[INFO] cloning repository https://github.com/threecgreen/cpp-rust-cpp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/threecgreen/cpp-rust-cpp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthreecgreen%2Fcpp-rust-cpp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthreecgreen%2Fcpp-rust-cpp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64fa83280d9dd56a4f85f94df3d3e898e4e2cee7
[INFO] building threecgreen/cpp-rust-cpp against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthreecgreen%2Fcpp-rust-cpp" "/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/threecgreen/cpp-rust-cpp on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/threecgreen/cpp-rust-cpp
[INFO] finished tweaking git repo https://github.com/threecgreen/cpp-rust-cpp
[INFO] tweaked toml for git repo https://github.com/threecgreen/cpp-rust-cpp written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/threecgreen/cpp-rust-cpp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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 cbindgen v0.13.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 917f24d017d0d3b3da02d0b92c247429576d56a01974184a804bc4f8ec66614c
[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" "917f24d017d0d3b3da02d0b92c247429576d56a01974184a804bc4f8ec66614c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "917f24d017d0d3b3da02d0b92c247429576d56a01974184a804bc4f8ec66614c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917f24d017d0d3b3da02d0b92c247429576d56a01974184a804bc4f8ec66614c", kill_on_drop: false }`
[INFO] [stdout] 917f24d017d0d3b3da02d0b92c247429576d56a01974184a804bc4f8ec66614c
[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" "RUSTFLAGS=--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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1616000011a0431f111aecb8304d039ebac228c4b17d32cd1c110c805a19010
[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" "f1616000011a0431f111aecb8304d039ebac228c4b17d32cd1c110c805a19010", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling cbindgen v0.13.1
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling impl-lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `impl-lib v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/impl-lib-a39cfd906573ea85/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=wrapper.h
[INFO] [stderr]   cargo:rerun-if-changed=./cpp/logger.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/cstdint
[INFO] [stderr]   cargo:rerun-if-changed=/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10/bits/c++config.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10/bits/os_defines.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/features.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/stdc-predef.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/sys/cdefs.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/wordsize.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/long-double.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/gnu/stubs.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/gnu/stubs-64.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10/bits/cpu_defines.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/pstl/pstl_config.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/lib/llvm-10/lib/clang/10.0.0/include/stdint.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/stdint.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/libc-header-start.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/features.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/types.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/features.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/wordsize.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/timesize.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/typesizes.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/time64.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/wchar.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/wordsize.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/stdint-intn.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/types.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/stdint-uintn.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/include/x86_64-linux-gnu/bits/types.h
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: 'rustfmt' is not installed for the toolchain '881c1ac408d93bb7adaa3a51dabab9266e82eee8'
[INFO] [stderr]   note: this is a custom toolchain, which cannot use `rustup component add`
[INFO] [stderr]   help: if you built this toolchain from source, and used `rustup toolchain link`, then you may be able to build the component with `x.py`
[INFO] [stderr]   Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing)
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.13.1/src/bindgen/bindings.rs:101:43
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b98571ad70 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55b98571ad70 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b98571ad70 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55b98571ad70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55b985741a0f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55b985717b45 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55b98571d6bb - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55b98571d6bb - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55b98571d6bb - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55b98571d19d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55b98571dc90 - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:595:17
[INFO] [stderr]     11:     0x55b98571d867 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55b98571b22c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55b98571d7c9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55b984ca0901 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55b984ca09f3 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55b984d9b39a - core::result::Result<T,E>::unwrap::h5b8d83a097651b11
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x55b984dbce95 - cbindgen::bindgen::bindings::Bindings::write_to_file::ha65311efd0ed7167
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.13.1/src/bindgen/bindings.rs:101:24
[INFO] [stderr]     18:     0x55b984d5d415 - build_script_build::generate_cpp_bindings::h6d13042e0d23bf03
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:46:5
[INFO] [stderr]     19:     0x55b984d5d4eb - build_script_build::main::h7d47d5f534ccb883
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:56:5
[INFO] [stderr]     20:     0x55b984db73eb - core::ops::function::FnOnce::call_once::h243f8bb72e0d7240
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     21:     0x55b984db719e - std::sys_common::backtrace::__rust_begin_short_backtrace::hdeba51ba1d96c9c7
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     22:     0x55b984d6e431 - std::rt::lang_start::{{closure}}::ha8d2538db2030645
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:49:18
[INFO] [stderr]     23:     0x55b98571e16a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     24:     0x55b98571e16a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:379:40
[INFO] [stderr]     25:     0x55b98571e16a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panicking.rs:343:19
[INFO] [stderr]     26:     0x55b98571e16a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/panic.rs:431:14
[INFO] [stderr]     27:     0x55b98571e16a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:34:21
[INFO] [stderr]     28:     0x55b984d6e410 - std::rt::lang_start::hc9f2bdc0bc2113c1
[INFO] [stderr]                                  at /rustc/881c1ac408d93bb7adaa3a51dabab9266e82eee8/library/std/src/rt.rs:48:5
[INFO] [stderr]     29:     0x55b984d5d50c - main
[INFO] [stderr]     30:     0x7f5c22c930b3 - __libc_start_main
[INFO] [stderr]     31:     0x55b984ca109e - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f1616000011a0431f111aecb8304d039ebac228c4b17d32cd1c110c805a19010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1616000011a0431f111aecb8304d039ebac228c4b17d32cd1c110c805a19010", kill_on_drop: false }`
[INFO] [stdout] f1616000011a0431f111aecb8304d039ebac228c4b17d32cd1c110c805a19010
