[INFO] fetching crate treeflection_derive 0.4.0...
[INFO] testing treeflection_derive-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate treeflection_derive 0.4.0 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate treeflection_derive 0.4.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6a7d53dfbfcc0c8c354a24eeaf0c7a8bed74d73cbf35c04cb51410f3435a753
[INFO] running `Command { std: "docker" "start" "-a" "b6a7d53dfbfcc0c8c354a24eeaf0c7a8bed74d73cbf35c04cb51410f3435a753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6a7d53dfbfcc0c8c354a24eeaf0c7a8bed74d73cbf35c04cb51410f3435a753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a7d53dfbfcc0c8c354a24eeaf0c7a8bed74d73cbf35c04cb51410f3435a753", kill_on_drop: false }`
[INFO] [stdout] b6a7d53dfbfcc0c8c354a24eeaf0c7a8bed74d73cbf35c04cb51410f3435a753
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7da9904e51bfb60b043da7c7a5ca4e39b07de85d039c6c7079091d533a96ce0
[INFO] running `Command { std: "docker" "start" "-a" "d7da9904e51bfb60b043da7c7a5ca4e39b07de85d039c6c7079091d533a96ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling treeflection_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "d7da9904e51bfb60b043da7c7a5ca4e39b07de85d039c6c7079091d533a96ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7da9904e51bfb60b043da7c7a5ca4e39b07de85d039c6c7079091d533a96ce0", kill_on_drop: false }`
[INFO] [stdout] d7da9904e51bfb60b043da7c7a5ca4e39b07de85d039c6c7079091d533a96ce0
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcbdba4ef10385ed1cb8e1ba7adf655cc53be1edba4444f54ee68d71ee8dc37c
[INFO] running `Command { std: "docker" "start" "-a" "dcbdba4ef10385ed1cb8e1ba7adf655cc53be1edba4444f54ee68d71ee8dc37c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling treeflection_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling treeflection v0.1.35
[INFO] [stdout] error: 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: `#[deny(legacy_derive_helpers)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SimpleEnum` is never used
[INFO] [stdout]    --> tests/test.rs:281:6
[INFO] [stdout]     |
[INFO] [stdout] 281 | enum SimpleEnum {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `treeflection_derive` (test "test") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "dcbdba4ef10385ed1cb8e1ba7adf655cc53be1edba4444f54ee68d71ee8dc37c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbdba4ef10385ed1cb8e1ba7adf655cc53be1edba4444f54ee68d71ee8dc37c", kill_on_drop: false }`
[INFO] [stdout] dcbdba4ef10385ed1cb8e1ba7adf655cc53be1edba4444f54ee68d71ee8dc37c