[INFO] fetching crate derive-default-from-serde 0.1.3...
[INFO] testing derive-default-from-serde-0.1.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate derive-default-from-serde 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate derive-default-from-serde 0.1.3
[INFO] finished tweaking crates.io crate derive-default-from-serde 0.1.3
[INFO] tweaked toml for crates.io crate derive-default-from-serde 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive-default-from-serde 0.1.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1d6b6991d4bd2c18f35b01e9ab0ce0b884b8e4137479e2a093224bd2e830aa03
[INFO] running `Command { std: "docker" "start" "-a" "1d6b6991d4bd2c18f35b01e9ab0ce0b884b8e4137479e2a093224bd2e830aa03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d6b6991d4bd2c18f35b01e9ab0ce0b884b8e4137479e2a093224bd2e830aa03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6b6991d4bd2c18f35b01e9ab0ce0b884b8e4137479e2a093224bd2e830aa03", kill_on_drop: false }`
[INFO] [stdout] 1d6b6991d4bd2c18f35b01e9ab0ce0b884b8e4137479e2a093224bd2e830aa03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6737188f76985806ad2fbe3af521c9ba4f8f26ad86e1173f2f86756f7fa06e7b
[INFO] running `Command { std: "docker" "start" "-a" "6737188f76985806ad2fbe3af521c9ba4f8f26ad86e1173f2f86756f7fa06e7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling derive-default-from-serde v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "6737188f76985806ad2fbe3af521c9ba4f8f26ad86e1173f2f86756f7fa06e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6737188f76985806ad2fbe3af521c9ba4f8f26ad86e1173f2f86756f7fa06e7b", kill_on_drop: false }`
[INFO] [stdout] 6737188f76985806ad2fbe3af521c9ba4f8f26ad86e1173f2f86756f7fa06e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e56e9cbfd5c2f6b745a11af76ef7cbae211d0391c68bd5f6c8c3bbfec1d081c
[INFO] running `Command { std: "docker" "start" "-a" "5e56e9cbfd5c2f6b745a11af76ef7cbae211d0391c68bd5f6c8c3bbfec1d081c", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive-default-from-serde v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "5e56e9cbfd5c2f6b745a11af76ef7cbae211d0391c68bd5f6c8c3bbfec1d081c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e56e9cbfd5c2f6b745a11af76ef7cbae211d0391c68bd5f6c8c3bbfec1d081c", kill_on_drop: false }`
[INFO] [stdout] 5e56e9cbfd5c2f6b745a11af76ef7cbae211d0391c68bd5f6c8c3bbfec1d081c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] decaa67fb477838eee43609e286f4be529a2e4a1b7bd59760130a4626f4148f9
[INFO] running `Command { std: "docker" "start" "-a" "decaa67fb477838eee43609e286f4be529a2e4a1b7bd59760130a4626f4148f9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/derive_default_from_serde-15bd1a09b6ed9f2c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests derive_default_from_serde
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "decaa67fb477838eee43609e286f4be529a2e4a1b7bd59760130a4626f4148f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "decaa67fb477838eee43609e286f4be529a2e4a1b7bd59760130a4626f4148f9", kill_on_drop: false }`
[INFO] [stdout] decaa67fb477838eee43609e286f4be529a2e4a1b7bd59760130a4626f4148f9