[INFO] cloning repository https://github.com/MarinPostma/tcp_async_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarinPostma/tcp_async_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarinPostma%2Ftcp_async_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarinPostma%2Ftcp_async_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c48f63b57323ec0033b05504430e0680c50033ec
[INFO] testing MarinPostma/tcp_async_server against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarinPostma%2Ftcp_async_server" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarinPostma/tcp_async_server on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarinPostma/tcp_async_server
[INFO] finished tweaking git repo https://github.com/MarinPostma/tcp_async_server
[INFO] tweaked toml for git repo https://github.com/MarinPostma/tcp_async_server written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/MarinPostma/tcp_async_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 254913f500684df6eadb9edeecbc4759d50ffbb9c2a9e29b0b351d1f0e0db703
[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" "254913f500684df6eadb9edeecbc4759d50ffbb9c2a9e29b0b351d1f0e0db703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "254913f500684df6eadb9edeecbc4759d50ffbb9c2a9e29b0b351d1f0e0db703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "254913f500684df6eadb9edeecbc4759d50ffbb9c2a9e29b0b351d1f0e0db703", kill_on_drop: false }`
[INFO] [stdout] 254913f500684df6eadb9edeecbc4759d50ffbb9c2a9e29b0b351d1f0e0db703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 9343f5defbd3c92a65870c7e301bcd092d2a0aa2a0520d8f24ae509ce20b9a95
[INFO] running `Command { std: "docker" "start" "-a" "9343f5defbd3c92a65870c7e301bcd092d2a0aa2a0520d8f24ae509ce20b9a95", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "9343f5defbd3c92a65870c7e301bcd092d2a0aa2a0520d8f24ae509ce20b9a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9343f5defbd3c92a65870c7e301bcd092d2a0aa2a0520d8f24ae509ce20b9a95", kill_on_drop: false }`
[INFO] [stdout] 9343f5defbd3c92a65870c7e301bcd092d2a0aa2a0520d8f24ae509ce20b9a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a833e6a05c839be3df1d489e6c6d9d4d7719d395760014c737b4f9a97a96a0e
[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" "2a833e6a05c839be3df1d489e6c6d9d4d7719d395760014c737b4f9a97a96a0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_tcp_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "2a833e6a05c839be3df1d489e6c6d9d4d7719d395760014c737b4f9a97a96a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a833e6a05c839be3df1d489e6c6d9d4d7719d395760014c737b4f9a97a96a0e", kill_on_drop: false }`
[INFO] [stdout] 2a833e6a05c839be3df1d489e6c6d9d4d7719d395760014c737b4f9a97a96a0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cbc7e48b03c437dd3100e76a8c21517c35922b39b06215e0d9a39d152d3a36df
[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" "cbc7e48b03c437dd3100e76a8c21517c35922b39b06215e0d9a39d152d3a36df", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_tcp_server-07797ef882df7ba0
[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" "cbc7e48b03c437dd3100e76a8c21517c35922b39b06215e0d9a39d152d3a36df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc7e48b03c437dd3100e76a8c21517c35922b39b06215e0d9a39d152d3a36df", kill_on_drop: false }`
[INFO] [stdout] cbc7e48b03c437dd3100e76a8c21517c35922b39b06215e0d9a39d152d3a36df