[INFO] fetching crate bitcoinleveldb-slice 0.1.16-alpha.0... [INFO] checking bitcoinleveldb-slice-0.1.16-alpha.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate bitcoinleveldb-slice 0.1.16-alpha.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate bitcoinleveldb-slice 0.1.16-alpha.0 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 crates.io crate bitcoinleveldb-slice 0.1.16-alpha.0 [INFO] finished tweaking crates.io crate bitcoinleveldb-slice 0.1.16-alpha.0 [INFO] tweaked toml for crates.io crate bitcoinleveldb-slice 0.1.16-alpha.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 221 packages [INFO] [stderr] Adding ahash v0.7.8 (latest: v0.8.11) [INFO] [stderr] Adding atomic v0.5.3 (latest: v0.6.0) [INFO] [stderr] Adding bindgen v0.60.1 (latest: v0.69.4) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg_aliases v0.1.1 (latest: v0.2.0) [INFO] [stderr] Adding clap v3.2.25 (latest: v4.5.4) [INFO] [stderr] Adding clap_lex v0.2.4 (latest: v0.7.0) [INFO] [stderr] Adding delegate v0.7.0 (latest: v0.12.0) [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.3) [INFO] [stderr] Adding env_logger v0.9.3 (latest: v0.11.3) [INFO] [stderr] Adding errno v0.2.8 (latest: v0.3.8) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding indoc v1.0.9 (latest: v2.0.5) [INFO] [stderr] Adding integer-encoding v3.0.4 (latest: v4.0.0) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding memoffset v0.6.5 (latest: v0.9.1) [INFO] [stderr] Adding multimap v0.8.3 (latest: v0.10.0) [INFO] [stderr] Adding nix v0.24.3 (latest: v0.28.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding os_str_bytes v6.6.1 (latest: v7.0.0) [INFO] [stderr] Adding pathdiff v0.1.0 (latest: v0.2.1) [INFO] [stderr] Adding peeking_take_while v0.1.2 (latest: v1.0.0) [INFO] [stderr] Adding phf v0.10.1 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_macros v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.10.0 (latest: v0.11.2) [INFO] [stderr] Adding pnet_sys v0.31.0 (latest: v0.34.0) [INFO] [stderr] Adding priority-queue v1.4.0 (latest: v2.0.2) [INFO] [stderr] Adding quanta v0.9.3 (latest: v0.12.3) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding raw-cpuid v10.7.0 (latest: v11.0.1) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding serde-big-array v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding shell-words v0.1.0 (latest: v1.1.0) [INFO] [stderr] Adding siphasher v0.3.11 (latest: v1.0.1) [INFO] [stderr] Adding socket2 v0.4.10 (latest: v0.5.6) [INFO] [stderr] Adding sqlite v0.25.3 (latest: v0.34.0) [INFO] [stderr] Adding sqlite3-src v0.2.12 (latest: v0.6.0) [INFO] [stderr] Adding sqlite3-sys v0.12.0 (latest: v0.16.0) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding term v0.4.6 (latest: v0.7.0) [INFO] [stderr] Adding term-painter v0.2.4 (latest: v0.4.0) [INFO] [stderr] Adding toml v0.4.10 (latest: v0.8.12) [INFO] [stderr] Adding wasi v0.10.2+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.1) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 053851c0d9d2957b6f8ed0c4b97e488922fab24e0098f4c576861e9efef366c1 [INFO] running `Command { std: "docker" "start" "-a" "053851c0d9d2957b6f8ed0c4b97e488922fab24e0098f4c576861e9efef366c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "053851c0d9d2957b6f8ed0c4b97e488922fab24e0098f4c576861e9efef366c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "053851c0d9d2957b6f8ed0c4b97e488922fab24e0098f4c576861e9efef366c1", kill_on_drop: false }` [INFO] [stdout] 053851c0d9d2957b6f8ed0c4b97e488922fab24e0098f4c576861e9efef366c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 76260457fb3a17aacc4e5f0587fba8f7b2c74d41a86e43f96a130596701870cd [INFO] running `Command { std: "docker" "start" "-a" "76260457fb3a17aacc4e5f0587fba8f7b2c74d41a86e43f96a130596701870cd", kill_on_drop: false }` [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling qt_macros v0.1.1 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling qmetaobject_impl v0.2.10 [INFO] [stderr] Compiling phf_macros v0.10.0 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling try-catch v0.2.2 [INFO] [stderr] Compiling delegate v0.7.0 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling shared-mutex v0.3.1 [INFO] [stderr] Compiling quanta v0.9.3 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling crossbeam v0.8.4 [INFO] [stderr] Compiling nix v0.24.3 [INFO] [stderr] Compiling sqlite v0.25.3 [INFO] [stderr] Compiling sqlite3 v0.24.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Compiling num v0.4.1 [INFO] [stderr] Compiling libc-stdhandle v0.1.0 [INFO] [stderr] Compiling priority-queue v1.4.0 [INFO] [stderr] Checking num-traits v0.2.18 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling bindgen v0.60.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling pnet_sys v0.31.0 [INFO] [stderr] Compiling socket2 v0.4.10 [INFO] [stderr] Compiling integer-encoding v3.0.4 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling time-point v0.1.1 [INFO] [stderr] Compiling multiset v0.0.5 [INFO] [stderr] Compiling atomic_float v0.1.0 [INFO] [stderr] Compiling atomic-take v1.1.0 [INFO] [stderr] Compiling comparator v0.3.0 [INFO] [stderr] Compiling bitset v0.1.2 [INFO] [stderr] Compiling atomic v0.5.3 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling const-default v1.0.0 [INFO] [stderr] Compiling float-ord v0.3.2 [INFO] [stderr] Checking ahash v0.7.8 [INFO] [stderr] Checking sqlite3-src v0.2.12 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking openssl-sys v0.9.102 [INFO] [stderr] Checking cpp_core v0.6.0 [INFO] [stderr] Checking sqlite3-sys v0.12.0 [INFO] [stderr] Checking siphasher v0.3.11 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Compiling phf v0.10.1 [INFO] [stderr] Compiling modular-bitfield v0.11.2 [INFO] [stderr] Checking phf_shared v0.10.0 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking num-bigint v0.4.4 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking raw-cpuid v10.7.0 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking poison v0.1.0 [INFO] [stderr] Checking indexmap v1.9.3 [INFO] [stderr] Compiling cpp_common v0.5.9 [INFO] [stderr] Compiling cpp_build v0.5.9 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling cpp_macros v0.5.9 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling qttypes v0.2.11 [INFO] [stderr] Compiling qmetaobject v0.2.10 [INFO] [stderr] Compiling libevent-sys v0.2.6 [INFO] [stderr] Compiling cpp v0.5.9 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling libevent v0.1.0 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking multimap v0.8.3 [INFO] [stderr] Checking serde-big-array v0.4.1 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Compiling ritual_common v0.4.0 [INFO] [stderr] Compiling ritual_build v0.4.0 [INFO] [stderr] Compiling qt_ritual_common v0.4.0 [INFO] [stderr] Compiling qt_ritual_build v0.5.0 [INFO] [stderr] Compiling qt_core v0.5.0 [INFO] [stderr] Compiling qt_gui v0.5.0 [INFO] [stderr] Checking bitcoin-imports v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoin-cfg v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoin-derive v0.1.16-alpha.0 [INFO] [stderr] Compiling bitcoinleveldb-slice v0.1.16-alpha.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bitcoin_derive::*` [INFO] [stdout] --> src/imports.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use bitcoin_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitcoin_derive::*` [INFO] [stdout] --> src/imports.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use bitcoin_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/slice.rs:48:31 [INFO] [stdout] | [INFO] [stdout] 48 | #[inline] fn index(&self, n: usize) -> &Self::Output { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/slice.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | fn eq(&self, other: &Slice) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/slice.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | fn from(s: &String) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/slice.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | fn from(s: *const u8) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/slice.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | d: *const u8, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/slice.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | n: usize) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/slice.rs:183:37 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn remove_prefix(&mut self, n: usize) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/slice.rs:210:31 [INFO] [stdout] | [INFO] [stdout] 210 | pub fn starts_with(&self, x: &Slice) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/slice.rs:224:37 [INFO] [stdout] | [INFO] [stdout] 224 | #[inline] pub fn compare(&self, b: &Slice) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `data` and `size` are never read [INFO] [stdout] --> src/slice.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Slice { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 19 | data: *const u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] 20 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/slice.rs:48:31 [INFO] [stdout] | [INFO] [stdout] 48 | #[inline] fn index(&self, n: usize) -> &Self::Output { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/slice.rs:59:18 [INFO] [stdout] | [INFO] [stdout] 59 | fn eq(&self, other: &Slice) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/slice.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | fn from(s: &String) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/slice.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | fn from(s: *const u8) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/slice.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | d: *const u8, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/slice.rs:115:9 [INFO] [stdout] | [INFO] [stdout] 115 | n: usize) -> Self { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/slice.rs:183:37 [INFO] [stdout] | [INFO] [stdout] 183 | pub fn remove_prefix(&mut self, n: usize) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/slice.rs:210:31 [INFO] [stdout] | [INFO] [stdout] 210 | pub fn starts_with(&self, x: &Slice) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/slice.rs:224:37 [INFO] [stdout] | [INFO] [stdout] 224 | #[inline] pub fn compare(&self, b: &Slice) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `data` and `size` are never read [INFO] [stdout] --> src/slice.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct Slice { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 19 | data: *const u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] 20 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.58s [INFO] running `Command { std: "docker" "inspect" "76260457fb3a17aacc4e5f0587fba8f7b2c74d41a86e43f96a130596701870cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76260457fb3a17aacc4e5f0587fba8f7b2c74d41a86e43f96a130596701870cd", kill_on_drop: false }` [INFO] [stdout] 76260457fb3a17aacc4e5f0587fba8f7b2c74d41a86e43f96a130596701870cd