[INFO] fetching crate dirent-sys 0.2.0...
[INFO] checking dirent-sys-0.2.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate dirent-sys 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dirent-sys 0.2.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dirent-sys 0.2.0
[INFO] finished tweaking crates.io crate dirent-sys 0.2.0
[INFO] tweaked toml for crates.io crate dirent-sys 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded clang-sys v0.22.0
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded ucd-util v0.1.8
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded which v1.0.5
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded bindgen v0.33.2
[INFO] [stderr]   Downloaded cexpr v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17162e585ef437918579704e95094a6fdb01be10aeab24376337904a5361a264
[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" "17162e585ef437918579704e95094a6fdb01be10aeab24376337904a5361a264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17162e585ef437918579704e95094a6fdb01be10aeab24376337904a5361a264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17162e585ef437918579704e95094a6fdb01be10aeab24376337904a5361a264", kill_on_drop: false }`
[INFO] [stdout] 17162e585ef437918579704e95094a6fdb01be10aeab24376337904a5361a264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c2c777ede16e22c039ee48933295d2779b676a0c55b3fe71692334de1e469e
[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" "77c2c777ede16e22c039ee48933295d2779b676a0c55b3fe71692334de1e469e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.33.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling dirent-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `dirent-sys v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/dirent-sys-c1ef457eb98cbb11/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-lib=bcc
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   warning: /usr/bin/../lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10: 'linker' input unused [-Wunused-command-line-argument], err: false
[INFO] [stderr]   thread 'main' panicked at 'Couldn't write dirent bindings!: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:32:6
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55873ff86260 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55873ff86260 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55873ff86260 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55873ff86260 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3cd15d7003dec37a
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55873ffab2bc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/fmt/mod.rs:1082
[INFO] [stderr]      5:     0x55873ff82b87 - std::io::Write::write_fmt::hac61caff894c35ae
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x55873ff88660 - std::sys_common::backtrace::_print::haa2f390fb7957e3e
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55873ff88660 - std::sys_common::backtrace::print::h48c7cbbad9013bb1
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55873ff88660 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55873ff883ac - std::panicking::default_hook::h2f00c78800d98e4c
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55873ff88cc3 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55873ff88899 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x55873ff866cc - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55873ff88859 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x55873ffa9891 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55873ffa96b3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x55873faf524c - core::result::Result<T,E>::expect::hfe8f0972cfa084e3
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x55873fade47b - build_script_build::build_bindings::hc556788409493456
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:30
[INFO] [stderr]     18:     0x55873fade1c9 - build_script_build::main::hf2d0feafb324d5e8
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:8
[INFO] [stderr]     19:     0x55873fadf3cb - core::ops::function::FnOnce::call_once::h282c286bc9eea075
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:227
[INFO] [stderr]     20:     0x55873fadf29e - std::sys_common::backtrace::__rust_begin_short_backtrace::h1e300b49a9af37b5
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     21:     0x55873fadf0e1 - std::rt::lang_start::{{closure}}::hac80604e6edbc551
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:66
[INFO] [stderr]     22:     0x55873ff890c1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hecc21eb9018cc197
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:259
[INFO] [stderr]     23:     0x55873ff890c1 - std::panicking::try::do_call::h174ad655d084b5c7
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:381
[INFO] [stderr]     24:     0x55873ff890c1 - std::panicking::try::h479e6054ce28de10
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:345
[INFO] [stderr]     25:     0x55873ff890c1 - std::panic::catch_unwind::hb558ddea2b3e9c45
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panic.rs:382
[INFO] [stderr]     26:     0x55873ff890c1 - std::rt::lang_start_internal::h163149047f0a8b61
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:51
[INFO] [stderr]     27:     0x55873fadf0b7 - std::rt::lang_start::h2b15a2d8310f32ab
[INFO] [stderr]                                  at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:65
[INFO] [stderr]     28:     0x55873fadeaba - main
[INFO] [stderr]     29:     0x7f040239d0b3 - __libc_start_main
[INFO] [stderr]     30:     0x55873fade0ce - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "77c2c777ede16e22c039ee48933295d2779b676a0c55b3fe71692334de1e469e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c2c777ede16e22c039ee48933295d2779b676a0c55b3fe71692334de1e469e", kill_on_drop: false }`
[INFO] [stdout] 77c2c777ede16e22c039ee48933295d2779b676a0c55b3fe71692334de1e469e