[INFO] fetching crate bee-storage-null 0.1.0...
[INFO] checking bee-storage-null-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bee-storage-null 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate bee-storage-null 0.1.0
[INFO] finished tweaking crates.io crate bee-storage-null 0.1.0
[INFO] tweaked toml for crates.io crate bee-storage-null 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bee-storage-null 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]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding bee-storage v0.9.0 (available: v1.0.0)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e652ee7999f7c09f66bed951b4fb76947a70ee554d91d9cee5400836d1203959
[INFO] running `Command { std: "docker" "start" "-a" "e652ee7999f7c09f66bed951b4fb76947a70ee554d91d9cee5400836d1203959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e652ee7999f7c09f66bed951b4fb76947a70ee554d91d9cee5400836d1203959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e652ee7999f7c09f66bed951b4fb76947a70ee554d91d9cee5400836d1203959", kill_on_drop: false }`
[INFO] [stdout] e652ee7999f7c09f66bed951b4fb76947a70ee554d91d9cee5400836d1203959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 63cbb84cc3cc0d59a022c71fb351e4d6be196a76469110c062fb75b00e613ca9
[INFO] running `Command { std: "docker" "start" "-a" "63cbb84cc3cc0d59a022c71fb351e4d6be196a76469110c062fb75b00e613ca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bee-common v0.4.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking bee-storage v0.9.0
[INFO] [stderr]     Checking bee-storage-null v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Storage, Infallible>
[INFO] [stdout]   --> src/lib.rs:15:66
[INFO] [stdout]    |
[INFO] [stdout] 15 |       fn start(_config: Self::Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________________^
[INFO] [stdout] 16 | |         Ok(Storage)
[INFO] [stdout] 17 | |     }
[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<Storage, Infallible>
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Ok(Storage)
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<usize>, Infallible>
[INFO] [stdout]   --> src/lib.rs:23:58
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn size(&self) -> Result<Option<usize>, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 24 | |         Ok(None)
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<usize>, Infallible>
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Ok(None)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<StorageHealth>, Infallible>
[INFO] [stdout]   --> src/lib.rs:27:93
[INFO] [stdout]    |
[INFO] [stdout] 27 |       fn get_health(&self) -> Result<Option<bee_storage::system::StorageHealth>, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________________________^
[INFO] [stdout] 28 | |         Ok(None)
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<StorageHealth>, Infallible>
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Ok(None)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/access/exist.rs:9:60
[INFO] [stdout]    |
[INFO] [stdout]  9 |       fn exist(&self, _key: &K) -> Result<bool, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 10 | |         Ok(false)
[INFO] [stdout] 11 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/access/exist.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Ok(false)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<V>, Infallible>
[INFO] [stdout]   --> src/access/fetch.rs:9:65
[INFO] [stdout]    |
[INFO] [stdout]  9 |       fn fetch(&self, _key: &K) -> Result<Option<V>, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________^
[INFO] [stdout] 10 | |         Ok(None)
[INFO] [stdout] 11 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Storage, Infallible>
[INFO] [stdout]   --> src/lib.rs:15:66
[INFO] [stdout]    |
[INFO] [stdout] 15 |       fn start(_config: Self::Config) -> Result<Self, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________________^
[INFO] [stdout] 16 | |         Ok(Storage)
[INFO] [stdout] 17 | |     }
[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<Storage, Infallible>
[INFO] [stdout]   --> src/lib.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         Ok(Storage)
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<usize>, Infallible>
[INFO] [stdout]   --> src/lib.rs:23:58
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn size(&self) -> Result<Option<usize>, Self::Error> {
[INFO] [stdout]    |  __________________________________________________________^
[INFO] [stdout] 24 | |         Ok(None)
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<usize>, Infallible>
[INFO] [stdout]   --> src/lib.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Ok(None)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<StorageHealth>, Infallible>
[INFO] [stdout]   --> src/lib.rs:27:93
[INFO] [stdout]    |
[INFO] [stdout] 27 |       fn get_health(&self) -> Result<Option<bee_storage::system::StorageHealth>, Self::Error> {
[INFO] [stdout]    |  _____________________________________________________________________________________________^
[INFO] [stdout] 28 | |         Ok(None)
[INFO] [stdout] 29 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<StorageHealth>, Infallible>
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         Ok(None)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/access/exist.rs:9:60
[INFO] [stdout]    |
[INFO] [stdout]  9 |       fn exist(&self, _key: &K) -> Result<bool, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 10 | |         Ok(false)
[INFO] [stdout] 11 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]   --> src/access/exist.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Ok(false)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<V>, Infallible>
[INFO] [stdout]   --> src/access/fetch.rs:9:65
[INFO] [stdout]    |
[INFO] [stdout]  9 |       fn fetch(&self, _key: &K) -> Result<Option<V>, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________^
[INFO] [stdout] 10 | |         Ok(None)
[INFO] [stdout] 11 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<V>, Infallible>
[INFO] [stdout]   --> src/access/fetch.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Ok(None)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StorageIterator<K, V>, Infallible>
[INFO] [stdout]   --> src/access/iter.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |       fn iter(&'a self) -> Result<Self::AsIter, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 32 | |         Ok(StorageIterator::new())
[INFO] [stdout] 33 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StorageIterator<K, V>, Infallible>
[INFO] [stdout]   --> src/access/iter.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Ok(StorageIterator::new())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MultiIter<K, V>, Infallible>
[INFO] [stdout]   --> src/access/multi_fetch.rs:32:81
[INFO] [stdout]    |
[INFO] [stdout] 32 |       fn multi_fetch(&'a self, _keys: &'a [K]) -> Result<Self::Iter, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________________________^
[INFO] [stdout] 33 | |         Ok(MultiIter::new())
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MultiIter<K, V>, Infallible>
[INFO] [stdout]   --> src/access/multi_fetch.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Ok(MultiIter::new())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<V>, Infallible>
[INFO] [stdout]   --> src/access/fetch.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Ok(None)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StorageIterator<K, V>, Infallible>
[INFO] [stdout]   --> src/access/iter.rs:31:60
[INFO] [stdout]    |
[INFO] [stdout] 31 |       fn iter(&'a self) -> Result<Self::AsIter, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 32 | |         Ok(StorageIterator::new())
[INFO] [stdout] 33 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<StorageIterator<K, V>, Infallible>
[INFO] [stdout]   --> src/access/iter.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Ok(StorageIterator::new())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MultiIter<K, V>, Infallible>
[INFO] [stdout]   --> src/access/multi_fetch.rs:32:81
[INFO] [stdout]    |
[INFO] [stdout] 32 |       fn multi_fetch(&'a self, _keys: &'a [K]) -> Result<Self::Iter, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________________________^
[INFO] [stdout] 33 | |         Ok(MultiIter::new())
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MultiIter<K, V>, Infallible>
[INFO] [stdout]   --> src/access/multi_fetch.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Ok(MultiIter::new())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bee-storage-null` (lib) due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bee-storage-null` (lib test) due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "63cbb84cc3cc0d59a022c71fb351e4d6be196a76469110c062fb75b00e613ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cbb84cc3cc0d59a022c71fb351e4d6be196a76469110c062fb75b00e613ca9", kill_on_drop: false }`
[INFO] [stdout] 63cbb84cc3cc0d59a022c71fb351e4d6be196a76469110c062fb75b00e613ca9
