[INFO] updating cached repository takluyver/calcurust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/takluyver/calcurust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/takluyver/calcurust" "work/ex/beta-1.37-6/sources/1.36.0/gh/takluyver/calcurust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/takluyver/calcurust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/takluyver/calcurust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/takluyver/calcurust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/takluyver/calcurust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a1f264bdac56c1bf45cd3cec9f49610f0cf0b9d6
[INFO] sha for GitHub repo takluyver/calcurust: a1f264bdac56c1bf45cd3cec9f49610f0cf0b9d6
[INFO] validating manifest of takluyver/calcurust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of takluyver/calcurust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing takluyver/calcurust
[INFO] finished frobbing takluyver/calcurust
[INFO] frobbed toml for takluyver/calcurust written to work/ex/beta-1.37-6/sources/1.36.0/gh/takluyver/calcurust/Cargo.toml
[INFO] started frobbing takluyver/calcurust
[INFO] finished frobbing takluyver/calcurust
[INFO] frobbed toml for takluyver/calcurust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/takluyver/calcurust/Cargo.toml
[INFO] crate takluyver/calcurust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "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" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing takluyver/calcurust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/takluyver/calcurust:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] aaebaaf97c94805415a7ce08319846474af1e1b0825d6d26ce63e39a71ebef6d
[INFO] running `"docker" "start" "-a" "aaebaaf97c94805415a7ce08319846474af1e1b0825d6d26ce63e39a71ebef6d"`
[INFO] [stderr]    Compiling serde v0.9.7
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling syntex_pos v0.54.0
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling zmq-sys v0.8.1
[INFO] [stderr]    Compiling syntex_errors v0.54.0
[INFO] [stderr] error: failed to run custom build command for `zmq-sys v0.8.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/zmq-sys-47251fb78d67665b/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'Unable to locate libzmq:
[INFO] [stderr] `"pkg-config" "--libs" "--cflags" "libzmq >= 3.2"` did not exit successfully: exit code: 1
[INFO] [stderr] --- stderr
[INFO] [stderr] Package libzmq was not found in the pkg-config search path.
[INFO] [stderr] Perhaps you should add the directory containing `libzmq.pc'
[INFO] [stderr] to the PKG_CONFIG_PATH environment variable
[INFO] [stderr] No package 'libzmq' found
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/zmq-sys-0.8.1/build.rs:29:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56051dac93a3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56051dac4f8b - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x56051dac8216 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x56051dac7fa9 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x56051dac886f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x56051dac83f1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x56051dac833e - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x56051da356dd - build_script_build::main::ha51723fc7b4e426c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/zmq-sys-0.8.1/build.rs:29
[INFO] [stderr]    8:     0x56051da3633f - std::rt::lang_start::{{closure}}::h4674091e54d41fca
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]    9:     0x56051dac82c2 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   10:     0x56051daceda9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   11:     0x56051dac8d7c - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   12:     0x56051da36318 - std::rt::lang_start::h249012dc4a512723
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x56051da35cd9 - main
[INFO] [stderr]   14:     0x7f91fb4582e0 - __libc_start_main
[INFO] [stderr]   15:     0x56051da35069 - _start
[INFO] [stderr]   16:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "aaebaaf97c94805415a7ce08319846474af1e1b0825d6d26ce63e39a71ebef6d"`
[INFO] running `"docker" "rm" "-f" "aaebaaf97c94805415a7ce08319846474af1e1b0825d6d26ce63e39a71ebef6d"`
[INFO] [stdout] aaebaaf97c94805415a7ce08319846474af1e1b0825d6d26ce63e39a71ebef6d