[INFO] updating cached repository https://github.com/mozilla/janus-plugin-sfu
[INFO] running `"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"`
[INFO] [stderr] From https://github.com/mozilla/janus-plugin-sfu
[INFO] [stderr]  - [deleted]         (none)     -> switchboard-fixes
[INFO] [stderr]    63d3401..3694c36  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3694c36040eea4de1e80b83447a3625156454956
[INFO] testing mozilla/janus-plugin-sfu against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/janus-plugin-sfu on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/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 `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0f7b8ab327e78c0e0745666e1ef0299b7a26a4f451425327a5c3b03848eea8d
[INFO] running `"docker" "start" "-a" "a0f7b8ab327e78c0e0745666e1ef0299b7a26a4f451425327a5c3b03848eea8d"`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling jansson-sys v0.1.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling janus-plugin-sys v0.7.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling janus-plugin v0.12.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]    Compiling jsonwebtoken v6.0.1
[INFO] [stderr]    Compiling janus-plugin-sfu v0.1.0 (/opt/rustwide/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/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.janus_plugin_sfu.4lgni67r-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libjanus_plugin_sfu.so" "-Wl,--version-script=/tmp/rustco6dgJu/list" "/opt/rustwide/target/debug/deps/janus_plugin_sfu.4n1nvcfdacrt5w22.rcgu.o" "-Wl,--gc-sections" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/ring-05dd42278e76a51b/out" "-L" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnum_cpus-5bb7ad4d3de1ca70.rlib" "/opt/rustwide/target/debug/deps/libmultimap-7192d529fb297844.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-3589ce6265465f86.rlib" "/opt/rustwide/target/debug/deps/libjanus_plugin-eb6687796efdb4b3.rlib" "/opt/rustwide/target/debug/deps/libcolored-84ee3889f0974ee4.rlib" "/opt/rustwide/target/debug/deps/libatty-eca7059912cff697.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c5180c3dc5cc8193.rlib" "/opt/rustwide/target/debug/deps/libjanus_plugin_sys-b8449ab8c25682bc.rlib" "/opt/rustwide/target/debug/deps/libglib_sys-cf3218de0c376326.rlib" "/opt/rustwide/target/debug/deps/libjansson_sys-03d152918210934e.rlib" "/opt/rustwide/target/debug/deps/libini-9b4ca5903fd2e649.rlib" "/opt/rustwide/target/debug/deps/libjsonwebtoken-f7215ec41be5ecab.rlib" "/opt/rustwide/target/debug/deps/libserde_json-ff93b48a529afdd0.rlib" "/opt/rustwide/target/debug/deps/libryu-12d8e5edf3ac1d84.rlib" "/opt/rustwide/target/debug/deps/libitoa-82fd069fb6d22506.rlib" "/opt/rustwide/target/debug/deps/libserde-360f80e34df39982.rlib" "/opt/rustwide/target/debug/deps/libring-81a371eaddf3998e.rlib" "/opt/rustwide/target/debug/deps/libspin-f189c07b59d1dace.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-81e71b56f2a8a8f3.rlib" "/opt/rustwide/target/debug/deps/libuntrusted-0d170b6e69c2f1b8.rlib" "/opt/rustwide/target/debug/deps/libchrono-a5019ce4841d6574.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-50784a458f1c83d6.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-8a9b8068cf58520d.rlib" "/opt/rustwide/target/debug/deps/libtime-d9b1ef2bb0776884.rlib" "/opt/rustwide/target/debug/deps/liblibc-a821b0b830c7608b.rlib" "/opt/rustwide/target/debug/deps/libbase64-cce9b1ddd16c0711.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-7b8e532639ee0fad.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1dac1a412c98f50d.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b7841fd014bf83a1.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-338c0763450dca22.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-5f2e5d11836e0967.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-81a9070bd3553adf.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-e297830377b95af4.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b38b87f2dd197fa0.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-601015f2e15e7e26.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-439f3a589bd88586.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-57ab7e6ac23ce11f.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3aec7f88778e912a.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-b6806800b307d4b9.rlib" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-e49d7651b12f7563.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/28742a1146f10a4f09369baad027a464acb7a766/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-e8266574e26adcc3.rlib" "-Wl,-Bdynamic" "-lglib-2.0" "-ljansson" "-lutil" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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" "a0f7b8ab327e78c0e0745666e1ef0299b7a26a4f451425327a5c3b03848eea8d"`
[INFO] running `"docker" "rm" "-f" "a0f7b8ab327e78c0e0745666e1ef0299b7a26a4f451425327a5c3b03848eea8d"`
[INFO] [stdout] a0f7b8ab327e78c0e0745666e1ef0299b7a26a4f451425327a5c3b03848eea8d