[INFO] cloning repository https://github.com/4-sight/rust-chat_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4-sight/rust-chat_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4-sight%2Frust-chat_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4-sight%2Frust-chat_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa16ae4787db875251138af43e452d22432fd5a7
[INFO] testing 4-sight/rust-chat_server against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4-sight%2Frust-chat_server" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4-sight/rust-chat_server 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/4-sight/rust-chat_server
[INFO] finished tweaking git repo https://github.com/4-sight/rust-chat_server
[INFO] tweaked toml for git repo https://github.com/4-sight/rust-chat_server written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/4-sight/rust-chat_server 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 4769d11cadd897bce3aaf31a56dbbc2e4175804c9d22d97b6c1e26b5053c9c82
[INFO] running `Command { std: "docker" "start" "-a" "4769d11cadd897bce3aaf31a56dbbc2e4175804c9d22d97b6c1e26b5053c9c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4769d11cadd897bce3aaf31a56dbbc2e4175804c9d22d97b6c1e26b5053c9c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4769d11cadd897bce3aaf31a56dbbc2e4175804c9d22d97b6c1e26b5053c9c82", kill_on_drop: false }`
[INFO] [stdout] 4769d11cadd897bce3aaf31a56dbbc2e4175804c9d22d97b6c1e26b5053c9c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 1d93f20c268736a054c3d4e5195d8c2386b3a7da2e227ad6f840c4558ed139f5
[INFO] running `Command { std: "docker" "start" "-a" "1d93f20c268736a054c3d4e5195d8c2386b3a7da2e227ad6f840c4558ed139f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.12s
[INFO] running `Command { std: "docker" "inspect" "1d93f20c268736a054c3d4e5195d8c2386b3a7da2e227ad6f840c4558ed139f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d93f20c268736a054c3d4e5195d8c2386b3a7da2e227ad6f840c4558ed139f5", kill_on_drop: false }`
[INFO] [stdout] 1d93f20c268736a054c3d4e5195d8c2386b3a7da2e227ad6f840c4558ed139f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 9b6d1cf504a95e74794f4ae4ebe68d6b35ef8bcc5733cae0cead9ad2b5bebb83
[INFO] running `Command { std: "docker" "start" "-a" "9b6d1cf504a95e74794f4ae4ebe68d6b35ef8bcc5733cae0cead9ad2b5bebb83", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "9b6d1cf504a95e74794f4ae4ebe68d6b35ef8bcc5733cae0cead9ad2b5bebb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6d1cf504a95e74794f4ae4ebe68d6b35ef8bcc5733cae0cead9ad2b5bebb83", kill_on_drop: false }`
[INFO] [stdout] 9b6d1cf504a95e74794f4ae4ebe68d6b35ef8bcc5733cae0cead9ad2b5bebb83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 008fe73296a5ae2f64e2bb7c7247860355d5db03e64499961e4338c515864e9d
[INFO] running `Command { std: "docker" "start" "-a" "008fe73296a5ae2f64e2bb7c7247860355d5db03e64499961e4338c515864e9d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-c634a747b4069a02)
[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" "008fe73296a5ae2f64e2bb7c7247860355d5db03e64499961e4338c515864e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008fe73296a5ae2f64e2bb7c7247860355d5db03e64499961e4338c515864e9d", kill_on_drop: false }`
[INFO] [stdout] 008fe73296a5ae2f64e2bb7c7247860355d5db03e64499961e4338c515864e9d