[INFO] cloning repository https://github.com/devsquared/PacaDB [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devsquared/PacaDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevsquared%2FPacaDB", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevsquared%2FPacaDB'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 888f8f89be1ded7dad97faf1cb8bb2979de7a4f9 [INFO] checking devsquared/PacaDB against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevsquared%2FPacaDB" "/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/devsquared/PacaDB on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/devsquared/PacaDB [INFO] finished tweaking git repo https://github.com/devsquared/PacaDB [INFO] tweaked toml for git repo https://github.com/devsquared/PacaDB written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/devsquared/PacaDB 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rstest_macros v0.18.2 [INFO] [stderr] Downloaded rstest v0.18.2 [INFO] [stderr] Downloaded relative-path v1.9.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.71 [INFO] [stderr] Downloaded syn v2.0.42 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f04cec766ed8759cb6a95be4a202523c090b6d76458339992179020b7fed71b [INFO] running `Command { std: "docker" "start" "-a" "5f04cec766ed8759cb6a95be4a202523c090b6d76458339992179020b7fed71b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f04cec766ed8759cb6a95be4a202523c090b6d76458339992179020b7fed71b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f04cec766ed8759cb6a95be4a202523c090b6d76458339992179020b7fed71b", kill_on_drop: false }` [INFO] [stdout] 5f04cec766ed8759cb6a95be4a202523c090b6d76458339992179020b7fed71b [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf5891b4b4f2e430be3c9880a9b0a77ccce0cd6bd8fc6b025e0e1fa288f031b1 [INFO] running `Command { std: "docker" "start" "-a" "cf5891b4b4f2e430be3c9880a9b0a77ccce0cd6bd8fc6b025e0e1fa288f031b1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.71 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling relative-path v1.9.0 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling rstest_macros v0.18.2 [INFO] [stderr] Compiling syn v2.0.42 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stderr] Checking futures-executor v0.3.29 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking rstest v0.18.2 [INFO] [stderr] Checking paca-db v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/database.rs:40:23 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn get(&self, key: &[u8]) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/database.rs:50:27 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn set(&mut self, key: &[u8], value: &[u8]) -> bool { [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/database.rs:50:39 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn set(&mut self, key: &[u8], value: &[u8]) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/database.rs:58:30 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn delete(&mut self, key: &[u8]) -> bool { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high_key` [INFO] [stdout] --> src/database.rs:66:24 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn scan(&self, high_key: &[u8], low_key: &[u8]) -> RecordIterator { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low_key` [INFO] [stdout] --> src/database.rs:66:41 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn scan(&self, high_key: &[u8], low_key: &[u8]) -> RecordIterator { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DatabaseEntry` is never constructed [INFO] [stdout] --> src/database.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct DatabaseEntry { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DatabaseEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `key`, `value`, and `timestamp` are never used [INFO] [stdout] --> src/database.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl DatabaseEntry { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] 12 | pub fn key(&self) -> &[u8] { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn value(&self) -> &[u8] { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn timestamp(&self) -> u128 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RecordIterator` is never constructed [INFO] [stdout] --> src/database.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct RecordIterator {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RecordIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Database` is never constructed [INFO] [stdout] --> src/database.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Database { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Database` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get`, `set`, `delete`, and `scan` are never used [INFO] [stdout] --> src/database.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl Database { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn get(&self, key: &[u8]) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn set(&mut self, key: &[u8], value: &[u8]) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn delete(&mut self, key: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn scan(&self, high_key: &[u8], low_key: &[u8]) -> RecordIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MemTableEntry` is never constructed [INFO] [stdout] --> src/memtable.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct MemTableEntry { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MemTable` is never constructed [INFO] [stdout] --> src/memtable.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub struct MemTable { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/memtable.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 33 | impl MemTable { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 34 | /// Creates a new empty MemTable. [INFO] [stdout] 35 | pub fn new() -> MemTable { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn get_index(&self, key: &[u8]) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn set(&mut self, key: &[u8], value: &[u8], timestamp: u128) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn delete(&mut self, key: &[u8], timestamp: u128) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | pub fn get(&self, key: &[u8]) -> Option<&MemTableEntry> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 124 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | pub fn entries(&self) -> &[MemTableEntry] { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `key`, `value`, `timestamp`, and `deleted` are never read [INFO] [stdout] --> src/wal.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 47 | pub struct WALEntry { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 48 | pub key: Vec, [INFO] [stdout] | ^^^ [INFO] [stdout] 49 | pub value: Option>, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 50 | pub timestamp: u128, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 51 | pub deleted: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file` is never read [INFO] [stdout] --> src/wal.rs:149:5 [INFO] [stdout] | [INFO] [stdout] 147 | pub struct WAL { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 148 | path: PathBuf, [INFO] [stdout] 149 | file: BufWriter, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `from_path`, `load_from_dir_and_recover_mem`, `set`, `delete`, and `flush` are never used [INFO] [stdout] --> src/wal.rs:155:12 [INFO] [stdout] | [INFO] [stdout] 152 | impl WAL { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 155 | pub fn new(dir: &Path) -> io::Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 169 | pub fn from_path(path: &Path) -> io::Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 183 | pub fn load_from_dir_and_recover_mem(dir: &Path) -> io::Result<(WAL, MemTable)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | pub fn set(&mut self, key: &[u8], value: &[u8], timestamp: u128) -> io::Result<()> { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 234 | pub fn delete(&mut self, key: &[u8], timestamp: u128) -> io::Result<()> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 247 | pub fn flush(&mut self) -> io::Result<()> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `files_with_ext` is never used [INFO] [stdout] --> src/wal.rs:263:4 [INFO] [stdout] | [INFO] [stdout] 263 | fn files_with_ext(dir: &Path, ext: &str) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/database.rs:40:23 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn get(&self, key: &[u8]) -> Option { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/database.rs:50:27 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn set(&mut self, key: &[u8], value: &[u8]) -> bool { [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/database.rs:50:39 [INFO] [stdout] | [INFO] [stdout] 50 | pub fn set(&mut self, key: &[u8], value: &[u8]) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/database.rs:58:30 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn delete(&mut self, key: &[u8]) -> bool { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `high_key` [INFO] [stdout] --> src/database.rs:66:24 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn scan(&self, high_key: &[u8], low_key: &[u8]) -> RecordIterator { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_high_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `low_key` [INFO] [stdout] --> src/database.rs:66:41 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn scan(&self, high_key: &[u8], low_key: &[u8]) -> RecordIterator { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DatabaseEntry` is never constructed [INFO] [stdout] --> src/database.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct DatabaseEntry { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `DatabaseEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `key`, `value`, and `timestamp` are never used [INFO] [stdout] --> src/database.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl DatabaseEntry { [INFO] [stdout] | ------------------ methods in this implementation [INFO] [stdout] 12 | pub fn key(&self) -> &[u8] { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn value(&self) -> &[u8] { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn timestamp(&self) -> u128 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RecordIterator` is never constructed [INFO] [stdout] --> src/database.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct RecordIterator {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RecordIterator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Database` is never constructed [INFO] [stdout] --> src/database.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct Database { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Database` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get`, `set`, `delete`, and `scan` are never used [INFO] [stdout] --> src/database.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl Database { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 40 | pub fn get(&self, key: &[u8]) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn set(&mut self, key: &[u8], value: &[u8]) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn delete(&mut self, key: &[u8]) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn scan(&self, high_key: &[u8], low_key: &[u8]) -> RecordIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `entries` and `size` are never used [INFO] [stdout] --> src/memtable.rs:129:12 [INFO] [stdout] | [INFO] [stdout] 33 | impl MemTable { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 129 | pub fn entries(&self) -> &[MemTableEntry] { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.61s [INFO] running `Command { std: "docker" "inspect" "cf5891b4b4f2e430be3c9880a9b0a77ccce0cd6bd8fc6b025e0e1fa288f031b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf5891b4b4f2e430be3c9880a9b0a77ccce0cd6bd8fc6b025e0e1fa288f031b1", kill_on_drop: false }` [INFO] [stdout] cf5891b4b4f2e430be3c9880a9b0a77ccce0cd6bd8fc6b025e0e1fa288f031b1 [INFO] checking devsquared/PacaDB against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevsquared%2FPacaDB" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/devsquared/PacaDB on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/devsquared/PacaDB [INFO] finished tweaking git repo https://github.com/devsquared/PacaDB [INFO] tweaked toml for git repo https://github.com/devsquared/PacaDB written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/devsquared/PacaDB 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc895c1523e0ce2f47d33ba15d8d89074f1529e0b8c8899534e9ee743bc6c82b [INFO] running `Command { std: "docker" "start" "-a" "cc895c1523e0ce2f47d33ba15d8d89074f1529e0b8c8899534e9ee743bc6c82b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc895c1523e0ce2f47d33ba15d8d89074f1529e0b8c8899534e9ee743bc6c82b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc895c1523e0ce2f47d33ba15d8d89074f1529e0b8c8899534e9ee743bc6c82b", kill_on_drop: false }` [INFO] [stdout] cc895c1523e0ce2f47d33ba15d8d89074f1529e0b8c8899534e9ee743bc6c82b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abd158655cc387c2f95c93db211b199c418c1234a6f209d1c5231cadc2bf08f1 [INFO] running `Command { std: "docker" "start" "-a" "abd158655cc387c2f95c93db211b199c418c1234a6f209d1c5231cadc2bf08f1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.71 [INFO] [stderr] Compiling semver v1.0.20 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Compiling relative-path v1.9.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Checking futures-timer v3.0.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling rstest_macros v0.18.2 [INFO] [stderr] Compiling syn v2.0.42 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling futures-macro v0.3.29 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rstest_macros-0.18.2/src/parse/rstest/files.rs:342:13 [INFO] [stdout] | [INFO] [stdout] 342 | Err(refs.glob[0].error("No file found"))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 342 | Err::(refs.glob[0].error("No file found"))?; [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rstest_macros` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "abd158655cc387c2f95c93db211b199c418c1234a6f209d1c5231cadc2bf08f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abd158655cc387c2f95c93db211b199c418c1234a6f209d1c5231cadc2bf08f1", kill_on_drop: false }` [INFO] [stdout] abd158655cc387c2f95c93db211b199c418c1234a6f209d1c5231cadc2bf08f1