[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 beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmozilla%2Fjanus-plugin-sfu" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mozilla/janus-plugin-sfu on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-8/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-2021-01-01" "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 hermit-abi v0.1.10
[INFO] [stderr]   Downloaded jsonwebtoken v6.0.1
[INFO] [stderr]   Downloaded serde_json v1.0.50
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bc7e48853a4007c6d179f7e771e1f6513e7b74dbfc06be55bc4126bf29bdebd
[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" "2bc7e48853a4007c6d179f7e771e1f6513e7b74dbfc06be55bc4126bf29bdebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bc7e48853a4007c6d179f7e771e1f6513e7b74dbfc06be55bc4126bf29bdebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc7e48853a4007c6d179f7e771e1f6513e7b74dbfc06be55bc4126bf29bdebd", kill_on_drop: false }`
[INFO] [stdout] 2bc7e48853a4007c6d179f7e771e1f6513e7b74dbfc06be55bc4126bf29bdebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97fd90b1d2a7235fc9796a4c0ae0be46bd7d87d4fa0378c4f7c2fe7c897d4d87
[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" "97fd90b1d2a7235fc9796a4c0ae0be46bd7d87d4fa0378c4f7c2fe7c897d4d87", kill_on_drop: false }`
[INFO] [stderr]    Compiling jansson-sys v0.1.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling janus-plugin-sys v0.7.0 (https://github.com/mozilla/janus-plugin-rs#d3fba606)
[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] 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/beta-2021-01-01-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/rustcUk2ckQ/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-e9e60d294e678e87/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libnum_cpus-88aaa146a7aba95c.rlib" "/opt/rustwide/target/debug/deps/libmultimap-753f858a7a481c78.rlib" "/opt/rustwide/target/debug/deps/libonce_cell-7de2fec77289de7e.rlib" "/opt/rustwide/target/debug/deps/libjanus_plugin-e78909d662fa6e3b.rlib" "/opt/rustwide/target/debug/deps/libcolored-3e5feb78e9338189.rlib" "/opt/rustwide/target/debug/deps/libatty-398838ab45b93de1.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/libjanus_plugin_sys-1f5864703ca1fe27.rlib" "/opt/rustwide/target/debug/deps/libglib_sys-8205badebc5863cf.rlib" "/opt/rustwide/target/debug/deps/libjansson_sys-50c06d6a0b1044dc.rlib" "/opt/rustwide/target/debug/deps/libini-fe081c3c47fb316c.rlib" "/opt/rustwide/target/debug/deps/libjsonwebtoken-29c18eb646125855.rlib" "/opt/rustwide/target/debug/deps/libserde_json-d9b7a5322cceb3ec.rlib" "/opt/rustwide/target/debug/deps/libryu-9bb419b735f40a5e.rlib" "/opt/rustwide/target/debug/deps/libitoa-9519358f9875601f.rlib" "/opt/rustwide/target/debug/deps/libserde-ddf5ae82d9e7ea02.rlib" "/opt/rustwide/target/debug/deps/libring-9aabb020a3f0fcf0.rlib" "/opt/rustwide/target/debug/deps/libspin-3b7e09eb6993769d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/libuntrusted-fe9b5c81e5959d82.rlib" "/opt/rustwide/target/debug/deps/libchrono-01fb29816af181a8.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-8c8e5aac1f25078f.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-f8d20fa76025d2e2.rlib" "/opt/rustwide/target/debug/deps/libtime-9246319cb28d11f3.rlib" "/opt/rustwide/target/debug/deps/liblibc-6a84d926ea326a84.rlib" "/opt/rustwide/target/debug/deps/libbase64-b40138025898d07a.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-2f9d4a3f19411b1e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.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" "97fd90b1d2a7235fc9796a4c0ae0be46bd7d87d4fa0378c4f7c2fe7c897d4d87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fd90b1d2a7235fc9796a4c0ae0be46bd7d87d4fa0378c4f7c2fe7c897d4d87", kill_on_drop: false }`
[INFO] [stdout] 97fd90b1d2a7235fc9796a4c0ae0be46bd7d87d4fa0378c4f7c2fe7c897d4d87