[INFO] updating cached repository mozilla/janus-plugin-sfu
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mozilla/janus-plugin-sfu
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mozilla/janus-plugin-sfu" "work/ex/beta-1.37-6/sources/1.36.0/gh/mozilla/janus-plugin-sfu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mozilla/janus-plugin-sfu'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mozilla/janus-plugin-sfu" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mozilla/janus-plugin-sfu"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mozilla/janus-plugin-sfu'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 389cb8cf770d4160676077bfd6ab1a769c834374
[INFO] sha for GitHub repo mozilla/janus-plugin-sfu: 389cb8cf770d4160676077bfd6ab1a769c834374
[INFO] validating manifest of mozilla/janus-plugin-sfu 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 mozilla/janus-plugin-sfu 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 mozilla/janus-plugin-sfu
[INFO] finished frobbing mozilla/janus-plugin-sfu
[INFO] frobbed toml for mozilla/janus-plugin-sfu written to work/ex/beta-1.37-6/sources/1.36.0/gh/mozilla/janus-plugin-sfu/Cargo.toml
[INFO] started frobbing mozilla/janus-plugin-sfu
[INFO] finished frobbing mozilla/janus-plugin-sfu
[INFO] frobbed toml for mozilla/janus-plugin-sfu written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mozilla/janus-plugin-sfu/Cargo.toml
[INFO] crate mozilla/janus-plugin-sfu 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mozilla/janus-plugin-sfu 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mozilla/janus-plugin-sfu:/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] c8acdac822c3fc400656d68c186174320c1478969ea8457da367a620012f9f4a
[INFO] running `"docker" "start" "-a" "c8acdac822c3fc400656d68c186174320c1478969ea8457da367a620012f9f4a"`
[INFO] [stderr]    Compiling jansson-sys v0.1.0
[INFO] [stderr]    Compiling rust-ini v0.10.3
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling serde_json v1.0.35
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling syn v0.15.25
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling janus-plugin-sys v0.6.0
[INFO] [stderr]    Compiling janus-plugin v0.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling jsonwebtoken v5.0.1
[INFO] [stderr]    Compiling janus-plugin-sfu v0.1.0 (/opt/crater/workdir)
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/libjanus_plugin_sfu.so" "-Wl,--version-script=/tmp/rustcsAXBvt/list" "/opt/crater/target/debug/deps/janus_plugin_sfu.4n1nvcfdacrt5w22.rcgu.o" "-Wl,--gc-sections" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/ring-dc802f9cd175b10e/out" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libjsonwebtoken-3ee330f3b3bc5908.rlib" "/opt/crater/target/debug/deps/libring-1f94c11ca7d1c64b.rlib" "/opt/crater/target/debug/deps/libuntrusted-097a69f65d28ba3c.rlib" "/opt/crater/target/debug/deps/libbase64-f60e76cdd09b1e6d.rlib" "/opt/crater/target/debug/deps/libsafemem-1abe614afb07ff89.rlib" "/opt/crater/target/debug/deps/libbyteorder-93baff524b6b07af.rlib" "/opt/crater/target/debug/deps/libserde_json-dc62096b32c33808.rlib" "/opt/crater/target/debug/deps/libryu-0a79168f3ba04445.rlib" "/opt/crater/target/debug/deps/libitoa-5ac5fbad12f6c895.rlib" "/opt/crater/target/debug/deps/libjanus_plugin-1fbf59e527a52951.rlib" "/opt/crater/target/debug/deps/libcolored-dc063f51bbdcc163.rlib" "/opt/crater/target/debug/deps/liblazy_static-ab49020bde3ad45f.rlib" "/opt/crater/target/debug/deps/libchrono-7e3a580a46a19143.rlib" "/opt/crater/target/debug/deps/libnum_integer-6442eebb199d17f6.rlib" "/opt/crater/target/debug/deps/libnum_traits-d5458cf43ba730b9.rlib" "/opt/crater/target/debug/deps/libtime-a85bd08448574ebc.rlib" "/opt/crater/target/debug/deps/libjanus_plugin_sys-52f2d63710672903.rlib" "/opt/crater/target/debug/deps/libglib_sys-9adb0f0bd116b625.rlib" "/opt/crater/target/debug/deps/libbitflags-acbeb843e8a410b5.rlib" "/opt/crater/target/debug/deps/liblibc-7ab0581bce36a395.rlib" "/opt/crater/target/debug/deps/libjansson_sys-16d8552e5895ab00.rlib" "/opt/crater/target/debug/deps/libbitflags-6f632fff558bf385.rlib" "/opt/crater/target/debug/deps/libmultimap-31cbb831305ab498.rlib" "/opt/crater/target/debug/deps/libserde-4103ba27848e697c.rlib" "/opt/crater/target/debug/deps/libini-193994469e724cfc.rlib" "/opt/crater/target/debug/deps/libatom-5d7f969b73b91621.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-lglib-2.0" "-lutil" "-lutil" "-ljansson" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -ljansson
[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 `janus-plugin-sfu`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c8acdac822c3fc400656d68c186174320c1478969ea8457da367a620012f9f4a"`
[INFO] running `"docker" "rm" "-f" "c8acdac822c3fc400656d68c186174320c1478969ea8457da367a620012f9f4a"`
[INFO] [stdout] c8acdac822c3fc400656d68c186174320c1478969ea8457da367a620012f9f4a