[INFO] fetching crate ligature-sqlite 0.1.0...
[INFO] checking ligature-sqlite-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ligature-sqlite 0.1.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate ligature-sqlite 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ligature-sqlite 0.1.0
[INFO] finished tweaking crates.io crate ligature-sqlite 0.1.0
[INFO] tweaked toml for crates.io crate ligature-sqlite 0.1.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7417d1def93625506e265c1eb3b64c798fbc199bd6188ee7eb091c4721e493b8
[INFO] running `Command { std: "docker" "start" "-a" "7417d1def93625506e265c1eb3b64c798fbc199bd6188ee7eb091c4721e493b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7417d1def93625506e265c1eb3b64c798fbc199bd6188ee7eb091c4721e493b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7417d1def93625506e265c1eb3b64c798fbc199bd6188ee7eb091c4721e493b8", kill_on_drop: false }`
[INFO] [stdout] 7417d1def93625506e265c1eb3b64c798fbc199bd6188ee7eb091c4721e493b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0bf1eacbac8178425bc11694add78e38ebf6be98e990490ba9f93de7812511f
[INFO] running `Command { std: "docker" "start" "-a" "f0bf1eacbac8178425bc11694add78e38ebf6be98e990490ba9f93de7812511f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]     Checking rusqlite v0.25.3
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking ligature v0.5.0
[INFO] [stderr]     Checking ligature-sqlite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn create_or_open_file(path: String) -> LigatureSQLite {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn dataset_exists(&self, dataset: &Dataset) -> Result<bool, LigatureError> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]   --> src/lib.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn match_datasets_prefix(&self, prefix: &str) -> Box<dyn Iterator<Item=Result<Dataset, LigatureError>>> {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/lib.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn match_datasets_range(&self, start: &str, end: &str) -> Box<dyn Iterator<Item=Result<Dataset, LigatureError>>> {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/lib.rs:40:49
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn match_datasets_range(&self, start: &str, end: &str) -> Box<dyn Iterator<Item=Result<Dataset, LigatureError>>> {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn create_dataset(&self, dataset: &Dataset) -> Result<(), LigatureError> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn delete_dataset(&self, dataset: &Dataset) -> Result<(), LigatureError> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn query<T>(&self, dataset: &Dataset, f: QueryFn<T>) -> Result<T, LigatureError> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn query<T>(&self, dataset: &Dataset, f: QueryFn<T>) -> Result<T, LigatureError> {
[INFO] [stdout]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn write<T>(&self, dataset: &Dataset, f: WriteFn<T>) -> Result<T, LigatureError> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:56:43
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn write<T>(&self, dataset: &Dataset, f: WriteFn<T>) -> Result<T, LigatureError> {
[INFO] [stdout]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_or_open_file`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn create_or_open_file(path: String) -> LigatureSQLite {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_memory_store`
[INFO] [stdout]   --> src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new_memory_store() -> LigatureSQLite {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:18:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn create_or_open_file(path: String) -> LigatureSQLite {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn dataset_exists(&self, dataset: &Dataset) -> Result<bool, LigatureError> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]   --> src/lib.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn match_datasets_prefix(&self, prefix: &str) -> Box<dyn Iterator<Item=Result<Dataset, LigatureError>>> {
[INFO] [stdout]    |                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/lib.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn match_datasets_range(&self, start: &str, end: &str) -> Box<dyn Iterator<Item=Result<Dataset, LigatureError>>> {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]   --> src/lib.rs:40:49
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn match_datasets_range(&self, start: &str, end: &str) -> Box<dyn Iterator<Item=Result<Dataset, LigatureError>>> {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:44:30
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn create_dataset(&self, dataset: &Dataset) -> Result<(), LigatureError> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn delete_dataset(&self, dataset: &Dataset) -> Result<(), LigatureError> {
[INFO] [stdout]    |                              ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn query<T>(&self, dataset: &Dataset, f: QueryFn<T>) -> Result<T, LigatureError> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn query<T>(&self, dataset: &Dataset, f: QueryFn<T>) -> Result<T, LigatureError> {
[INFO] [stdout]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dataset`
[INFO] [stdout]   --> src/lib.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn write<T>(&self, dataset: &Dataset, f: WriteFn<T>) -> Result<T, LigatureError> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dataset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:56:43
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn write<T>(&self, dataset: &Dataset, f: WriteFn<T>) -> Result<T, LigatureError> {
[INFO] [stdout]    |                                           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_or_open_file`
[INFO] [stdout]   --> src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn create_or_open_file(path: String) -> LigatureSQLite {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_memory_store`
[INFO] [stdout]   --> src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn new_memory_store() -> LigatureSQLite {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.10s
[INFO] running `Command { std: "docker" "inspect" "f0bf1eacbac8178425bc11694add78e38ebf6be98e990490ba9f93de7812511f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bf1eacbac8178425bc11694add78e38ebf6be98e990490ba9f93de7812511f", kill_on_drop: false }`
[INFO] [stdout] f0bf1eacbac8178425bc11694add78e38ebf6be98e990490ba9f93de7812511f
