[INFO] fetching crate weavegraph 0.1.0-alpha.7...
[INFO] testing weavegraph-0.1.0-alpha.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate weavegraph 0.1.0-alpha.7 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate weavegraph 0.1.0-alpha.7
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate weavegraph 0.1.0-alpha.7
[INFO] tweaked toml for crates.io crate weavegraph 0.1.0-alpha.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate weavegraph 0.1.0-alpha.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 weavegraph 0.1.0-alpha.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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e255bcf70a5bdba3df18836d83bd4d38896ab025a72585444b69c8f751119fa
[INFO] running `Command { std: "docker" "start" "-a" "9e255bcf70a5bdba3df18836d83bd4d38896ab025a72585444b69c8f751119fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e255bcf70a5bdba3df18836d83bd4d38896ab025a72585444b69c8f751119fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e255bcf70a5bdba3df18836d83bd4d38896ab025a72585444b69c8f751119fa", kill_on_drop: false }`
[INFO] [stdout] 9e255bcf70a5bdba3df18836d83bd4d38896ab025a72585444b69c8f751119fa
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e50de00be152399db0ad515ba932e089e654363aea1257bdc9150e7ed8f96f13
[INFO] running `Command { std: "docker" "start" "-a" "e50de00be152399db0ad515ba932e089e654363aea1257bdc9150e7ed8f96f13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[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 serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling rustls-webpki v0.103.7
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[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 v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling sqlx-core v0.8.6
[INFO] [stderr]    Compiling sqlx-sqlite v0.8.6
[INFO] [stderr]    Compiling sqlx-macros-core v0.8.6
[INFO] [stderr]    Compiling sqlx-macros v0.8.6
[INFO] [stderr]    Compiling sqlx v0.8.6
[INFO] [stderr]    Compiling weavegraph v0.1.0-alpha.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `what` is never read
[INFO] [stdout]    --> src/node.rs:314:20
[INFO] [stdout]     |
[INFO] [stdout] 314 |     MissingInput { what: &'static str },
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `session_id` is never read
[INFO] [stdout]    --> src/runtimes/checkpointer.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 146 |     NotFound { session_id: String },
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `message` is never read
[INFO] [stdout]    --> src/runtimes/checkpointer.rs:154:15
[INFO] [stdout]     |
[INFO] [stdout] 154 |     Backend { message: String },
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]    --> src/runtimes/persistence.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         source: serde_json::Error,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "e50de00be152399db0ad515ba932e089e654363aea1257bdc9150e7ed8f96f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50de00be152399db0ad515ba932e089e654363aea1257bdc9150e7ed8f96f13", kill_on_drop: false }`
[INFO] [stdout] e50de00be152399db0ad515ba932e089e654363aea1257bdc9150e7ed8f96f13
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3bd6554bdae3ad71f0ee8890b11539ce5e4b45c5212efbf0391b9d815a3a0ea
[INFO] running `Command { std: "docker" "start" "-a" "c3bd6554bdae3ad71f0ee8890b11539ce5e4b45c5212efbf0391b9d815a3a0ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling async-task v4.7.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling async-lock v3.4.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=a85348af3e351f07 -C extra-filename=-c1c62fdedc196a6a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c3bd6554bdae3ad71f0ee8890b11539ce5e4b45c5212efbf0391b9d815a3a0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bd6554bdae3ad71f0ee8890b11539ce5e4b45c5212efbf0391b9d815a3a0ea", kill_on_drop: false }`
[INFO] [stdout] c3bd6554bdae3ad71f0ee8890b11539ce5e4b45c5212efbf0391b9d815a3a0ea