[INFO] updating cached repository https://github.com/mozilla/janus-plugin-sfu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3694c36040eea4de1e80b83447a3625156454956
[INFO] testing mozilla/janus-plugin-sfu against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/janus-plugin-sfu on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mozilla/janus-plugin-sfu
[INFO] finished tweaking git repo https://github.com/mozilla/janus-plugin-sfu
[INFO] tweaked toml for git repo https://github.com/mozilla/janus-plugin-sfu written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/mozilla/janus-plugin-sfu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25f3f15d2ab4b2b7a09d6f1999406a336e7d4ec45b3b175a53f29eb847151614
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "25f3f15d2ab4b2b7a09d6f1999406a336e7d4ec45b3b175a53f29eb847151614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25f3f15d2ab4b2b7a09d6f1999406a336e7d4ec45b3b175a53f29eb847151614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f3f15d2ab4b2b7a09d6f1999406a336e7d4ec45b3b175a53f29eb847151614", kill_on_drop: false }`
[INFO] [stdout] 25f3f15d2ab4b2b7a09d6f1999406a336e7d4ec45b3b175a53f29eb847151614
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f09b00118f3d1169370c970a048d721e17e9e319cf4aaa9771f0835de05a600
[INFO] running `Command { std: "docker" "start" "-a" "8f09b00118f3d1169370c970a048d721e17e9e319cf4aaa9771f0835de05a600", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling jansson-sys v0.1.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling janus-plugin-sys v0.7.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling janus-plugin v0.12.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling jsonwebtoken v6.0.1
[INFO] [stderr]    Compiling janus-plugin-sfu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.9by9jpnv-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libjanus_plugin_sfu.so" "-Wl,--version-script=/tmp/rustcdCNIhj/list" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.3a6ykfrele31t1rt.rcgu.o" "-Wl,--gc-sections" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/ring-cab871d2379162bc/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnum_cpus-731132a51632d12a.rlib" "/opt/rustwide/target/debug/deps/libmultimap-203b4a227dc85bf0.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-ed495deafe7438fb.rlib" "/opt/rustwide/target/debug/deps/libjanus_plugin-fbc7a4a8c0ed7240.rlib" "/opt/rustwide/target/debug/deps/libcolored-6890ca10c2e904a3.rlib" "/opt/rustwide/target/debug/deps/libatty-c6343d08c8dc6c4e.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ef3b499484556621.rlib" "/opt/rustwide/target/debug/deps/libjanus_plugin_sys-2ed747400c0ffb36.rlib" "/opt/rustwide/target/debug/deps/libglib_sys-82360f48362a07b2.rlib" "/opt/rustwide/target/debug/deps/libjansson_sys-6248f629ba366734.rlib" "/opt/rustwide/target/debug/deps/libini-29401f0aa01bdd57.rlib" "/opt/rustwide/target/debug/deps/libjsonwebtoken-d9efb4d77592179d.rlib" "/opt/rustwide/target/debug/deps/libserde_json-4e35b0c3ff761c4b.rlib" "/opt/rustwide/target/debug/deps/libryu-86003fc2fae2a301.rlib" "/opt/rustwide/target/debug/deps/libitoa-cf492a3e0e3a4d81.rlib" "/opt/rustwide/target/debug/deps/libserde-75f6bbfa0505b940.rlib" "/opt/rustwide/target/debug/deps/libring-967c6c8eccc44949.rlib" "/opt/rustwide/target/debug/deps/libspin-489975769773a603.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-03dc560a77c5aa3e.rlib" "/opt/rustwide/target/debug/deps/libuntrusted-ac8ba5ae861e3e7a.rlib" "/opt/rustwide/target/debug/deps/libchrono-2ca91074b8fe772a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-112550a6bb4068af.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-1583ab86d769285b.rlib" "/opt/rustwide/target/debug/deps/libtime-1866798fd14735b6.rlib" "/opt/rustwide/target/debug/deps/liblibc-7826762e6f3b7eff.rlib" "/opt/rustwide/target/debug/deps/libbase64-88b9ddc8bda6be0d.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f7f925fcf7e16859.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lglib-2.0" "-ljansson" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -ljansson
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `janus-plugin-sfu`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8f09b00118f3d1169370c970a048d721e17e9e319cf4aaa9771f0835de05a600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f09b00118f3d1169370c970a048d721e17e9e319cf4aaa9771f0835de05a600", kill_on_drop: false }`
[INFO] [stdout] 8f09b00118f3d1169370c970a048d721e17e9e319cf4aaa9771f0835de05a600