[INFO] cloning repository https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Frando/hypercore-protocol-rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a3ad0e17364a2ed3d5801e8e90153e214a4b64d
[INFO] testing Frando/hypercore-protocol-rust-experiments against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrando%2Fhypercore-protocol-rust-experiments" "/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/Frando/hypercore-protocol-rust-experiments on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] finished tweaking git repo https://github.com/Frando/hypercore-protocol-rust-experiments
[INFO] tweaked toml for git repo https://github.com/Frando/hypercore-protocol-rust-experiments written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/datrs/hypercore`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 5b69559c7b63bb633cf1483570c6b73ab719706f06e010bbab50a4941d3da86d
[INFO] running `Command { std: "docker" "start" "-a" "5b69559c7b63bb633cf1483570c6b73ab719706f06e010bbab50a4941d3da86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b69559c7b63bb633cf1483570c6b73ab719706f06e010bbab50a4941d3da86d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b69559c7b63bb633cf1483570c6b73ab719706f06e010bbab50a4941d3da86d", kill_on_drop: false }`
[INFO] [stdout] 5b69559c7b63bb633cf1483570c6b73ab719706f06e010bbab50a4941d3da86d
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 1b645a1733974f3d0ebecf3ed4ab9dc21f4c6cfcbe09e9b09a19b20ba065073f
[INFO] running `Command { std: "docker" "start" "-a" "1b645a1733974f3d0ebecf3ed4ab9dc21f4c6cfcbe09e9b09a19b20ba065073f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
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[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pretty-hash v0.4.1
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling chacha20 v0.4.3
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling chacha20poly1305 v0.5.1
[INFO] [stderr]    Compiling x25519-dalek v0.6.0
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling hypercore-protocol v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "1b645a1733974f3d0ebecf3ed4ab9dc21f4c6cfcbe09e9b09a19b20ba065073f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b645a1733974f3d0ebecf3ed4ab9dc21f4c6cfcbe09e9b09a19b20ba065073f", kill_on_drop: false }`
[INFO] [stdout] 1b645a1733974f3d0ebecf3ed4ab9dc21f4c6cfcbe09e9b09a19b20ba065073f
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0f24055b13d6907ffe15ba72085964f293312794da724df47c28dd6a51c8df4
[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" "c0f24055b13d6907ffe15ba72085964f293312794da724df47c28dd6a51c8df4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling fastrand v1.3.3
[INFO] [stderr]    Compiling event-listener v2.2.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling memory-pager v0.9.0
[INFO] [stderr]    Compiling flat-tree v5.0.0
[INFO] [stderr]    Compiling mkdirp v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling concurrent-queue v1.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling sparse-bitfield v0.11.0
[INFO] [stderr]    Compiling merkle-tree-stream v0.12.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling futures-lite v0.1.9
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling async-channel v1.1.1
[INFO] [stderr]    Compiling tree-index v0.6.1
[INFO] [stderr]    Compiling pretty-bytes v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling random-access-storage v4.0.0
[INFO] [stderr]    Compiling bitfield-rle v0.2.0
[INFO] [stderr]    Compiling sleep-parser v0.8.0
[INFO] [stderr]    Compiling piper v0.1.3
[INFO] [stderr]    Compiling random-access-memory v2.0.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling async-std v1.6.2
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling random-access-disk v2.0.0
[INFO] [stderr]    Compiling duplexify v1.1.0
[INFO] [stderr]    Compiling hypercore v0.11.1-beta.10 (https://github.com/datrs/hypercore?branch=master#9b7973da)
[INFO] [stderr]    Compiling hypercore-protocol v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `unwrap` found for opaque type `impl futures::Future` in the current scope
[INFO] [stdout]   --> examples/hypercore.rs:38:67
[INFO] [stdout]    |
[INFO] [stdout] 38 |             let feed = Feed::builder(public_key, storage).build().unwrap();
[INFO] [stdout]    |                                                                   ^^^^^^ method not found in `impl futures::Future`
[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 E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hypercore-protocol`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c0f24055b13d6907ffe15ba72085964f293312794da724df47c28dd6a51c8df4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f24055b13d6907ffe15ba72085964f293312794da724df47c28dd6a51c8df4", kill_on_drop: false }`
[INFO] [stdout] c0f24055b13d6907ffe15ba72085964f293312794da724df47c28dd6a51c8df4