[INFO] fetching crate serialzero 0.1.0...
[INFO] testing serialzero-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serialzero 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serialzero 0.1.0
[INFO] finished tweaking crates.io crate serialzero 0.1.0
[INFO] tweaked toml for crates.io crate serialzero 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialzero 0.1.0 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] crate crates.io crate serialzero 0.1.0 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-2025-09-21" "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] e3877df74a2dc660d831d1a7733c1b948fea4b998042e1930c99aaac2cbb7bf9
[INFO] running `Command { std: "docker" "start" "-a" "e3877df74a2dc660d831d1a7733c1b948fea4b998042e1930c99aaac2cbb7bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3877df74a2dc660d831d1a7733c1b948fea4b998042e1930c99aaac2cbb7bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3877df74a2dc660d831d1a7733c1b948fea4b998042e1930c99aaac2cbb7bf9", kill_on_drop: false }`
[INFO] [stdout] e3877df74a2dc660d831d1a7733c1b948fea4b998042e1930c99aaac2cbb7bf9
[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] 76079d26ca82014e6a7f9449300f7b428fd41fb8ee37257bfcfb1f99b36336ca
[INFO] running `Command { std: "docker" "start" "-a" "76079d26ca82014e6a7f9449300f7b428fd41fb8ee37257bfcfb1f99b36336ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialzero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "76079d26ca82014e6a7f9449300f7b428fd41fb8ee37257bfcfb1f99b36336ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76079d26ca82014e6a7f9449300f7b428fd41fb8ee37257bfcfb1f99b36336ca", kill_on_drop: false }`
[INFO] [stdout] 76079d26ca82014e6a7f9449300f7b428fd41fb8ee37257bfcfb1f99b36336ca
[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] 3cbd0834652ce928165a96fc2b1532c48304392c419729d74b147cd77b1005f3
[INFO] running `Command { std: "docker" "start" "-a" "3cbd0834652ce928165a96fc2b1532c48304392c419729d74b147cd77b1005f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialzero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "3cbd0834652ce928165a96fc2b1532c48304392c419729d74b147cd77b1005f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbd0834652ce928165a96fc2b1532c48304392c419729d74b147cd77b1005f3", kill_on_drop: false }`
[INFO] [stdout] 3cbd0834652ce928165a96fc2b1532c48304392c419729d74b147cd77b1005f3
[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] 2d79768a3549e8ed9ad3e879803676b06447372b7cfe50686be96b43fb95c918
[INFO] running `Command { std: "docker" "start" "-a" "2d79768a3549e8ed9ad3e879803676b06447372b7cfe50686be96b43fb95c918", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serialzero-5b5fbbb89be187ea)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_parse_null ... ok
[INFO] [stdout] test tests::test_parse_bool ... ok
[INFO] [stdout] test tests::test_parse_array ... ok
[INFO] [stdout] test tests::test_parse_object ... ok
[INFO] [stdout] test tests::test_json_macro ... ok
[INFO] [stdout] test tests::test_parse_number ... ok
[INFO] [stdout] test tests::test_parse_string ... ok
[INFO] [stdout] test tests::test_serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serialzero
[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" "2d79768a3549e8ed9ad3e879803676b06447372b7cfe50686be96b43fb95c918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d79768a3549e8ed9ad3e879803676b06447372b7cfe50686be96b43fb95c918", kill_on_drop: false }`
[INFO] [stdout] 2d79768a3549e8ed9ad3e879803676b06447372b7cfe50686be96b43fb95c918