[INFO] updating cached repository anjukibeti/vpnagraq
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anjukibeti/vpnagraq
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anjukibeti/vpnagraq" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/anjukibeti/vpnagraq"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/anjukibeti/vpnagraq'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anjukibeti/vpnagraq" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/anjukibeti/vpnagraq"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/anjukibeti/vpnagraq'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e68ff2ba6a70ed5c298bee54a450d9e83a820c1c
[INFO] sha for GitHub repo anjukibeti/vpnagraq: e68ff2ba6a70ed5c298bee54a450d9e83a820c1c
[INFO] validating manifest of anjukibeti/vpnagraq on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of anjukibeti/vpnagraq on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing anjukibeti/vpnagraq
[INFO] finished frobbing anjukibeti/vpnagraq
[INFO] frobbed toml for anjukibeti/vpnagraq written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/anjukibeti/vpnagraq/Cargo.toml
[INFO] started frobbing anjukibeti/vpnagraq
[INFO] finished frobbing anjukibeti/vpnagraq
[INFO] frobbed toml for anjukibeti/vpnagraq written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/anjukibeti/vpnagraq/Cargo.toml
[INFO] crate anjukibeti/vpnagraq already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking anjukibeti/vpnagraq against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/anjukibeti/vpnagraq:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7fba30ce21909a9111993877bd6fcc59c231a6bfced138ca554d696eb4b4ad41
[INFO] running `"docker" "start" "-a" "7fba30ce21909a9111993877bd6fcc59c231a6bfced138ca554d696eb4b4ad41"`
[INFO] [stderr]     Checking daemonize v0.2.3
[INFO] [stderr]     Checking xml-rs v0.3.5
[INFO] [stderr]    Compiling vpncloud v0.8.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking aligned_alloc v0.1.2
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking nix v0.6.0
[INFO] [stderr]     Checking hyper v0.9.14
[INFO] [stderr] error: failed to run custom build command for `vpncloud v0.8.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/vpncloud-d64f0b2a9a16de8e/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/crater/target/debug/build/vpncloud-97da74044b6a1dce/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/crater/target/debug/build/vpncloud-97da74044b6a1dce/out/libtuntap.a" "/opt/crater/target/debug/build/vpncloud-97da74044b6a1dce/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/crater/target/debug/build/vpncloud-97da74044b6a1dce/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" }', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5597d4780cbb - backtrace::backtrace::libunwind::trace::h99e6362fdb92a8eb
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5597d4780cbb - backtrace::backtrace::trace_unsynchronized::hb03857eb223d1e1b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5597d4780cbb - std::sys_common::backtrace::_print::hc504093b15dd6a49
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5597d4780cbb - std::sys_common::backtrace::print::h74592d8df46164e6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5597d4780cbb - std::panicking::default_hook::{{closure}}::h148953d9747d04f4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5597d4780996 - std::panicking::default_hook::h72a253311e200c7c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5597d478137d - std::panicking::rust_panic_with_hook::h625fcf59e672b6a0
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5597d4780f02 - std::panicking::continue_panic_fmt::hb865580971245aec
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5597d4780de6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x5597d479be2d - core::panicking::panic_fmt::h88ab02319bb01bbf
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x5597d479bf27 - core::result::unwrap_failed::hcd16c30e39593715
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x5597d474ccef - core::result::Result<T,E>::unwrap::h5e03d63f32b61db2
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x5597d47017fb - build_script_build::main::hd605c45c5eb02e9c
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:21
[INFO] [stderr]   13:     0x5597d4702970 - std::rt::lang_start::{{closure}}::h7aa4c6f5f7b40d66
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x5597d4780dd3 - std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x5597d4780dd3 - std::panicking::try::do_call::h85f9b79f07affa28
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x5597d47888fa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x5597d478188d - std::panicking::try::h0463127fe79abe73
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x5597d478188d - std::panic::catch_unwind::h846bfd7d9d99e56b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x5597d478188d - std::rt::lang_start_internal::h0a72d627fb2e90ec
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x5597d4702949 - std::rt::lang_start::hf68e1855ed467ec6
[INFO] [stderr]                                at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5597d47020ea - main
[INFO] [stderr]   22:     0x7fbe357152e1 - __libc_start_main
[INFO] [stderr]   23:     0x5597d470068a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7fba30ce21909a9111993877bd6fcc59c231a6bfced138ca554d696eb4b4ad41"`
[INFO] running `"docker" "rm" "-f" "7fba30ce21909a9111993877bd6fcc59c231a6bfced138ca554d696eb4b4ad41"`
[INFO] [stdout] 7fba30ce21909a9111993877bd6fcc59c231a6bfced138ca554d696eb4b4ad41