[INFO] fetching crate treeflection_derive 0.4.0...
[INFO] checking treeflection_derive-0.4.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate treeflection_derive 0.4.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate treeflection_derive 0.4.0
[INFO] finished tweaking crates.io crate treeflection_derive 0.4.0
[INFO] tweaked toml for crates.io crate treeflection_derive 0.4.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treeflection_derive 0.4.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73ab4652ae59aa03fb9f2dffcb6622b0041a46d5dda88da29a90c9e80c2ca8a4
[INFO] running `Command { std: "docker" "start" "-a" "73ab4652ae59aa03fb9f2dffcb6622b0041a46d5dda88da29a90c9e80c2ca8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ab4652ae59aa03fb9f2dffcb6622b0041a46d5dda88da29a90c9e80c2ca8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ab4652ae59aa03fb9f2dffcb6622b0041a46d5dda88da29a90c9e80c2ca8a4", kill_on_drop: false }`
[INFO] [stdout] 73ab4652ae59aa03fb9f2dffcb6622b0041a46d5dda88da29a90c9e80c2ca8a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 532ea6f709851979efb7020b85a0443cea094b03572ae234dec6441c0fda602e
[INFO] running `Command { std: "docker" "start" "-a" "532ea6f709851979efb7020b85a0443cea094b03572ae234dec6441c0fda602e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking treeflection_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking treeflection v0.1.35
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> tests/test.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[NodeActions(
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 | #[derive(Node, Serialize, Deserialize, Default, Clone)]
[INFO] [stdout]    |          ---- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.19s
[INFO] running `Command { std: "docker" "inspect" "532ea6f709851979efb7020b85a0443cea094b03572ae234dec6441c0fda602e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532ea6f709851979efb7020b85a0443cea094b03572ae234dec6441c0fda602e", kill_on_drop: false }`
[INFO] [stdout] 532ea6f709851979efb7020b85a0443cea094b03572ae234dec6441c0fda602e