[INFO] fetching crate soma-core 2.0.2...
[INFO] testing soma-core-2.0.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate soma-core 2.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate soma-core 2.0.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate soma-core 2.0.2
[INFO] tweaked toml for crates.io crate soma-core 2.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate soma-core 2.0.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate soma-core 2.0.2 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7fd0a43d348a9db822d0ee187d734ae4131ed78886754363b296c75bc57fb52
[INFO] running `Command { std: "docker" "start" "-a" "b7fd0a43d348a9db822d0ee187d734ae4131ed78886754363b296c75bc57fb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7fd0a43d348a9db822d0ee187d734ae4131ed78886754363b296c75bc57fb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fd0a43d348a9db822d0ee187d734ae4131ed78886754363b296c75bc57fb52", kill_on_drop: false }`
[INFO] [stdout] b7fd0a43d348a9db822d0ee187d734ae4131ed78886754363b296c75bc57fb52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ddd227555e8e7b8175954c9bdca13c7531a72bc809d43177eb08a62049845d
[INFO] running `Command { std: "docker" "start" "-a" "28ddd227555e8e7b8175954c9bdca13c7531a72bc809d43177eb08a62049845d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling cc v1.2.25
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_builder v4.5.39
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling zerovec v0.11.2
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling clap v4.5.39
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling soma-core v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SerializableSystemMetrics` is never constructed
[INFO] [stdout]    --> src/cli/meta_reflective.rs:840:8
[INFO] [stdout]     |
[INFO] [stdout] 840 | struct SerializableSystemMetrics {
[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 55.76s
[INFO] running `Command { std: "docker" "inspect" "28ddd227555e8e7b8175954c9bdca13c7531a72bc809d43177eb08a62049845d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ddd227555e8e7b8175954c9bdca13c7531a72bc809d43177eb08a62049845d", kill_on_drop: false }`
[INFO] [stdout] 28ddd227555e8e7b8175954c9bdca13c7531a72bc809d43177eb08a62049845d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea80964ac7f3a7f4171f5fbee00f1f77846fe9f35618ed31b1e07fcb8a34948c
[INFO] running `Command { std: "docker" "start" "-a" "ea80964ac7f3a7f4171f5fbee00f1f77846fe9f35618ed31b1e07fcb8a34948c", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling soma-core v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `SerializableSystemMetrics` is never constructed
[INFO] [stdout]    --> src/cli/meta_reflective.rs:840:8
[INFO] [stdout]     |
[INFO] [stdout] 840 | struct SerializableSystemMetrics {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SerializableSystemMetrics` is never constructed
[INFO] [stdout]    --> src/cli/meta_reflective.rs:840:8
[INFO] [stdout]     |
[INFO] [stdout] 840 | struct SerializableSystemMetrics {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `soma-core` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name soma_core --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=84b17b7b919e614c -C extra-filename=-afa8062e79568da7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-3e37c1edf16524e0.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-f531a8872c2ebca0.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-5848c69142764669.rlib --extern crossterm=/opt/rustwide/target/debug/deps/libcrossterm-13fc3f03c90d550d.rlib --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-584e5950295e3fe2.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-9525ab2a3753bbba.rlib --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-ac4a898a44dc0fca.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-8ced267eb48e4cb0.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f6d7427240ef305e.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-0210e5b7026a4763.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-19fc3ab0553bd941.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ea80964ac7f3a7f4171f5fbee00f1f77846fe9f35618ed31b1e07fcb8a34948c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea80964ac7f3a7f4171f5fbee00f1f77846fe9f35618ed31b1e07fcb8a34948c", kill_on_drop: false }`
[INFO] [stdout] ea80964ac7f3a7f4171f5fbee00f1f77846fe9f35618ed31b1e07fcb8a34948c
