[INFO] crate bifrost-webrtc 0.1.0-alpha is already in cache
[INFO] testing bifrost-webrtc-0.1.0-alpha against 1.45.2 for beta-1.46-1
[INFO] extracting crate bifrost-webrtc 0.1.0-alpha into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bifrost-webrtc 0.1.0-alpha on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "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] 0e66574a4f1b8d8fce164e7f00c4c8a8016251dd551865c83b89c1a8dce26ecf
[INFO] running `Command { std: "docker" "start" "-a" "0e66574a4f1b8d8fce164e7f00c4c8a8016251dd551865c83b89c1a8dce26ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e66574a4f1b8d8fce164e7f00c4c8a8016251dd551865c83b89c1a8dce26ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e66574a4f1b8d8fce164e7f00c4c8a8016251dd551865c83b89c1a8dce26ecf", kill_on_drop: false }`
[INFO] [stdout] 0e66574a4f1b8d8fce164e7f00c4c8a8016251dd551865c83b89c1a8dce26ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74cb00aaae9c37b9b01321dd39c5e6e0e641511931ca148b43341f9d3d09f67e
[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" "74cb00aaae9c37b9b01321dd39c5e6e0e641511931ca148b43341f9d3d09f67e", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "74cb00aaae9c37b9b01321dd39c5e6e0e641511931ca148b43341f9d3d09f67e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74cb00aaae9c37b9b01321dd39c5e6e0e641511931ca148b43341f9d3d09f67e", kill_on_drop: false }`
[INFO] [stdout] 74cb00aaae9c37b9b01321dd39c5e6e0e641511931ca148b43341f9d3d09f67e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a08894555462e27628f0c4bbbf549325902b0e4a76ab61360bcbe0cecbe1147
[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" "0a08894555462e27628f0c4bbbf549325902b0e4a76ab61360bcbe0cecbe1147", 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 0.99s
[INFO] running `Command { std: "docker" "inspect" "0a08894555462e27628f0c4bbbf549325902b0e4a76ab61360bcbe0cecbe1147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a08894555462e27628f0c4bbbf549325902b0e4a76ab61360bcbe0cecbe1147", kill_on_drop: false }`
[INFO] [stdout] 0a08894555462e27628f0c4bbbf549325902b0e4a76ab61360bcbe0cecbe1147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9192f58f41a4a4340a082d84c5f465b757721f2456515e86be9b1c99e9bcc57b
[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" "9192f58f41a4a4340a082d84c5f465b757721f2456515e86be9b1c99e9bcc57b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bifrost_webrtc-9e72d7effc21eae8
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests bifrost-webrtc
[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" "9192f58f41a4a4340a082d84c5f465b757721f2456515e86be9b1c99e9bcc57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9192f58f41a4a4340a082d84c5f465b757721f2456515e86be9b1c99e9bcc57b", kill_on_drop: false }`
[INFO] [stdout] 9192f58f41a4a4340a082d84c5f465b757721f2456515e86be9b1c99e9bcc57b