[INFO] cloning repository https://github.com/rand-chain/rust-randchain-prototype
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rand-chain/rust-randchain-prototype" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frand-chain%2Frust-randchain-prototype", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frand-chain%2Frust-randchain-prototype'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c0c3fbf8a47a09fb08191b12f3cc926efd38c7
[INFO] checking rand-chain/rust-randchain-prototype against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frand-chain%2Frust-randchain-prototype" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rand-chain/rust-randchain-prototype on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-30/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rand-chain/rust-randchain-prototype
[INFO] finished tweaking git repo https://github.com/rand-chain/rust-randchain-prototype
[INFO] tweaked toml for git repo https://github.com/rand-chain/rust-randchain-prototype written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/rand-chain/rust-randchain-prototype already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0301320bc39cf37f110ccce2d15e12e5376fb7ee2f3bea4d600550d934470230
[INFO] running `Command { std: "docker" "start" "-a" "0301320bc39cf37f110ccce2d15e12e5376fb7ee2f3bea4d600550d934470230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0301320bc39cf37f110ccce2d15e12e5376fb7ee2f3bea4d600550d934470230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0301320bc39cf37f110ccce2d15e12e5376fb7ee2f3bea4d600550d934470230", kill_on_drop: false }`
[INFO] [stdout] 0301320bc39cf37f110ccce2d15e12e5376fb7ee2f3bea4d600550d934470230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c331cf10e521945c2679e5fb15f544b15cacda3c7f2f217fa5c9b627c3a5fff0
[INFO] running `Command { std: "docker" "start" "-a" "c331cf10e521945c2679e5fb15f544b15cacda3c7f2f217fa5c9b627c3a5fff0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling heapsize v0.4.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rustc-hex v2.0.0
[INFO] [stderr]     Checking az v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking elapsed v0.1.2
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking termcolor v0.3.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking typenum v1.12.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking log v0.4.1
[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-1.4.1/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=ad06b2caecd0db19 -C extra-filename=-ad06b2caecd0db19 --out-dir /opt/rustwide/target/debug/build/gmp-mpfr-sys-ad06b2caecd0db19 -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" "c331cf10e521945c2679e5fb15f544b15cacda3c7f2f217fa5c9b627c3a5fff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c331cf10e521945c2679e5fb15f544b15cacda3c7f2f217fa5c9b627c3a5fff0", kill_on_drop: false }`
[INFO] [stdout] c331cf10e521945c2679e5fb15f544b15cacda3c7f2f217fa5c9b627c3a5fff0