[INFO] cloning repository https://github.com/mykmelez/kvbench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mykmelez/kvbench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmykmelez%2Fkvbench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmykmelez%2Fkvbench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b2775b8de089138a7358480bc4b4dbfea53e98e
[INFO] testing mykmelez/kvbench against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmykmelez%2Fkvbench" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mykmelez/kvbench on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mykmelez/kvbench
[INFO] finished tweaking git repo https://github.com/mykmelez/kvbench
[INFO] tweaked toml for git repo https://github.com/mykmelez/kvbench written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mykmelez/kvbench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded page_size v0.4.1
[INFO] [stderr]   Downloaded simplelog v0.5.2
[INFO] [stderr]   Downloaded criterion-stats v0.2.4
[INFO] [stderr]   Downloaded criterion-plot v0.2.4
[INFO] [stderr]   Downloaded itertools-num v0.1.1
[INFO] [stderr]   Downloaded criterion v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5da62ce3ccb3d34dc2bf2cd3df11a34a51839b53f2f2b7988a7710018e5ffc1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5da62ce3ccb3d34dc2bf2cd3df11a34a51839b53f2f2b7988a7710018e5ffc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5da62ce3ccb3d34dc2bf2cd3df11a34a51839b53f2f2b7988a7710018e5ffc1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da62ce3ccb3d34dc2bf2cd3df11a34a51839b53f2f2b7988a7710018e5ffc1f", kill_on_drop: false }`
[INFO] [stdout] 5da62ce3ccb3d34dc2bf2cd3df11a34a51839b53f2f2b7988a7710018e5ffc1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 618c3cc8435b740527cdf31f4d9cdc8ff0c93343206c4078428ed3fdc3d1cf19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "618c3cc8435b740527cdf31f4d9cdc8ff0c93343206c4078428ed3fdc3d1cf19", kill_on_drop: false }`
[INFO] [stderr]    Compiling leveldb-sys v2.0.1
[INFO] [stderr]    Compiling db-key v0.0.5
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[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/rustwide/target/debug/build/leveldb-sys-e8d49cc8d469d1d0/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   [build] Started
[INFO] [stderr]   [snappy] Cleaning
[INFO] [stderr]   make: Entering directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr]   make: Leaving directory '/opt/rustwide/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/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr]   make: Leaving directory '/opt/rustwide/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 2171: config.log: Read-only file system
[INFO] [stderr]   ./configure: line 2181: 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', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46:14
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55611bd6d865 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55611bd6d865 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55611bd6d865 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55611bd6d865 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55611bd9091c - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55611bd6b8d2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55611bd6fd50 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55611bd6fd50 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55611bd6fd50 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55611bd6fa9c - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55611bd70393 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55611bd6ff8b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55611bd8fd21 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55611bd8fab3 - core::option::expect_failed::h64f5a96368d1b71b
[INFO] [stderr]                                  at src/libcore/option.rs:1261
[INFO] [stderr]     14:     0x55611bd550bd - core::option::Option<T>::expect::haf3ec703421363f1
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/option.rs:344
[INFO] [stderr]     15:     0x55611bd454ea - build_script_build::build_snappy::h237079b794c63396
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46
[INFO] [stderr]     16:     0x55611bd46b85 - build_script_build::main::h9f8d75a9284809a7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:125
[INFO] [stderr]     17:     0x55611bd4d66b - std::rt::lang_start::{{closure}}::ha7c9b7e5fb84c3a8
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     18:     0x55611bd70763 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     19:     0x55611bd70763 - std::panicking::try::do_call::he8e1d689a3e26def
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     20:     0x55611bd70763 - std::panicking::try::h264b6eebc2fa7bbf
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     21:     0x55611bd70763 - std::panic::catch_unwind::hbf28fafa723b2128
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     22:     0x55611bd70763 - std::rt::lang_start_internal::he959aa59bc3ec202
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     23:     0x55611bd4d647 - std::rt::lang_start::h030b97230d2b6929
[INFO] [stderr]                                  at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67
[INFO] [stderr]     24:     0x55611bd47a4a - main
[INFO] [stderr]     25:     0x7f36562f80b3 - __libc_start_main
[INFO] [stderr]     26:     0x55611bd4019e - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "618c3cc8435b740527cdf31f4d9cdc8ff0c93343206c4078428ed3fdc3d1cf19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618c3cc8435b740527cdf31f4d9cdc8ff0c93343206c4078428ed3fdc3d1cf19", kill_on_drop: false }`
[INFO] [stdout] 618c3cc8435b740527cdf31f4d9cdc8ff0c93343206c4078428ed3fdc3d1cf19