[INFO] fetching crate rust-guardian 0.1.1...
[INFO] testing rust-guardian-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rust-guardian 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rust-guardian 0.1.1
[INFO] finished tweaking crates.io crate rust-guardian 0.1.1
[INFO] tweaked toml for crates.io crate rust-guardian 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-guardian 0.1.1 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 rust-guardian 0.1.1 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cf4047461465288937c83250a808085ee74b7c45395880d491a8f0125d9042c0
[INFO] running `Command { std: "docker" "start" "-a" "cf4047461465288937c83250a808085ee74b7c45395880d491a8f0125d9042c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf4047461465288937c83250a808085ee74b7c45395880d491a8f0125d9042c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4047461465288937c83250a808085ee74b7c45395880d491a8f0125d9042c0", kill_on_drop: false }`
[INFO] [stdout] cf4047461465288937c83250a808085ee74b7c45395880d491a8f0125d9042c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0824513128bb58952a293e460bcad8b349410fb86063a143b74d16f5e425787b
[INFO] running `Command { std: "docker" "start" "-a" "0824513128bb58952a293e460bcad8b349410fb86063a143b74d16f5e425787b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling clap_builder v4.5.58
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling uuid v1.21.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling clap v4.5.58
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling rust-guardian v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.96s
[INFO] running `Command { std: "docker" "inspect" "0824513128bb58952a293e460bcad8b349410fb86063a143b74d16f5e425787b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0824513128bb58952a293e460bcad8b349410fb86063a143b74d16f5e425787b", kill_on_drop: false }`
[INFO] [stdout] 0824513128bb58952a293e460bcad8b349410fb86063a143b74d16f5e425787b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 01faed56efa649929e92fca9ba9aa2d8ef75615cb65e2b1b9e7bbf0ceeb084d2
[INFO] running `Command { std: "docker" "start" "-a" "01faed56efa649929e92fca9ba9aa2d8ef75615cb65e2b1b9e7bbf0ceeb084d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling clap_builder v4.5.58
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling anyhow v1.0.101
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr] error: could not compile `syn` (lib)
[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 syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.115/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=9be6159686a13297 -C extra-filename=-4cb3fec77d184ac3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2306e84c82f3aaa6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-027aa035d3b7b87f.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-114df360ce5d389d.rmeta --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" "01faed56efa649929e92fca9ba9aa2d8ef75615cb65e2b1b9e7bbf0ceeb084d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01faed56efa649929e92fca9ba9aa2d8ef75615cb65e2b1b9e7bbf0ceeb084d2", kill_on_drop: false }`
[INFO] [stdout] 01faed56efa649929e92fca9ba9aa2d8ef75615cb65e2b1b9e7bbf0ceeb084d2
