[INFO] fetching crate bitcoin_uri 0.1.0...
[INFO] checking bitcoin_uri-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bitcoin_uri 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate bitcoin_uri 0.1.0
[INFO] finished tweaking crates.io crate bitcoin_uri 0.1.0
[INFO] tweaked toml for crates.io crate bitcoin_uri 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitcoin_uri 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[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] e58a86f112d0f9032e1847a21919d90ebe0aa5a7e3f78f25aa16b3ead4e3908a
[INFO] running `Command { std: "docker" "start" "-a" "e58a86f112d0f9032e1847a21919d90ebe0aa5a7e3f78f25aa16b3ead4e3908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e58a86f112d0f9032e1847a21919d90ebe0aa5a7e3f78f25aa16b3ead4e3908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e58a86f112d0f9032e1847a21919d90ebe0aa5a7e3f78f25aa16b3ead4e3908a", kill_on_drop: false }`
[INFO] [stdout] e58a86f112d0f9032e1847a21919d90ebe0aa5a7e3f78f25aa16b3ead4e3908a
[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] c63ca7037ddca08d37bf836319cba20f9cbf35dd9f6ce7dcaf7027a9a8a59694
[INFO] running `Command { std: "docker" "start" "-a" "c63ca7037ddca08d37bf836319cba20f9cbf35dd9f6ce7dcaf7027a9a8a59694", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitcoin-internals v0.3.0
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]    Compiling bitcoin v0.32.7
[INFO] [stderr]     Checking percent-encoding-rfc3986 v0.1.3
[INFO] [stderr]     Checking bitcoin_hashes v0.14.0
[INFO] [stderr]     Checking bitcoin-units v0.1.2
[INFO] [stderr]     Checking base58ck v0.1.0
[INFO] [stderr]     Checking secp256k1 v0.29.1
[INFO] [stderr]     Checking bitcoin_uri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this type continue be must used: Result<ParamKind, Infallible>
[INFO] [stdout]    --> src/lib.rs:327:138
[INFO] [stdout]     |
[INFO] [stdout] 327 |       fn deserialize_temp(&mut self, _key: &str, _value: Param<'_>) -> Result<de::ParamKind, <Self::Value as DeserializationError>::Error> {
[INFO] [stdout]     |  __________________________________________________________________________________________________________________________________________^
[INFO] [stdout] 328 | |         Ok(de::ParamKind::Unknown)
[INFO] [stdout] 329 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<ParamKind, Infallible>
[INFO] [stdout]    --> src/lib.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         Ok(de::ParamKind::Unknown)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NoExtras, Infallible>
[INFO] [stdout]    --> src/lib.rs:331:92
[INFO] [stdout]     |
[INFO] [stdout] 331 |       fn finalize(self) -> Result<Self::Value, <Self::Value as DeserializationError>::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________________________^
[INFO] [stdout] 332 | |         Ok(Default::default())
[INFO] [stdout] 333 | |     }
[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<NoExtras, Infallible>
[INFO] [stdout]    --> src/lib.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         Ok(Default::default())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcoin_uri` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: this type continue be must used: Result<ParamKind, Infallible>
[INFO] [stdout]    --> src/lib.rs:327:138
[INFO] [stdout]     |
[INFO] [stdout] 327 |       fn deserialize_temp(&mut self, _key: &str, _value: Param<'_>) -> Result<de::ParamKind, <Self::Value as DeserializationError>::Error> {
[INFO] [stdout]     |  __________________________________________________________________________________________________________________________________________^
[INFO] [stdout] 328 | |         Ok(de::ParamKind::Unknown)
[INFO] [stdout] 329 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mustuse_in_always_ok)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<ParamKind, Infallible>
[INFO] [stdout]    --> src/lib.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         Ok(de::ParamKind::Unknown)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<NoExtras, Infallible>
[INFO] [stdout]    --> src/lib.rs:331:92
[INFO] [stdout]     |
[INFO] [stdout] 331 |       fn finalize(self) -> Result<Self::Value, <Self::Value as DeserializationError>::Error> {
[INFO] [stdout]     |  ____________________________________________________________________________________________^
[INFO] [stdout] 332 | |         Ok(Default::default())
[INFO] [stdout] 333 | |     }
[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<NoExtras, Infallible>
[INFO] [stdout]    --> src/lib.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         Ok(Default::default())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcoin_uri` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c63ca7037ddca08d37bf836319cba20f9cbf35dd9f6ce7dcaf7027a9a8a59694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63ca7037ddca08d37bf836319cba20f9cbf35dd9f6ce7dcaf7027a9a8a59694", kill_on_drop: false }`
[INFO] [stdout] c63ca7037ddca08d37bf836319cba20f9cbf35dd9f6ce7dcaf7027a9a8a59694