[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] documenting anjukibeti/vpnagraq against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanjukibeti%2Fvpnagraq" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anjukibeti/vpnagraq on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-107/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-107/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" "+1.54.0" "fetch" "--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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 131ddaf86d8ccd91e606d70fb1579e700675281ab05e2e10a01c080712d0649f
[INFO] running `Command { std: "docker" "start" "-a" "131ddaf86d8ccd91e606d70fb1579e700675281ab05e2e10a01c080712d0649f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "131ddaf86d8ccd91e606d70fb1579e700675281ab05e2e10a01c080712d0649f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131ddaf86d8ccd91e606d70fb1579e700675281ab05e2e10a01c080712d0649f", kill_on_drop: false }`
[INFO] [stdout] 131ddaf86d8ccd91e606d70fb1579e700675281ab05e2e10a01c080712d0649f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c2ee79387f4c8c160ad8cb42b84d8e5f9f2ff8dfb382fcd6f87992d3da431e9
[INFO] running `Command { std: "docker" "start" "-a" "5c2ee79387f4c8c160ad8cb42b84d8e5f9f2ff8dfb382fcd6f87992d3da431e9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[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 utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking httparse v1.2.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking siphasher v0.2.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking xml-rs v0.3.5
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[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 thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.35
[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 aligned_alloc v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking xmltree v0.3.2
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling vpncloud v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking regex v0.1.80
[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-75a7bc2cf1b1e64a/build-script-build` (exit status: 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-45ecfe4e8d9d5bb8/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-45ecfe4e8d9d5bb8/out/libtuntap.a" "/opt/rustwide/target/debug/build/vpncloud-45ecfe4e8d9d5bb8/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-45ecfe4e8d9d5bb8/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:     0x563c90ffb270 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x563c90ffb270 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563c90ffb270 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x563c90ffb270 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x563c91019f2c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x563c90ff7da5 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x563c90ffd10b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x563c90ffd10b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x563c90ffd10b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x563c90ffcbe1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x563c90ffd7d4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x563c90ffd2b7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x563c90ffb76c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x563c90ffd219 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x563c90fb22f1 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x563c90fb2383 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x563c90fde097 - core::result::Result<T,E>::unwrap::h4c0c873be3823185
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x563c90fb5adb - build_script_build::main::h1e8a8749e503f0ac
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:21:13
[INFO] [stderr]     18:     0x563c90fb3e5b - core::ops::function::FnOnce::call_once::h82fea49f5d207764
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x563c90fb6bae - std::sys_common::backtrace::__rust_begin_short_backtrace::h6c061d90e67312d6
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x563c90fb4351 - std::rt::lang_start::{{closure}}::h716d4704e2e5545a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x563c90ffdcd9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x563c90ffdcd9 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x563c90ffdcd9 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x563c90ffdcd9 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x563c90ffdcd9 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x563c90fb4330 - std::rt::lang_start::h5d950fd759b800a7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x563c90fb639c - main
[INFO] [stderr]     28:     0x7f5771bd70b3 - __libc_start_main
[INFO] [stderr]     29:     0x563c90fb2a6e - _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" "5c2ee79387f4c8c160ad8cb42b84d8e5f9f2ff8dfb382fcd6f87992d3da431e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c2ee79387f4c8c160ad8cb42b84d8e5f9f2ff8dfb382fcd6f87992d3da431e9", kill_on_drop: false }`
[INFO] [stdout] 5c2ee79387f4c8c160ad8cb42b84d8e5f9f2ff8dfb382fcd6f87992d3da431e9
