[INFO] cloning 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" "clone" "--bare" "https://github.com/mozilla/janus-plugin-sfu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3694c36040eea4de1e80b83447a3625156454956
[INFO] testing mozilla/janus-plugin-sfu against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/janus-plugin-sfu on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-0/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mozilla/janus-plugin-rs`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multimap v0.8.1
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce20840442f095185ea14efa9182967205bb049df32efe60552cf622262b4445
[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" "ce20840442f095185ea14efa9182967205bb049df32efe60552cf622262b4445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce20840442f095185ea14efa9182967205bb049df32efe60552cf622262b4445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce20840442f095185ea14efa9182967205bb049df32efe60552cf622262b4445", kill_on_drop: false }`
[INFO] [stdout] ce20840442f095185ea14efa9182967205bb049df32efe60552cf622262b4445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cedc1653280a282e42cc269aaefaf48bc695f34764d618075420f71e310505a0
[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" "cedc1653280a282e42cc269aaefaf48bc695f34764d618075420f71e310505a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[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 cc v1.0.50
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling itoa v0.4.5
[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 quote v1.0.3
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling base64 v0.10.1
[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 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] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:183:58
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let result = JanusError::from(push_event(handle, &mut PLUGIN, ptr::null(), msg.as_mut_ref(), ptr::null_mut()));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:202:58
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let result = JanusError::from(push_event(handle, &mut PLUGIN, ptr::null(), msg.as_mut_ref(), jsep.as_mut_ref()));
[INFO] [stdout]     |                                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/lib.rs:689:9
[INFO] [stdout]     |
[INFO] [stdout] 689 |         &mut PLUGIN,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/lib.rs:771:1
[INFO] [stdout]     |
[INFO] [stdout] 771 | / const PLUGIN: Plugin = build_plugin!(
[INFO] [stdout] 772 | |     LibraryMetadata {
[INFO] [stdout] 773 | |         api_version: 14,
[INFO] [stdout] 774 | |         version: 1,
[INFO] [stdout] ...   |
[INFO] [stdout] 793 | |     query_session
[INFO] [stdout] 794 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[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/eafdee2dfae8c2233b74f98b123308be7ccefcc6/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/rustcBqOjze/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-8cc8a409e71df687/out" "-L" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnum_cpus-4ed8e82c5e117efe.rlib" "/opt/rustwide/target/debug/deps/libmultimap-046dac57ab69cfd7.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-681a425192040cc8.rlib" "/opt/rustwide/target/debug/deps/libjanus_plugin-609ab429de1b4024.rlib" "/opt/rustwide/target/debug/deps/libcolored-7eaa18feb9308cf2.rlib" "/opt/rustwide/target/debug/deps/libatty-bb867430156298bd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-df474a8ca45884a8.rlib" "/opt/rustwide/target/debug/deps/libjanus_plugin_sys-6d38f714dcd2d195.rlib" "/opt/rustwide/target/debug/deps/libglib_sys-88f6d4281ba9bd8d.rlib" "/opt/rustwide/target/debug/deps/libjansson_sys-7e4c60eacadb8221.rlib" "/opt/rustwide/target/debug/deps/libini-688642110b428b2c.rlib" "/opt/rustwide/target/debug/deps/libjsonwebtoken-ac21c1ad997fdf93.rlib" "/opt/rustwide/target/debug/deps/libserde_json-0831c508e679dd42.rlib" "/opt/rustwide/target/debug/deps/libryu-8e9eea2d356f9ff2.rlib" "/opt/rustwide/target/debug/deps/libitoa-59a99f11c2272805.rlib" "/opt/rustwide/target/debug/deps/libserde-1720f2fbef313b65.rlib" "/opt/rustwide/target/debug/deps/libring-516e2e2de0fb7754.rlib" "/opt/rustwide/target/debug/deps/libspin-361d9da1b7a7ce24.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-cd2401a06b1676f6.rlib" "/opt/rustwide/target/debug/deps/libuntrusted-2e95a358841041ae.rlib" "/opt/rustwide/target/debug/deps/libchrono-7bca5a9d036ebdc3.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c3da9c790a896ed4.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e4b83ba858a73561.rlib" "/opt/rustwide/target/debug/deps/libtime-722e4c27fdeea212.rlib" "/opt/rustwide/target/debug/deps/liblibc-daffcee0a8e7580d.rlib" "/opt/rustwide/target/debug/deps/libbase64-f0f16e1e8c809c8a.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-dd535ee656aacf25.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/eafdee2dfae8c2233b74f98b123308be7ccefcc6/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.rlib" "-Wl,-Bdynamic" "-lglib-2.0" "-ljansson" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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; 3 warnings emitted
[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" "cedc1653280a282e42cc269aaefaf48bc695f34764d618075420f71e310505a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cedc1653280a282e42cc269aaefaf48bc695f34764d618075420f71e310505a0", kill_on_drop: false }`
[INFO] [stdout] cedc1653280a282e42cc269aaefaf48bc695f34764d618075420f71e310505a0