[INFO] cloning repository https://github.com/flopacero/surf-helloworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flopacero/surf-helloworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflopacero%2Fsurf-helloworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflopacero%2Fsurf-helloworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2219863d5e61bcb38d0525c441928fdb911a2e0
[INFO] checking flopacero/surf-helloworld against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflopacero%2Fsurf-helloworld" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flopacero/surf-helloworld 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/flopacero/surf-helloworld
[INFO] finished tweaking git repo https://github.com/flopacero/surf-helloworld
[INFO] tweaked toml for git repo https://github.com/flopacero/surf-helloworld written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/flopacero/surf-helloworld 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a7d37703d000ac088f5960b4176a0ff574836080175c45771d79eb4c31590f97
[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" "a7d37703d000ac088f5960b4176a0ff574836080175c45771d79eb4c31590f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7d37703d000ac088f5960b4176a0ff574836080175c45771d79eb4c31590f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d37703d000ac088f5960b4176a0ff574836080175c45771d79eb4c31590f97", kill_on_drop: false }`
[INFO] [stdout] a7d37703d000ac088f5960b4176a0ff574836080175c45771d79eb4c31590f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 274c38fa974578277a878e2bd2d11b319f11b495cf3f3c2b0e6ee4b6abde1474
[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" "274c38fa974578277a878e2bd2d11b319f11b495cf3f3c2b0e6ee4b6abde1474", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling curl v0.4.24
[INFO] [stderr]    Compiling isahc v0.7.4
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.21
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking surf v1.0.2
[INFO] [stdout] error[E0277]: the trait bound `std::io::Empty: futures::AsyncRead` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/surf-1.0.2/src/http_client/mod.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |             reader: Box::new(std::io::empty()),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `futures::AsyncRead` is not implemented for `std::io::Empty`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast to the object type `dyn futures::AsyncRead + Unpin + std::marker::Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `surf`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "274c38fa974578277a878e2bd2d11b319f11b495cf3f3c2b0e6ee4b6abde1474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274c38fa974578277a878e2bd2d11b319f11b495cf3f3c2b0e6ee4b6abde1474", kill_on_drop: false }`
[INFO] [stdout] 274c38fa974578277a878e2bd2d11b319f11b495cf3f3c2b0e6ee4b6abde1474