[INFO] cloning repository https://github.com/andromeda-voyager/rust-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andromeda-voyager/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandromeda-voyager%2Frust-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandromeda-voyager%2Frust-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 040aab304eaf2af15c2c055f831a2830f13a096f
[INFO] testing andromeda-voyager/rust-chat against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandromeda-voyager%2Frust-chat" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andromeda-voyager/rust-chat on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andromeda-voyager/rust-chat
[INFO] finished tweaking git repo https://github.com/andromeda-voyager/rust-chat
[INFO] tweaked toml for git repo https://github.com/andromeda-voyager/rust-chat written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/andromeda-voyager/rust-chat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ae4f7f7684c51704f016db2c4f1cab2e8326fb1c6a613f5d9815a9323c114f6
[INFO] running `Command { std: "docker" "start" "-a" "9ae4f7f7684c51704f016db2c4f1cab2e8326fb1c6a613f5d9815a9323c114f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ae4f7f7684c51704f016db2c4f1cab2e8326fb1c6a613f5d9815a9323c114f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae4f7f7684c51704f016db2c4f1cab2e8326fb1c6a613f5d9815a9323c114f6", kill_on_drop: false }`
[INFO] [stdout] 9ae4f7f7684c51704f016db2c4f1cab2e8326fb1c6a613f5d9815a9323c114f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb2826c6b8ec431fca49a9441024a93eea178a353b2c6fde8925d4cad79e25f2
[INFO] running `Command { std: "docker" "start" "-a" "cb2826c6b8ec431fca49a9441024a93eea178a353b2c6fde8925d4cad79e25f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.58s
[INFO] running `Command { std: "docker" "inspect" "cb2826c6b8ec431fca49a9441024a93eea178a353b2c6fde8925d4cad79e25f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2826c6b8ec431fca49a9441024a93eea178a353b2c6fde8925d4cad79e25f2", kill_on_drop: false }`
[INFO] [stdout] cb2826c6b8ec431fca49a9441024a93eea178a353b2c6fde8925d4cad79e25f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a95451128c7dc3405aff86dbd37e4479504e28eb98eb6315196beb37c221459
[INFO] running `Command { std: "docker" "start" "-a" "3a95451128c7dc3405aff86dbd37e4479504e28eb98eb6315196beb37c221459", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "3a95451128c7dc3405aff86dbd37e4479504e28eb98eb6315196beb37c221459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a95451128c7dc3405aff86dbd37e4479504e28eb98eb6315196beb37c221459", kill_on_drop: false }`
[INFO] [stdout] 3a95451128c7dc3405aff86dbd37e4479504e28eb98eb6315196beb37c221459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 968cc247d3026ecb019df41a6055509f8c3421bd80dcf1d2721f854f374c7af9
[INFO] running `Command { std: "docker" "start" "-a" "968cc247d3026ecb019df41a6055509f8c3421bd80dcf1d2721f854f374c7af9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat-98a4662202f3454d)
[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" "968cc247d3026ecb019df41a6055509f8c3421bd80dcf1d2721f854f374c7af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968cc247d3026ecb019df41a6055509f8c3421bd80dcf1d2721f854f374c7af9", kill_on_drop: false }`
[INFO] [stdout] 968cc247d3026ecb019df41a6055509f8c3421bd80dcf1d2721f854f374c7af9