[INFO] cloning repository https://github.com/cezhang52111/merkle-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cezhang52111/merkle-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcezhang52111%2Fmerkle-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcezhang52111%2Fmerkle-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6e6799187f29e7082df3a27e396594be6406adb
[INFO] checking cezhang52111/merkle-db/f6e6799187f29e7082df3a27e396594be6406adb against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcezhang52111%2Fmerkle-db" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cezhang52111/merkle-db on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cezhang52111/merkle-db
[INFO] finished tweaking git repo https://github.com/cezhang52111/merkle-db
[INFO] tweaked toml for git repo https://github.com/cezhang52111/merkle-db written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cezhang52111/merkle-db already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust_decimal v1.0.3
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded protoc v2.10.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.11
[INFO] [stderr]   Downloaded enum-primitive-derive v0.1.2
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded assert_matches v1.3.0
[INFO] [stderr]   Downloaded protoc-rust v2.10.0
[INFO] [stderr]   Downloaded exonum-proto v0.13.0-rc.2
[INFO] [stderr]   Downloaded ctor v0.1.12
[INFO] [stderr]   Downloaded rand_os v0.2.2
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded exonum_libsodium-sys v0.0.23
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded csv-core v0.1.6
[INFO] [stderr]   Downloaded tar v0.4.26
[INFO] [stderr]   Downloaded miniz_oxide v0.3.5
[INFO] [stderr]   Downloaded criterion v0.3.0
[INFO] [stderr]   Downloaded regex-automata v0.1.8
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.2.4
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded protobuf v2.10.0
[INFO] [stderr]   Downloaded proptest v0.9.4
[INFO] [stderr]   Downloaded bindgen v0.49.4
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded protobuf-codegen v2.10.0
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded rocksdb v0.13.0
[INFO] [stderr]   Downloaded bstr v0.2.8
[INFO] [stderr]   Downloaded url v2.1.0
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded rand_xoshiro v0.3.1
[INFO] [stderr]   Downloaded tinytemplate v1.0.3
[INFO] [stderr]   Downloaded zip v0.5.4
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.0
[INFO] [stderr]   Downloaded filetime v0.2.8
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded hex-buffer-serde v0.2.0
[INFO] [stderr]   Downloaded exonum-crypto v0.13.0-rc.2
[INFO] [stderr]   Downloaded bit-vec v0.6.1
[INFO] [stderr]   Downloaded protobuf-convert v0.2.1
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded leb128 v0.2.4
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded exonum-derive v0.13.0-rc.2
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded jobserver v0.1.18
[INFO] [stderr]   Downloaded smallvec v1.1.0
[INFO] [stderr]   Downloaded exonum-build v0.13.0-rc.2
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded csv v1.1.2
[INFO] [stderr]   Downloaded exonum_sodiumoxide v0.0.23
[INFO] [stderr]   Downloaded librocksdb-sys v6.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b421e1d576b8d6c947ac8dcc8103e17402ac404e7e76c95fa60a3b021ac067a
[INFO] running `Command { std: "docker" "start" "-a" "8b421e1d576b8d6c947ac8dcc8103e17402ac404e7e76c95fa60a3b021ac067a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b421e1d576b8d6c947ac8dcc8103e17402ac404e7e76c95fa60a3b021ac067a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b421e1d576b8d6c947ac8dcc8103e17402ac404e7e76c95fa60a3b021ac067a", kill_on_drop: false }`
[INFO] [stdout] 8b421e1d576b8d6c947ac8dcc8103e17402ac404e7e76c95fa60a3b021ac067a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c9312bab620ae977bdd89e76a0ebf162eed7d7b6065c7f41cb1302f610278c7
[INFO] running `Command { std: "docker" "start" "-a" "6c9312bab620ae977bdd89e76a0ebf162eed7d7b6065c7f41cb1302f610278c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling protobuf v2.10.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling protoc v2.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling jobserver v0.1.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling num-bigint v0.2.4
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking hex-buffer-serde v0.2.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking rust_decimal v1.0.3
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking csv v1.1.2
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking assert_matches v1.3.0
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking criterion-plot v0.4.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]    Compiling zip v0.5.4
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling exonum_libsodium-sys v0.0.23
[INFO] [stderr]     Checking exonum_sodiumoxide v0.0.23
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling exonum-derive v0.13.0-rc.2
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]    Compiling librocksdb-sys v6.2.4
[INFO] [stderr] error: could not compile `protobuf` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/f609b7e0586f81fefb3523e3e17adf779ac416be/bin/rustc --crate-name protobuf --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/protobuf-2.10.0/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="serde"' --cfg 'feature="serde_derive"' --cfg 'feature="with-serde"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("bytes", "serde", "serde_derive", "with-bytes", "with-serde"))' -C metadata=d02a75577fc2138d -C extra-filename=-d02a75577fc2138d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-6e1bc9e230978794.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-48804f4d5e894928.so --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6c9312bab620ae977bdd89e76a0ebf162eed7d7b6065c7f41cb1302f610278c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9312bab620ae977bdd89e76a0ebf162eed7d7b6065c7f41cb1302f610278c7", kill_on_drop: false }`
[INFO] [stdout] 6c9312bab620ae977bdd89e76a0ebf162eed7d7b6065c7f41cb1302f610278c7