[INFO] crate bifrost 0.4.0-alpha.2 is already in cache
[INFO] testing bifrost-0.4.0-alpha.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate bifrost 0.4.0-alpha.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bifrost 0.4.0-alpha.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bifrost 0.4.0-alpha.2
[INFO] finished tweaking crates.io crate bifrost 0.4.0-alpha.2
[INFO] tweaked toml for crates.io crate bifrost 0.4.0-alpha.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17671f34c6a3f22351ee923b9b6cba65428b2b0d49e4efeb96e14b185ae9cfba
[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" "17671f34c6a3f22351ee923b9b6cba65428b2b0d49e4efeb96e14b185ae9cfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17671f34c6a3f22351ee923b9b6cba65428b2b0d49e4efeb96e14b185ae9cfba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17671f34c6a3f22351ee923b9b6cba65428b2b0d49e4efeb96e14b185ae9cfba", kill_on_drop: false }`
[INFO] [stdout] 17671f34c6a3f22351ee923b9b6cba65428b2b0d49e4efeb96e14b185ae9cfba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 8c1143214d6c3d9c4347e5ac19e43d6405a889f0c663ec2691b346d6e2be1fcf
[INFO] running `Command { std: "docker" "start" "-a" "8c1143214d6c3d9c4347e5ac19e43d6405a889f0c663ec2691b346d6e2be1fcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling vec1 v1.5.1
[INFO] [stderr]    Compiling bifrost-stun v0.1.0-alpha
[INFO] [stderr]    Compiling bifrost-ice v0.1.0-alpha
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling bifrost-sdp v0.1.0
[INFO] [stderr]    Compiling bifrost v0.4.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.89s
[INFO] running `Command { std: "docker" "inspect" "8c1143214d6c3d9c4347e5ac19e43d6405a889f0c663ec2691b346d6e2be1fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1143214d6c3d9c4347e5ac19e43d6405a889f0c663ec2691b346d6e2be1fcf", kill_on_drop: false }`
[INFO] [stdout] 8c1143214d6c3d9c4347e5ac19e43d6405a889f0c663ec2691b346d6e2be1fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11e270d497854c1f7e81b768795753bedaf7bbebc7cc55ea7bd5bb55900a3322
[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" "11e270d497854c1f7e81b768795753bedaf7bbebc7cc55ea7bd5bb55900a3322", kill_on_drop: false }`
[INFO] [stderr]    Compiling bifrost v0.4.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "11e270d497854c1f7e81b768795753bedaf7bbebc7cc55ea7bd5bb55900a3322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e270d497854c1f7e81b768795753bedaf7bbebc7cc55ea7bd5bb55900a3322", kill_on_drop: false }`
[INFO] [stdout] 11e270d497854c1f7e81b768795753bedaf7bbebc7cc55ea7bd5bb55900a3322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2020-07-24" "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] 7c471b0c8fdf71ff0fd672e10241cd8f1156d26591cf9485346b3ce8ba188bcb
[INFO] running `Command { std: "docker" "start" "-a" "7c471b0c8fdf71ff0fd672e10241cd8f1156d26591cf9485346b3ce8ba188bcb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bifrost-800bd528deae807a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bifrost
[INFO] [stdout] test result: ok. 0 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" "7c471b0c8fdf71ff0fd672e10241cd8f1156d26591cf9485346b3ce8ba188bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c471b0c8fdf71ff0fd672e10241cd8f1156d26591cf9485346b3ce8ba188bcb", kill_on_drop: false }`
[INFO] [stdout] 7c471b0c8fdf71ff0fd672e10241cd8f1156d26591cf9485346b3ce8ba188bcb