[INFO] fetching crate ursa 0.3.7...
[INFO] checking ursa-0.3.7 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate ursa 0.3.7 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate ursa 0.3.7 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.9.8
[INFO] [stderr]   Downloaded secp256k1 v0.19.0
[INFO] [stderr]   Downloaded sha2-asm v0.6.2
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded curl v0.4.41
[INFO] [stderr]   Downloaded chacha20poly1305 v0.7.1
[INFO] [stderr]   Downloaded ffi-support v0.4.4
[INFO] [stderr]   Downloaded crypto-mac v0.8.0
[INFO] [stderr]   Downloaded ed25519 v1.3.0
[INFO] [stderr]   Downloaded ecdsa v0.12.4
[INFO] [stderr]   Downloaded zeroize_derive v1.2.2
[INFO] [stderr]   Downloaded cpuid-bool v0.2.0
[INFO] [stderr]   Downloaded crypto-bigint v0.2.11
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] [stderr]   Downloaded aead v0.3.2
[INFO] [stderr]   Downloaded aes-soft v0.6.4
[INFO] [stderr]   Downloaded hkdf v0.11.0
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.0
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded der v0.4.4
[INFO] [stderr]   Downloaded signature v1.3.2
[INFO] [stderr]   Downloaded miracl_core v1.0.0
[INFO] [stderr]   Downloaded int_traits v0.1.1
[INFO] [stderr]   Downloaded amcl v0.2.0
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded cipher v0.2.5
[INFO] [stderr]   Downloaded serde_bytes v0.11.5
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.1
[INFO] [stderr]   Downloaded poly1305 v0.6.2
[INFO] [stderr]   Downloaded ghash v0.3.1
[INFO] [stderr]   Downloaded aes-gcm v0.8.0
[INFO] [stderr]   Downloaded chacha20 v0.6.0
[INFO] [stderr]   Downloaded ff v0.10.1
[INFO] [stderr]   Downloaded elliptic-curve v0.10.6
[INFO] [stderr]   Downloaded x25519-dalek v1.2.0
[INFO] [stderr]   Downloaded sha3 v0.9.1
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded block-modes v0.7.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.3.0
[INFO] [stderr]   Downloaded curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]   Downloaded bytebuffer-rs v0.3.1
[INFO] [stderr]   Downloaded glass_pumpkin v0.4.0
[INFO] [stderr]   Downloaded libsodium-ffi v0.2.2
[INFO] [stderr]   Downloaded hmac v0.11.0
[INFO] [stderr]   Downloaded pkcs8 v0.7.6
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded amcl_wrapper v0.4.0
[INFO] [stderr]   Downloaded bindgen v0.52.0
[INFO] [stderr]   Downloaded c2-chacha v0.2.4
[INFO] [stderr]   Downloaded spki v0.4.1
[INFO] [stderr]   Downloaded polyval v0.4.5
[INFO] [stderr]   Downloaded k256 v0.9.6
[INFO] [stderr]   Downloaded keccak v0.1.0
[INFO] [stderr]   Downloaded block-padding v0.2.1
[INFO] [stderr]   Downloaded zeroize v1.3.0
[INFO] [stderr]   Downloaded universal-hash v0.4.1
[INFO] [stderr]   Downloaded crypto-mac v0.11.1
[INFO] [stderr]   Downloaded const-oid v0.6.2
[INFO] [stderr]   Downloaded group v0.10.0
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad6d7ba6e9d074fdac2fc997296cefc0a4fb5cc7c7b33e39548c1316de72da8d
[INFO] running `Command { std: "docker" "start" "-a" "ad6d7ba6e9d074fdac2fc997296cefc0a4fb5cc7c7b33e39548c1316de72da8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad6d7ba6e9d074fdac2fc997296cefc0a4fb5cc7c7b33e39548c1316de72da8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6d7ba6e9d074fdac2fc997296cefc0a4fb5cc7c7b33e39548c1316de72da8d", kill_on_drop: false }`
[INFO] [stdout] ad6d7ba6e9d074fdac2fc997296cefc0a4fb5cc7c7b33e39548c1316de72da8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 605d67fde822962651e86e37e88fcd51a61e014c9717eceb4d6ece799e9e8dcf
[INFO] running `Command { std: "docker" "start" "-a" "605d67fde822962651e86e37e88fcd51a61e014c9717eceb4d6ece799e9e8dcf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling curl v0.4.41
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking miracl_core v1.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking amcl v0.2.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking int_traits v0.1.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking bytebuffer-rs v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking der v0.4.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking c2-chacha v0.2.4
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "605d67fde822962651e86e37e88fcd51a61e014c9717eceb4d6ece799e9e8dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "605d67fde822962651e86e37e88fcd51a61e014c9717eceb4d6ece799e9e8dcf", kill_on_drop: false }`
[INFO] [stdout] 605d67fde822962651e86e37e88fcd51a61e014c9717eceb4d6ece799e9e8dcf