[INFO] fetching crate varlink_derive 8.0.0...
[INFO] testing varlink_derive-8.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate varlink_derive 8.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate varlink_derive 8.0.0
[INFO] finished tweaking crates.io crate varlink_derive 8.0.0
[INFO] tweaked toml for crates.io crate varlink_derive 8.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate varlink_derive 8.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding varlink_generator v8.0.0 (available: v10.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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 `varlink_derive` library target)
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49c51cce014ed8eb565e88c07c898fe7c402d5e2b9f3b15693d4e419dcef72fe
[INFO] running `Command { std: "docker" "start" "-a" "49c51cce014ed8eb565e88c07c898fe7c402d5e2b9f3b15693d4e419dcef72fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c51cce014ed8eb565e88c07c898fe7c402d5e2b9f3b15693d4e419dcef72fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c51cce014ed8eb565e88c07c898fe7c402d5e2b9f3b15693d4e419dcef72fe", kill_on_drop: false }`
[INFO] [stdout] 49c51cce014ed8eb565e88c07c898fe7c402d5e2b9f3b15693d4e419dcef72fe
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05fd5717cd7a21a0d327b94a721af7905a91c46544ed699de9910931a8d280ea
[INFO] running `Command { std: "docker" "start" "-a" "05fd5717cd7a21a0d327b94a721af7905a91c46544ed699de9910931a8d280ea", 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 `varlink_derive` library target)
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling chainerror v0.7.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling chainerror v0.4.3
[INFO] [stdout] error[E0119]: conflicting implementations of trait `std::error::Error` for type `&ChainError<_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/chainerror-0.4.3/src/lib.rs:493:1
[INFO] [stdout]     |
[INFO] [stdout] 493 | impl<T: 'static + Display + Debug> Error for &ChainError<T> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: conflicting implementation in crate `core`:
[INFO] [stdout]             - impl<'a, T> std::error::Error for &'a T
[INFO] [stdout]               where T: std::error::Error, T: ?Sized;
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0119`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chainerror` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "05fd5717cd7a21a0d327b94a721af7905a91c46544ed699de9910931a8d280ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fd5717cd7a21a0d327b94a721af7905a91c46544ed699de9910931a8d280ea", kill_on_drop: false }`
[INFO] [stdout] 05fd5717cd7a21a0d327b94a721af7905a91c46544ed699de9910931a8d280ea