[INFO] updating cached repository jechase/rq
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jechase/rq
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jechase/rq" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/jechase/rq"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/jechase/rq'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jechase/rq" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/jechase/rq"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/jechase/rq'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 996709603b1d9db2574bb1b4f1d978853733e3a3
[INFO] sha for GitHub repo jechase/rq: 996709603b1d9db2574bb1b4f1d978853733e3a3
[INFO] validating manifest of jechase/rq on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jechase/rq on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jechase/rq
[INFO] finished frobbing jechase/rq
[INFO] frobbed toml for jechase/rq written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/jechase/rq/Cargo.toml
[INFO] started frobbing jechase/rq
[INFO] finished frobbing jechase/rq
[INFO] frobbed toml for jechase/rq written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/jechase/rq/Cargo.toml
[INFO] crate jechase/rq already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/jechase/rq/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/skade/leveldb.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/skade/leveldb.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jechase/rq against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/jechase/rq:/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 843d0c3e68951f41077087dfaea66478f0d200dc264e08ebee2f7f35be6d85e7
[INFO] running `"docker" "start" "-a" "843d0c3e68951f41077087dfaea66478f0d200dc264e08ebee2f7f35be6d85e7"`
[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-922325bb2fce4e69/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:     0x559c86b0f24b - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x559c86b0f24b - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x559c86b0f24b - std::sys_common::backtrace::_print::h2896bece16680b31
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x559c86b0f24b - std::sys_common::backtrace::print::h5f4d4b954705d426
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x559c86b0f24b - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x559c86b0ef4c - std::panicking::default_hook::h4b88c02cc00064f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x559c86b0f910 - std::panicking::rust_panic_with_hook::he5596ad1952b7279
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x559c86b0f492 - std::panicking::continue_panic_fmt::h13f3a9aeaf0459c4
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x559c86b0f376 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x559c86b29b3d - core::panicking::panic_fmt::h35cf1b39b1635ed5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x559c86b29ba7 - core::option::expect_failed::h02d336d2cd5ae0c6
[INFO] [stderr]                                at src/libcore/option.rs:1034
[INFO] [stderr]   11:     0x559c86af4dec - core::option::Option<T>::expect::hd8a7a3210609504e
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libcore/option.rs:314
[INFO] [stderr]   12:     0x559c86af70c0 - build_script_build::build_snappy::h76338bf84a7de49d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46
[INFO] [stderr]   13:     0x559c86af86cd - build_script_build::main::hc15571a1e5715ffc
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:125
[INFO] [stderr]   14:     0x559c86afcbf0 - std::rt::lang_start::{{closure}}::he273f58d2dc3c58b
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x559c86b0f363 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x559c86b0f363 - std::panicking::try::do_call::h657ecdd23710c935
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x559c86b16cfa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x559c86b0fe1d - std::panicking::try::h52772d620cb80373
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x559c86b0fe1d - std::panic::catch_unwind::hac02eb84ea8f3a3e
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x559c86b0fe1d - std::rt::lang_start_internal::h9fab34d7c96dfdc9
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x559c86afcbc9 - std::rt::lang_start::h23147e17a57d462f
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x559c86af94ca - main
[INFO] [stderr]   23:     0x7fb347bad2e1 - __libc_start_main
[INFO] [stderr]   24:     0x559c86ad35ba - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "843d0c3e68951f41077087dfaea66478f0d200dc264e08ebee2f7f35be6d85e7"`
[INFO] running `"docker" "rm" "-f" "843d0c3e68951f41077087dfaea66478f0d200dc264e08ebee2f7f35be6d85e7"`
[INFO] [stdout] 843d0c3e68951f41077087dfaea66478f0d200dc264e08ebee2f7f35be6d85e7