[INFO] fetching crate concordium-smart-contract-engine 6.1.0...
[INFO] checking concordium-smart-contract-engine-6.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate concordium-smart-contract-engine 6.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate concordium-smart-contract-engine 6.1.0
[INFO] finished tweaking crates.io crate concordium-smart-contract-engine 6.1.0
[INFO] tweaked toml for crates.io crate concordium-smart-contract-engine 6.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate concordium-smart-contract-engine 6.1.0 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 217 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding num_enum v0.6.1 (available: v0.7.5)
[INFO] [stderr]       Adding ptree v0.4.0 (available: v0.5.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding secp256k1 v0.22.2 (available: v0.31.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] 08391f728a13c5d86679220bb5bd0c22650ae0b0a72e6217615c1864bff02055
[INFO] running `Command { std: "docker" "start" "-a" "08391f728a13c5d86679220bb5bd0c22650ae0b0a72e6217615c1864bff02055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08391f728a13c5d86679220bb5bd0c22650ae0b0a72e6217615c1864bff02055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08391f728a13c5d86679220bb5bd0c22650ae0b0a72e6217615c1864bff02055", kill_on_drop: false }`
[INFO] [stdout] 08391f728a13c5d86679220bb5bd0c22650ae0b0a72e6217615c1864bff02055
[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] 3d1ac4155b1e1a292b18fb0481c3de34127abe2c2d3fa553c5b8cd1efa695a63
[INFO] running `Command { std: "docker" "start" "-a" "3d1ac4155b1e1a292b18fb0481c3de34127abe2c2d3fa553c5b8cd1efa695a63", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling rust_decimal v1.39.0
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.5.2
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking secp256k1 v0.22.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling concordium-contracts-common-derive v4.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.6.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking num_enum v0.6.1
[INFO] [stderr]     Checking zerocopy v0.8.27
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking ed25519-zebra v4.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking concordium-contracts-common v9.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking criterion v0.7.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking concordium-wasm v5.1.0
[INFO] [stderr]     Checking concordium-smart-contract-engine v6.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/v1/mod.rs:1483:19
[INFO] [stdout]      |
[INFO] [stdout] 1483 |     fn entrypoint(&self) -> ExecResult<EntrypointName>;
[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] 1483 |     fn entrypoint(&self) -> ExecResult<EntrypointName<'_>>;
[INFO] [stdout]      |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/v1/mod.rs:1506:19
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     fn entrypoint(&self) -> ExecResult<EntrypointName> { Ok(self.entrypoint.as_entrypoint_name()) }
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     fn entrypoint(&self) -> ExecResult<EntrypointName<'_>> { Ok(self.entrypoint.as_entrypoint_name()) }
[INFO] [stdout]      |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/v1/mod.rs:1511:19
[INFO] [stdout]      |
[INFO] [stdout] 1511 |     fn entrypoint(&self) -> ExecResult<EntrypointName> { (*self).entrypoint() }
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1511 |     fn entrypoint(&self) -> ExecResult<EntrypointName<'_>> { (*self).entrypoint() }
[INFO] [stdout]      |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/api.rs:199:61
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn into_iterator<L: BackingStoreLoad>(self, loader: &mut L) -> PersistentStateIterator<L> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn into_iterator<L: BackingStoreLoad>(self, loader: &mut L) -> PersistentStateIterator<'_, L> {
[INFO] [stdout]     |                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]    --> src/v1/trie/api.rs:335:15
[INFO] [stdout]     |
[INFO] [stdout] 335 |         match self.state.next(self.loader, iterator, &mut EmptyCounter) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/api.rs:394:17
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn lock(&self) -> StateTrie { self.state.lock().expect("Another thread panicked.") }
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn lock(&self) -> StateTrie<'_> { self.state.lock().expect("Another thread panicked.") }
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/low_level.rs:410:37
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn get<L: BackingStoreLoad>(&self, loader: &mut L) -> MaybeOwned<V> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn get<L: BackingStoreLoad>(&self, loader: &mut L) -> MaybeOwned<'_, V> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/low_level.rs:723:17
[INFO] [stdout]     |
[INFO] [stdout] 723 |     pub fn iter(&self) -> StemIter {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 723 |     pub fn iter(&self) -> StemIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/low_level.rs:981:23
[INFO] [stdout]     |
[INFO] [stdout] 981 |     pub(crate) fn get(&self, loader: &mut impl BackingStoreLoad) -> ByteSlice {
[INFO] [stdout]     |                       ^^^^^ the lifetime is elided here             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 981 |     pub(crate) fn get(&self, loader: &mut impl BackingStoreLoad) -> ByteSlice<'_> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/v1/trie/low_level.rs:1002:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         &self,
[INFO] [stdout]      |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 1003 |         loader: &mut impl BackingStoreLoad,
[INFO] [stdout] 1004 |     ) -> (Option<&Hash>, ByteSlice) {
[INFO] [stdout]      |                  ^^^^^   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                  |
[INFO] [stdout]      |                  the same lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1004 |     ) -> (Option<&Hash>, ByteSlice<'_>) {
[INFO] [stdout]      |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concordium-smart-contract-engine` (lib) due to 1 previous error; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/v1/mod.rs:1483:19
[INFO] [stdout]      |
[INFO] [stdout] 1483 |     fn entrypoint(&self) -> ExecResult<EntrypointName>;
[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] 1483 |     fn entrypoint(&self) -> ExecResult<EntrypointName<'_>>;
[INFO] [stdout]      |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/v1/mod.rs:1506:19
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     fn entrypoint(&self) -> ExecResult<EntrypointName> { Ok(self.entrypoint.as_entrypoint_name()) }
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1506 |     fn entrypoint(&self) -> ExecResult<EntrypointName<'_>> { Ok(self.entrypoint.as_entrypoint_name()) }
[INFO] [stdout]      |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/v1/mod.rs:1511:19
[INFO] [stdout]      |
[INFO] [stdout] 1511 |     fn entrypoint(&self) -> ExecResult<EntrypointName> { (*self).entrypoint() }
[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] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1511 |     fn entrypoint(&self) -> ExecResult<EntrypointName<'_>> { (*self).entrypoint() }
[INFO] [stdout]      |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]   --> src/v1/trie/tests.rs:37:21
[INFO] [stdout]    |
[INFO] [stdout] 37 |           let entry = trie
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 38 | |             .next(loader, &mut iterator, &mut EmptyCounter)
[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<trie::types::EntryId>, NoError>
[INFO] [stdout]   --> src/v1/trie/tests.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         trie.next(loader, &mut iterator, &mut EmptyCounter)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:245:25
[INFO] [stdout]     |
[INFO] [stdout] 245 |               let entry = mutable
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 246 | |                 .next(&mut loader, &mut iterator, &mut EmptyCounter)
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:412:24
[INFO] [stdout]     |
[INFO] [stdout] 412 |                     == trie.delete_prefix(&mut loader, &prefix[..], &mut EmptyCounter).unwrap(),
[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<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:479:25
[INFO] [stdout]     |
[INFO] [stdout] 479 |                         trie.delete_prefix(&mut loader, candidate, &mut EmptyCounter)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:504:33
[INFO] [stdout]     |
[INFO] [stdout] 504 | ...                   trie.delete_prefix(&mut loader, candidate, &mut EmptyCounter)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:583:25
[INFO] [stdout]     |
[INFO] [stdout] 583 |                         trie.delete_prefix(&mut loader, candidate, &mut EmptyCounter)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:610:33
[INFO] [stdout]     |
[INFO] [stdout] 610 | ...                   trie.delete_prefix(&mut loader, candidate, &mut EmptyCounter)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:671:21
[INFO] [stdout]     |
[INFO] [stdout] 671 |                     trie.delete_prefix(&mut loader, &locked_prefix_extended, &mut EmptyCounter)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:700:25
[INFO] [stdout]     |
[INFO] [stdout] 700 |                         trie.delete_prefix(&mut loader, &new_path, &mut EmptyCounter)
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:707:21
[INFO] [stdout]     |
[INFO] [stdout] 707 |                     trie.delete_prefix(&mut loader, &step_up, &mut EmptyCounter)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:734:21
[INFO] [stdout]     |
[INFO] [stdout] 734 |                     trie.delete_prefix(&mut loader, &locked_prefix_extended, &mut EmptyCounter)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:740:21
[INFO] [stdout]     |
[INFO] [stdout] 740 |                     trie.delete_prefix(&mut loader, &step_up, &mut EmptyCounter)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this type continue be must used: Result<Result<bool, trie::types::AttemptToModifyLockedArea>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:764:13
[INFO] [stdout]     |
[INFO] [stdout] 764 |             trie.delete_prefix(&mut loader, &prefix[..], &mut EmptyCounter)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<&mut Vec<u8>>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:913:38
[INFO] [stdout]     |
[INFO] [stdout] 913 |                       if let Some(v) = trie
[INFO] [stdout]     |  ______________________________________^
[INFO] [stdout] 914 | |                         .get_mut(entry, &mut loader, &mut EmptyCounter)
[INFO] [stdout]     | |_______________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:946:38
[INFO] [stdout]     |
[INFO] [stdout] 946 |                   if let Some(entry) = trie
[INFO] [stdout]     |  ______________________________________^
[INFO] [stdout] 947 | |                     .next(&mut loader, &mut iterator_gen_1, &mut EmptyCounter)
[INFO] [stdout]     | |______________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:965:16
[INFO] [stdout]     |
[INFO] [stdout] 965 |               if trie
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 966 | |                 .next(&mut loader, &mut iterator_gen_1, &mut EmptyCounter)
[INFO] [stdout]     | |__________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:984:34
[INFO] [stdout]     |
[INFO] [stdout] 984 |               if let Some(entry) = trie
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 985 | |                 .next(&mut loader, &mut iterator, &mut EmptyCounter)
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]    --> src/v1/trie/tests.rs:998:9
[INFO] [stdout]     |
[INFO] [stdout] 998 |         trie.next(&mut loader, &mut iterator, &mut EmptyCounter)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]     --> src/v1/trie/tests.rs:1039:38
[INFO] [stdout]      |
[INFO] [stdout] 1039 |                   if let Some(entry) = trie
[INFO] [stdout]      |  ______________________________________^
[INFO] [stdout] 1040 | |                     .next(&mut loader, &mut iterator, &mut EmptyCounter)
[INFO] [stdout]      | |________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/api.rs:199:61
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn into_iterator<L: BackingStoreLoad>(self, loader: &mut L) -> PersistentStateIterator<L> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 199 |     pub fn into_iterator<L: BackingStoreLoad>(self, loader: &mut L) -> PersistentStateIterator<'_, L> {
[INFO] [stdout]     |                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<trie::types::EntryId>, NoError>
[INFO] [stdout]    --> src/v1/trie/api.rs:335:15
[INFO] [stdout]     |
[INFO] [stdout] 335 |         match self.state.next(self.loader, iterator, &mut EmptyCounter) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/api.rs:394:17
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn lock(&self) -> StateTrie { self.state.lock().expect("Another thread panicked.") }
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn lock(&self) -> StateTrie<'_> { self.state.lock().expect("Another thread panicked.") }
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/low_level.rs:410:37
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn get<L: BackingStoreLoad>(&self, loader: &mut L) -> MaybeOwned<V> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn get<L: BackingStoreLoad>(&self, loader: &mut L) -> MaybeOwned<'_, V> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/low_level.rs:723:17
[INFO] [stdout]     |
[INFO] [stdout] 723 |     pub fn iter(&self) -> StemIter {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 723 |     pub fn iter(&self) -> StemIter<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/v1/trie/low_level.rs:981:23
[INFO] [stdout]     |
[INFO] [stdout] 981 |     pub(crate) fn get(&self, loader: &mut impl BackingStoreLoad) -> ByteSlice {
[INFO] [stdout]     |                       ^^^^^ the lifetime is elided here             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 981 |     pub(crate) fn get(&self, loader: &mut impl BackingStoreLoad) -> ByteSlice<'_> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/v1/trie/low_level.rs:1002:9
[INFO] [stdout]      |
[INFO] [stdout] 1002 |         &self,
[INFO] [stdout]      |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 1003 |         loader: &mut impl BackingStoreLoad,
[INFO] [stdout] 1004 |     ) -> (Option<&Hash>, ByteSlice) {
[INFO] [stdout]      |                  ^^^^^   ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |                  |
[INFO] [stdout]      |                  the same lifetime is elided here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1004 |     ) -> (Option<&Hash>, ByteSlice<'_>) {
[INFO] [stdout]      |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concordium-smart-contract-engine` (lib test) due to 10 previous errors; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3d1ac4155b1e1a292b18fb0481c3de34127abe2c2d3fa553c5b8cd1efa695a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1ac4155b1e1a292b18fb0481c3de34127abe2c2d3fa553c5b8cd1efa695a63", kill_on_drop: false }`
[INFO] [stdout] 3d1ac4155b1e1a292b18fb0481c3de34127abe2c2d3fa553c5b8cd1efa695a63
