[INFO] cloning repository https://github.com/lj5645/tracker-enhanced
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lj5645/tracker-enhanced" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flj5645%2Ftracker-enhanced", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flj5645%2Ftracker-enhanced'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 311971fafb4f95dc4455bff895e620577aa6c242
[INFO] testing lj5645/tracker-enhanced against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flj5645%2Ftracker-enhanced" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lj5645/tracker-enhanced
[INFO] finished tweaking git repo https://github.com/lj5645/tracker-enhanced
[INFO] tweaked toml for git repo https://github.com/lj5645/tracker-enhanced written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lj5645/tracker-enhanced 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 git repo https://github.com/lj5645/tracker-enhanced 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]     Updating metrics v0.24.1 -> v0.24.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 497055f1a0c8c72e336e2e3020d576fa36147b1c33de649b2ec52405000e38bf
[INFO] running `Command { std: "docker" "start" "-a" "497055f1a0c8c72e336e2e3020d576fa36147b1c33de649b2ec52405000e38bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497055f1a0c8c72e336e2e3020d576fa36147b1c33de649b2ec52405000e38bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497055f1a0c8c72e336e2e3020d576fa36147b1c33de649b2ec52405000e38bf", kill_on_drop: false }`
[INFO] [stdout] 497055f1a0c8c72e336e2e3020d576fa36147b1c33de649b2ec52405000e38bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aa1881da6aa76c4659daa8f55160cb78139604516f8f064e718113bbbafabfc5
[INFO] running `Command { std: "docker" "start" "-a" "aa1881da6aa76c4659daa8f55160cb78139604516f8f064e718113bbbafabfc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling bitflags v2.7.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling aws-lc-rs v1.12.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling raw-cpuid v11.2.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling rustls v0.23.21
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling sketches-ddsketch v0.3.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ipnet v2.10.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling cc v1.2.9
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling ordered-float v4.6.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling lockfree v0.5.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling quanta v0.12.5
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling aws-lc-sys v0.24.1
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.39
[INFO] [stderr]    Compiling glommio v0.9.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling rlimit v0.6.2
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling intrusive-collections v0.9.7
[INFO] [stderr]    Compiling enclose v1.2.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling bitmaps v3.2.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling sketches-ddsketch v0.1.3
[INFO] [stderr]    Compiling aquatic_toml_config_derive v0.9.0 (/opt/rustwide/workdir/crates/toml_config_derive)
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling simplelog v0.12.2
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling buddy-alloc v0.4.2
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling mimalloc v0.1.43
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling blake3 v1.5.5
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling io-uring v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling winnow v0.6.24
[INFO] [stderr]    Compiling clap_builder v4.5.26
[INFO] [stderr]    Compiling humanize-bytes v1.0.6
[INFO] [stderr]    Compiling nonblock v0.2.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr] error: could not compile `object` (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 object --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/object-0.36.7/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="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' --cfg 'feature="xcoff"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("all", "alloc", "archive", "build", "build_core", "cargo-all", "coff", "compiler_builtins", "compression", "core", "default", "doc", "elf", "macho", "pe", "read", "read_core", "rustc-dep-of-std", "std", "unaligned", "unstable", "unstable-all", "wasm", "write", "write_core", "write_std", "xcoff"))' -C metadata=ad21d6ee77221b62 -C extra-filename=-4418fbd06a0b9ada --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-b178a40a7718f9bf.rmeta --cap-lints allow --cap-lints=warn --cfg core_error --check-cfg 'cfg(core_error)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-2.0.96/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-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=328f1bc526cbdbbf -C extra-filename=-114a5dbe50f9d519 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5bcccf0dad1cb673.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-27dc9ea7c1e6da2e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-479310822a796184.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "aa1881da6aa76c4659daa8f55160cb78139604516f8f064e718113bbbafabfc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1881da6aa76c4659daa8f55160cb78139604516f8f064e718113bbbafabfc5", kill_on_drop: false }`
[INFO] [stdout] aa1881da6aa76c4659daa8f55160cb78139604516f8f064e718113bbbafabfc5
