[INFO] fetching crate rudp2p 0.4.0...
[INFO] checking rudp2p-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rudp2p 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rudp2p 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rudp2p 0.4.0
[INFO] tweaked toml for crates.io crate rudp2p 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rudp2p 0.4.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 342 packages to latest compatible versions
[INFO] [stderr]       Adding cucumber v0.20.2 (available: v0.21.1)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding mysql v24.0.0 (available: v26.0.1)
[INFO] [stderr]       Adding r2d2_mysql v24.0.0 (available: v25.0.0)
[INFO] [stderr]       Adding r2d2_sqlite v0.22.0 (available: v0.31.0)
[INFO] [stderr]       Adding rusqlite v0.29.0 (available: v0.37.0)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 450cd9116e3c7c4fb4b4440facabf967cb6d5b32ee17c61bbc4c99acd0aa78d0
[INFO] running `Command { std: "docker" "start" "-a" "450cd9116e3c7c4fb4b4440facabf967cb6d5b32ee17c61bbc4c99acd0aa78d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "450cd9116e3c7c4fb4b4440facabf967cb6d5b32ee17c61bbc4c99acd0aa78d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450cd9116e3c7c4fb4b4440facabf967cb6d5b32ee17c61bbc4c99acd0aa78d0", kill_on_drop: false }`
[INFO] [stdout] 450cd9116e3c7c4fb4b4440facabf967cb6d5b32ee17c61bbc4c99acd0aa78d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e5108401fc8fdee81705c00f8963b7276cf1ecbd68a0a0ab26fa5044d406a594
[INFO] running `Command { std: "docker" "start" "-a" "e5108401fc8fdee81705c00f8963b7276cf1ecbd68a0a0ab26fa5044d406a594", kill_on_drop: false }`
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[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking serialize_bits v0.1.0
[INFO] [stderr]     Checking rudp2p v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking r2d2_sqlite v0.22.0
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[INFO] [stdout] error: this type will no longer be must used: Result<PeersWorld, Infallible>
[INFO] [stdout]   --> tests/data/mod.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[derive(World, Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the derive macro `World` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> tests/data/mod.rs:216:25
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub(crate) fn close(&self) -> LocalBoxFuture<()> {
[INFO] [stdout]     |                         ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub(crate) fn close(&self) -> LocalBoxFuture<'_, ()> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> tests/steps/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[when(expr = "the peer {string} connects to {string}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `when` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> tests/steps/mod.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[when(expr = "the peer {string} disconnects")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `when` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> tests/steps/mod.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[when(expr = "the peer {string} sends {string} to {string}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `when` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> tests/steps/mod.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | #[when(expr = "the peer {string} blocks the peer {string}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `when` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> tests/steps/mod.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | #[when(expr = "the peer {string} unblocks the peer {string}")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `when` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> tests/steps/mod.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | #[then(expr = "the peer {string} does not receives")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `then` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> tests/steps/mod.rs:93:1
[INFO] [stdout]    |
[INFO] [stdout] 93 | #[then(expr = "the peer {string} receives")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `then` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rudp2p` (test "features") due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e5108401fc8fdee81705c00f8963b7276cf1ecbd68a0a0ab26fa5044d406a594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5108401fc8fdee81705c00f8963b7276cf1ecbd68a0a0ab26fa5044d406a594", kill_on_drop: false }`
[INFO] [stdout] e5108401fc8fdee81705c00f8963b7276cf1ecbd68a0a0ab26fa5044d406a594