc8f3c80b1a5583fb59d4947cc7812886e9c", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `delta_struct_macros` library target)
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking delta-struct-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:354:27
[INFO] [stdout]     |
[INFO] [stdout] 354 |     UnrecognizedJunkFound(Vec<NestedMeta>),
[INFO] [stdout]     |     --------------------- ^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 354 -     UnrecognizedJunkFound(Vec<NestedMeta>),
[INFO] [stdout] 354 +     UnrecognizedJunkFound(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:354:27
[INFO] [stdout]     |
[INFO] [stdout] 354 |     UnrecognizedJunkFound(Vec<NestedMeta>),
[INFO] [stdout]     |     --------------------- ^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[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] 354 -     UnrecognizedJunkFound(Vec<NestedMeta>),
[INFO] [stdout] 354 +     UnrecognizedJunkFound(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "9e169c4d006a89b0b083325ae022fc8f3c80b1a5583fb59d4947cc7812886e9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e169c4d006a89b0b083325ae022fc8f3c80b1a5583fb59d4947cc7812886e9c", kill_on_drop: false }`
[INFO] [stdout] 9e169c4d006a89b0b083325ae022fc8f3c80b1a5583fb59d4947cc7812886e9c