[INFO] fetching crate bifrost-webrtc 0.1.0-alpha...
[INFO] testing bifrost-webrtc-0.1.0-alpha against 1.49.0 for beta-1.50-1
[INFO] extracting crate bifrost-webrtc 0.1.0-alpha into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bifrost-webrtc 0.1.0-alpha on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bifrost-webrtc 0.1.0-alpha
[INFO] finished tweaking crates.io crate bifrost-webrtc 0.1.0-alpha
[INFO] tweaked toml for crates.io crate bifrost-webrtc 0.1.0-alpha written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 6052f9973771f96a1c85bdb13f8311b10edac89fb995a6470be9bce3aa3d54cf
[INFO] running `Command { std: "docker" "start" "-a" "6052f9973771f96a1c85bdb13f8311b10edac89fb995a6470be9bce3aa3d54cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6052f9973771f96a1c85bdb13f8311b10edac89fb995a6470be9bce3aa3d54cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6052f9973771f96a1c85bdb13f8311b10edac89fb995a6470be9bce3aa3d54cf", kill_on_drop: false }`
[INFO] [stdout] 6052f9973771f96a1c85bdb13f8311b10edac89fb995a6470be9bce3aa3d54cf
[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=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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 489b08109ec0348260269c99c5f016d85fc6d762b30a1f59600ebfefb68cf032
[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" "489b08109ec0348260269c99c5f016d85fc6d762b30a1f59600ebfefb68cf032", kill_on_drop: false }`
[INFO] [stderr]    Compiling bifrost-webrtc v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "489b08109ec0348260269c99c5f016d85fc6d762b30a1f59600ebfefb68cf032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489b08109ec0348260269c99c5f016d85fc6d762b30a1f59600ebfefb68cf032", kill_on_drop: false }`
[INFO] [stdout] 489b08109ec0348260269c99c5f016d85fc6d762b30a1f59600ebfefb68cf032
[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=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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 692bf317d3c8d503bd7630940d7248b59a4d7ec5a4162020fea325fd617bea25
[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" "692bf317d3c8d503bd7630940d7248b59a4d7ec5a4162020fea325fd617bea25", kill_on_drop: false }`
[INFO] [stderr]    Compiling bifrost-webrtc v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "692bf317d3c8d503bd7630940d7248b59a4d7ec5a4162020fea325fd617bea25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692bf317d3c8d503bd7630940d7248b59a4d7ec5a4162020fea325fd617bea25", kill_on_drop: false }`
[INFO] [stdout] 692bf317d3c8d503bd7630940d7248b59a4d7ec5a4162020fea325fd617bea25
[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=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" "+1.49.0" "test" "--frozen", 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] 7d9a3871b9afbd119331a978c26a2fe96ac6f6ad0bfc3bb50396a2ac915d95af
[INFO] running `Command { std: "docker" "start" "-a" "7d9a3871b9afbd119331a978c26a2fe96ac6f6ad0bfc3bb50396a2ac915d95af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bifrost_webrtc-46bcd154e9052020
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests bifrost-webrtc
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d9a3871b9afbd119331a978c26a2fe96ac6f6ad0bfc3bb50396a2ac915d95af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d9a3871b9afbd119331a978c26a2fe96ac6f6ad0bfc3bb50396a2ac915d95af", kill_on_drop: false }`
[INFO] [stdout] 7d9a3871b9afbd119331a978c26a2fe96ac6f6ad0bfc3bb50396a2ac915d95af