[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] checking threecgreen/cpp-rust-cpp against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[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 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d39893ce5be74763ad70713741f65d107358ed84b88306796a1634a5a9e0bc2
[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" "4d39893ce5be74763ad70713741f65d107358ed84b88306796a1634a5a9e0bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d39893ce5be74763ad70713741f65d107358ed84b88306796a1634a5a9e0bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d39893ce5be74763ad70713741f65d107358ed84b88306796a1634a5a9e0bc2", kill_on_drop: false }`
[INFO] [stdout] 4d39893ce5be74763ad70713741f65d107358ed84b88306796a1634a5a9e0bc2
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b19d1bbd036d8fb3a5178e003c3727e493a0b68071bfda3a64d30571154ab265
[INFO] running `Command { std: "docker" "start" "-a" "b19d1bbd036d8fb3a5178e003c3727e493a0b68071bfda3a64d30571154ab265", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling cbindgen v0.13.1
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[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 rand_core v0.5.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde 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-0ca587e5fd6e0956/build-script-build` (exit code: 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 '0d37dca25a51fb900a402c94c8818ad1c2789e30'
[INFO] [stderr]   To install, run `rustup component add rustfmt --toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30`
[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:     0x5604db004910 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5604db004910 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5604db004910 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5604db004910 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5604db02adcc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x5604db000e72 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x5604db0074cd - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5604db0074cd - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5604db0074cd - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x5604db007178 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x5604db007bd6 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:581
[INFO] [stderr]     11:     0x5604db007759 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x5604db004d9c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5604db007719 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x5604db0293c1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x5604db0291e3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/option.rs:1234
[INFO] [stderr]     16:     0x5604da54509b - core::result::Result<T,E>::unwrap::h43175b42c06bf33a
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/result.rs:973
[INFO] [stderr]     17:     0x5604da5aac32 - cbindgen::bindgen::bindings::Bindings::write_to_file::h06b143b66667fb42
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.13.1/src/bindgen/bindings.rs:101
[INFO] [stderr]     18:     0x5604da550aa6 - build_script_build::generate_cpp_bindings::h5d8885cb89fa1a3f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:46
[INFO] [stderr]     19:     0x5604da550b6b - build_script_build::main::h2a4f66e58d7208d1
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:56
[INFO] [stderr]     20:     0x5604da5575fb - core::ops::function::FnOnce::call_once::hd15e5823f2002cf7
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/ops/function.rs:227
[INFO] [stderr]     21:     0x5604da5562ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h3210ee2f75aca3c9
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     22:     0x5604da556691 - std::rt::lang_start::{{closure}}::hb0eea412ba8c96fe
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:66
[INFO] [stderr]     23:     0x5604db0080c7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/ops/function.rs:259
[INFO] [stderr]     24:     0x5604db0080c7 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:381
[INFO] [stderr]     25:     0x5604db0080c7 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:345
[INFO] [stderr]     26:     0x5604db0080c7 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panic.rs:382
[INFO] [stderr]     27:     0x5604db0080c7 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:51
[INFO] [stderr]     28:     0x5604da556667 - std::rt::lang_start::ha893ca5cdad71ef8
[INFO] [stderr]                                  at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:65
[INFO] [stderr]     29:     0x5604da550b9a - main
[INFO] [stderr]     30:     0x7f59c35840b3 - __libc_start_main
[INFO] [stderr]     31:     0x5604da47f0ee - _start
[INFO] [stderr]     32:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b19d1bbd036d8fb3a5178e003c3727e493a0b68071bfda3a64d30571154ab265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19d1bbd036d8fb3a5178e003c3727e493a0b68071bfda3a64d30571154ab265", kill_on_drop: false }`
[INFO] [stdout] b19d1bbd036d8fb3a5178e003c3727e493a0b68071bfda3a64d30571154ab265