[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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/leekt216/rust_folding_blockchain"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/leekt216/rust_folding_blockchain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leekt216/rust_folding_blockchain" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/leekt216/rust_folding_blockchain"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of leekt216/rust_folding_blockchain on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking leekt216/rust_folding_blockchain against master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-2/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/leekt216/rust_folding_blockchain:/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" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 610efe1c8ca199fc550d3f9610ed9a6c7b9a6890883ba43bcfda2038b73d429f
[INFO] running `"docker" "start" "-a" "610efe1c8ca199fc550d3f9610ed9a6c7b9a6890883ba43bcfda2038b73d429f"`
[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-d7dceddf8d7cc8fa/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:     0x559d9361f24b - backtrace::backtrace::libunwind::trace::h71e4540e71944056
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x559d9361f24b - backtrace::backtrace::trace_unsynchronized::hffa2876a8790e01b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x559d9361f24b - std::sys_common::backtrace::_print::h371b924ab74cc773
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x559d9361f24b - std::sys_common::backtrace::print::hf78899287e85cf2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x559d9361f24b - std::panicking::default_hook::{{closure}}::h05c8d3553d86c2ee
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x559d9361ef4c - std::panicking::default_hook::h7c20415196a07833
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x559d9361f910 - std::panicking::rust_panic_with_hook::h6ba877a55cae0bf5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x559d9361f492 - std::panicking::continue_panic_fmt::h56f73b67c1dd17cd
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x559d9361f376 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x559d93639b3d - core::panicking::panic_fmt::h154071fbd0349f01
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x559d93639ba7 - core::option::expect_failed::had8bb7566e6b2f6a
[INFO] [stderr]                                at src/libcore/option.rs:1036
[INFO] [stderr]   11:     0x559d93604d2c - core::option::Option<T>::expect::h60c8ad4925dde253
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libcore/option.rs:314
[INFO] [stderr]   12:     0x559d93607130 - build_script_build::build_snappy::he063827aa417539b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46
[INFO] [stderr]   13:     0x559d9360873d - build_script_build::main::h006de4d89a7813e8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:125
[INFO] [stderr]   14:     0x559d9360cc20 - std::rt::lang_start::{{closure}}::h2983b7c279a5e498
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x559d9361f363 - std::rt::lang_start_internal::{{closure}}::h09082dcbd0a154ff
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x559d9361f363 - std::panicking::try::do_call::h1a2983cc32cc1de1
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x559d93626cfa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   18:     0x559d9361fe1d - std::panicking::try::hb2142adcc3ab321d
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x559d9361fe1d - std::panic::catch_unwind::h01a1f6df3a4217f6
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x559d9361fe1d - std::rt::lang_start_internal::ha9e35ae2968d2203
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x559d9360cbf9 - std::rt::lang_start::ha3b20d69cdef74cf
[INFO] [stderr]                                at /rustc/8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x559d9360953a - main
[INFO] [stderr]   23:     0x7f32c36732e1 - __libc_start_main
[INFO] [stderr]   24:     0x559d935e35ba - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "610efe1c8ca199fc550d3f9610ed9a6c7b9a6890883ba43bcfda2038b73d429f"`
[INFO] running `"docker" "rm" "-f" "610efe1c8ca199fc550d3f9610ed9a6c7b9a6890883ba43bcfda2038b73d429f"`
[INFO] [stdout] 610efe1c8ca199fc550d3f9610ed9a6c7b9a6890883ba43bcfda2038b73d429f