[INFO] cloning repository https://github.com/informalsystems/libp2p-broadcast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/informalsystems/libp2p-broadcast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finformalsystems%2Flibp2p-broadcast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finformalsystems%2Flibp2p-broadcast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e56cae478612bffbed3ab6008aa4a49d79af1359
[INFO] checking informalsystems/libp2p-broadcast against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finformalsystems%2Flibp2p-broadcast" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/informalsystems/libp2p-broadcast
[INFO] finished tweaking git repo https://github.com/informalsystems/libp2p-broadcast
[INFO] tweaked toml for git repo https://github.com/informalsystems/libp2p-broadcast written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/informalsystems/libp2p-broadcast on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/informalsystems/libp2p-broadcast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c9558fd6ca723e5562402c37ef5795946123d1227a29c8f03b54a2a9396812e
[INFO] running `Command { std: "docker" "start" "-a" "4c9558fd6ca723e5562402c37ef5795946123d1227a29c8f03b54a2a9396812e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9558fd6ca723e5562402c37ef5795946123d1227a29c8f03b54a2a9396812e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9558fd6ca723e5562402c37ef5795946123d1227a29c8f03b54a2a9396812e", kill_on_drop: false }`
[INFO] [stdout] 4c9558fd6ca723e5562402c37ef5795946123d1227a29c8f03b54a2a9396812e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13fa941d4a78b02e95bebc0d6304de15689314ac15497fe9087cab70a993c24a
[INFO] running `Command { std: "docker" "start" "-a" "13fa941d4a78b02e95bebc0d6304de15689314ac15497fe9087cab70a993c24a", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling prometheus-client v0.22.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling prometheus-client-derive-encode v0.4.2
[INFO] [stderr]     Checking dtoa v1.0.10
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking multihash v0.19.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.16
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking data-encoding-macro v0.1.18
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking libp2p-identity v0.2.12
[INFO] [stderr]     Checking multiaddr v0.18.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking asynchronous-codec v0.7.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking multistream-select v0.13.0
[INFO] [stderr]     Checking rw-stream-sink v0.4.0
[INFO] [stderr]     Checking libp2p-core v0.43.1
[INFO] [stderr]     Checking libp2p-swarm v0.46.0
[INFO] [stderr]     Checking libp2p-allow-block-list v0.5.0
[INFO] [stderr]     Checking libp2p-connection-limits v0.5.0
[INFO] [stderr]     Checking libp2p v0.55.0
[INFO] [stderr]     Checking libp2p-broadcast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<libp2p::Stream, Infallible>
[INFO] [stdout]   --> src/protocol.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |         ready(Ok(socket))
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<libp2p::Stream, Infallible>
[INFO] [stdout]   --> src/protocol.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ready(Ok(socket))
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-broadcast` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<libp2p::Stream, Infallible>
[INFO] [stdout]   --> src/protocol.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |         ready(Ok(socket))
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<libp2p::Stream, Infallible>
[INFO] [stdout]   --> src/protocol.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ready(Ok(socket))
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libp2p-broadcast` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "13fa941d4a78b02e95bebc0d6304de15689314ac15497fe9087cab70a993c24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fa941d4a78b02e95bebc0d6304de15689314ac15497fe9087cab70a993c24a", kill_on_drop: false }`
[INFO] [stdout] 13fa941d4a78b02e95bebc0d6304de15689314ac15497fe9087cab70a993c24a