[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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/GNOME/niepce"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/GNOME/niepce'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GNOME/niepce" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/GNOME/niepce"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of GNOME/niepce on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking GNOME/niepce against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 67c7d0fecf67fa3b49b49e74a0df9ab4941f4883ea38d30c429b2d0748f2f68f
[INFO] running `"docker" "start" "-a" "67c7d0fecf67fa3b49b49e74a0df9ab4941f4883ea38d30c429b2d0748f2f68f"`
[INFO] [stderr]     Checking gettext-rs v0.3.0
[INFO] [stderr]     Checking try_opt v0.1.1
[INFO] [stderr]    Compiling gexiv2-sys v1.0.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling exempi-sys v2.5.0 (https://github.com/hfiguiere/exempi-rs.git?rev=d5c013c#d5c013ca)
[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 which v1.0.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling standalone-quote v0.5.0
[INFO] [stderr]     Checking gobject-sys v0.8.0
[INFO] [stderr]     Checking cairo-sys-rs v0.8.0
[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-ab08c8ac7888c015/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:     0x55ce227befab - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55ce227befab - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55ce227befab - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55ce227befab - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55ce227befab - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55ce227bec86 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55ce227bf66d - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55ce22770d50 - std::panicking::begin_panic::h5563f68be3a099b4
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x55ce22771729 - build_script_build::main::h11a9b2e52097d3e4
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/exempi-rs-297fa8dad20ae77e/d5c013c/exempi-sys/build.rs:9
[INFO] [stderr]    9:     0x55ce227718a0 - std::rt::lang_start::{{closure}}::hee0ecd76af3dd628
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x55ce227bf0c3 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   11:     0x55ce227bf0c3 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   12:     0x55ce227c57da - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   13:     0x55ce227bfb7d - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   14:     0x55ce227bfb7d - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   15:     0x55ce227bfb7d - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55ce22771879 - std::rt::lang_start::h159ee5afc27aa66e
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55ce227717aa - main
[INFO] [stderr]   18:     0x7f2ffb9852e1 - __libc_start_main
[INFO] [stderr]   19:     0x55ce22770b2a - _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" "67c7d0fecf67fa3b49b49e74a0df9ab4941f4883ea38d30c429b2d0748f2f68f"`
[INFO] running `"docker" "rm" "-f" "67c7d0fecf67fa3b49b49e74a0df9ab4941f4883ea38d30c429b2d0748f2f68f"`
[INFO] [stdout] 67c7d0fecf67fa3b49b49e74a0df9ab4941f4883ea38d30c429b2d0748f2f68f