[INFO] fetching crate cqrs 0.3.1...
[INFO] checking cqrs-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cqrs 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate cqrs 0.3.1
[INFO] finished tweaking crates.io crate cqrs 0.3.1
[INFO] tweaked toml for crates.io crate cqrs 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cqrs 0.3.1 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 60 packages to latest compatible versions
[INFO] [stderr]       Adding parking_lot v0.9.0 (available: v0.12.5)
[INFO] [stderr]       Adding static_assertions v0.3.4 (available: v1.1.0)
[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-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] 17fb92aa1f7cb2860a6617e9f460411db2584708c524332300dbd640700ec5b0
[INFO] running `Command { std: "docker" "start" "-a" "17fb92aa1f7cb2860a6617e9f460411db2584708c524332300dbd640700ec5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17fb92aa1f7cb2860a6617e9f460411db2584708c524332300dbd640700ec5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17fb92aa1f7cb2860a6617e9f460411db2584708c524332300dbd640700ec5b0", kill_on_drop: false }`
[INFO] [stdout] 17fb92aa1f7cb2860a6617e9f460411db2584708c524332300dbd640700ec5b0
[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] f9c65118ff8d2f22feb011aedf52ff6c3c6117c78d0bf1588f8f8f685ee57de7
[INFO] running `Command { std: "docker" "start" "-a" "f9c65118ff8d2f22feb011aedf52ff6c3c6117c78d0bf1588f8f8f685ee57de7", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking cqrs-core v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking cqrs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Option<Vec<VersionedEvent<E>>>, Void>
[INFO] [stdout]    --> src/memory.rs:85:5
[INFO] [stdout]     |
[INFO] [stdout]  85 | /     {
[INFO] [stdout]  86 | |         let table = self.inner.read();
[INFO] [stdout]  87 | |
[INFO] [stdout]  88 | |         let stream = table.get(id.as_str());
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |         Ok(result)
[INFO] [stdout] 119 | |     }
[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<Option<Vec<VersionedEvent<E>>>, Void>
[INFO] [stdout]    --> src/memory.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Ok(result)
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<VersionedAggregate<A>>, Void>
[INFO] [stdout]    --> src/memory.rs:270:5
[INFO] [stdout]     |
[INFO] [stdout] 270 | /     {
[INFO] [stdout] 271 | |         let table = self.inner.read();
[INFO] [stdout] 272 | |
[INFO] [stdout] 273 | |         let snapshot = table.get(id.as_str()).map(|data| data.read().to_owned());
[INFO] [stdout] 274 | |
[INFO] [stdout] 275 | |         Ok(snapshot)
[INFO] [stdout] 276 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<VersionedAggregate<A>>, Void>
[INFO] [stdout]    --> src/memory.rs:275:9
[INFO] [stdout]     |
[INFO] [stdout] 275 |         Ok(snapshot)
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Version, Void>
[INFO] [stdout]    --> src/memory.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 | /     {
[INFO] [stdout] 297 | |         let table = self.inner.upgradable_read();
[INFO] [stdout] 298 | |
[INFO] [stdout] 299 | |         let owned_aggregate = VersionedAggregate {
[INFO] [stdout] ...   |
[INFO] [stdout] 312 | |         Ok(version)
[INFO] [stdout] 313 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Version, Void>
[INFO] [stdout]    --> src/memory.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         Ok(version)
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<std::iter::Empty<VersionedEvent<E>>>, Void>
[INFO] [stdout]   --> src/trivial.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | /     {
[INFO] [stdout] 66 | |         Ok(None)
[INFO] [stdout] 67 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<std::iter::Empty<VersionedEvent<E>>>, Void>
[INFO] [stdout]   --> src/trivial.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         Ok(None)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EventNumber, Void>
[INFO] [stdout]   --> src/trivial.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 | /     {
[INFO] [stdout] 88 | |         Ok(EventNumber::MIN_VALUE)
[INFO] [stdout] 89 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EventNumber, Void>
[INFO] [stdout]   --> src/trivial.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Ok(EventNumber::MIN_VALUE)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<VersionedAggregate<A>>, Void>
[INFO] [stdout]    --> src/trivial.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | /     {
[INFO] [stdout] 138 | |         Ok(None)
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<VersionedAggregate<A>>, Void>
[INFO] [stdout]    --> src/trivial.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Ok(None)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Version, Void>
[INFO] [stdout]    --> src/trivial.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | /     {
[INFO] [stdout] 160 | |         Ok(last_snapshot_version.unwrap_or_default())
[INFO] [stdout] 161 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Version, Void>
[INFO] [stdout]    --> src/trivial.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         Ok(last_snapshot_version.unwrap_or_default())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cqrs` (lib) due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f9c65118ff8d2f22feb011aedf52ff6c3c6117c78d0bf1588f8f8f685ee57de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c65118ff8d2f22feb011aedf52ff6c3c6117c78d0bf1588f8f8f685ee57de7", kill_on_drop: false }`
[INFO] [stdout] f9c65118ff8d2f22feb011aedf52ff6c3c6117c78d0bf1588f8f8f685ee57de7
