[INFO] cloning repository https://github.com/baizetianxia/baizetianxia-polkadot_rust_class03_homewor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/baizetianxia/baizetianxia-polkadot_rust_class03_homewor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaizetianxia%2Fbaizetianxia-polkadot_rust_class03_homewor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaizetianxia%2Fbaizetianxia-polkadot_rust_class03_homewor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c20ee700adfcc20a1e3a7f425f630d7f56901a8
[INFO] testing baizetianxia/baizetianxia-polkadot_rust_class03_homewor against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbaizetianxia%2Fbaizetianxia-polkadot_rust_class03_homewor" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/baizetianxia/baizetianxia-polkadot_rust_class03_homewor on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/baizetianxia/baizetianxia-polkadot_rust_class03_homewor
[INFO] finished tweaking git repo https://github.com/baizetianxia/baizetianxia-polkadot_rust_class03_homewor
[INFO] tweaked toml for git repo https://github.com/baizetianxia/baizetianxia-polkadot_rust_class03_homewor written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/baizetianxia/baizetianxia-polkadot_rust_class03_homewor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddba8561353aec8c6d83feaf804f2661b0ab7d5642840374ba2c2ced0fc0bf28
[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" "ddba8561353aec8c6d83feaf804f2661b0ab7d5642840374ba2c2ced0fc0bf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddba8561353aec8c6d83feaf804f2661b0ab7d5642840374ba2c2ced0fc0bf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddba8561353aec8c6d83feaf804f2661b0ab7d5642840374ba2c2ced0fc0bf28", kill_on_drop: false }`
[INFO] [stdout] ddba8561353aec8c6d83feaf804f2661b0ab7d5642840374ba2c2ced0fc0bf28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] b79fdeb0c2704fdb6be5e3f254101d339cace5692f626bf38539bbbabedd7b79
[INFO] running `Command { std: "docker" "start" "-a" "b79fdeb0c2704fdb6be5e3f254101d339cace5692f626bf38539bbbabedd7b79", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_server_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "b79fdeb0c2704fdb6be5e3f254101d339cace5692f626bf38539bbbabedd7b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79fdeb0c2704fdb6be5e3f254101d339cace5692f626bf38539bbbabedd7b79", kill_on_drop: false }`
[INFO] [stdout] b79fdeb0c2704fdb6be5e3f254101d339cace5692f626bf38539bbbabedd7b79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aaf39035006e340c3c4d888ef9a0c998a8a489058bdca15dcd70b0503dd7278
[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" "4aaf39035006e340c3c4d888ef9a0c998a8a489058bdca15dcd70b0503dd7278", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_server_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "4aaf39035006e340c3c4d888ef9a0c998a8a489058bdca15dcd70b0503dd7278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aaf39035006e340c3c4d888ef9a0c998a8a489058bdca15dcd70b0503dd7278", kill_on_drop: false }`
[INFO] [stdout] 4aaf39035006e340c3c4d888ef9a0c998a8a489058bdca15dcd70b0503dd7278
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 553c02e030b0baa2797008f4dce686b80f2c7d643cff3c678a59663f9b2b48e9
[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" "553c02e030b0baa2797008f4dce686b80f2c7d643cff3c678a59663f9b2b48e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcp_server_client-4c860b321dedbeff)
[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" "553c02e030b0baa2797008f4dce686b80f2c7d643cff3c678a59663f9b2b48e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553c02e030b0baa2797008f4dce686b80f2c7d643cff3c678a59663f9b2b48e9", kill_on_drop: false }`
[INFO] [stdout] 553c02e030b0baa2797008f4dce686b80f2c7d643cff3c678a59663f9b2b48e9