[INFO] cloning repository https://github.com/KnockedAround/rust_chat_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KnockedAround/rust_chat_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnockedAround%2Frust_chat_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnockedAround%2Frust_chat_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c3920d2e8b59d9659665e30532c107c0ca2ccba
[INFO] testing KnockedAround/rust_chat_client against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnockedAround%2Frust_chat_client" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KnockedAround/rust_chat_client on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KnockedAround/rust_chat_client
[INFO] finished tweaking git repo https://github.com/KnockedAround/rust_chat_client
[INFO] tweaked toml for git repo https://github.com/KnockedAround/rust_chat_client written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/KnockedAround/rust_chat_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8700e2a4af99c48492ff846a02dfa4af9c5657a540cd8f78e02ed27ee977e252
[INFO] running `Command { std: "docker" "start" "-a" "8700e2a4af99c48492ff846a02dfa4af9c5657a540cd8f78e02ed27ee977e252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8700e2a4af99c48492ff846a02dfa4af9c5657a540cd8f78e02ed27ee977e252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8700e2a4af99c48492ff846a02dfa4af9c5657a540cd8f78e02ed27ee977e252", kill_on_drop: false }`
[INFO] [stdout] 8700e2a4af99c48492ff846a02dfa4af9c5657a540cd8f78e02ed27ee977e252
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5aa9c71ccb3ac356136938d1be3d9ac0c6da322da9bcd28be84f1fed7f8e3168
[INFO] running `Command { std: "docker" "start" "-a" "5aa9c71ccb3ac356136938d1be3d9ac0c6da322da9bcd28be84f1fed7f8e3168", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chat_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "5aa9c71ccb3ac356136938d1be3d9ac0c6da322da9bcd28be84f1fed7f8e3168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa9c71ccb3ac356136938d1be3d9ac0c6da322da9bcd28be84f1fed7f8e3168", kill_on_drop: false }`
[INFO] [stdout] 5aa9c71ccb3ac356136938d1be3d9ac0c6da322da9bcd28be84f1fed7f8e3168
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b62327203165cc160c3ada07e33cea2bf3eedb58c861545375364d74d5960e43
[INFO] running `Command { std: "docker" "start" "-a" "b62327203165cc160c3ada07e33cea2bf3eedb58c861545375364d74d5960e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling chat_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "b62327203165cc160c3ada07e33cea2bf3eedb58c861545375364d74d5960e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62327203165cc160c3ada07e33cea2bf3eedb58c861545375364d74d5960e43", kill_on_drop: false }`
[INFO] [stdout] b62327203165cc160c3ada07e33cea2bf3eedb58c861545375364d74d5960e43
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a4baa842052d2d09b47ac5ef97328217b932ea476cb2a64377ab1121224b424
[INFO] running `Command { std: "docker" "start" "-a" "6a4baa842052d2d09b47ac5ef97328217b932ea476cb2a64377ab1121224b424", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chat_client-2f2a4f8ce489284b)
[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" "6a4baa842052d2d09b47ac5ef97328217b932ea476cb2a64377ab1121224b424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4baa842052d2d09b47ac5ef97328217b932ea476cb2a64377ab1121224b424", kill_on_drop: false }`
[INFO] [stdout] 6a4baa842052d2d09b47ac5ef97328217b932ea476cb2a64377ab1121224b424