[INFO] cloning repository https://github.com/nickodell/rust-tcp-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickodell/rust-tcp-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickodell%2Frust-tcp-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickodell%2Frust-tcp-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b469bf3e38c91fe3c1db9f707215646a19cb6496
[INFO] testing nickodell/rust-tcp-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickodell%2Frust-tcp-example" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickodell/rust-tcp-example 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/nickodell/rust-tcp-example
[INFO] finished tweaking git repo https://github.com/nickodell/rust-tcp-example
[INFO] tweaked toml for git repo https://github.com/nickodell/rust-tcp-example written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/nickodell/rust-tcp-example 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 890bad43c1651d82654cb9669704c9750808a0f7e68797375b8e1b35cdb7fc62
[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" "890bad43c1651d82654cb9669704c9750808a0f7e68797375b8e1b35cdb7fc62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890bad43c1651d82654cb9669704c9750808a0f7e68797375b8e1b35cdb7fc62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890bad43c1651d82654cb9669704c9750808a0f7e68797375b8e1b35cdb7fc62", kill_on_drop: false }`
[INFO] [stdout] 890bad43c1651d82654cb9669704c9750808a0f7e68797375b8e1b35cdb7fc62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b0efb4bd95870e13a855f5ea69664ef652bbf11ed6e39e18d61d2e8a61ed08a
[INFO] running `Command { std: "docker" "start" "-a" "7b0efb4bd95870e13a855f5ea69664ef652bbf11ed6e39e18d61d2e8a61ed08a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-server-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "7b0efb4bd95870e13a855f5ea69664ef652bbf11ed6e39e18d61d2e8a61ed08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0efb4bd95870e13a855f5ea69664ef652bbf11ed6e39e18d61d2e8a61ed08a", kill_on_drop: false }`
[INFO] [stdout] 7b0efb4bd95870e13a855f5ea69664ef652bbf11ed6e39e18d61d2e8a61ed08a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dbf32533329695b937dbf5f9c1fce19a22c897a631f46e19ce6af1f5b9d5e39b
[INFO] running `Command { std: "docker" "start" "-a" "dbf32533329695b937dbf5f9c1fce19a22c897a631f46e19ce6af1f5b9d5e39b", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-server-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "dbf32533329695b937dbf5f9c1fce19a22c897a631f46e19ce6af1f5b9d5e39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf32533329695b937dbf5f9c1fce19a22c897a631f46e19ce6af1f5b9d5e39b", kill_on_drop: false }`
[INFO] [stdout] dbf32533329695b937dbf5f9c1fce19a22c897a631f46e19ce6af1f5b9d5e39b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 5890a332c493106044db23f2c7781a656a078c8ccdd3d14e129352a2de5c8978
[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" "5890a332c493106044db23f2c7781a656a078c8ccdd3d14e129352a2de5c8978", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_server_rust-9654b3d22e99c998)
[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" "5890a332c493106044db23f2c7781a656a078c8ccdd3d14e129352a2de5c8978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5890a332c493106044db23f2c7781a656a078c8ccdd3d14e129352a2de5c8978", kill_on_drop: false }`
[INFO] [stdout] 5890a332c493106044db23f2c7781a656a078c8ccdd3d14e129352a2de5c8978