[INFO] updating cached repository leekt216/rust_folding_blockchain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leekt216/rust_folding_blockchain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leekt216/rust_folding_blockchain" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/leekt216/rust_folding_blockchain"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/leekt216/rust_folding_blockchain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leekt216/rust_folding_blockchain" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/leekt216/rust_folding_blockchain"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/leekt216/rust_folding_blockchain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c615aba8b3fc2eb0b2681691c9d23f8f315bb640
[INFO] sha for GitHub repo leekt216/rust_folding_blockchain: c615aba8b3fc2eb0b2681691c9d23f8f315bb640
[INFO] validating manifest of leekt216/rust_folding_blockchain on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of leekt216/rust_folding_blockchain on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing leekt216/rust_folding_blockchain
[INFO] finished frobbing leekt216/rust_folding_blockchain
[INFO] frobbed toml for leekt216/rust_folding_blockchain written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/leekt216/rust_folding_blockchain/Cargo.toml
[INFO] started frobbing leekt216/rust_folding_blockchain
[INFO] finished frobbing leekt216/rust_folding_blockchain
[INFO] frobbed toml for leekt216/rust_folding_blockchain written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/leekt216/rust_folding_blockchain/Cargo.toml
[INFO] crate leekt216/rust_folding_blockchain already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking leekt216/rust_folding_blockchain against try#42445ded8fd34235a676755cb5d079658ed51f6a for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-4/try#42445ded8fd34235a676755cb5d079658ed51f6a:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/leekt216/rust_folding_blockchain:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c62e0bd12c0a9c68d3945e70bc8d23e8a966b28aa10cc7069b89184ffa312fba
[INFO] running `"docker" "start" "-a" "c62e0bd12c0a9c68d3945e70bc8d23e8a966b28aa10cc7069b89184ffa312fba"`
[INFO] [stderr]    Compiling leveldb-sys v2.0.1
[INFO] [stderr]     Checking db-key v0.0.5
[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-7b6c3dd36d44f35d/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:1036:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56050eab3ec3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h4b8c8edcb4a1a884
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56050eaafbdb - std::sys_common::backtrace::_print::hb9cb43b8f3a26e66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x56050eab2cb6 - std::panicking::default_hook::{{closure}}::hda0ee4005e6ff283
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x56050eab2a49 - std::panicking::default_hook::hcd452a911bf63096
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x56050eab330f - std::panicking::rust_panic_with_hook::hf6a2e8487a670340
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x56050eab2e91 - std::panicking::continue_panic_fmt::h12123d2ede034222
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x56050eab2d75 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x56050eac918c - core::panicking::panic_fmt::h613654198c33a339
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x56050eac91f6 - core::option::expect_failed::h8ccb7c3b49875213
[INFO] [stderr]                                at src/libcore/option.rs:1036
[INFO] [stderr]    9:     0x56050ea93a89 - core::option::Option<T>::expect::hb22cf75be9efc773
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libcore/option.rs:314
[INFO] [stderr]   10:     0x56050ea9c93f - build_script_build::build_snappy::h1d2b8fa34f3d93ef
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46
[INFO] [stderr]   11:     0x56050ea9df4c - build_script_build::main::h13a69f7252d6b9b3
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:125
[INFO] [stderr]   12:     0x56050ea981df - std::rt::lang_start::{{closure}}::h080c45f84a4e45e7
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x56050eab2d62 - std::panicking::try::do_call::hcd6e20d3f55d90f4
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x56050eaba7e9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x56050eab381c - std::rt::lang_start_internal::h785c82e60cb8195f
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x56050ea981b8 - std::rt::lang_start::h2d9057f870ab36fb
[INFO] [stderr]                                at /rustc/42445ded8fd34235a676755cb5d079658ed51f6a/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x56050ea9ed49 - main
[INFO] [stderr]   18:     0x7f5139e902e0 - __libc_start_main
[INFO] [stderr]   19:     0x56050ea75ee9 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "c62e0bd12c0a9c68d3945e70bc8d23e8a966b28aa10cc7069b89184ffa312fba"`
[INFO] running `"docker" "rm" "-f" "c62e0bd12c0a9c68d3945e70bc8d23e8a966b28aa10cc7069b89184ffa312fba"`
[INFO] [stdout] c62e0bd12c0a9c68d3945e70bc8d23e8a966b28aa10cc7069b89184ffa312fba