[INFO] cloning repository mykmelez/kvbench
[INFO] running `"git" "clone" "--bare" "git://github.com/mykmelez/kvbench.git" "work/cache/sources/gh/mykmelez/kvbench"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mykmelez/kvbench'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mykmelez/kvbench" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mykmelez/kvbench"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mykmelez/kvbench'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mykmelez/kvbench" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mykmelez/kvbench"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mykmelez/kvbench'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b2775b8de089138a7358480bc4b4dbfea53e98e
[INFO] sha for GitHub repo mykmelez/kvbench: 1b2775b8de089138a7358480bc4b4dbfea53e98e
[INFO] validating manifest of mykmelez/kvbench on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mykmelez/kvbench on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mykmelez/kvbench
[INFO] finished frobbing mykmelez/kvbench
[INFO] frobbed toml for mykmelez/kvbench written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/mykmelez/kvbench/Cargo.toml
[INFO] started frobbing mykmelez/kvbench
[INFO] finished frobbing mykmelez/kvbench
[INFO] frobbed toml for mykmelez/kvbench written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mykmelez/kvbench/Cargo.toml
[INFO] crate mykmelez/kvbench already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mykmelez/kvbench against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/mykmelez/kvbench:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c92e95c74df799e46c26298530a798996ded5cdb4178c1c0beff101bdb5dcf0
[INFO] running `"docker" "start" "-a" "1c92e95c74df799e46c26298530a798996ded5cdb4178c1c0beff101bdb5dcf0"`
[INFO] [stderr]    Compiling leveldb-sys v2.0.1
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]     Checking page_size v0.4.1
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking criterion-plot v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]     Checking criterion-stats v0.2.4
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr] error: failed to run custom build command for `leveldb-sys v2.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/leveldb-sys-ce40d3dbb6b34c6a/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] [build] Started
[INFO] [stderr] [snappy] Cleaning
[INFO] [stderr] make: Entering directory '/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr] make: Leaving directory '/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr] [snappy] Configuring
[INFO] [stderr] [snappy] Building
[INFO] [stderr] make: Entering directory '/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr] make: Leaving directory '/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr] [build] Copying output files
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] make: *** No rule to make target 'distclean'.  Stop.
[INFO] [stderr] ./configure: line 2175: config.log: Read-only file system
[INFO] [stderr] ./configure: line 2185: config.log: Read-only file system
[INFO] [stderr] make: *** No targets specified and no makefile found.  Stop.
[INFO] [stderr] thread 'main' panicked at 'copy of output files failed', src/libcore/option.rs:1034:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55901a4e402b - backtrace::backtrace::libunwind::trace::h8758853b907b30fd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55901a4e402b - backtrace::backtrace::trace_unsynchronized::h979d07d4bfdce29c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55901a4e402b - std::sys_common::backtrace::_print::ha749bbdb811617ea
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55901a4e402b - std::sys_common::backtrace::print::h86a6ff63a904e869
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55901a4e402b - std::panicking::default_hook::{{closure}}::h68500b20afb715b9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55901a4e3d07 - std::panicking::default_hook::ha801ade4ae33c264
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55901a4e46f0 - std::panicking::rust_panic_with_hook::hfb51b615c6060100
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55901a4e4272 - std::panicking::continue_panic_fmt::h94bd84d5bf32c833
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55901a4e4156 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55901a4fe4ad - core::panicking::panic_fmt::h8a74e5820cacd07c
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55901a4fe517 - core::option::expect_failed::hc233d79a7845c56c
[INFO] [stderr]                                at src/libcore/option.rs:1034
[INFO] [stderr]   11:     0x55901a4c99ba - core::option::Option<T>::expect::hd36f905c8d3fd064
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libcore/option.rs:314
[INFO] [stderr]   12:     0x55901a4cbcb0 - build_script_build::build_snappy::hbad5fef7b5e64d77
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46
[INFO] [stderr]   13:     0x55901a4cd2bd - build_script_build::main::h3c907755f190726a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:125
[INFO] [stderr]   14:     0x55901a4d1a60 - std::rt::lang_start::{{closure}}::he9419c4098b29c25
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55901a4e4143 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55901a4e4143 - std::panicking::try::do_call::h51cc84caa9338daf
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x55901a4eb64a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x55901a4e4bfd - std::panicking::try::heb9d5da34e3fa707
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x55901a4e4bfd - std::panic::catch_unwind::he2a2041733180f4c
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x55901a4e4bfd - std::rt::lang_start_internal::h9e24cef029766dfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55901a4d1a39 - std::rt::lang_start::haa56f908efe4ed93
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55901a4ce0ca - main
[INFO] [stderr]   23:     0x7f481941b2e1 - __libc_start_main
[INFO] [stderr]   24:     0x55901a4a84fa - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1c92e95c74df799e46c26298530a798996ded5cdb4178c1c0beff101bdb5dcf0"`
[INFO] running `"docker" "rm" "-f" "1c92e95c74df799e46c26298530a798996ded5cdb4178c1c0beff101bdb5dcf0"`
[INFO] [stdout] 1c92e95c74df799e46c26298530a798996ded5cdb4178c1c0beff101bdb5dcf0