[INFO] fetching crate echo-library 0.0.6...
[INFO] testing echo-library-0.0.6 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate echo-library 0.0.6 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate echo-library 0.0.6
[INFO] finished tweaking crates.io crate echo-library 0.0.6
[INFO] tweaked toml for crates.io crate echo-library 0.0.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate echo-library 0.0.6 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 215 packages to latest compatible versions
[INFO] [stderr]       Adding composer-primitives v0.0.3 (available: v0.0.6)
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.11.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding starlark v0.12.0 (available: v0.13.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded allocative_derive v0.3.3
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded dupe_derive v0.9.1
[INFO] [stderr]   Downloaded dupe v0.9.1
[INFO] [stderr]   Downloaded inventory v0.3.24
[INFO] [stderr]   Downloaded lsp-types v0.94.1
[INFO] [stderr]   Downloaded fd-lock v3.0.13
[INFO] [stderr]   Downloaded lalrpop-util v0.19.12
[INFO] [stderr]   Downloaded composer-primitives v0.0.3
[INFO] [stderr]   Downloaded display_container v0.9.0
[INFO] [stderr]   Downloaded cmp_any v0.8.1
[INFO] [stderr]   Downloaded schemafy_lib v0.5.2
[INFO] [stderr]   Downloaded allocative v0.3.4
[INFO] [stderr]   Downloaded schemafy_core v0.5.2
[INFO] [stderr]   Downloaded ena v0.14.4
[INFO] [stderr]   Downloaded beef v0.5.2
[INFO] [stderr]   Downloaded logos-derive v0.12.1
[INFO] [stderr]   Downloaded starlark_map v0.12.0
[INFO] [stderr]   Downloaded debugserver-types v0.5.0
[INFO] [stderr]   Downloaded logos v0.12.1
[INFO] [stderr]   Downloaded starlark_derive v0.12.0
[INFO] [stderr]   Downloaded annotate-snippets v0.9.2
[INFO] [stderr]   Downloaded schemafy v0.5.2
[INFO] [stderr]   Downloaded rustyline v11.0.0
[INFO] [stderr]   Downloaded lalrpop v0.19.12
[INFO] [stderr]   Downloaded starlark_syntax v0.12.0
[INFO] [stderr]   Downloaded starlark v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dd8ee23b37bafbfa626f2f34ed2e22154bd4ba3f776e83851839edb75eeea0c9
[INFO] running `Command { std: "docker" "start" "-a" "dd8ee23b37bafbfa626f2f34ed2e22154bd4ba3f776e83851839edb75eeea0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8ee23b37bafbfa626f2f34ed2e22154bd4ba3f776e83851839edb75eeea0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8ee23b37bafbfa626f2f34ed2e22154bd4ba3f776e83851839edb75eeea0c9", kill_on_drop: false }`
[INFO] [stdout] dd8ee23b37bafbfa626f2f34ed2e22154bd4ba3f776e83851839edb75eeea0c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3f235d67bba2768153a1a838f32914ffeed0215b7cd90268d6f80d4c84240629
[INFO] running `Command { std: "docker" "start" "-a" "3f235d67bba2768153a1a838f32914ffeed0215b7cd90268d6f80d4c84240629", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling allocative v0.3.4
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling ena v0.14.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling starlark_map v0.12.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling annotate-snippets v0.9.2
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling starlark v0.12.0
[INFO] [stderr]    Compiling fastrand v2.4.1
[INFO] [stderr]    Compiling display_container v0.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling inventory v0.3.24
[INFO] [stderr]    Compiling cmp_any v0.8.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling fd-lock v3.0.13
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=02b38bf6363061b9 -C extra-filename=-3e0a2468d1fb4a17 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.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" "3f235d67bba2768153a1a838f32914ffeed0215b7cd90268d6f80d4c84240629", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f235d67bba2768153a1a838f32914ffeed0215b7cd90268d6f80d4c84240629", kill_on_drop: false }`
[INFO] [stdout] 3f235d67bba2768153a1a838f32914ffeed0215b7cd90268d6f80d4c84240629