[INFO] cloning repository https://github.com/jakubadamw/rust-protobuf-414 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubadamw/rust-protobuf-414" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubadamw%2Frust-protobuf-414", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubadamw%2Frust-protobuf-414'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f4e3c3e188c0045b865bd42fedd0066f5a17c2d1 [INFO] documenting jakubadamw/rust-protobuf-414 against 1.46.0 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubadamw%2Frust-protobuf-414" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakubadamw/rust-protobuf-414 on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakubadamw/rust-protobuf-414 [INFO] finished tweaking git repo https://github.com/jakubadamw/rust-protobuf-414 [INFO] tweaked toml for git repo https://github.com/jakubadamw/rust-protobuf-414 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/jakubadamw/rust-protobuf-414 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2ceb5e60cc8ae9d49c4519020b6b46b059d1594d66b01fe44007c92626f3752 [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" "a2ceb5e60cc8ae9d49c4519020b6b46b059d1594d66b01fe44007c92626f3752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2ceb5e60cc8ae9d49c4519020b6b46b059d1594d66b01fe44007c92626f3752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2ceb5e60cc8ae9d49c4519020b6b46b059d1594d66b01fe44007c92626f3752", kill_on_drop: false }` [INFO] [stdout] a2ceb5e60cc8ae9d49c4519020b6b46b059d1594d66b01fe44007c92626f3752 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fbc4d3a1feb59f7c8ac12e39152ed173b2cb083826de47adcc59746c4eda5f1 [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" "6fbc4d3a1feb59f7c8ac12e39152ed173b2cb083826de47adcc59746c4eda5f1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling spin v0.5.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling protobuf v2.7.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling protoc v2.7.0 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling getrandom v0.1.6 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling protobuf-codegen v2.7.0 [INFO] [stderr] Compiling protoc-rust v2.7.0 [INFO] [stderr] Compiling reproduction_414 v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `reproduction_414 v0.0.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/reproduction_414-c99e030a3e37c6e7/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [libprotobuf WARNING google/protobuf/compiler/parser.cc:562] No syntax specified for the proto file: example.proto. Please use 'syntax = "proto2";' or 'syntax = "proto3";' to specify a syntax version. (Defaulted to proto2 syntax.) [INFO] [stderr] thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:13:8 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x562cf3f6ef25 - backtrace::backtrace::libunwind::trace::h14d338b30b3ea0a7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x562cf3f6ef25 - backtrace::backtrace::trace_unsynchronized::h73ea91d74a3fd67f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x562cf3f6ef25 - std::sys_common::backtrace::_print_fmt::hd42948c952866e12 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x562cf3f6ef25 - ::fmt::ha8f928866ff7571e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x562cf3f9897c - core::fmt::write::he0c1e5f7426d2718 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x562cf3f6c232 - std::io::Write::write_fmt::hf3afc6cfd57d0033 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x562cf3f71920 - std::sys_common::backtrace::_print::hfc0110703f3696fd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x562cf3f71920 - std::sys_common::backtrace::print::h3f77c6990ddfaa22 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x562cf3f71920 - std::panicking::default_hook::{{closure}}::heae49580a8d62d75 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x562cf3f7166c - std::panicking::default_hook::hecc34e3f729e213c [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x562cf3f71f63 - std::panicking::rust_panic_with_hook::he82f5d0644692441 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x562cf3f71b5b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x562cf3f968e1 - core::panicking::panic_fmt::h09c929f06bb87c98 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x562cf3f96703 - core::option::expect_none_failed::h188f17af6c9f404b [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x562cf3cd82ef - core::result::Result::expect::h6bebe355027da667 [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libcore/result.rs:963 [INFO] [stderr] 15: 0x562cf3cd8485 - build_script_build::main::hc290534ef3e120bb [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 16: 0x562cf3cd869b - std::rt::lang_start::{{closure}}::h3a81e247ba1b5536 [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x562cf3f72333 - std::rt::lang_start_internal::{{closure}}::h5d3ea623498f5f43 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x562cf3f72333 - std::panicking::try::do_call::hac65e71be769a440 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x562cf3f72333 - std::panicking::try::hd4706e264bcf6712 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x562cf3f72333 - std::panic::catch_unwind::h948a0fb4a8b3ee82 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x562cf3f72333 - std::rt::lang_start_internal::h72cc068ed2d0ac53 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x562cf3cd8677 - std::rt::lang_start::h8289e5090d461187 [INFO] [stderr] at /rustc/04488afe34512aa4c33566eb16d8c912a3ae04f9/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x562cf3cd84ba - main [INFO] [stderr] 24: 0x7f1904aff0b3 - __libc_start_main [INFO] [stderr] 25: 0x562cf3cd81ae - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "6fbc4d3a1feb59f7c8ac12e39152ed173b2cb083826de47adcc59746c4eda5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fbc4d3a1feb59f7c8ac12e39152ed173b2cb083826de47adcc59746c4eda5f1", kill_on_drop: false }` [INFO] [stdout] 6fbc4d3a1feb59f7c8ac12e39152ed173b2cb083826de47adcc59746c4eda5f1