[INFO] fetching crate serde_columnar_derive 0.3.7...
[INFO] testing serde_columnar_derive-0.3.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serde_columnar_derive 0.3.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate serde_columnar_derive 0.3.7
[INFO] finished tweaking crates.io crate serde_columnar_derive 0.3.7
[INFO] tweaked toml for crates.io crate serde_columnar_derive 0.3.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_columnar_derive 0.3.7 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_columnar_derive 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f3be750348949f4cf7085e65077573d7514b1e38f1c2a5f7254fd3bc533bb67
[INFO] running `Command { std: "docker" "start" "-a" "0f3be750348949f4cf7085e65077573d7514b1e38f1c2a5f7254fd3bc533bb67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f3be750348949f4cf7085e65077573d7514b1e38f1c2a5f7254fd3bc533bb67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3be750348949f4cf7085e65077573d7514b1e38f1c2a5f7254fd3bc533bb67", kill_on_drop: false }`
[INFO] [stdout] 0f3be750348949f4cf7085e65077573d7514b1e38f1c2a5f7254fd3bc533bb67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a68516ef8db5e03ac5eb5dd59154cf79b68131ade39617c78114708fe7465bb5
[INFO] running `Command { std: "docker" "start" "-a" "a68516ef8db5e03ac5eb5dd59154cf79b68131ade39617c78114708fe7465bb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling serde_columnar_derive v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "a68516ef8db5e03ac5eb5dd59154cf79b68131ade39617c78114708fe7465bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68516ef8db5e03ac5eb5dd59154cf79b68131ade39617c78114708fe7465bb5", kill_on_drop: false }`
[INFO] [stdout] a68516ef8db5e03ac5eb5dd59154cf79b68131ade39617c78114708fe7465bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67759b5ae5d70044a027d3d2b6fbb038d37ec5003579c635b22d6c923da13184
[INFO] running `Command { std: "docker" "start" "-a" "67759b5ae5d70044a027d3d2b6fbb038d37ec5003579c635b22d6c923da13184", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_columnar_derive v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "67759b5ae5d70044a027d3d2b6fbb038d37ec5003579c635b22d6c923da13184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67759b5ae5d70044a027d3d2b6fbb038d37ec5003579c635b22d6c923da13184", kill_on_drop: false }`
[INFO] [stdout] 67759b5ae5d70044a027d3d2b6fbb038d37ec5003579c635b22d6c923da13184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34879b7ba05ae8a4a967912e7e031474ffd6de45015b2cc59d1ca27c4d90abcc
[INFO] running `Command { std: "docker" "start" "-a" "34879b7ba05ae8a4a967912e7e031474ffd6de45015b2cc59d1ca27c4d90abcc", 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/serde_columnar_derive-a82236b2ef5b5a16)
[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" "34879b7ba05ae8a4a967912e7e031474ffd6de45015b2cc59d1ca27c4d90abcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34879b7ba05ae8a4a967912e7e031474ffd6de45015b2cc59d1ca27c4d90abcc", kill_on_drop: false }`
[INFO] [stdout] 34879b7ba05ae8a4a967912e7e031474ffd6de45015b2cc59d1ca27c4d90abcc