[INFO] updating cached repository dat2/rust_zeromq_examples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dat2/rust_zeromq_examples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dat2/rust_zeromq_examples" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dat2/rust_zeromq_examples"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dat2/rust_zeromq_examples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dat2/rust_zeromq_examples" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/dat2/rust_zeromq_examples"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/dat2/rust_zeromq_examples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34cf668a59a70f3d63bb6043bce4b5f990deb327
[INFO] sha for GitHub repo dat2/rust_zeromq_examples: 34cf668a59a70f3d63bb6043bce4b5f990deb327
[INFO] validating manifest of dat2/rust_zeromq_examples on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dat2/rust_zeromq_examples on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing dat2/rust_zeromq_examples
[INFO] finished frobbing dat2/rust_zeromq_examples
[INFO] frobbed toml for dat2/rust_zeromq_examples written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dat2/rust_zeromq_examples/Cargo.toml
[INFO] started frobbing dat2/rust_zeromq_examples
[INFO] finished frobbing dat2/rust_zeromq_examples
[INFO] frobbed toml for dat2/rust_zeromq_examples written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/dat2/rust_zeromq_examples/Cargo.toml
[INFO] crate dat2/rust_zeromq_examples already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dat2/rust_zeromq_examples/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/erickt/rust-zmq.git`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/erickt/rust-zmq.git`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dat2/rust_zeromq_examples against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-2/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/dat2/rust_zeromq_examples:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5e80ee15dafb1ae319ca3cc92748241e547a359c42d42a9caffb9aa8dcd6b158
[INFO] running `"docker" "start" "-a" "5e80ee15dafb1ae319ca3cc92748241e547a359c42d42a9caffb9aa8dcd6b158"`
[INFO] [stderr]    Compiling zmq-sys v0.9.0 (https://github.com/erickt/rust-zmq.git#d489384b)
[INFO] [stderr] error: failed to run custom build command for `zmq-sys v0.9.0 (https://github.com/erickt/rust-zmq.git#d489384b)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/zmq-sys-df3a5dacaa28d98b/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 >= 4.1"` 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/git/checkouts/rust-zmq-171537f0d9cec03c/d489384/zmq-sys/build.rs:31:17
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x559f92234083 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb8de48fc76930a93
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x559f9222fe1b - std::sys_common::backtrace::_print::ha2266954ddac1c55
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x559f92232ef6 - std::panicking::default_hook::{{closure}}::h975448ea6b286e60
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x559f92232c89 - std::panicking::default_hook::h45c767eadadf14be
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x559f9223354f - std::panicking::rust_panic_with_hook::h1d02df52de2c5a52
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x559f922330d1 - std::panicking::continue_panic_fmt::h12ba60f6c9ca47f0
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x559f9223301e - std::panicking::begin_panic_fmt::hc31ea410c25581d5
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x559f9218d4fd - build_script_build::main::h9f8576b13a9110c8
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/rust-zmq-171537f0d9cec03c/d489384/zmq-sys/build.rs:31
[INFO] [stderr]    8:     0x559f9218e0af - std::rt::lang_start::{{closure}}::h0ea14d27fb067908
[INFO] [stderr]                                at /rustc/39401465da4ce27aeeb2c2a26133ac35c63aa515/src/libstd/rt.rs:64
[INFO] [stderr]    9:     0x559f92232fa2 - std::panicking::try::do_call::h05c7913fdf970160
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   10:     0x559f92239c09 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   11:     0x559f92233a5c - std::rt::lang_start_internal::h0dec2254ff9ebbe4
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   12:     0x559f9218e088 - std::rt::lang_start::h28673790183378e7
[INFO] [stderr]                                at /rustc/39401465da4ce27aeeb2c2a26133ac35c63aa515/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x559f9218d859 - main
[INFO] [stderr]   14:     0x7fc2b1c132e0 - __libc_start_main
[INFO] [stderr]   15:     0x559f9218cc19 - _start
[INFO] [stderr]   16:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "5e80ee15dafb1ae319ca3cc92748241e547a359c42d42a9caffb9aa8dcd6b158"`
[INFO] running `"docker" "rm" "-f" "5e80ee15dafb1ae319ca3cc92748241e547a359c42d42a9caffb9aa8dcd6b158"`
[INFO] [stdout] 5e80ee15dafb1ae319ca3cc92748241e547a359c42d42a9caffb9aa8dcd6b158