[INFO] cloning repository https://github.com/Co0sh/hexagon-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Co0sh/hexagon-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCo0sh%2Fhexagon-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCo0sh%2Fhexagon-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb16c647ac08c1935877add66ed57172d22a4471
[INFO] checking Co0sh/hexagon-engine against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCo0sh%2Fhexagon-engine" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Co0sh/hexagon-engine on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Co0sh/hexagon-engine
[INFO] finished tweaking git repo https://github.com/Co0sh/hexagon-engine
[INFO] tweaked toml for git repo https://github.com/Co0sh/hexagon-engine written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Co0sh/hexagon-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3a4960747ae2f613d2d3d348e709a76c3abd9fd272412831a7c83175e9501ce
[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" "e3a4960747ae2f613d2d3d348e709a76c3abd9fd272412831a7c83175e9501ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a4960747ae2f613d2d3d348e709a76c3abd9fd272412831a7c83175e9501ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a4960747ae2f613d2d3d348e709a76c3abd9fd272412831a7c83175e9501ce", kill_on_drop: false }`
[INFO] [stdout] e3a4960747ae2f613d2d3d348e709a76c3abd9fd272412831a7c83175e9501ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92d8f75211f48fee0a2ecbca1b8f3711c5d7b3ea7f13211614a524e8ed86b2df
[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" "92d8f75211f48fee0a2ecbca1b8f3711c5d7b3ea7f13211614a524e8ed86b2df", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking tokio-sync v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking names v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking websocket v0.22.3
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking hexagon-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `futures::stream::Select` in tuple element 0 that must be used
[INFO] [stdout]   --> src/connect.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     runtime.block_on(runner)?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `futures::stream::Select` in tuple element 0 that must be used
[INFO] [stdout]   --> src/connect.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     runtime.block_on(runner)?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: streams do nothing unless polled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.03s
[INFO] running `Command { std: "docker" "inspect" "92d8f75211f48fee0a2ecbca1b8f3711c5d7b3ea7f13211614a524e8ed86b2df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d8f75211f48fee0a2ecbca1b8f3711c5d7b3ea7f13211614a524e8ed86b2df", kill_on_drop: false }`
[INFO] [stdout] 92d8f75211f48fee0a2ecbca1b8f3711c5d7b3ea7f13211614a524e8ed86b2df