[INFO] fetching crate volans-stream 0.2.0...
[INFO] checking volans-stream-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate volans-stream 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate volans-stream 0.2.0
[INFO] finished tweaking crates.io crate volans-stream 0.2.0
[INFO] tweaked toml for crates.io crate volans-stream 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate volans-stream 0.2.0 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 crates.io crate volans-stream 0.2.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bc9d3c56aa4ccaf7da684c5180127a948c9cec1e01218338607c377bdc2acd46
[INFO] running `Command { std: "docker" "start" "-a" "bc9d3c56aa4ccaf7da684c5180127a948c9cec1e01218338607c377bdc2acd46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc9d3c56aa4ccaf7da684c5180127a948c9cec1e01218338607c377bdc2acd46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9d3c56aa4ccaf7da684c5180127a948c9cec1e01218338607c377bdc2acd46", kill_on_drop: false }`
[INFO] [stdout] bc9d3c56aa4ccaf7da684c5180127a948c9cec1e01218338607c377bdc2acd46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6c00f04889b6ea9220fd4a12dd18576e0b0cae87de819004e2cc0d9827864821
[INFO] running `Command { std: "docker" "start" "-a" "6c00f04889b6ea9220fd4a12dd18576e0b0cae87de819004e2cc0d9827864821", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]    Compiling volans-swarm-derive v0.2.0
[INFO] [stderr]     Checking tokio v1.47.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking serde_json v1.0.142
[INFO] [stderr]     Checking ed25519-dalek v2.2.0
[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 unsigned-varint v0.8.0
[INFO] [stderr]     Checking volans-stream-select v0.1.1
[INFO] [stderr]     Checking prost v0.14.1
[INFO] [stderr]     Checking volans-core v0.2.0
[INFO] [stderr]     Checking volans-codec v0.2.1
[INFO] [stderr]     Checking volans-swarm v0.2.0
[INFO] [stderr]     Checking volans-stream v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<(Substream, StreamProtocol), Infallible>
[INFO] [stdout]   --> src/lib.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |         ready(Ok((socket, info)))
[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<(Substream, StreamProtocol), Infallible>
[INFO] [stdout]   --> src/lib.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 44 |         ready(Ok((socket, info)))
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `volans-stream` (lib test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<(Substream, StreamProtocol), Infallible>
[INFO] [stdout]   --> src/lib.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 |         ready(Ok((socket, info)))
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<(Substream, StreamProtocol), Infallible>
[INFO] [stdout]   --> src/lib.rs:44:15
[INFO] [stdout]    |
[INFO] [stdout] 44 |         ready(Ok((socket, info)))
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `volans-stream` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6c00f04889b6ea9220fd4a12dd18576e0b0cae87de819004e2cc0d9827864821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c00f04889b6ea9220fd4a12dd18576e0b0cae87de819004e2cc0d9827864821", kill_on_drop: false }`
[INFO] [stdout] 6c00f04889b6ea9220fd4a12dd18576e0b0cae87de819004e2cc0d9827864821