[INFO] fetching crate basecoin-store 0.2.0...
[INFO] checking basecoin-store-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate basecoin-store 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate basecoin-store 0.2.0
[INFO] finished tweaking crates.io crate basecoin-store 0.2.0
[INFO] tweaked toml for crates.io crate basecoin-store 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate basecoin-store 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] 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 88 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding prost v0.13.5 (available: v0.14.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding tendermint v0.38.1 (available: v0.40.4)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 35a699732f11c9400dcb47f79dc7e5210ab8d3b37a199438fe20926136fc2353
[INFO] running `Command { std: "docker" "start" "-a" "35a699732f11c9400dcb47f79dc7e5210ab8d3b37a199438fe20926136fc2353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35a699732f11c9400dcb47f79dc7e5210ab8d3b37a199438fe20926136fc2353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a699732f11c9400dcb47f79dc7e5210ab8d3b37a199438fe20926136fc2353", kill_on_drop: false }`
[INFO] [stdout] 35a699732f11c9400dcb47f79dc7e5210ab8d3b37a199438fe20926136fc2353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e6746919cdd97daf9e0cfe6b9281e9a12c667feab9f347e8ee79439be893547a
[INFO] running `Command { std: "docker" "start" "-a" "e6746919cdd97daf9e0cfe6b9281e9a12c667feab9f347e8ee79439be893547a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking flex-error v0.4.4
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking ripemd v0.1.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling prost-derive v0.13.5
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking prost v0.13.5
[INFO] [stderr]     Checking prost-types v0.13.5
[INFO] [stderr]     Checking ics23 v0.12.0
[INFO] [stderr]     Checking tendermint-proto v0.38.1
[INFO] [stderr]     Checking tendermint v0.38.1
[INFO] [stderr]     Checking basecoin-store v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<Vec<u8>>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:131:91
[INFO] [stdout]     |
[INFO] [stdout] 131 |       fn set(&mut self, path: Path, value: Vec<u8>) -> Result<Option<Vec<u8>>, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________________________________________^
[INFO] [stdout] 132 | |         trace!("set at path = {}", path.to_string());
[INFO] [stdout] 133 | |         Ok(self.pending.insert(path, value))
[INFO] [stdout] 134 | |     }
[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<std::option::Option<Vec<u8>>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         Ok(self.pending.insert(path, value))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:149:58
[INFO] [stdout]     |
[INFO] [stdout] 149 |       fn commit(&mut self) -> Result<Vec<u8>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 150 | |         self.apply()?;
[INFO] [stdout] 151 | |         trace!("committing height: {}", self.current_height());
[INFO] [stdout] 152 | |         self.store.push(self.staged.clone());
[INFO] [stdout] 153 | |         Ok(self.root_hash())
[INFO] [stdout] 154 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.apply()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         Ok(self.root_hash())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:167:78
[INFO] [stdout]     |
[INFO] [stdout] 167 |       fn prune(&mut self, height: RawHeight) -> Result<RawHeight, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________________________^
[INFO] [stdout] 168 | |         let h = height as usize;
[INFO] [stdout] 169 | |         self.store.prune(h);
[INFO] [stdout] 170 | |         Ok(height)
[INFO] [stdout] 171 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         Ok(height)
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basecoin-store` (lib) due to 7 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<std::option::Option<Vec<u8>>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:131:91
[INFO] [stdout]     |
[INFO] [stdout] 131 |       fn set(&mut self, path: Path, value: Vec<u8>) -> Result<Option<Vec<u8>>, Self::Error> {
[INFO] [stdout]     |  ___________________________________________________________________________________________^
[INFO] [stdout] 132 | |         trace!("set at path = {}", path.to_string());
[INFO] [stdout] 133 | |         Ok(self.pending.insert(path, value))
[INFO] [stdout] 134 | |     }
[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<std::option::Option<Vec<u8>>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         Ok(self.pending.insert(path, value))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:149:58
[INFO] [stdout]     |
[INFO] [stdout] 149 |       fn commit(&mut self) -> Result<Vec<u8>, Self::Error> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 150 | |         self.apply()?;
[INFO] [stdout] 151 | |         trace!("committing height: {}", self.current_height());
[INFO] [stdout] 152 | |         self.store.push(self.staged.clone());
[INFO] [stdout] 153 | |         Ok(self.root_hash())
[INFO] [stdout] 154 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         self.apply()?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:153:9
[INFO] [stdout]     |
[INFO] [stdout] 153 |         Ok(self.root_hash())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:167:78
[INFO] [stdout]     |
[INFO] [stdout] 167 |       fn prune(&mut self, height: RawHeight) -> Result<RawHeight, Self::Error> {
[INFO] [stdout]     |  ______________________________________________________________________________^
[INFO] [stdout] 168 | |         let h = height as usize;
[INFO] [stdout] 169 | |         self.store.prune(h);
[INFO] [stdout] 170 | |         Ok(height)
[INFO] [stdout] 171 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         Ok(height)
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<Vec<u8>>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |         store.set(path.clone(), value1.clone()).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         store.commit().unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<Vec<u8>>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |         store.set(path.clone(), value2.clone()).unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/impls/in_memory.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         store.commit().unwrap();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basecoin-store` (lib test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "e6746919cdd97daf9e0cfe6b9281e9a12c667feab9f347e8ee79439be893547a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6746919cdd97daf9e0cfe6b9281e9a12c667feab9f347e8ee79439be893547a", kill_on_drop: false }`
[INFO] [stdout] e6746919cdd97daf9e0cfe6b9281e9a12c667feab9f347e8ee79439be893547a
