[INFO] fetching crate gcast-wire 0.1.5...
[INFO] checking gcast-wire-0.1.5 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate gcast-wire 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gcast-wire 0.1.5 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gcast-wire 0.1.5
[INFO] finished tweaking crates.io crate gcast-wire 0.1.5
[INFO] tweaked toml for crates.io crate gcast-wire 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf v1.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc3e40e619429782c8a0149c8ee7977de47c97bfa2cb2702f84a810ef22501ad
[INFO] running `Command { std: "docker" "start" "-a" "dc3e40e619429782c8a0149c8ee7977de47c97bfa2cb2702f84a810ef22501ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc3e40e619429782c8a0149c8ee7977de47c97bfa2cb2702f84a810ef22501ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3e40e619429782c8a0149c8ee7977de47c97bfa2cb2702f84a810ef22501ad", kill_on_drop: false }`
[INFO] [stdout] dc3e40e619429782c8a0149c8ee7977de47c97bfa2cb2702f84a810ef22501ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43a848535432c8ab34a12b6e9722bdea953886739abe8dadcbccd148dff5a821
[INFO] running `Command { std: "docker" "start" "-a" "43a848535432c8ab34a12b6e9722bdea953886739abe8dadcbccd148dff5a821", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition
[INFO] [stderr]    Compiling protobuf v1.7.5
[INFO] [stderr]    Compiling gcast-wire v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `gcast-wire v0.1.5 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gcast-wire-b50856d10b69d796/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   protoc-gen-rust: program not found or is not executable
[INFO] [stderr]   Please specify a program using absolute path or make sure the program is available in your PATH system variable
[INFO] [stderr]   --rust_out: protoc-gen-rust: Plugin failed with status code 1.
[INFO] [stderr]   thread 'main' panicked at build.rs:9:5:
[INFO] [stderr]   assertion failed: protoc_status.success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5574a4d1ac84 - std::backtrace_rs::backtrace::libunwind::trace::h3da9427eac6b2713
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x5574a4d1ac84 - std::backtrace_rs::backtrace::trace_unsynchronized::h8b6ad79cb60b1f10
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5574a4d1ac84 - std::sys_common::backtrace::_print_fmt::h0332dac066d13bb4
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x5574a4d1ac84 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha53f24802e841e78
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x5574a4d3b9dc - core::fmt::rt::Argument::fmt::hb7cd99f2796dbda9
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x5574a4d3b9dc - core::fmt::write_internal::hd9480cc81e0db946
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/mod.rs:1143:17
[INFO] [stderr]      6:     0x5574a4d18d07 - core::fmt::write::hc9b13aa14bb399e7
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/mod.rs:1125:67
[INFO] [stderr]      7:     0x5574a4d18d07 - std::io::Write::write_fmt::h7f190ab8bb73d292
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      8:     0x5574a4d1aa34 - std::sys_common::backtrace::_print::h4dfa85ce29f289cd
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      9:     0x5574a4d1aa34 - std::sys_common::backtrace::print::h075bb0820ca1af60
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]     10:     0x5574a4d1bdfb - std::panicking::default_hook::{{closure}}::h2868146f5a47a8b0
[INFO] [stderr]     11:     0x5574a4d1bb57 - std::panicking::default_hook::h75759d10d3c62529
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:292:9
[INFO] [stderr]     12:     0x5574a4d1c2cd - std::panicking::rust_panic_with_hook::h96d9580203cd93f6
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:779:13
[INFO] [stderr]     13:     0x5574a4d1c169 - std::panicking::begin_panic_handler::{{closure}}::h99fe5817649d74e2
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:649:13
[INFO] [stderr]     14:     0x5574a4d1b156 - std::sys_common::backtrace::__rust_end_short_backtrace::hec38ffed74bfdff4
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     15:     0x5574a4d1bea4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:645:5
[INFO] [stderr]     16:     0x5574a4cf8c15 - core::panicking::panic_fmt::hef2c7eb118bd8e9b
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/panicking.rs:72:14
[INFO] [stderr]     17:     0x5574a4cf8cd3 - core::panicking::panic::haf6f0e8758e8cbf9
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/panicking.rs:145:5
[INFO] [stderr]     18:     0x5574a4cfc390 - build_script_build::main::h5981da7ec5a25435
[INFO] [stderr]     19:     0x5574a4cf9d43 - core::ops::function::FnOnce::call_once::h6c85b3876ee2342b
[INFO] [stderr]     20:     0x5574a4cf95f6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3a659282c2d8f6b2
[INFO] [stderr]     21:     0x5574a4cf9a69 - std::rt::lang_start::{{closure}}::hcde4a45f4e11728b
[INFO] [stderr]     22:     0x5574a4d16663 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6488a2c974ca719
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x5574a4d16663 - std::panicking::try::do_call::hff3b4848e08a12d1
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x5574a4d16663 - std::panicking::try::h8353a4dfa2f5a00f
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x5574a4d16663 - std::panic::catch_unwind::h2e8a9f6c47367d26
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panic.rs:146:14
[INFO] [stderr]     26:     0x5574a4d16663 - std::rt::lang_start_internal::{{closure}}::ha0861aba81fd1864
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x5574a4d16663 - std::panicking::try::do_call::hbeaa0ec31679b9c5
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x5574a4d16663 - std::panicking::try::h72d757b913472f73
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x5574a4d16663 - std::panic::catch_unwind::h96f93e52837969a1
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panic.rs:146:14
[INFO] [stderr]     30:     0x5574a4d16663 - std::rt::lang_start_internal::h217e3c78cd070052
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x5574a4cf9a47 - std::rt::lang_start::h17d50ddb1a705204
[INFO] [stderr]     32:     0x5574a4cfc3c5 - main
[INFO] [stderr]     33:     0x7f9067748d90 - <unknown>
[INFO] [stderr]     34:     0x7f9067748e40 - __libc_start_main
[INFO] [stderr]     35:     0x5574a4cf91f5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "43a848535432c8ab34a12b6e9722bdea953886739abe8dadcbccd148dff5a821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a848535432c8ab34a12b6e9722bdea953886739abe8dadcbccd148dff5a821", kill_on_drop: false }`
[INFO] [stdout] 43a848535432c8ab34a12b6e9722bdea953886739abe8dadcbccd148dff5a821
