[INFO] cloning repository jechase/rq
[INFO] running `"git" "clone" "--bare" "git://github.com/jechase/rq.git" "work/cache/sources/gh/jechase/rq"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jechase/rq'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jechase/rq" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jechase/rq"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jechase/rq'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jechase/rq" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jechase/rq"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jechase/rq on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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[INFO] the lockfile is outdated, regenerating it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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jechase/rq against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 707c53b37833d4257b319cbfa0c9fb9cfcc7d64e739e685811eba0f7b67be045
[INFO] running `"docker" "start" "-a" "707c53b37833d4257b319cbfa0c9fb9cfcc7d64e739e685811eba0f7b67be045"`
[INFO] [stderr]    Compiling leveldb-sys v2.0.1
[INFO] [stderr]    Compiling 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-b39272e47094c0a0/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:     0x55ee887fc13b - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ee887fc13b - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ee887fc13b - std::sys_common::backtrace::_print::hd27175ce39811176
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ee887fc13b - std::sys_common::backtrace::print::h117e2eebf9a1e122
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ee887fc13b - std::panicking::default_hook::{{closure}}::h6369b988ee675335
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55ee887fbe3c - std::panicking::default_hook::hfaefd2bea4c25f9e
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55ee887fc800 - std::panicking::rust_panic_with_hook::h02c52718165ccced
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55ee887fc382 - std::panicking::continue_panic_fmt::h9e135674c1df51b4
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55ee887fc266 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x55ee88816a2d - core::panicking::panic_fmt::h58c956553ac8538f
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55ee88816a97 - core::option::expect_failed::hd8a7fb762f3eef1a
[INFO] [stderr]                                at src/libcore/option.rs:1036
[INFO] [stderr]   11:     0x55ee887e1b8c - core::option::Option<T>::expect::h8576e2b4f52edd03
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/option.rs:314
[INFO] [stderr]   12:     0x55ee887e3fe0 - build_script_build::build_snappy::h9c90705d4993c7ea
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46
[INFO] [stderr]   13:     0x55ee887e55ed - build_script_build::main::h09e4a62caf2bb2f9
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:125
[INFO] [stderr]   14:     0x55ee887e9b10 - std::rt::lang_start::{{closure}}::h2439a47c5df0154d
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55ee887fc253 - std::rt::lang_start_internal::{{closure}}::hcbc5c8394111530e
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55ee887fc253 - std::panicking::try::do_call::h84c4ef65129422bb
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x55ee88803bea - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   18:     0x55ee887fcd0d - std::panicking::try::h2c4ddfbb8ee8ea48
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x55ee887fcd0d - std::panic::catch_unwind::hdaf4c8aaf8d806d4
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x55ee887fcd0d - std::rt::lang_start_internal::h62b0fb13d258520d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55ee887e9ae9 - std::rt::lang_start::h688488f87cc058cf
[INFO] [stderr]                                at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55ee887e63ea - main
[INFO] [stderr]   23:     0x7f03d34122e1 - __libc_start_main
[INFO] [stderr]   24:     0x55ee887c05ba - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "707c53b37833d4257b319cbfa0c9fb9cfcc7d64e739e685811eba0f7b67be045"`
[INFO] running `"docker" "rm" "-f" "707c53b37833d4257b319cbfa0c9fb9cfcc7d64e739e685811eba0f7b67be045"`
[INFO] [stdout] 707c53b37833d4257b319cbfa0c9fb9cfcc7d64e739e685811eba0f7b67be045