[INFO] cloning repository https://github.com/tweirtx/streamline-display
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tweirtx/streamline-display" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweirtx%2Fstreamline-display", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweirtx%2Fstreamline-display'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 070c86f46a2eb2dd0db6e5c242fbe6f5cf7b3516
[INFO] testing tweirtx/streamline-display against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftweirtx%2Fstreamline-display" "/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/tweirtx/streamline-display 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/tweirtx/streamline-display
[INFO] finished tweaking git repo https://github.com/tweirtx/streamline-display
[INFO] tweaked toml for git repo https://github.com/tweirtx/streamline-display written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tweirtx/streamline-display 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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] a0fc1b0a1d02b6f0a2b60e6013b22a469261076790050c372fb1394f57bec02b
[INFO] running `Command { std: "docker" "start" "-a" "a0fc1b0a1d02b6f0a2b60e6013b22a469261076790050c372fb1394f57bec02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0fc1b0a1d02b6f0a2b60e6013b22a469261076790050c372fb1394f57bec02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fc1b0a1d02b6f0a2b60e6013b22a469261076790050c372fb1394f57bec02b", kill_on_drop: false }`
[INFO] [stdout] a0fc1b0a1d02b6f0a2b60e6013b22a469261076790050c372fb1394f57bec02b
[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: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] 1f8b886467839db707c8ca813c59e2ea9f7c7943272e0edb5fc745d29ff5bc84
[INFO] running `Command { std: "docker" "start" "-a" "1f8b886467839db707c8ca813c59e2ea9f7c7943272e0edb5fc745d29ff5bc84", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cpufeatures v0.1.1
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling sha-1 v0.9.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling websocket v0.23.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling headless_chrome v0.9.0
[INFO] [stderr]    Compiling hyper v0.14.5
[INFO] [stderr]    Compiling warp v0.3.1
[INFO] [stderr]    Compiling streamline-display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/dns.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Command::Broadcast { name } => {
[INFO] [stdout]    |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Find`
[INFO] [stdout]   --> src/dns.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     Find {
[INFO] [stdout] 40 | |         /// The name to search for.
[INFO] [stdout] 41 | |         name: String,
[INFO] [stdout] 42 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]   --> src/dns.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     List {
[INFO] [stdout] 46 | |         /// Show each name once, rather than every time it is received.
[INFO] [stdout] 47 | |         // #[structopt(long = "once")]
[INFO] [stdout] 48 | |         show_once: bool,
[INFO] [stdout] 49 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "1f8b886467839db707c8ca813c59e2ea9f7c7943272e0edb5fc745d29ff5bc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8b886467839db707c8ca813c59e2ea9f7c7943272e0edb5fc745d29ff5bc84", kill_on_drop: false }`
[INFO] [stdout] 1f8b886467839db707c8ca813c59e2ea9f7c7943272e0edb5fc745d29ff5bc84
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b232cac74ede39204a16bad1e92e0978b870f1b41a3dd806bdf5e72ff2edccd2
[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" "b232cac74ede39204a16bad1e92e0978b870f1b41a3dd806bdf5e72ff2edccd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling streamline-display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/dns.rs:55:30
[INFO] [stdout]    |
[INFO] [stdout] 55 |         Command::Broadcast { name } => {
[INFO] [stdout]    |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Find`
[INFO] [stdout]   --> src/dns.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     Find {
[INFO] [stdout] 40 | |         /// The name to search for.
[INFO] [stdout] 41 | |         name: String,
[INFO] [stdout] 42 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `List`
[INFO] [stdout]   --> src/dns.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     List {
[INFO] [stdout] 46 | |         /// Show each name once, rather than every time it is received.
[INFO] [stdout] 47 | |         // #[structopt(long = "once")]
[INFO] [stdout] 48 | |         show_once: bool,
[INFO] [stdout] 49 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "b232cac74ede39204a16bad1e92e0978b870f1b41a3dd806bdf5e72ff2edccd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b232cac74ede39204a16bad1e92e0978b870f1b41a3dd806bdf5e72ff2edccd2", kill_on_drop: false }`
[INFO] [stdout] b232cac74ede39204a16bad1e92e0978b870f1b41a3dd806bdf5e72ff2edccd2
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5145ba6be88ff4e4b41589cadb4901ef7624730845d546d01323afd4e97d6ee8
[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" "5145ba6be88ff4e4b41589cadb4901ef7624730845d546d01323afd4e97d6ee8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/dns.rs:55:30
[INFO] [stderr]    |
[INFO] [stderr] 55 |         Command::Broadcast { name } => {
[INFO] [stderr]    |                              ^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Find`
[INFO] [stderr]   --> src/dns.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 | /     Find {
[INFO] [stderr] 40 | |         /// The name to search for.
[INFO] [stderr] 41 | |         name: String,
[INFO] [stderr] 42 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `List`
[INFO] [stderr]   --> src/dns.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     List {
[INFO] [stderr] 46 | |         /// Show each name once, rather than every time it is received.
[INFO] [stderr] 47 | |         // #[structopt(long = "once")]
[INFO] [stderr] 48 | |         show_once: bool,
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: `streamline-display` (bin "streamline-display" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/streamline_display-71f3485801411b20)
[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" "5145ba6be88ff4e4b41589cadb4901ef7624730845d546d01323afd4e97d6ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5145ba6be88ff4e4b41589cadb4901ef7624730845d546d01323afd4e97d6ee8", kill_on_drop: false }`
[INFO] [stdout] 5145ba6be88ff4e4b41589cadb4901ef7624730845d546d01323afd4e97d6ee8