[INFO] fetching crate picotcp-sys 0.2.1...
[INFO] documenting picotcp-sys-0.2.1 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate picotcp-sys 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate picotcp-sys 0.2.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate picotcp-sys 0.2.1
[INFO] finished tweaking crates.io crate picotcp-sys 0.2.1
[INFO] tweaked toml for crates.io crate picotcp-sys 0.2.1 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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syntex_errors v0.40.0
[INFO] [stderr]   Downloaded clang-sys v0.11.1
[INFO] [stderr]   Downloaded bindgen v0.19.2
[INFO] [stderr]   Downloaded syntex_pos v0.40.0
[INFO] [stderr]   Downloaded syntex_syntax v0.40.0
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a5b9e7c8b0d705ceaf096c7dcae908829c327899157c8919132fdbe177be2c1
[INFO] running `Command { std: "docker" "start" "-a" "2a5b9e7c8b0d705ceaf096c7dcae908829c327899157c8919132fdbe177be2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a5b9e7c8b0d705ceaf096c7dcae908829c327899157c8919132fdbe177be2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5b9e7c8b0d705ceaf096c7dcae908829c327899157c8919132fdbe177be2c1", kill_on_drop: false }`
[INFO] [stdout] 2a5b9e7c8b0d705ceaf096c7dcae908829c327899157c8919132fdbe177be2c1
[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=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b660f74cb5b8d113cea3ffa337de1e8b031e2ed028725b0e57c67a22e74f3650
[INFO] running `Command { std: "docker" "start" "-a" "b660f74cb5b8d113cea3ffa337de1e8b031e2ed028725b0e57c67a22e74f3650", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling clang-sys v0.11.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling syntex_pos v0.40.0
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling syntex_errors v0.40.0
[INFO] [stderr]    Compiling syntex_syntax v0.40.0
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling bindgen v0.19.2
[INFO] [stderr]    Compiling picotcp-sys v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `picotcp-sys v0.2.1 (/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/picotcp-sys-eaa6394de87d5224/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:74:52:
[INFO] [stderr]   Failed to open file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b137a6ec56 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55b137a6ec56 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b137a6ec56 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55b137a6ec56 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55b137a937c0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55b137a937c0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55b137a6c6ff - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55b137a6ea34 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55b137a6ea34 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55b137a70127 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stderr]     10:     0x55b137a6fe89 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55b137a705b8 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55b137a70492 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stderr]     13:     0x55b137a6f156 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55b137a701f0 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stderr]     15:     0x55b137719465 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55b1377199c3 - core::result::unwrap_failed::h03d8a5018196e1cd
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/result.rs:1649:5
[INFO] [stderr]     17:     0x55b13771a98c - core::result::Result<T,E>::expect::h06c3c3f57afa726a
[INFO] [stderr]     18:     0x55b13771c2bd - build_script_build::main::h9c82e6b236c638b1
[INFO] [stderr]     19:     0x55b13771a4e3 - core::ops::function::FnOnce::call_once::he67f9b4fdbf4ac8b
[INFO] [stderr]     20:     0x55b137719d96 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf31ae5f77c3a8418
[INFO] [stderr]     21:     0x55b137719f89 - std::rt::lang_start::{{closure}}::hb1587c29f0d64fcd
[INFO] [stderr]     22:     0x55b137a67ca1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55b137a67ca1 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x55b137a67ca1 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x55b137a67ca1 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]     26:     0x55b137a67ca1 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x55b137a67ca1 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x55b137a67ca1 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x55b137a67ca1 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]     30:     0x55b137a67ca1 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x55b137719f67 - std::rt::lang_start::hc7b8c0fbd682c63b
[INFO] [stderr]     32:     0x55b13771c585 - main
[INFO] [stderr]     33:     0x7f888690cd90 - <unknown>
[INFO] [stderr]     34:     0x7f888690ce40 - __libc_start_main
[INFO] [stderr]     35:     0x55b137719cc5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b660f74cb5b8d113cea3ffa337de1e8b031e2ed028725b0e57c67a22e74f3650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b660f74cb5b8d113cea3ffa337de1e8b031e2ed028725b0e57c67a22e74f3650", kill_on_drop: false }`
[INFO] [stdout] b660f74cb5b8d113cea3ffa337de1e8b031e2ed028725b0e57c67a22e74f3650
