[INFO] cloning repository https://github.com/meilisearch/poc-heed-codec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meilisearch/poc-heed-codec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/meilisearch/poc-heed-codec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meilisearch/poc-heed-codec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec/refs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/meilisearch/poc-heed-codec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meilisearch/poc-heed-codec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb9d6be59c14261ee8644aabb353dd17539bfda7
[INFO] checking meilisearch/poc-heed-codec against master#ed141926048597e3649bb238ca3dc417904cd56c for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeilisearch%2Fpoc-heed-codec" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meilisearch/poc-heed-codec on toolchain ed141926048597e3649bb238ca3dc417904cd56c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meilisearch/poc-heed-codec
[INFO] finished tweaking git repo https://github.com/meilisearch/poc-heed-codec
[INFO] tweaked toml for git repo https://github.com/meilisearch/poc-heed-codec written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/meilisearch/poc-heed-codec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 161873b9330f8156334a078c8a8f05be3f0ee9ca30797b089eeb91b5ef4aede3
[INFO] running `Command { std: "docker" "start" "-a" "161873b9330f8156334a078c8a8f05be3f0ee9ca30797b089eeb91b5ef4aede3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "161873b9330f8156334a078c8a8f05be3f0ee9ca30797b089eeb91b5ef4aede3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161873b9330f8156334a078c8a8f05be3f0ee9ca30797b089eeb91b5ef4aede3", kill_on_drop: false }`
[INFO] [stdout] 161873b9330f8156334a078c8a8f05be3f0ee9ca30797b089eeb91b5ef4aede3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b2a0d9c012342c85b827151cbed07261caac601e1ded14a5c00bc7affbb2fa8
[INFO] running `Command { std: "docker" "start" "-a" "5b2a0d9c012342c85b827151cbed07261caac601e1ded14a5c00bc7affbb2fa8", kill_on_drop: false }`
[INFO] [stderr]     Checking poc-heed-codec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     K: BytesEncode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 60 |     K: BytesEncode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     V: BytesEncode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 61 |     V: BytesEncode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     K: BytesEncode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 68 |     K: BytesEncode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     V: BytesDecode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 69 |     V: BytesDecode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     K: BytesEncode + BytesDecode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 79 |     K: BytesEncode<'t> + BytesDecode,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |     K: BytesEncode + BytesDecode,
[INFO] [stdout]    |                      ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 79 |     K: BytesEncode + BytesDecode<'t>,
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     K: BytesEncode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 60 |     K: BytesEncode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     V: BytesDecode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 80 |     V: BytesDecode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     V: BytesEncode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 61 |     V: BytesEncode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 |     K: BytesEncode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 68 |     K: BytesEncode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     V: BytesDecode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 69 |     V: BytesDecode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     K: BytesEncode + BytesDecode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 79 |     K: BytesEncode<'t> + BytesDecode,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |     K: BytesEncode + BytesDecode,
[INFO] [stdout]    |                      ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 79 |     K: BytesEncode + BytesDecode<'t>,
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/lib.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     V: BytesDecode,
[INFO] [stdout]    |        ^^^^^^^^^^^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] help: consider using the `'t` lifetime
[INFO] [stdout]    |
[INFO] [stdout] 80 |     V: BytesDecode<'t>,
[INFO] [stdout]    |                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/lib.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn serialized_size(item: &'a Self::EItem) -> Option<usize> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/lib.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn serialized_size(item: &'a Self::EItem) -> Option<usize> {
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         item: &'a Self::EItem,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         output: &mut [u8],
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         item: &'a Self::EItem,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         output: &mut [u8],
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/lib.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn put<'t, K, V>(txn: &'t Txn, key: K, value: V) -> Result<(), Error>
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn put<'t, K, V>(txn: &'t Txn, key: K, value: V) -> Result<(), Error>
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/lib.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn put<'t, K, V>(txn: &'t Txn, key: K, value: V) -> Result<(), Error>
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn put<'t, K, V>(txn: &'t Txn, key: K, value: V) -> Result<(), Error>
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn put<'t, K, V>(txn: &'t Txn, key: K, value: V) -> Result<(), Error>
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/lib.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn put<'t, K, V>(txn: &'t Txn, key: K, value: V) -> Result<(), Error>
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/lib.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn get<'t, K, V>(txn: &'t Txn, key: K) -> Result<V, Error>
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn get<'t, K, V>(txn: &'t Txn, key: K) -> Result<V, Error>
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/lib.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn get<'t, K, V>(txn: &'t Txn, key: K) -> Result<V, Error>
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/lib.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn get_range<'t, R, K, V>(txn: &'t Txn, range: K) -> Result<RangeIterator<'t, (K, V)>, Error>
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn get<'t, K, V>(txn: &'t Txn, key: K) -> Result<V, Error>
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/lib.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn get_range<'t, R, K, V>(txn: &'t Txn, range: K) -> Result<RangeIterator<'t, (K, V)>, Error>
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]   --> src/lib.rs:76:41
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn get_range<'t, R, K, V>(txn: &'t Txn, range: K) -> Result<RangeIterator<'t, (K, V)>, Error>
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/lib.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let txn = Txn;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `range`
[INFO] [stdout]   --> src/lib.rs:76:41
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn get_range<'t, R, K, V>(txn: &'t Txn, range: K) -> Result<RangeIterator<'t, (K, V)>, Error>
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `txn`
[INFO] [stdout]   --> src/lib.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     let txn = Txn;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_txn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `poc-heed-codec` (lib test) due to 7 previous errors; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `poc-heed-codec` (lib) due to 7 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5b2a0d9c012342c85b827151cbed07261caac601e1ded14a5c00bc7affbb2fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2a0d9c012342c85b827151cbed07261caac601e1ded14a5c00bc7affbb2fa8", kill_on_drop: false }`
[INFO] [stdout] 5b2a0d9c012342c85b827151cbed07261caac601e1ded14a5c00bc7affbb2fa8