[INFO] updating cached repository GNOME/niepce
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GNOME/niepce
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GNOME/niepce" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/GNOME/niepce"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/GNOME/niepce'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GNOME/niepce" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/GNOME/niepce"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/GNOME/niepce'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49ce506349fc099916127fb6e3faa3c42e9a62d3
[INFO] sha for GitHub repo GNOME/niepce: 49ce506349fc099916127fb6e3faa3c42e9a62d3
[INFO] validating manifest of GNOME/niepce on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of GNOME/niepce on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing GNOME/niepce
[INFO] finished frobbing GNOME/niepce
[INFO] frobbed toml for GNOME/niepce written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/GNOME/niepce/Cargo.toml
[INFO] started frobbing GNOME/niepce
[INFO] finished frobbing GNOME/niepce
[INFO] frobbed toml for GNOME/niepce written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/GNOME/niepce/Cargo.toml
[INFO] crate GNOME/niepce already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking GNOME/niepce against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/GNOME/niepce:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 18715ad09259d43a5a0eff3c39635741355741125866223a2a86b856df514784
[INFO] running `"docker" "start" "-a" "18715ad09259d43a5a0eff3c39635741355741125866223a2a86b856df514784"`
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]     Checking gettext-rs v0.3.0
[INFO] [stderr]     Checking try_opt v0.1.1
[INFO] [stderr]    Compiling exempi-sys v2.5.0 (https://github.com/hfiguiere/exempi-rs.git?rev=d5c013c#d5c013ca)
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling gtk-sys v0.8.0
[INFO] [stderr]    Compiling gexiv2-sys v1.0.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking glib-sys v0.8.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr] error: failed to run custom build command for `exempi-sys v2.5.0 (https://github.com/hfiguiere/exempi-rs.git?rev=d5c013c#d5c013ca)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/exempi-sys-45a465dff8105a1d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Exempi not found
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '`"pkg-config" "--libs" "--cflags" "exempi-2.0 >= 2.4.0"` did not exit successfully: exit code: 1
[INFO] [stderr] --- stderr
[INFO] [stderr] Package exempi-2.0 was not found in the pkg-config search path.
[INFO] [stderr] Perhaps you should add the directory containing `exempi-2.0.pc'
[INFO] [stderr] to the PKG_CONFIG_PATH environment variable
[INFO] [stderr] No package 'exempi-2.0' found
[INFO] [stderr] ', /opt/crater/cargo-home/git/checkouts/exempi-rs-297fa8dad20ae77e/d5c013c/exempi-sys/build.rs:9:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564884696bbb - backtrace::backtrace::libunwind::trace::h4f04af92f39f2b78
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x564884696bbb - backtrace::backtrace::trace_unsynchronized::hb28ce8d2b7fb3e31
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564884696bbb - std::sys_common::backtrace::_print::he3f49d2d13a51ff1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x564884696bbb - std::sys_common::backtrace::print::h46c2f3b13519e9bf
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x564884696bbb - std::panicking::default_hook::{{closure}}::h6694acddafc67583
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x564884696897 - std::panicking::default_hook::hb4761d2feeb6d93c
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x564884697280 - std::panicking::rust_panic_with_hook::h7a5f9620b0a832bc
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x564884648be3 - std::panicking::begin_panic::h301763dfef4e4434
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x5648846492b3 - build_script_build::main::hbf507bb3d6b4c12a
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/exempi-rs-297fa8dad20ae77e/d5c013c/exempi-sys/build.rs:9
[INFO] [stderr]    9:     0x5648846493c0 - std::rt::lang_start::{{closure}}::hff9dc39ac0ca113a
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x564884696cd3 - std::rt::lang_start_internal::{{closure}}::h32e298b4b9152770
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   11:     0x564884696cd3 - std::panicking::try::do_call::hc8de7cda8a6a61da
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   12:     0x56488469d3ba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   13:     0x56488469778d - std::panicking::try::h2d3ab36572ae54da
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   14:     0x56488469778d - std::panic::catch_unwind::h4b587439b0094333
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   15:     0x56488469778d - std::rt::lang_start_internal::h0772ca1bc29dd619
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x564884649399 - std::rt::lang_start::h8c83f37202b6c158
[INFO] [stderr]                                at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x56488464933a - main
[INFO] [stderr]   18:     0x7f45992842e1 - __libc_start_main
[INFO] [stderr]   19:     0x5648846488ba - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "18715ad09259d43a5a0eff3c39635741355741125866223a2a86b856df514784"`
[INFO] running `"docker" "rm" "-f" "18715ad09259d43a5a0eff3c39635741355741125866223a2a86b856df514784"`
[INFO] [stdout] 18715ad09259d43a5a0eff3c39635741355741125866223a2a86b856df514784