[INFO] cloning repository https://github.com/busarovalex/exonum-auction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/busarovalex/exonum-auction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fexonum-auction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fexonum-auction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7562ac065dd0c59e92c0e577a7e0a796046d1f51
[INFO] documenting busarovalex/exonum-auction against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fexonum-auction" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/busarovalex/exonum-auction on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/busarovalex/exonum-auction
[INFO] finished tweaking git repo https://github.com/busarovalex/exonum-auction
[INFO] tweaked toml for git repo https://github.com/busarovalex/exonum-auction written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/busarovalex/exonum-auction already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded serde v1.0.79
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[INFO] [stderr]   Downloaded termcolor v0.3.6
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[INFO] [stderr]   Downloaded exonum_librocksdb-sys v0.5.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5caa4b91425230eab36ec6fa16f2fd602e861d85d524d23f7556a880ddcf2e78
[INFO] running `Command { std: "docker" "start" "-a" "5caa4b91425230eab36ec6fa16f2fd602e861d85d524d23f7556a880ddcf2e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5caa4b91425230eab36ec6fa16f2fd602e861d85d524d23f7556a880ddcf2e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5caa4b91425230eab36ec6fa16f2fd602e861d85d524d23f7556a880ddcf2e78", kill_on_drop: false }`
[INFO] [stdout] 5caa4b91425230eab36ec6fa16f2fd602e861d85d524d23f7556a880ddcf2e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5313e4b2c19232d93b4fff4398b220206324a22fa29e0384194dccf79eb54aa9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5313e4b2c19232d93b4fff4398b220206324a22fa29e0384194dccf79eb54aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling subtle v0.6.3
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling os_info v1.0.2
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]    Compiling exonum v0.9.2
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]    Compiling filetime v0.2.1
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling actix-web v0.6.15
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking miniz_oxide v0.1.3
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]    Compiling syn v0.11.11
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[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempdir v0.3.7
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[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking serde_json v1.0.28
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking serde_urlencoded v0.5.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.6
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rust_decimal v0.9.1
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling snow v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.3
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling exonum_librocksdb-sys v0.5.4
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr] error: failed to run custom build command for `exonum_librocksdb-sys v0.5.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/exonum_librocksdb-sys-8b37031bda02d2f0/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '"git" "clone" "https://github.com/google/snappy.git"
[INFO] [stderr] 
[INFO] [stderr]   fatal: could not create work tree dir 'snappy': Read-only file system
[INFO] [stderr] 
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.4/build.rs:176:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55aae8ea3f10 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55aae8ea3f10 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55aae8ea3f10 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55aae8ea3f10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h80c2ae080004cc83
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55aae8ec42dc - core::fmt::write::h0c11e16fd03fe660
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x55aae8ea0267 - std::io::Write::write_fmt::h2e2072ff86131fcd
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514
[INFO] [stderr]      6:     0x55aae8ea6400 - std::sys_common::backtrace::_print::h165e6476adb4cb58
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55aae8ea6400 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55aae8ea6400 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x55aae8ea614c - std::panicking::default_hook::ha3137d6f4e961fe2
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x55aae8ea6a63 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x55aae8ea6639 - std::panicking::begin_panic_handler::{{closure}}::h4aa640a9e8494520
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x55aae8ea437c - std::sys_common::backtrace::__rust_end_short_backtrace::h85d2ae6a90dead9c
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55aae8ea65f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x55aae8ea65ab - std::panicking::begin_panic_fmt::h7089e699b7754bbe
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:429
[INFO] [stderr]     15:     0x55aae8dcc7ec - build_script_build::get_sources::h7e44b3ac2679a0d8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.4/build.rs:176
[INFO] [stderr]     16:     0x55aae8dccf96 - build_script_build::main::h79130daa2811dd60
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.4/build.rs:212
[INFO] [stderr]     17:     0x55aae8dd046b - core::ops::function::FnOnce::call_once::h2789102f2dace915
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227
[INFO] [stderr]     18:     0x55aae8dcde8e - std::sys_common::backtrace::__rust_begin_short_backtrace::hab7c8de6f7ab7963
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     19:     0x55aae8dce7c1 - std::rt::lang_start::{{closure}}::hf8ae9d5b4e028d86
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66
[INFO] [stderr]     20:     0x55aae8ea6f31 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdabbbe0d2c6ccde8
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259
[INFO] [stderr]     21:     0x55aae8ea6f31 - std::panicking::try::do_call::h0c8c1cd19bf9d385
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373
[INFO] [stderr]     22:     0x55aae8ea6f31 - std::panicking::try::h357e78da017bc4a8
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337
[INFO] [stderr]     23:     0x55aae8ea6f31 - std::panic::catch_unwind::h72f31b36adf61841
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379
[INFO] [stderr]     24:     0x55aae8ea6f31 - std::rt::lang_start_internal::h634502e153211333
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51
[INFO] [stderr]     25:     0x55aae8dce797 - std::rt::lang_start::h9235507e32504e0e
[INFO] [stderr]                                  at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65
[INFO] [stderr]     26:     0x55aae8dcd08a - main
[INFO] [stderr]     27:     0x7f59ab1a00b3 - __libc_start_main
[INFO] [stderr]     28:     0x55aae8dcb0be - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5313e4b2c19232d93b4fff4398b220206324a22fa29e0384194dccf79eb54aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5313e4b2c19232d93b4fff4398b220206324a22fa29e0384194dccf79eb54aa9", kill_on_drop: false }`
[INFO] [stdout] 5313e4b2c19232d93b4fff4398b220206324a22fa29e0384194dccf79eb54aa9