[INFO] crate hypercore-protocol 0.0.1 is already in cache
[INFO] checking hypercore-protocol-0.0.1 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] extracting crate hypercore-protocol 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hypercore-protocol 0.0.1 on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hypercore-protocol 0.0.1
[INFO] finished tweaking crates.io crate hypercore-protocol 0.0.1
[INFO] tweaked toml for crates.io crate hypercore-protocol 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate hypercore-protocol 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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] d2d8a864ae4226a7e9d88331cb57b1d92caa5f820715629198904f39058c19fb
[INFO] running `Command { std: "docker" "start" "-a" "d2d8a864ae4226a7e9d88331cb57b1d92caa5f820715629198904f39058c19fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2d8a864ae4226a7e9d88331cb57b1d92caa5f820715629198904f39058c19fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d8a864ae4226a7e9d88331cb57b1d92caa5f820715629198904f39058c19fb", kill_on_drop: false }`
[INFO] [stdout] d2d8a864ae4226a7e9d88331cb57b1d92caa5f820715629198904f39058c19fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 791c74f9287a842b62a186f54770c95c9998a4e6fa050797e12a847dd71af598
[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" "791c74f9287a842b62a186f54770c95c9998a4e6fa050797e12a847dd71af598", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]     Checking varinteger v1.0.6
[INFO] [stderr]     Checking instant v0.1.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking thread_local v1.0.1
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[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling itertools v0.8.2
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[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking arrayvec v0.4.12
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[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]     Checking kv-log-macro v1.0.4
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[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling petgraph v0.5.0
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[INFO] [stderr]    Compiling snow v0.7.0-alpha5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
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[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking aead v0.2.0
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[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking polyval v0.3.3
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[INFO] [stderr]     Checking rayon-core v1.7.0
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[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking salsa20 v0.4.1
[INFO] [stderr]     Checking sha2 v0.8.1
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[INFO] [stderr]     Checking aes v0.3.2
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[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking duplexify v1.1.0
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking chacha20 v0.3.4
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking aes-gcm v0.5.0
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking chacha20poly1305 v0.4.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking pretty-hash v0.4.1
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking random-access-storage v4.0.0
[INFO] [stderr]     Checking random-access-disk v2.0.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking piper v0.1.1
[INFO] [stderr]     Checking random-access-memory v2.0.0
[INFO] [stderr]    Compiling hypercore-protocol v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.2
[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[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] 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 `std::marker::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 `std::marker::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" "791c74f9287a842b62a186f54770c95c9998a4e6fa050797e12a847dd71af598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "791c74f9287a842b62a186f54770c95c9998a4e6fa050797e12a847dd71af598", kill_on_drop: false }`
[INFO] [stdout] 791c74f9287a842b62a186f54770c95c9998a4e6fa050797e12a847dd71af598