[INFO] fetching crate nitka 0.4.1...
[INFO] testing nitka-0.4.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate nitka 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate nitka 0.4.1
[INFO] finished tweaking crates.io crate nitka 0.4.1
[INFO] tweaked toml for crates.io crate nitka 0.4.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nitka 0.4.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 441 packages to latest compatible versions
[INFO] [stderr]       Adding fake v2.10.0 (available: v4.4.0)
[INFO] [stderr]       Adding near-workspaces v0.14.1 (available: v0.21.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6842a22854aedbd4363b0e69dca934b2cce05c22cdd5e9c397b16945deb14d4
[INFO] running `Command { std: "docker" "start" "-a" "b6842a22854aedbd4363b0e69dca934b2cce05c22cdd5e9c397b16945deb14d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6842a22854aedbd4363b0e69dca934b2cce05c22cdd5e9c397b16945deb14d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6842a22854aedbd4363b0e69dca934b2cce05c22cdd5e9c397b16945deb14d4", kill_on_drop: false }`
[INFO] [stdout] b6842a22854aedbd4363b0e69dca934b2cce05c22cdd5e9c397b16945deb14d4
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7124e7eece6b72e65161512721c81b2957c92b7a226d4d3a73f6225aad623b37
[INFO] running `Command { std: "docker" "start" "-a" "7124e7eece6b72e65161512721c81b2957c92b7a226d4d3a73f6225aad623b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling toml_edit v0.23.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]    Compiling borsh v1.5.7
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling webpki-roots v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.186
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cxx v1.0.186
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling secp256k1-sys v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling near-structs-checker-macro v0.26.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling near-structs-checker-core v0.26.0
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling near-structs-checker-lib v0.26.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling password-hash v0.4.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling uriparse v0.6.4
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling json_comments v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling is_executable v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling near-sandbox-utils v0.10.0
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling near-stdx v0.26.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling regex v1.11.3
[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/1.90.0-x86_64-unknown-linux-gnu/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"' --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=aaecaef9e1f37420 -C extra-filename=-537aa03139e93ea5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ac205d8f6552b6d3.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-38a697d140d065be.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3a6dab176a891c13.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7124e7eece6b72e65161512721c81b2957c92b7a226d4d3a73f6225aad623b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7124e7eece6b72e65161512721c81b2957c92b7a226d4d3a73f6225aad623b37", kill_on_drop: false }`
[INFO] [stdout] 7124e7eece6b72e65161512721c81b2957c92b7a226d4d3a73f6225aad623b37