[INFO] fetching crate concread 0.4.3...
[INFO] checking concread-0.4.3 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate concread 0.4.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate concread 0.4.3 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concread 0.4.3
[INFO] finished tweaking crates.io crate concread 0.4.3
[INFO] tweaked toml for crates.io crate concread 0.4.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 116 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding lru v0.7.8 (latest: v0.12.3)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru v0.7.8
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] [stderr]   Downloaded sptr v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02b8f3816b8cf0e620d8a0e5162ea66aff86dbc5d28a426a2cfadc21bdd54426
[INFO] running `Command { std: "docker" "start" "-a" "02b8f3816b8cf0e620d8a0e5162ea66aff86dbc5d28a426a2cfadc21bdd54426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02b8f3816b8cf0e620d8a0e5162ea66aff86dbc5d28a426a2cfadc21bdd54426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b8f3816b8cf0e620d8a0e5162ea66aff86dbc5d28a426a2cfadc21bdd54426", kill_on_drop: false }`
[INFO] [stdout] 02b8f3816b8cf0e620d8a0e5162ea66aff86dbc5d28a426a2cfadc21bdd54426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6351dd18a4a7ff0844ca5eac10519ae4ae963d03658fcd9b80a00b5d493f78d3
[INFO] running `Command { std: "docker" "start" "-a" "6351dd18a4a7ff0844ca5eac10519ae4ae963d03658fcd9b80a00b5d493f78d3", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking concread v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stdout] error: method `get_root_ref` is never used
[INFO] [stdout]    --> src/internals/bptree/cursor.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) trait CursorReadOps<K: Clone + Ord + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- method in this trait
[INFO] [stdout] 175 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:37:9
[INFO] [stdout]     |
[INFO] [stdout] 37  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field `txid` is never read
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) struct CursorRead<K, V>
[INFO] [stdout]     |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |     txid: u64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CursorRead` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stdout] error: methods `get_root_ref`, `get_txid`, and `contains_key` are never used
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] 183 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn get_txid(&self) -> u64;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn contains_key<'a, 'b, Q: ?Sized>(&'a self, h: u64, k: &'b Q) -> bool
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `verify_inner` and `verify` are never used
[INFO] [stdout]    --> src/internals/hashtrie/cursor.rs:563:8
[INFO] [stdout]     |
[INFO] [stdout] 504 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 563 |     fn verify_inner(&self, expect_clean: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 598 |     fn verify(&self);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concread` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6351dd18a4a7ff0844ca5eac10519ae4ae963d03658fcd9b80a00b5d493f78d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6351dd18a4a7ff0844ca5eac10519ae4ae963d03658fcd9b80a00b5d493f78d3", kill_on_drop: false }`
[INFO] [stdout] 6351dd18a4a7ff0844ca5eac10519ae4ae963d03658fcd9b80a00b5d493f78d3
[INFO] checking concread-0.4.3 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate concread 0.4.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate concread 0.4.3 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concread 0.4.3
[INFO] finished tweaking crates.io crate concread 0.4.3
[INFO] tweaked toml for crates.io crate concread 0.4.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 116 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding lru v0.7.8 (latest: v0.12.3)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a97074e6f231974c06435a6c63d39af36bee6a7c42fb2a7d9c867690bfb30ae
[INFO] running `Command { std: "docker" "start" "-a" "7a97074e6f231974c06435a6c63d39af36bee6a7c42fb2a7d9c867690bfb30ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a97074e6f231974c06435a6c63d39af36bee6a7c42fb2a7d9c867690bfb30ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a97074e6f231974c06435a6c63d39af36bee6a7c42fb2a7d9c867690bfb30ae", kill_on_drop: false }`
[INFO] [stdout] 7a97074e6f231974c06435a6c63d39af36bee6a7c42fb2a7d9c867690bfb30ae
[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" "-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4cb493aa2c24f03a53eb933692d4ef4e421f5c7b3ba9151106475d63e4c57a4
[INFO] running `Command { std: "docker" "start" "-a" "f4cb493aa2c24f03a53eb933692d4ef4e421f5c7b3ba9151106475d63e4c57a4", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sptr v0.3.2
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking lru v0.7.8
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking concread v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stdout] error: method `get_root_ref` is never used
[INFO] [stdout]    --> src/internals/bptree/cursor.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) trait CursorReadOps<K: Clone + Ord + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- method in this trait
[INFO] [stdout] 175 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:37:9
[INFO] [stdout]     |
[INFO] [stdout] 37  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field `txid` is never read
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) struct CursorRead<K, V>
[INFO] [stdout]     |                   ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |     txid: u64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CursorRead` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `get_root_ref`, `get_txid`, and `contains_key` are never used
[INFO] [stdout]    --> src/internals/hashmap/cursor.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] 183 |     fn get_root_ref(&self) -> &Node<K, V>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn get_txid(&self) -> u64;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     fn contains_key<'a, 'b, Q: ?Sized>(&'a self, h: u64, k: &'b Q) -> bool
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: methods `verify_inner` and `verify` are never used
[INFO] [stdout]    --> src/internals/hashtrie/cursor.rs:563:8
[INFO] [stdout]     |
[INFO] [stdout] 504 | pub(crate) trait CursorReadOps<K: Clone + Hash + Eq + Debug, V: Clone> {
[INFO] [stdout]     |                  ------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 563 |     fn verify_inner(&self, expect_clean: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 598 |     fn verify(&self);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `concread` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f4cb493aa2c24f03a53eb933692d4ef4e421f5c7b3ba9151106475d63e4c57a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4cb493aa2c24f03a53eb933692d4ef4e421f5c7b3ba9151106475d63e4c57a4", kill_on_drop: false }`
[INFO] [stdout] f4cb493aa2c24f03a53eb933692d4ef4e421f5c7b3ba9151106475d63e4c57a4
