[INFO] fetching crate exonum_rocksdb 0.7.6...
[INFO] checking exonum_rocksdb-0.7.6 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate exonum_rocksdb 0.7.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate exonum_rocksdb 0.7.6 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exonum_rocksdb 0.7.6
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate exonum_rocksdb 0.7.6
[INFO] tweaked toml for crates.io crate exonum_rocksdb 0.7.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 131852e135c7acbad09bf6f9d9fdf640b3fd154be25caacd01ddef92533a2a71
[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" "131852e135c7acbad09bf6f9d9fdf640b3fd154be25caacd01ddef92533a2a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "131852e135c7acbad09bf6f9d9fdf640b3fd154be25caacd01ddef92533a2a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131852e135c7acbad09bf6f9d9fdf640b3fd154be25caacd01ddef92533a2a71", kill_on_drop: false }`
[INFO] [stdout] 131852e135c7acbad09bf6f9d9fdf640b3fd154be25caacd01ddef92533a2a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8670184574d5676ed71dad210ad7a8104fbb66db2e35f4679d70dac9dbf6bf90
[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" "8670184574d5676ed71dad210ad7a8104fbb66db2e35f4679d70dac9dbf6bf90", kill_on_drop: false }`
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling exonum_librocksdb-sys v0.5.5
[INFO] [stderr] error: failed to run custom build command for `exonum_librocksdb-sys v0.5.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/exonum_librocksdb-sys-634e885e5e90a75c/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBSNAPPY_NO_PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBSNAPPY_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBSNAPPY_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'To create dir: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.5/build.rs:198:22
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x558027f2e650 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x558027f2e650 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558027f2e650 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x558027f2e650 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x558027f4f6dc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x558027f2a352 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x558027f31195 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x558027f31195 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x558027f31195 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x558027f30e38 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x558027f31931 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x558027f31477 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x558027f2eaec - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x558027f313d9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x558027f4ea81 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x558027f4e8a3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x558027ef475f - core::result::Result<T,E>::expect::hc68ed408c795c152
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/result.rs:933:23
[INFO] [stderr]     17:     0x558027e76623 - build_script_build::get_local_src_if::h3b776b0b7666c09f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.5/build.rs:198:5
[INFO] [stderr]     18:     0x558027e76c22 - build_script_build::main::h23f7b984da1985a8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/exonum_librocksdb-sys-0.5.5/build.rs:229:9
[INFO] [stderr]     19:     0x558027e7ad3b - core::ops::function::FnOnce::call_once::hdba6258d3d2a0032
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x558027e7803e - std::sys_common::backtrace::__rust_begin_short_backtrace::he760f392d66eab9e
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x558027e7abb1 - std::rt::lang_start::{{closure}}::h496e3ee6377dd2de
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x558027f31d57 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x558027f31d57 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:381:40
[INFO] [stderr]     24:     0x558027f31d57 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:345:19
[INFO] [stderr]     25:     0x558027f31d57 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x558027f31d57 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x558027e7ab87 - std::rt::lang_start::h83166303d07fddbc
[INFO] [stderr]                                  at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x558027e76cca - main
[INFO] [stderr]     29:     0x7f4a9fe0c0b3 - __libc_start_main
[INFO] [stderr]     30:     0x558027e750ce - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8670184574d5676ed71dad210ad7a8104fbb66db2e35f4679d70dac9dbf6bf90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8670184574d5676ed71dad210ad7a8104fbb66db2e35f4679d70dac9dbf6bf90", kill_on_drop: false }`
[INFO] [stdout] 8670184574d5676ed71dad210ad7a8104fbb66db2e35f4679d70dac9dbf6bf90