[INFO] fetching crate serde-versions-derive 0.0.5...
[INFO] testing serde-versions-derive-0.0.5 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate serde-versions-derive 0.0.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate serde-versions-derive 0.0.5
[INFO] finished tweaking crates.io crate serde-versions-derive 0.0.5
[INFO] tweaked toml for crates.io crate serde-versions-derive 0.0.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-versions-derive 0.0.5 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7e470970dde4d3efd12dc94adb48761f389b077fdce61b7183f3f1f451a6cd3
[INFO] running `Command { std: "docker" "start" "-a" "f7e470970dde4d3efd12dc94adb48761f389b077fdce61b7183f3f1f451a6cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e470970dde4d3efd12dc94adb48761f389b077fdce61b7183f3f1f451a6cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e470970dde4d3efd12dc94adb48761f389b077fdce61b7183f3f1f451a6cd3", kill_on_drop: false }`
[INFO] [stdout] f7e470970dde4d3efd12dc94adb48761f389b077fdce61b7183f3f1f451a6cd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e44ff06933cd06c9ac0a471c7b4902bf5b314ca378f21cd7a3fc56c1e192256
[INFO] running `Command { std: "docker" "start" "-a" "1e44ff06933cd06c9ac0a471c7b4902bf5b314ca378f21cd7a3fc56c1e192256", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde-versions-derive v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "1e44ff06933cd06c9ac0a471c7b4902bf5b314ca378f21cd7a3fc56c1e192256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e44ff06933cd06c9ac0a471c7b4902bf5b314ca378f21cd7a3fc56c1e192256", kill_on_drop: false }`
[INFO] [stdout] 1e44ff06933cd06c9ac0a471c7b4902bf5b314ca378f21cd7a3fc56c1e192256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb378e37ab8e15853ac0b618cba8fe115dd29bec4052709ff3d8464a274f7985
[INFO] running `Command { std: "docker" "start" "-a" "eb378e37ab8e15853ac0b618cba8fe115dd29bec4052709ff3d8464a274f7985", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde-versions-derive v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stdout] error: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> tests/test.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[version(3)]
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout] 5 | #[derive(Clone, Serialize, Deserialize)]
[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]   = note: this error originates in the attribute macro `version` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> tests/test.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[version(33)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout] 13 | #[derive(Clone, Serialize, Deserialize)]
[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: this error originates in the attribute macro `version` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde-versions-derive` (test "test") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "eb378e37ab8e15853ac0b618cba8fe115dd29bec4052709ff3d8464a274f7985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb378e37ab8e15853ac0b618cba8fe115dd29bec4052709ff3d8464a274f7985", kill_on_drop: false }`
[INFO] [stdout] eb378e37ab8e15853ac0b618cba8fe115dd29bec4052709ff3d8464a274f7985
