[INFO] updating cached repository maketechnology/cefrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/maketechnology/cefrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/maketechnology/cefrust" "work/ex/beta-1.38-1/sources/1.37.0/gh/maketechnology/cefrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/maketechnology/cefrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/maketechnology/cefrust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maketechnology/cefrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maketechnology/cefrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6404c4dc0c984b3ca92fff7d42d7599cd432f088
[INFO] sha for GitHub repo maketechnology/cefrust: 6404c4dc0c984b3ca92fff7d42d7599cd432f088
[INFO] validating manifest of maketechnology/cefrust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of maketechnology/cefrust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing maketechnology/cefrust
[INFO] finished frobbing maketechnology/cefrust
[INFO] frobbed toml for maketechnology/cefrust written to work/ex/beta-1.38-1/sources/1.37.0/gh/maketechnology/cefrust/Cargo.toml
[INFO] started frobbing maketechnology/cefrust
[INFO] finished frobbing maketechnology/cefrust
[INFO] frobbed toml for maketechnology/cefrust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maketechnology/cefrust/Cargo.toml
[INFO] crate maketechnology/cefrust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing maketechnology/cefrust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/maketechnology/cefrust:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 37fb04022a493e2932e8cb765b5bf95300dd9a45d327d4cddf13bf62bf6a59ac
[INFO] running `"docker" "start" "-a" "37fb04022a493e2932e8cb765b5bf95300dd9a45d327d4cddf13bf62bf6a59ac"`
[INFO] [stderr]    Compiling libloading v0.4.0
[INFO] [stderr]    Compiling bindgen v0.31.3
[INFO] [stderr]    Compiling java_bindgen v0.31.2 (https://github.com/maketechnology/java-bindgen?branch=java-bindgen#99743f17)
[INFO] [stderr]    Compiling fs_extra v1.0.0
[INFO] [stderr]    Compiling which v1.0.3
[INFO] [stderr]    Compiling clang-sys v0.21.0
[INFO] [stderr]    Compiling cexpr v0.2.0
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling env_logger v0.4.2
[INFO] [stderr]    Compiling x11 v2.13.0
[INFO] [stderr]    Compiling cefrust v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]   --> src/base.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let count = 0;
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_count`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `cef_errorcode_t_ERR_CERT_BEGIN` should have an upper case name
[INFO] [stderr]     --> src/cef/mod.rs:2069:11
[INFO] [stderr]      |
[INFO] [stderr] 2069 | pub const cef_errorcode_t_ERR_CERT_BEGIN: cef_errorcode_t =
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CEF_ERRORCODE_T_ERR_CERT_BEGIN`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `cef_errorcode_t_ERR_CERT_END` should have an upper case name
[INFO] [stderr]     --> src/cef/mod.rs:2071:11
[INFO] [stderr]      |
[INFO] [stderr] 2071 | pub const cef_errorcode_t_ERR_CERT_END: cef_errorcode_t =
[INFO] [stderr]      |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CEF_ERRORCODE_T_ERR_CERT_END`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f.cefrust_subp.cdbjdyvi-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f.cefrust_subp.cdbjdyvi-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f.cefrust_subp.cdbjdyvi-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f.cefrust_subp.cdbjdyvi-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f.cefrust_subp.cdbjdyvi-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f.cefrust_subp.cdbjdyvi-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f.cefrust_subp.cdbjdyvi-cgu.6.rcgu.o" "-o" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f" "/opt/crater/target/debug/deps/cefrust_subp-67d58556a9cd4f4f.4l9bwa1lbzip7wau.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/workdir/cef_linux/Debug" "-L" "/opt/crater/workdir" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/liblibc-1e14c7be984aa552.rlib" "/opt/crater/target/debug/deps/libcefrust-f9ca5b91ccdc71ca.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lutil" "-lgtk-x11-2.0" "-lgdk-x11-2.0" "-lX11" "-lstdc++" "-lcef" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lcef
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cefrust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.cefrust.bf0s53qn-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d" "/opt/crater/target/debug/deps/cefrust-d0e520ea8a91857d.k4ykhjshjjsfgy1.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/workdir/cef_linux/Debug" "-L" "/opt/crater/workdir" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libcefrust-f9ca5b91ccdc71ca.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lgtk-x11-2.0" "-lgdk-x11-2.0" "-lX11" "-lstdc++" "-lcef" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lcef
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cefrust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "37fb04022a493e2932e8cb765b5bf95300dd9a45d327d4cddf13bf62bf6a59ac"`
[INFO] running `"docker" "rm" "-f" "37fb04022a493e2932e8cb765b5bf95300dd9a45d327d4cddf13bf62bf6a59ac"`
[INFO] [stdout] 37fb04022a493e2932e8cb765b5bf95300dd9a45d327d4cddf13bf62bf6a59ac