[INFO] fetching crate silos 0.1.2...
[INFO] testing silos-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate silos 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate silos 0.1.2
[INFO] finished tweaking crates.io crate silos 0.1.2
[INFO] tweaked toml for crates.io crate silos 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate silos 0.1.2 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 silos 0.1.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8e6411f476d5ec7f0381a9893fe115dbbd053fec9ba8e4eb92f18d0299eff67d
[INFO] running `Command { std: "docker" "start" "-a" "8e6411f476d5ec7f0381a9893fe115dbbd053fec9ba8e4eb92f18d0299eff67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6411f476d5ec7f0381a9893fe115dbbd053fec9ba8e4eb92f18d0299eff67d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6411f476d5ec7f0381a9893fe115dbbd053fec9ba8e4eb92f18d0299eff67d", kill_on_drop: false }`
[INFO] [stdout] 8e6411f476d5ec7f0381a9893fe115dbbd053fec9ba8e4eb92f18d0299eff67d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 87c5d9eb305171e319b6fe7dd1cf51336346dae7604391b862191cfe8a5b8bfd
[INFO] running `Command { std: "docker" "start" "-a" "87c5d9eb305171e319b6fe7dd1cf51336346dae7604391b862191cfe8a5b8bfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]    Compiling rustix v0.38.40
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling fastrand v2.2.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling silos v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Data;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.10s
[INFO] running `Command { std: "docker" "inspect" "87c5d9eb305171e319b6fe7dd1cf51336346dae7604391b862191cfe8a5b8bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87c5d9eb305171e319b6fe7dd1cf51336346dae7604391b862191cfe8a5b8bfd", kill_on_drop: false }`
[INFO] [stdout] 87c5d9eb305171e319b6fe7dd1cf51336346dae7604391b862191cfe8a5b8bfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c67130ebffce1e41a3628760d48fdafe4a3826ad081cdbecd0175f72a47cfdd2
[INFO] running `Command { std: "docker" "start" "-a" "c67130ebffce1e41a3628760d48fdafe4a3826ad081cdbecd0175f72a47cfdd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling silos v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/main.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Data;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "c67130ebffce1e41a3628760d48fdafe4a3826ad081cdbecd0175f72a47cfdd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67130ebffce1e41a3628760d48fdafe4a3826ad081cdbecd0175f72a47cfdd2", kill_on_drop: false }`
[INFO] [stdout] c67130ebffce1e41a3628760d48fdafe4a3826ad081cdbecd0175f72a47cfdd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b3df83722804c4278bdab4f2c0554dc45f146046745cbecd8d148dea28eeeb37
[INFO] running `Command { std: "docker" "start" "-a" "b3df83722804c4278bdab4f2c0554dc45f146046745cbecd8d148dea28eeeb37", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Data` is never constructed
[INFO] [stderr]   --> src/main.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Data;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `silos` (bin "silos" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/silos-ee142bdcc72908f5)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_convert_json_to_yaml ... ok
[INFO] [stdout] test tests::test_convert_yaml_to_json ... ok
[INFO] [stdout] test tests::test_invalid_yaml_conversion ... ok
[INFO] [stdout] test tests::test_invalid_json_conversion ... ok
[INFO] [stdout] test tests::test_write_to_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3df83722804c4278bdab4f2c0554dc45f146046745cbecd8d148dea28eeeb37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3df83722804c4278bdab4f2c0554dc45f146046745cbecd8d148dea28eeeb37", kill_on_drop: false }`
[INFO] [stdout] b3df83722804c4278bdab4f2c0554dc45f146046745cbecd8d148dea28eeeb37