[INFO] fetching crate ursa 0.3.7...
[INFO] checking ursa-0.3.7 against master#ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd for pr-103914
[INFO] extracting crate ursa 0.3.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ursa 0.3.7 on toolchain ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ursa 0.3.7
[INFO] finished tweaking crates.io crate ursa 0.3.7
[INFO] tweaked toml for crates.io crate ursa 0.3.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2-asm v0.6.2
[INFO] [stderr]   Downloaded int_traits v0.1.1
[INFO] [stderr]   Downloaded libsodium-ffi v0.2.2
[INFO] [stderr]   Downloaded bindgen v0.52.0
[INFO] [stderr]   Downloaded c2-chacha v0.2.4
[INFO] [stderr]   Downloaded ffi-support v0.4.4
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded block-modes v0.7.0
[INFO] [stderr]   Downloaded bytebuffer-rs v0.3.1
[INFO] [stderr]   Downloaded glass_pumpkin v0.4.0
[INFO] [stderr]   Downloaded amcl v0.2.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.3.0
[INFO] [stderr]   Downloaded secp256k1 v0.19.0
[INFO] [stderr]   Downloaded amcl_wrapper v0.4.0
[INFO] [stderr]   Downloaded miracl_core v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fa2bcad20ff9d391b7aa2c97c63d4f6ed1d3f79f459ef23964ef1cf70efeac5
[INFO] running `Command { std: "docker" "start" "-a" "2fa2bcad20ff9d391b7aa2c97c63d4f6ed1d3f79f459ef23964ef1cf70efeac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa2bcad20ff9d391b7aa2c97c63d4f6ed1d3f79f459ef23964ef1cf70efeac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa2bcad20ff9d391b7aa2c97c63d4f6ed1d3f79f459ef23964ef1cf70efeac5", kill_on_drop: false }`
[INFO] [stdout] 2fa2bcad20ff9d391b7aa2c97c63d4f6ed1d3f79f459ef23964ef1cf70efeac5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+ce1a7e41f96be27103b6e3ba09dcefbf5bd320bd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16e69c5514a82d069f0ab56dbb5e332d2ae79f1d575298c54e5e23a903b45e0c
[INFO] running `Command { std: "docker" "start" "-a" "16e69c5514a82d069f0ab56dbb5e332d2ae79f1d575298c54e5e23a903b45e0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking c2-chacha v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.77
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.59+curl-7.86.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking signature v1.3.2
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]    Compiling filetime v0.2.18
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking ed25519 v1.5.2
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.103/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="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"' -C metadata=f4ca2f7d54168e1f -C extra-filename=-f4ca2f7d54168e1f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1af62450dcf11fe8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2302df77fd6b8693.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-4f26ae5bfa30ad8f.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" "16e69c5514a82d069f0ab56dbb5e332d2ae79f1d575298c54e5e23a903b45e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e69c5514a82d069f0ab56dbb5e332d2ae79f1d575298c54e5e23a903b45e0c", kill_on_drop: false }`
[INFO] [stdout] 16e69c5514a82d069f0ab56dbb5e332d2ae79f1d575298c54e5e23a903b45e0c