[INFO] cloning repository https://github.com/drbh/hotpot-db [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drbh/hotpot-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbh%2Fhotpot-db", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbh%2Fhotpot-db'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7913fb081effb540524ea3321097ca93a5f6fc4 [INFO] testing drbh/hotpot-db against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrbh%2Fhotpot-db" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/drbh/hotpot-db on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/drbh/hotpot-db [INFO] finished tweaking git repo https://github.com/drbh/hotpot-db [INFO] tweaked toml for git repo https://github.com/drbh/hotpot-db written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/drbh/hotpot-db already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1450b39cb2a64bec6af2632f8f895c7796e3a8f5b58368f9bb5b8a822191e81 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c1450b39cb2a64bec6af2632f8f895c7796e3a8f5b58368f9bb5b8a822191e81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1450b39cb2a64bec6af2632f8f895c7796e3a8f5b58368f9bb5b8a822191e81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1450b39cb2a64bec6af2632f8f895c7796e3a8f5b58368f9bb5b8a822191e81", kill_on_drop: false }` [INFO] [stdout] c1450b39cb2a64bec6af2632f8f895c7796e3a8f5b58368f9bb5b8a822191e81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93561055bace7b723d54bf0b5be7994f2631da1b0f973eea66023f4f9b826580 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "93561055bace7b723d54bf0b5be7994f2631da1b0f973eea66023f4f9b826580", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling libsqlite3-sys v0.17.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling serde_json v1.0.47 [INFO] [stderr] Compiling rusqlite v0.21.0 [INFO] [stderr] Compiling hotpot-db v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `results` is never read [INFO] [stdout] --> src/lib.rs:226:17 [INFO] [stdout] | [INFO] [stdout] 226 | let mut results = Vec::new(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:162:20 [INFO] [stdout] | [INFO] [stdout] 162 | panic!(format!("The path {:?} does not exist!", path)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 162 | panic!("The path {:?} does not exist!", path) [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | self.conn.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | / &self [INFO] [stdout] 202 | | .conn [INFO] [stdout] 203 | | .execute( [INFO] [stdout] 204 | | &format!( [INFO] [stdout] ... | [INFO] [stdout] 214 | | ) [INFO] [stdout] 215 | | .map_err(|_| Error::General); [INFO] [stdout] | |________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | / &self.collections.insert( [INFO] [stdout] 217 | | String::from(name), [INFO] [stdout] 218 | | Collection { [INFO] [stdout] 219 | | name: String::from(name), [INFO] [stdout] 220 | | }, [INFO] [stdout] 221 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.23s [INFO] running `Command { std: "docker" "inspect" "93561055bace7b723d54bf0b5be7994f2631da1b0f973eea66023f4f9b826580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93561055bace7b723d54bf0b5be7994f2631da1b0f973eea66023f4f9b826580", kill_on_drop: false }` [INFO] [stdout] 93561055bace7b723d54bf0b5be7994f2631da1b0f973eea66023f4f9b826580 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ca366bd082726b6d4db90ac1922fcd7f5e523dcc21f1d96894b8e711da382cf6 [INFO] running `Command { std: "docker" "start" "-a" "ca366bd082726b6d4db90ac1922fcd7f5e523dcc21f1d96894b8e711da382cf6", kill_on_drop: false }` [INFO] [stderr] Compiling hotpot-db v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `results` is never read [INFO] [stdout] --> src/lib.rs:226:17 [INFO] [stdout] | [INFO] [stdout] 226 | let mut results = Vec::new(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:162:20 [INFO] [stdout] | [INFO] [stdout] 162 | panic!(format!("The path {:?} does not exist!", path)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 162 | panic!("The path {:?} does not exist!", path) [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | self.conn.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | / &self [INFO] [stdout] 202 | | .conn [INFO] [stdout] 203 | | .execute( [INFO] [stdout] 204 | | &format!( [INFO] [stdout] ... | [INFO] [stdout] 214 | | ) [INFO] [stdout] 215 | | .map_err(|_| Error::General); [INFO] [stdout] | |________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | / &self.collections.insert( [INFO] [stdout] 217 | | String::from(name), [INFO] [stdout] 218 | | Collection { [INFO] [stdout] 219 | | name: String::from(name), [INFO] [stdout] 220 | | }, [INFO] [stdout] 221 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `results` is never read [INFO] [stdout] --> src/lib.rs:226:17 [INFO] [stdout] | [INFO] [stdout] 226 | let mut results = Vec::new(); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:162:20 [INFO] [stdout] | [INFO] [stdout] 162 | panic!(format!("The path {:?} does not exist!", path)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 162 | panic!("The path {:?} does not exist!", path) [INFO] [stdout] | -- -- [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:185:9 [INFO] [stdout] | [INFO] [stdout] 185 | self.conn.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:201:9 [INFO] [stdout] | [INFO] [stdout] 201 | / &self [INFO] [stdout] 202 | | .conn [INFO] [stdout] 203 | | .execute( [INFO] [stdout] 204 | | &format!( [INFO] [stdout] ... | [INFO] [stdout] 214 | | ) [INFO] [stdout] 215 | | .map_err(|_| Error::General); [INFO] [stdout] | |________________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:216:9 [INFO] [stdout] | [INFO] [stdout] 216 | / &self.collections.insert( [INFO] [stdout] 217 | | String::from(name), [INFO] [stdout] 218 | | Collection { [INFO] [stdout] 219 | | name: String::from(name), [INFO] [stdout] 220 | | }, [INFO] [stdout] 221 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.79s [INFO] running `Command { std: "docker" "inspect" "ca366bd082726b6d4db90ac1922fcd7f5e523dcc21f1d96894b8e711da382cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca366bd082726b6d4db90ac1922fcd7f5e523dcc21f1d96894b8e711da382cf6", kill_on_drop: false }` [INFO] [stdout] ca366bd082726b6d4db90ac1922fcd7f5e523dcc21f1d96894b8e711da382cf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c956bbb92a9031cde767895f3bd4f69700f80c80dbe7f874b5d03aadb2585c9c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c956bbb92a9031cde767895f3bd4f69700f80c80dbe7f874b5d03aadb2585c9c", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: value assigned to `results` is never read [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/lib.rs:226:17 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 226 | let mut results = Vec::new(); [INFO] [stdout] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:162:20 [INFO] [stderr] | [INFO] [stderr] 162 | panic!(format!("The path {:?} does not exist!", path)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 162 | panic!("The path {:?} does not exist!", path) [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | self.conn.close(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:201:9 [INFO] [stderr] | [INFO] [stderr] 201 | / &self [INFO] [stderr] 202 | | .conn [INFO] [stderr] 203 | | .execute( [INFO] [stderr] 204 | | &format!( [INFO] [stderr] ... | [INFO] [stderr] 214 | | ) [INFO] [stderr] 215 | | .map_err(|_| Error::General); [INFO] [stderr] | |________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:216:9 [INFO] [stderr] | [INFO] [stderr] 216 | / &self.collections.insert( [INFO] [stderr] 217 | | String::from(name), [INFO] [stderr] 218 | | Collection { [INFO] [stderr] 219 | | name: String::from(name), [INFO] [stderr] 220 | | }, [INFO] [stderr] 221 | | ); [INFO] [stderr] | |_________^ [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: value assigned to `results` is never read [INFO] [stderr] --> src/lib.rs:226:17 [INFO] [stderr] | [INFO] [stderr] 226 | let mut results = Vec::new(); [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:162:20 [INFO] [stderr] | [INFO] [stderr] 162 | panic!(format!("The path {:?} does not exist!", path)) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 162 | panic!("The path {:?} does not exist!", path) [INFO] [stderr] | -- -- [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | self.conn.close(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:201:9 [INFO] [stderr] | [INFO] [stderr] 201 | / &self [INFO] [stderr] 202 | | .conn [INFO] [stderr] 203 | | .execute( [INFO] [stderr] 204 | | &format!( [INFO] [stderr] ... | [INFO] [stderr] 214 | | ) [INFO] [stderr] 215 | | .map_err(|_| Error::General); [INFO] [stderr] | |________________________________________^ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib.rs:216:9 [INFO] [stderr] | [INFO] [stderr] 216 | / &self.collections.insert( [INFO] [stderr] 217 | | String::from(name), [INFO] [stderr] 218 | | Collection { [INFO] [stderr] 219 | | name: String::from(name), [INFO] [stderr] 220 | | }, [INFO] [stderr] 221 | | ); [INFO] [stderr] | |_________^ [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hotpot_db-43bf580eb2decb34) [INFO] [stderr] Doc-tests hotpot-db [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c956bbb92a9031cde767895f3bd4f69700f80c80dbe7f874b5d03aadb2585c9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c956bbb92a9031cde767895f3bd4f69700f80c80dbe7f874b5d03aadb2585c9c", kill_on_drop: false }` [INFO] [stdout] c956bbb92a9031cde767895f3bd4f69700f80c80dbe7f874b5d03aadb2585c9c