[INFO] cloning repository https://github.com/dvush/exonum_pb_types
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvush/exonum_pb_types" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvush%2Fexonum_pb_types", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvush%2Fexonum_pb_types'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0e4a74d2c356f3f399c26a4da250e8bf242e77f
[INFO] documenting dvush/exonum_pb_types against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvush%2Fexonum_pb_types" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvush/exonum_pb_types on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dvush/exonum_pb_types
[INFO] finished tweaking git repo https://github.com/dvush/exonum_pb_types
[INFO] tweaked toml for git repo https://github.com/dvush/exonum_pb_types written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dvush/exonum_pb_types already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6bc32e4b79c87a6aab6b6e4cdbee1cd3b900bcdea1b0d7923a917349acb99f4
[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" "a6bc32e4b79c87a6aab6b6e4cdbee1cd3b900bcdea1b0d7923a917349acb99f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6bc32e4b79c87a6aab6b6e4cdbee1cd3b900bcdea1b0d7923a917349acb99f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bc32e4b79c87a6aab6b6e4cdbee1cd3b900bcdea1b0d7923a917349acb99f4", kill_on_drop: false }`
[INFO] [stdout] a6bc32e4b79c87a6aab6b6e4cdbee1cd3b900bcdea1b0d7923a917349acb99f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d6391bf6bbf168dd26bc4d2fd34b663c9171e6c8d67065e7c38e728238f32d8
[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" "5d6391bf6bbf168dd26bc4d2fd34b663c9171e6c8d67065e7c38e728238f32d8", 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 protobuf v2.2.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling protoc v2.2.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling protobuf-codegen v2.2.0
[INFO] [stderr]    Compiling protoc-rust v2.2.0
[INFO] [stderr]    Compiling proto-rust-hw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> build.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |       panic!();
[INFO] [stdout]    |       --------- any code following this expression is unreachable
[INFO] [stdout] 46 | /     protoc_rust::run(protoc_rust::Args {
[INFO] [stdout] 47 | |         out_dir: "src/lib_types/proto",
[INFO] [stdout] 48 | |         input: &p_vec,
[INFO] [stdout] 49 | |         includes: &["src/lib_types/proto"],
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |         },
[INFO] [stdout] 53 | |     }).expect("protoc");
[INFO] [stdout]    | |________________________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `proto-rust-hw v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/proto-rust-hw-dd97cd26eeef55bf/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/lib_types/proto/exonum
[INFO] [stderr]   cargo:rerun-if-changed=src/user_types/proto
[INFO] [stderr]   src/lib_types/proto/exonum/use_hash.proto
[INFO] [stderr]   src/lib_types/proto/exonum/hash.proto
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   ["src/lib_types/proto/exonum/use_hash.proto", "src/lib_types/proto/exonum/hash.proto"]
[INFO] [stderr]   thread 'main' panicked at 'explicit panic', build.rs:45:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x558a8c8c9450 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x558a8c8c9450 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558a8c8c9450 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x558a8c8c9450 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x558a8c8e36dc - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x558a8c8c7335 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x558a8c8cb0cb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x558a8c8cb0cb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x558a8c8cb0cb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x558a8c8caba1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x558a8c8cb794 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x558a8c8b8bf3 - std::panicking::begin_panic::{{closure}}::h6307572a404e8a6a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x558a8c8b7409 - std::sys_common::backtrace::__rust_end_short_backtrace::h844e33812e931d05
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x558a8c8b8b29 - std::panicking::begin_panic::h48afec1da20f2061
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x558a8c89a6e4 - build_script_build::main::h8a88f462cad46769
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:45:5
[INFO] [stderr]     15:     0x558a8c89b28b - core::ops::function::FnOnce::call_once::h40c7ce095dc8bb6c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x558a8c89859e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb325ee9e3e574c9c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     17:     0x558a8c89ad21 - std::rt::lang_start::{{closure}}::h590fc4c8584c9f34
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     18:     0x558a8c8cbc99 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     19:     0x558a8c8cbc99 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     20:     0x558a8c8cbc99 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     21:     0x558a8c8cbc99 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     22:     0x558a8c8cbc99 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     23:     0x558a8c89ad00 - std::rt::lang_start::h9e41362342e2a089
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     24:     0x558a8c89a79c - main
[INFO] [stderr]     25:     0x7fdccb51d0b3 - __libc_start_main
[INFO] [stderr]     26:     0x558a8c8967ee - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "5d6391bf6bbf168dd26bc4d2fd34b663c9171e6c8d67065e7c38e728238f32d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6391bf6bbf168dd26bc4d2fd34b663c9171e6c8d67065e7c38e728238f32d8", kill_on_drop: false }`
[INFO] [stdout] 5d6391bf6bbf168dd26bc4d2fd34b663c9171e6c8d67065e7c38e728238f32d8
