[INFO] fetching crate bifrost 0.4.0-alpha.2...
[INFO] testing bifrost-0.4.0-alpha.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate bifrost 0.4.0-alpha.2 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate bifrost 0.4.0-alpha.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efb5f592ee2a7dcb62a8757a97c478a06a69cbe4bb620f9cd7b725f60e5a43fa
[INFO] running `Command { std: "docker" "start" "-a" "efb5f592ee2a7dcb62a8757a97c478a06a69cbe4bb620f9cd7b725f60e5a43fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efb5f592ee2a7dcb62a8757a97c478a06a69cbe4bb620f9cd7b725f60e5a43fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb5f592ee2a7dcb62a8757a97c478a06a69cbe4bb620f9cd7b725f60e5a43fa", kill_on_drop: false }`
[INFO] [stdout] efb5f592ee2a7dcb62a8757a97c478a06a69cbe4bb620f9cd7b725f60e5a43fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6159de419fa9c323e5a8621c746f3c62aac69e0f51645398314f9b9dec5e53e1
[INFO] running `Command { std: "docker" "start" "-a" "6159de419fa9c323e5a8621c746f3c62aac69e0f51645398314f9b9dec5e53e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling vec1 v1.8.0
[INFO] [stderr]    Compiling bifrost-ice v0.1.0-alpha
[INFO] [stderr]    Compiling bifrost-stun v0.1.0-alpha
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[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 4.82s
[INFO] running `Command { std: "docker" "inspect" "6159de419fa9c323e5a8621c746f3c62aac69e0f51645398314f9b9dec5e53e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6159de419fa9c323e5a8621c746f3c62aac69e0f51645398314f9b9dec5e53e1", kill_on_drop: false }`
[INFO] [stdout] 6159de419fa9c323e5a8621c746f3c62aac69e0f51645398314f9b9dec5e53e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9563072031df176e76c25582d9c9e139102e9d434cf0c356d6e66cdcc643a6ea
[INFO] running `Command { std: "docker" "start" "-a" "9563072031df176e76c25582d9c9e139102e9d434cf0c356d6e66cdcc643a6ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bifrost v0.4.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/bifrost-ca154d9713f8f70a)
[INFO] running `Command { std: "docker" "inspect" "9563072031df176e76c25582d9c9e139102e9d434cf0c356d6e66cdcc643a6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9563072031df176e76c25582d9c9e139102e9d434cf0c356d6e66cdcc643a6ea", kill_on_drop: false }`
[INFO] [stdout] 9563072031df176e76c25582d9c9e139102e9d434cf0c356d6e66cdcc643a6ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67fb026d84a8d817314e815ccdf6db942134337927e58d10c7df3d87a3db4204
[INFO] running `Command { std: "docker" "start" "-a" "67fb026d84a8d817314e815ccdf6db942134337927e58d10c7df3d87a3db4204", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bifrost-ca154d9713f8f70a)
[INFO] [stderr]    Doc-tests bifrost
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67fb026d84a8d817314e815ccdf6db942134337927e58d10c7df3d87a3db4204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fb026d84a8d817314e815ccdf6db942134337927e58d10c7df3d87a3db4204", kill_on_drop: false }`
[INFO] [stdout] 67fb026d84a8d817314e815ccdf6db942134337927e58d10c7df3d87a3db4204