[INFO] fetching crate zc2 0.0.5...
[INFO] testing zc2-0.0.5 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate zc2 0.0.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate zc2 0.0.5
[INFO] finished tweaking crates.io crate zc2 0.0.5
[INFO] tweaked toml for crates.io crate zc2 0.0.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zc2 0.0.5 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zc2 0.0.5 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socket2 v0.6.2
[INFO] [stderr]   Downloaded chunked_transfer v1.5.0
[INFO] [stderr]   Downloaded toml v0.7.8
[INFO] [stderr]   Downloaded zmij v1.0.19
[INFO] [stderr]   Downloaded command-macros v0.2.9
[INFO] [stderr]   Downloaded match_cfg v0.1.0
[INFO] [stderr]   Downloaded phf v0.7.24
[INFO] [stderr]   Downloaded compact_str v0.7.1
[INFO] [stderr]   Downloaded broadcast v0.1.0
[INFO] [stderr]   Downloaded cargo-lock v8.0.3
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded ascii v1.1.0
[INFO] [stderr]   Downloaded fallible v0.1.3
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded soup v0.5.1
[INFO] [stderr]   Downloaded stability v0.2.1
[INFO] [stderr]   Downloaded crossterm v0.27.0
[INFO] [stderr]   Downloaded ifaces v0.1.0
[INFO] [stderr]   Downloaded quinn-proto v0.10.6
[INFO] [stderr]   Downloaded built v0.5.2
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded hostname v0.3.1
[INFO] [stderr]   Downloaded rcgen v0.12.1
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded quinn v0.10.2
[INFO] [stderr]   Downloaded serde_yaml v0.9.25
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded ratatui v0.26.3
[INFO] [stderr]   Downloaded ryu v1.0.22
[INFO] [stderr]   Downloaded url v2.4.1
[INFO] [stderr]   Downloaded clone v0.1.2
[INFO] [stderr]   Downloaded quinn-udp v0.4.1
[INFO] [stderr]   Downloaded yasna v0.5.2
[INFO] [stderr]   Downloaded tiny_http v0.12.0
[INFO] [stderr]   Downloaded libc v0.2.181
[INFO] [stderr]   Downloaded idna v0.4.0
[INFO] [stderr]   Downloaded ureq v2.6.2
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf72002a822d6706ff7978a746d27ce8a373c6f982a60d0e7332e56dc5b3bd52
[INFO] running `Command { std: "docker" "start" "-a" "bf72002a822d6706ff7978a746d27ce8a373c6f982a60d0e7332e56dc5b3bd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf72002a822d6706ff7978a746d27ce8a373c6f982a60d0e7332e56dc5b3bd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf72002a822d6706ff7978a746d27ce8a373c6f982a60d0e7332e56dc5b3bd52", kill_on_drop: false }`
[INFO] [stdout] bf72002a822d6706ff7978a746d27ce8a373c6f982a60d0e7332e56dc5b3bd52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9e48cca32b23f1bf0b25cd5050248649ca2511df6f47ce544277f9c7578a182
[INFO] running `Command { std: "docker" "start" "-a" "f9e48cca32b23f1bf0b25cd5050248649ca2511df6f47ce544277f9c7578a182", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling zmij v1.0.19
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling compact_str v0.7.1
[INFO] [stderr]    Compiling pem v3.0.6
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling yasna v0.5.2
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling fallible v0.1.3
[INFO] [stderr]    Compiling chunked_transfer v1.5.0
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling tiny_http v0.12.0
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling webpki v0.22.4
[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/562dee4820c458d823175268e41601d4c060588a/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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=20ea603607879602 -C extra-filename=-79e1d1bc01c82f6e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fec5599a7f184630.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-de2c59b803aecfd0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f9e48cca32b23f1bf0b25cd5050248649ca2511df6f47ce544277f9c7578a182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e48cca32b23f1bf0b25cd5050248649ca2511df6f47ce544277f9c7578a182", kill_on_drop: false }`
[INFO] [stdout] f9e48cca32b23f1bf0b25cd5050248649ca2511df6f47ce544277f9c7578a182