[INFO] fetching crate rusty_chain 0.1.18...
[INFO] checking rusty_chain-0.1.18 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] extracting crate rusty_chain 0.1.18 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rusty_chain 0.1.18
[INFO] finished tweaking crates.io crate rusty_chain 0.1.18
[INFO] tweaked toml for crates.io crate rusty_chain 0.1.18 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty_chain 0.1.18 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rusty_chain 0.1.18 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df431b74394e8b9a29c6eadee472c2284299966fd8ddcc28f0b95cb1e2c39695
[INFO] running `Command { std: "docker" "start" "-a" "df431b74394e8b9a29c6eadee472c2284299966fd8ddcc28f0b95cb1e2c39695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df431b74394e8b9a29c6eadee472c2284299966fd8ddcc28f0b95cb1e2c39695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df431b74394e8b9a29c6eadee472c2284299966fd8ddcc28f0b95cb1e2c39695", kill_on_drop: false }`
[INFO] [stdout] df431b74394e8b9a29c6eadee472c2284299966fd8ddcc28f0b95cb1e2c39695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47d48016d1dc7d7b8394f69cccbff6131366233308931f6020cd34d5fd9ee2f8
[INFO] running `Command { std: "docker" "start" "-a" "47d48016d1dc7d7b8394f69cccbff6131366233308931f6020cd34d5fd9ee2f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling async-trait v0.1.71
[INFO] [stderr]    Compiling paste v1.0.13
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling syn v2.0.23
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking dashmap v5.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking rusty_chain v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `parent_id`, `name`, and `children_image_bytes` are never read
[INFO] [stdout]   --> examples/mapper.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub struct ParentModel {
[INFO] [stdout]    |                ----------- fields in this struct
[INFO] [stdout] 54 |         pub parent_id: i32,
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout] 55 |         pub name: String,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 56 |         pub children_image_bytes: Vec<Vec<u8>>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParentModel` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_chain` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name rusty_chain --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=593566cea562e9bb -C extra-filename=-340d32d8b1f14273 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-ea0d8f73deafe351.so --extern chrono=/opt/rustwide/target/debug/deps/libchrono-acfaf5eded757781.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-b0fbb03912dc2c41.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-bbda35775f686321.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-6ba4dc8cb34345aa.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-01130cbbf5389723.so --extern rand=/opt/rustwide/target/debug/deps/librand-a98d6b8596853faf.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-0fb7970347154e3f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-490b81989c23b10d.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "47d48016d1dc7d7b8394f69cccbff6131366233308931f6020cd34d5fd9ee2f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d48016d1dc7d7b8394f69cccbff6131366233308931f6020cd34d5fd9ee2f8", kill_on_drop: false }`
[INFO] [stdout] 47d48016d1dc7d7b8394f69cccbff6131366233308931f6020cd34d5fd9ee2f8