[INFO] fetching crate rubbler 0.1.2...
[INFO] building rubbler-0.1.2 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rubbler 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rubbler 0.1.2
[INFO] finished tweaking crates.io crate rubbler 0.1.2
[INFO] tweaked toml for crates.io crate rubbler 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rubbler 0.1.2 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rubbler 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.3.5
[INFO] [stderr]   Downloaded termcolor v1.3.0
[INFO] [stderr]   Downloaded cbindgen v0.24.5
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31a46ef8cf97abc173a7d141f380a57208efd6e1abf45e71b9f6c18c25fb5303
[INFO] running `Command { std: "docker" "start" "-a" "31a46ef8cf97abc173a7d141f380a57208efd6e1abf45e71b9f6c18c25fb5303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a46ef8cf97abc173a7d141f380a57208efd6e1abf45e71b9f6c18c25fb5303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a46ef8cf97abc173a7d141f380a57208efd6e1abf45e71b9f6c18c25fb5303", kill_on_drop: false }`
[INFO] [stdout] 31a46ef8cf97abc173a7d141f380a57208efd6e1abf45e71b9f6c18c25fb5303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3647f5c971fbb5cc0be9b5d8d4f0b4fea9bd865e957ea97ff654ba9bb71cfe82
[INFO] running `Command { std: "docker" "start" "-a" "3647f5c971fbb5cc0be9b5d8d4f0b4fea9bd865e957ea97ff654ba9bb71cfe82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cbindgen v0.24.5
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling rubbler v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rubbler v0.1.2 (/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/rubbler-903f041b13712329/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (657) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cbindgen-0.24.5/src/bindgen/bindings.rs:139:44:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57e61c150fc2 - std::backtrace_rs::backtrace::libunwind::trace::ha2a9ae9e69b87a03
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57e61c150fc2 - std::backtrace_rs::backtrace::trace_unsynchronized::h7757f80677e51a33
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57e61c150fc2 - std::sys::backtrace::_print_fmt::h6552c7cfff6c56fd
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x57e61c150fc2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8094475e363f1053
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x57e61c162caf - core::fmt::rt::Argument::fmt::h88a25a51f53034c0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x57e61c162caf - core::fmt::write::h501eb1fe28dabfbb
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x57e61c122a31 - std::io::default_write_fmt::h992ad3fe47aac8bd
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57e61c122a31 - std::io::Write::write_fmt::h8b96bc323947a405
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x57e61c12d0b2 - std::sys::backtrace::BacktraceLock::print::h7aea9e658d3d67e5
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x57e61c12f63f - std::panicking::default_hook::{{closure}}::h9182baa5e2ff55c0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x57e61c12f499 - std::panicking::default_hook::hfb4945b05f344c7f
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x57e61c12fd75 - std::panicking::panic_with_hook::h56e601fd3ec36096
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x57e61c12fb5a - std::panicking::panic_handler::{{closure}}::h1609d3c3912948cb
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x57e61c12d1e9 - std::sys::backtrace::__rust_end_short_backtrace::h03d671aa8d777602
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x57e61c1165cd - __rustc[aa3aaccdf5d52e38]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x57e61c16ca10 - core::panicking::panic_fmt::h2ccb5f5950fb2ea3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x57e61c16b986 - core::result::unwrap_failed::h1234828aefe38261
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x57e61be2d2e1 - cbindgen::bindgen::bindings::Bindings::write_to_file::hae02fe03a126ae4e
[INFO] [stderr]     18:     0x57e61be41ac4 - build_script_build::main::hafa50937b5db8bd1
[INFO] [stderr]     19:     0x57e61be4da53 - core::ops::function::FnOnce::call_once::hf210ad6b391f3bb6
[INFO] [stderr]     20:     0x57e61be46c96 - std::sys::backtrace::__rust_begin_short_backtrace::he2bbeea66b39ac2e
[INFO] [stderr]     21:     0x57e61be4d8e9 - std::rt::lang_start::{{closure}}::h3277ec9423c6698b
[INFO] [stderr]     22:     0x57e61c123f40 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::haefda49eac6aabe3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x57e61c123f40 - std::panicking::catch_unwind::do_call::hf37797e2fddac2f0
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x57e61c123f40 - std::panicking::catch_unwind::h909d1e8985436f28
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x57e61c123f40 - std::panic::catch_unwind::h5491b1948f80f254
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x57e61c123f40 - std::rt::lang_start_internal::{{closure}}::hf621f85e52fbc16b
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x57e61c123f40 - std::panicking::catch_unwind::do_call::h2de2328545762ad7
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x57e61c123f40 - std::panicking::catch_unwind::h544f60d1149df03e
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x57e61c123f40 - std::panic::catch_unwind::h90e123b5fe5a521c
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x57e61c123f40 - std::rt::lang_start_internal::hce9ddc5b3402b0d3
[INFO] [stderr]                                  at /rustc/c7f6aa2869acdbf014d094c6e427e554e160b6db/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x57e61be4d8d1 - std::rt::lang_start::h4cfb299a1efd6a3f
[INFO] [stderr]     32:     0x57e61be45fd5 - main
[INFO] [stderr]     33:     0x798be014a1ca - <unknown>
[INFO] [stderr]     34:     0x798be014a28b - __libc_start_main
[INFO] [stderr]     35:     0x57e61be12de5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3647f5c971fbb5cc0be9b5d8d4f0b4fea9bd865e957ea97ff654ba9bb71cfe82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3647f5c971fbb5cc0be9b5d8d4f0b4fea9bd865e957ea97ff654ba9bb71cfe82", kill_on_drop: false }`
[INFO] [stdout] 3647f5c971fbb5cc0be9b5d8d4f0b4fea9bd865e957ea97ff654ba9bb71cfe82