[INFO] fetching crate hypercore-protocol 0.0.2...
[INFO] checking hypercore-protocol-0.0.2 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate hypercore-protocol 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate hypercore-protocol 0.0.2 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypercore-protocol 0.0.2
[INFO] finished tweaking crates.io crate hypercore-protocol 0.0.2
[INFO] tweaked toml for crates.io crate hypercore-protocol 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate hypercore-protocol 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piper v0.1.1
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[INFO] [stderr]   Downloaded async-trait v0.1.30
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[INFO] [stderr]   Downloaded duplexify v1.1.0
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[INFO] [stderr]   Downloaded snow v0.7.0-alpha5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] d80480aaef38a64f77433a63472ff6163e7fad6e7ce34c56fb10228bb3d520f3
[INFO] running `Command { std: "docker" "start" "-a" "d80480aaef38a64f77433a63472ff6163e7fad6e7ce34c56fb10228bb3d520f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d80480aaef38a64f77433a63472ff6163e7fad6e7ce34c56fb10228bb3d520f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80480aaef38a64f77433a63472ff6163e7fad6e7ce34c56fb10228bb3d520f3", kill_on_drop: false }`
[INFO] [stdout] d80480aaef38a64f77433a63472ff6163e7fad6e7ce34c56fb10228bb3d520f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3f8c89f9372c0ea249fc67e24ace7d0a21c1d58006def47d1f47271b533734f
[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" "c3f8c89f9372c0ea249fc67e24ace7d0a21c1d58006def47d1f47271b533734f", kill_on_drop: false }`
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[INFO] [stderr]     Checking piper v0.1.1
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[INFO] [stderr]    Compiling hypercore-protocol v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hypercore`
[INFO] [stdout]  --> examples/hypercore.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use hypercore::{Feed, Node, Proof, PublicKey, Signature, Storage};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared type or module `hypercore`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFutureExt`
[INFO] [stdout]  --> benches/throughput.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::future::{Either, FutureExt, TryFutureExt};
[INFO] [stdout]   |                                          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]    --> examples/hypercore.rs:105:18
[INFO] [stdout]     |
[INFO] [stdout] 105 | struct FeedStore<T>
[INFO] [stdout]     |                  ^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0392]: parameter `T` is never used
[INFO] [stdout]    --> examples/hypercore.rs:133:20
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct FeedWrapper<T>
[INFO] [stdout]     |                    ^ unused parameter
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0392, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0392`.
[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] [stdout] warning: unused import: `FutureExt`
[INFO] [stdout]  --> benches/throughput.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::future::{Either, FutureExt, TryFutureExt};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c3f8c89f9372c0ea249fc67e24ace7d0a21c1d58006def47d1f47271b533734f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3f8c89f9372c0ea249fc67e24ace7d0a21c1d58006def47d1f47271b533734f", kill_on_drop: false }`
[INFO] [stdout] c3f8c89f9372c0ea249fc67e24ace7d0a21c1d58006def47d1f47271b533734f
