[INFO] cloning repository https://github.com/crystalynliu/rust-example-tcp-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crystalynliu/rust-example-tcp-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystalynliu%2Frust-example-tcp-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystalynliu%2Frust-example-tcp-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5622dcfbb594a93eec39f4355c27cd39a136208d
[INFO] testing crystalynliu/rust-example-tcp-server against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrystalynliu%2Frust-example-tcp-server" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crystalynliu/rust-example-tcp-server on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crystalynliu/rust-example-tcp-server
[INFO] finished tweaking git repo https://github.com/crystalynliu/rust-example-tcp-server
[INFO] tweaked toml for git repo https://github.com/crystalynliu/rust-example-tcp-server written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/crystalynliu/rust-example-tcp-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", 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] 56c647957fe2557a835cac374f159727b341626bbae1cd97625f7d4d546f3d2e
[INFO] running `Command { std: "docker" "start" "-a" "56c647957fe2557a835cac374f159727b341626bbae1cd97625f7d4d546f3d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56c647957fe2557a835cac374f159727b341626bbae1cd97625f7d4d546f3d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c647957fe2557a835cac374f159727b341626bbae1cd97625f7d4d546f3d2e", kill_on_drop: false }`
[INFO] [stdout] 56c647957fe2557a835cac374f159727b341626bbae1cd97625f7d4d546f3d2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 877f393863c6175be95a2dbae47752c3b74780e85d942cd2f5e6c3c19338a417
[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" "877f393863c6175be95a2dbae47752c3b74780e85d942cd2f5e6c3c19338a417", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "877f393863c6175be95a2dbae47752c3b74780e85d942cd2f5e6c3c19338a417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877f393863c6175be95a2dbae47752c3b74780e85d942cd2f5e6c3c19338a417", kill_on_drop: false }`
[INFO] [stdout] 877f393863c6175be95a2dbae47752c3b74780e85d942cd2f5e6c3c19338a417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd9f73e91541e7124a8de7b31a80abe86e3963883413b156e93e366ca6f1edb
[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" "ddd9f73e91541e7124a8de7b31a80abe86e3963883413b156e93e366ca6f1edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "ddd9f73e91541e7124a8de7b31a80abe86e3963883413b156e93e366ca6f1edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd9f73e91541e7124a8de7b31a80abe86e3963883413b156e93e366ca6f1edb", kill_on_drop: false }`
[INFO] [stdout] ddd9f73e91541e7124a8de7b31a80abe86e3963883413b156e93e366ca6f1edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-02-22" "test" "--frozen", 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] 45da8103d1b6f38436c5e94e57917aa5346cd271a54eda84fcccf6f0d0b3a948
[INFO] running `Command { std: "docker" "start" "-a" "45da8103d1b6f38436c5e94e57917aa5346cd271a54eda84fcccf6f0d0b3a948", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_server-4564bb6bcf65f8a6)
[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" "45da8103d1b6f38436c5e94e57917aa5346cd271a54eda84fcccf6f0d0b3a948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45da8103d1b6f38436c5e94e57917aa5346cd271a54eda84fcccf6f0d0b3a948", kill_on_drop: false }`
[INFO] [stdout] 45da8103d1b6f38436c5e94e57917aa5346cd271a54eda84fcccf6f0d0b3a948