[INFO] cloning repository https://github.com/subspace/subspace-core-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/subspace/subspace-core-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubspace%2Fsubspace-core-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubspace%2Fsubspace-core-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e6852a371e0b506dc90d8193dd3adeaeba93cee
[INFO] checking subspace/subspace-core-rust against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubspace%2Fsubspace-core-rust" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/subspace/subspace-core-rust on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/subspace/subspace-core-rust
[INFO] finished tweaking git repo https://github.com/subspace/subspace-core-rust
[INFO] tweaked toml for git repo https://github.com/subspace/subspace-core-rust written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/subspace/subspace-core-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a072dc689522afcd02bfbe69c6559883b1f11c9b7a53f500e59eb3c2296303a
[INFO] running `Command { std: "docker" "start" "-a" "5a072dc689522afcd02bfbe69c6559883b1f11c9b7a53f500e59eb3c2296303a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a072dc689522afcd02bfbe69c6559883b1f11c9b7a53f500e59eb3c2296303a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a072dc689522afcd02bfbe69c6559883b1f11c9b7a53f500e59eb3c2296303a", kill_on_drop: false }`
[INFO] [stdout] 5a072dc689522afcd02bfbe69c6559883b1f11c9b7a53f500e59eb3c2296303a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae82e3ec2e49eebd790f51eb5f42ceed5f7f52ac38c900d77d5f2d2fdc06d54d
[INFO] running `Command { std: "docker" "start" "-a" "ae82e3ec2e49eebd790f51eb5f42ceed5f7f52ac38c900d77d5f2d2fdc06d54d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.65
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling rug v1.9.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking futures-micro v0.3.1
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking event-listener-primitives v0.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking merkle-tree-binary v0.0.1 (https://github.com/subspace/merkle-tree-binary.rs#58cf26a5)
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr] error: could not compile `gmp-mpfr-sys`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gmp-mpfr-sys-1.2.4/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="mpc"' --cfg 'feature="mpfr"' -C metadata=98a655a79ffc7d9a -C extra-filename=-98a655a79ffc7d9a --out-dir /opt/rustwide/target/debug/build/gmp-mpfr-sys-98a655a79ffc7d9a -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" "ae82e3ec2e49eebd790f51eb5f42ceed5f7f52ac38c900d77d5f2d2fdc06d54d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae82e3ec2e49eebd790f51eb5f42ceed5f7f52ac38c900d77d5f2d2fdc06d54d", kill_on_drop: false }`
[INFO] [stdout] ae82e3ec2e49eebd790f51eb5f42ceed5f7f52ac38c900d77d5f2d2fdc06d54d