[INFO] cloning repository https://github.com/anjukibeti/vpnagraq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anjukibeti/vpnagraq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanjukibeti%2Fvpnagraq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanjukibeti%2Fvpnagraq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e68ff2ba6a70ed5c298bee54a450d9e83a820c1c
[INFO] checking anjukibeti/vpnagraq against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanjukibeti%2Fvpnagraq" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anjukibeti/vpnagraq on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/anjukibeti/vpnagraq
[INFO] finished tweaking git repo https://github.com/anjukibeti/vpnagraq
[INFO] tweaked toml for git repo https://github.com/anjukibeti/vpnagraq written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/anjukibeti/vpnagraq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", 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] b0a251df3107dee0554e8ef1e03bf6f895337e5d33727b37baa0928def98e3ef
[INFO] running `Command { std: "docker" "start" "-a" "b0a251df3107dee0554e8ef1e03bf6f895337e5d33727b37baa0928def98e3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a251df3107dee0554e8ef1e03bf6f895337e5d33727b37baa0928def98e3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a251df3107dee0554e8ef1e03bf6f895337e5d33727b37baa0928def98e3ef", kill_on_drop: false }`
[INFO] [stdout] b0a251df3107dee0554e8ef1e03bf6f895337e5d33727b37baa0928def98e3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5fe226af81c58ba761f4292d3ee11f5edda7887c338cb033bf5e240b8551706
[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" "f5fe226af81c58ba761f4292d3ee11f5edda7887c338cb033bf5e240b8551706", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking unicode-normalization v0.1.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking siphasher v0.2.0
[INFO] [stderr]     Checking xml-rs v0.3.5
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num_cpus v1.2.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking daemonize v0.2.3
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking aligned_alloc v0.1.2
[INFO] [stderr]    Compiling vpncloud v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking xmltree v0.3.2
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr] error: failed to run custom build command for `vpncloud v0.8.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/vpncloud-a40a93f16ed6bd67/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   PROFILE = Some("debug")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   debug=true opt-level=0
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-m64" "-fPIC" "-I" "src" "-o" "/opt/rustwide/target/debug/build/vpncloud-b041496992ba2f49/out/src/c/tuntap.o" "-c" "src/c/tuntap.c"
[INFO] [stderr]   ExitStatus(ExitStatus(0))
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_AR = None
[INFO] [stderr]   AR = None
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   running: "ar" "crs" "/opt/rustwide/target/debug/build/vpncloud-b041496992ba2f49/out/libtuntap.a" "/opt/rustwide/target/debug/build/vpncloud-b041496992ba2f49/out/src/c/tuntap.o"
[INFO] [stderr]   ExitStatus(ExitStatus(0))
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   cargo:rustc-link-lib=static=tuntap
[INFO] [stderr]   cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/vpncloud-b041496992ba2f49/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:21:55
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557a9822ba10 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x557a9822ba10 - std::backtrace_rs::backtrace::trace_unsynchronized::h881b9d30a8a89a0c
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557a9822ba10 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x557a9822ba10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x557a9824a6dc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x557a982279e2 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x557a9822dd75 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x557a9822dd75 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x557a9822dd75 - std::panicking::default_hook::{{closure}}::h8d48653392f3b04c
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x557a9822da18 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x557a9822e4b1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x557a9822dff7 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x557a9822beac - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x557a9822df59 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x557a982499f1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x557a98249813 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x557a981ff090 - core::result::Result<T,E>::unwrap::h7c743737098ec062
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x557a981e0e54 - build_script_build::main::h383b0cb22846127f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:21:13
[INFO] [stderr]     18:     0x557a981e3d0b - core::ops::function::FnOnce::call_once::hde76ddfcc9a06104
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x557a981e1cbe - std::sys_common::backtrace::__rust_begin_short_backtrace::hd51f4630351e587b
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x557a981e1b71 - std::rt::lang_start::{{closure}}::ha02a2424d0117693
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x557a9822e8d7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x557a9822e8d7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:381:40
[INFO] [stderr]     23:     0x557a9822e8d7 - std::panicking::try::hcc68eba0f7d51b82
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panicking.rs:345:19
[INFO] [stderr]     24:     0x557a9822e8d7 - std::panic::catch_unwind::h2e8cfcfcf4f9eb6d
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/panic.rs:382:14
[INFO] [stderr]     25:     0x557a9822e8d7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x557a981e1b47 - std::rt::lang_start::h60135f66d36b1923
[INFO] [stderr]                                  at /rustc/430feb24a46993e5073c1bb1b39da190d83fa2bf/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x557a981e17da - main
[INFO] [stderr]     28:     0x7f9dd93940b3 - __libc_start_main
[INFO] [stderr]     29:     0x557a981e00be - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f5fe226af81c58ba761f4292d3ee11f5edda7887c338cb033bf5e240b8551706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5fe226af81c58ba761f4292d3ee11f5edda7887c338cb033bf5e240b8551706", kill_on_drop: false }`
[INFO] [stdout] f5fe226af81c58ba761f4292d3ee11f5edda7887c338cb033bf5e240b8551706