[INFO] fetching crate derive-serialize-into 0.3.1...
[INFO] documenting derive-serialize-into-0.3.1 against beta-2025-04-20 for beta-1.87-rustdoc-2
[INFO] extracting crate derive-serialize-into 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate derive-serialize-into 0.3.1 on toolchain beta-2025-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate derive-serialize-into 0.3.1
[INFO] finished tweaking crates.io crate derive-serialize-into 0.3.1
[INFO] tweaked toml for crates.io crate derive-serialize-into 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding quote v0.5.2 (available: v1.0.40)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.11.1)
[INFO] [stderr]       Adding syn v0.13.11 (available: v2.0.100)
[INFO] [stderr]       Adding try_from v0.2.2 (available: v0.3.2)
[INFO] [stderr]       Adding validator v0.6.3 (available: v0.20.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87f6c2741ab2e610f127ec94f9ca66230902b1473ece200be35f0d0500d25972
[INFO] running `Command { std: "docker" "start" "-a" "87f6c2741ab2e610f127ec94f9ca66230902b1473ece200be35f0d0500d25972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87f6c2741ab2e610f127ec94f9ca66230902b1473ece200be35f0d0500d25972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f6c2741ab2e610f127ec94f9ca66230902b1473ece200be35f0d0500d25972", kill_on_drop: false }`
[INFO] [stdout] 87f6c2741ab2e610f127ec94f9ca66230902b1473ece200be35f0d0500d25972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7bf3d01b78e0e94847de0610b5d5ebda8a92a9472c2a76bca5a42e36743e5b1
[INFO] running `Command { std: "docker" "start" "-a" "d7bf3d01b78e0e94847de0610b5d5ebda8a92a9472c2a76bca5a42e36743e5b1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking proc-macro2 v0.3.8
[INFO] [stderr]     Checking quote v0.5.2
[INFO] [stderr]     Checking syn v0.13.11
[INFO] [stderr]  Documenting derive-serialize-into v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/derive_serialize_into/index.html
[INFO] running `Command { std: "docker" "inspect" "d7bf3d01b78e0e94847de0610b5d5ebda8a92a9472c2a76bca5a42e36743e5b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bf3d01b78e0e94847de0610b5d5ebda8a92a9472c2a76bca5a42e36743e5b1", kill_on_drop: false }`
[INFO] [stdout] d7bf3d01b78e0e94847de0610b5d5ebda8a92a9472c2a76bca5a42e36743e5b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0538d5d78ecfc246c3b6c65b07fd8a60a9ec6a3fbe421d47633e86cdd4587a5a
[INFO] running `Command { std: "docker" "start" "-a" "0538d5d78ecfc246c3b6c65b07fd8a60a9ec6a3fbe421d47633e86cdd4587a5a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Documenting derive-serialize-into v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/derive_serialize_into/index.html
[INFO] running `Command { std: "docker" "inspect" "0538d5d78ecfc246c3b6c65b07fd8a60a9ec6a3fbe421d47633e86cdd4587a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0538d5d78ecfc246c3b6c65b07fd8a60a9ec6a3fbe421d47633e86cdd4587a5a", kill_on_drop: false }`
[INFO] [stdout] 0538d5d78ecfc246c3b6c65b07fd8a60a9ec6a3fbe421d47633e86cdd4587a5a