[INFO] cloning repository https://github.com/LarryHsiao/carpo_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LarryHsiao/carpo_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarryHsiao%2Fcarpo_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarryHsiao%2Fcarpo_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 887a30f7dce0187ebdfd1d940fc4496da864fcc6
[INFO] testing LarryHsiao/carpo_rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLarryHsiao%2Fcarpo_rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LarryHsiao/carpo_rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LarryHsiao/carpo_rs
[INFO] finished tweaking git repo https://github.com/LarryHsiao/carpo_rs
[INFO] tweaked toml for git repo https://github.com/LarryHsiao/carpo_rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/LarryHsiao/carpo_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded structopt v0.3.3
[INFO] [stderr]   Downloaded sciter-rs v0.5.46
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[INFO] [stderr]   Downloaded open v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 136f0f2a27f73312f00361c67ae84068aaa9db11a9db03fe3ddb6eb293a95550
[INFO] running `Command { std: "docker" "start" "-a" "136f0f2a27f73312f00361c67ae84068aaa9db11a9db03fe3ddb6eb293a95550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "136f0f2a27f73312f00361c67ae84068aaa9db11a9db03fe3ddb6eb293a95550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136f0f2a27f73312f00361c67ae84068aaa9db11a9db03fe3ddb6eb293a95550", kill_on_drop: false }`
[INFO] [stdout] 136f0f2a27f73312f00361c67ae84068aaa9db11a9db03fe3ddb6eb293a95550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e08ebd67ed40ffbeec1ed2a49f8e8308778c0e057d11a221ca50a3581730653
[INFO] running `Command { std: "docker" "start" "-a" "6e08ebd67ed40ffbeec1ed2a49f8e8308778c0e057d11a221ca50a3581730653", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling open v1.3.2
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling sciter-rs v0.5.46
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling structopt v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling rusqlite v0.20.0
[INFO] [stderr]    Compiling carpo v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         &self.conn.execute(
[INFO] [stdout] 30 | |             r#"
[INFO] [stdout] 31 | |             create table if not exists tags(
[INFO] [stdout] 32 | |                 id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |             NO_PARAMS,
[INFO] [stdout] 36 | |         )?;
[INFO] [stdout]    | |__________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         &self.conn.execute(
[INFO] [stdout] 39 | |             r#"
[INFO] [stdout] 40 | |                CREATE TABLE IF NOT EXISTS files(
[INFO] [stdout] 41 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |             NO_PARAMS,
[INFO] [stdout] 46 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         &self.conn.execute(
[INFO] [stdout] 49 | |             r#"
[INFO] [stdout] 50 | |                 CREATE TABLE IF NOT EXISTS files_tags(
[INFO] [stdout] 51 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             NO_PARAMS,
[INFO] [stdout] 58 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         &self.conn.execute(
[INFO] [stdout] 30 | |             r#"
[INFO] [stdout] 31 | |             create table if not exists tags(
[INFO] [stdout] 32 | |                 id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |             NO_PARAMS,
[INFO] [stdout] 36 | |         )?;
[INFO] [stdout]    | |__________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         &self.conn.execute(
[INFO] [stdout] 39 | |             r#"
[INFO] [stdout] 40 | |                CREATE TABLE IF NOT EXISTS files(
[INFO] [stdout] 41 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |             NO_PARAMS,
[INFO] [stdout] 46 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         &self.conn.execute(
[INFO] [stdout] 49 | |             r#"
[INFO] [stdout] 50 | |                 CREATE TABLE IF NOT EXISTS files_tags(
[INFO] [stdout] 51 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             NO_PARAMS,
[INFO] [stdout] 58 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.84s
[INFO] running `Command { std: "docker" "inspect" "6e08ebd67ed40ffbeec1ed2a49f8e8308778c0e057d11a221ca50a3581730653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e08ebd67ed40ffbeec1ed2a49f8e8308778c0e057d11a221ca50a3581730653", kill_on_drop: false }`
[INFO] [stdout] 6e08ebd67ed40ffbeec1ed2a49f8e8308778c0e057d11a221ca50a3581730653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2a885deda1b7f0ff35c4bcdd51a33afb92d48f9a66a4ed30bbad1e5429155b9
[INFO] running `Command { std: "docker" "start" "-a" "c2a885deda1b7f0ff35c4bcdd51a33afb92d48f9a66a4ed30bbad1e5429155b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling carpo v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         &self.conn.execute(
[INFO] [stdout] 30 | |             r#"
[INFO] [stdout] 31 | |             create table if not exists tags(
[INFO] [stdout] 32 | |                 id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |             NO_PARAMS,
[INFO] [stdout] 36 | |         )?;
[INFO] [stdout]    | |__________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         &self.conn.execute(
[INFO] [stdout] 39 | |             r#"
[INFO] [stdout] 40 | |                CREATE TABLE IF NOT EXISTS files(
[INFO] [stdout] 41 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |             NO_PARAMS,
[INFO] [stdout] 46 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         &self.conn.execute(
[INFO] [stdout] 49 | |             r#"
[INFO] [stdout] 50 | |                 CREATE TABLE IF NOT EXISTS files_tags(
[INFO] [stdout] 51 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             NO_PARAMS,
[INFO] [stdout] 58 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         &self.conn.execute(
[INFO] [stdout] 30 | |             r#"
[INFO] [stdout] 31 | |             create table if not exists tags(
[INFO] [stdout] 32 | |                 id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |             NO_PARAMS,
[INFO] [stdout] 36 | |         )?;
[INFO] [stdout]    | |__________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         &self.conn.execute(
[INFO] [stdout] 39 | |             r#"
[INFO] [stdout] 40 | |                CREATE TABLE IF NOT EXISTS files(
[INFO] [stdout] 41 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |             NO_PARAMS,
[INFO] [stdout] 46 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         &self.conn.execute(
[INFO] [stdout] 49 | |             r#"
[INFO] [stdout] 50 | |                 CREATE TABLE IF NOT EXISTS files_tags(
[INFO] [stdout] 51 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             NO_PARAMS,
[INFO] [stdout] 58 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         &self.conn.execute(
[INFO] [stdout] 30 | |             r#"
[INFO] [stdout] 31 | |             create table if not exists tags(
[INFO] [stdout] 32 | |                 id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |             NO_PARAMS,
[INFO] [stdout] 36 | |         )?;
[INFO] [stdout]    | |__________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         &self.conn.execute(
[INFO] [stdout] 39 | |             r#"
[INFO] [stdout] 40 | |                CREATE TABLE IF NOT EXISTS files(
[INFO] [stdout] 41 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |             NO_PARAMS,
[INFO] [stdout] 46 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         &self.conn.execute(
[INFO] [stdout] 49 | |             r#"
[INFO] [stdout] 50 | |                 CREATE TABLE IF NOT EXISTS files_tags(
[INFO] [stdout] 51 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             NO_PARAMS,
[INFO] [stdout] 58 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | /         &self.conn.execute(
[INFO] [stdout] 30 | |             r#"
[INFO] [stdout] 31 | |             create table if not exists tags(
[INFO] [stdout] 32 | |                 id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |             NO_PARAMS,
[INFO] [stdout] 36 | |         )?;
[INFO] [stdout]    | |__________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         &self.conn.execute(
[INFO] [stdout] 39 | |             r#"
[INFO] [stdout] 40 | |                CREATE TABLE IF NOT EXISTS files(
[INFO] [stdout] 41 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |             NO_PARAMS,
[INFO] [stdout] 46 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/tags.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         &self.conn.execute(
[INFO] [stdout] 49 | |             r#"
[INFO] [stdout] 50 | |                 CREATE TABLE IF NOT EXISTS files_tags(
[INFO] [stdout] 51 | |                     id integer primary key autoincrement,
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |             NO_PARAMS,
[INFO] [stdout] 58 | |         );
[INFO] [stdout]    | |_________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = &self.conn.execute(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "c2a885deda1b7f0ff35c4bcdd51a33afb92d48f9a66a4ed30bbad1e5429155b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a885deda1b7f0ff35c4bcdd51a33afb92d48f9a66a4ed30bbad1e5429155b9", kill_on_drop: false }`
[INFO] [stdout] c2a885deda1b7f0ff35c4bcdd51a33afb92d48f9a66a4ed30bbad1e5429155b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8408baedbf2ffe8b21bc28a3ad120c709c8f8f913da6a8a502c4315ff13ee415
[INFO] running `Command { std: "docker" "start" "-a" "8408baedbf2ffe8b21bc28a3ad120c709c8f8f913da6a8a502c4315ff13ee415", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/tags.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         &self.conn.execute(
[INFO] [stderr] 30 | |             r#"
[INFO] [stderr] 31 | |             create table if not exists tags(
[INFO] [stderr] 32 | |                 id integer primary key autoincrement,
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |             NO_PARAMS,
[INFO] [stderr] 36 | |         )?;
[INFO] [stderr]    | |__________^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let _ = &self.conn.execute(
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/tags.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 | /         &self.conn.execute(
[INFO] [stderr] 39 | |             r#"
[INFO] [stderr] 40 | |                CREATE TABLE IF NOT EXISTS files(
[INFO] [stderr] 41 | |                     id integer primary key autoincrement,
[INFO] [stderr] ...  |
[INFO] [stderr] 45 | |             NO_PARAMS,
[INFO] [stderr] 46 | |         );
[INFO] [stderr]    | |_________^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let _ = &self.conn.execute(
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/tags.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 | /         &self.conn.execute(
[INFO] [stderr] 49 | |             r#"
[INFO] [stderr] 50 | |                 CREATE TABLE IF NOT EXISTS files_tags(
[INFO] [stderr] 51 | |                     id integer primary key autoincrement,
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |             NO_PARAMS,
[INFO] [stderr] 58 | |         );
[INFO] [stderr]    | |_________^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let _ = &self.conn.execute(
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `carpo` (lib) generated 3 warnings
[INFO] [stderr] warning: `carpo` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `carpo` (bin "carpo" test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `carpo` (bin "carpo") generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/carpo-0abbc9d46c314a0c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/carpo-e91c14c4deb42bab)
[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] [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] [stderr]      Running tests/arch.rs (/opt/rustwide/target/debug/deps/arch-c01f0e8f547b6bfb)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test const_source_int ... ok
[INFO] [stdout] test const_source_equal ... ok
[INFO] [stdout] test const_source_c_str ... ok
[INFO] [stdout] test const_source_not_equal ... ok
[INFO] [stdout] test const_source_not_equal_two_obj ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-6dbc48197147d5ab)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test learning::dirs::home_is_dir ... ok
[INFO] [stdout] test learning::tempfile::read_write_temp_file ... ok
[INFO] [stdout] test learning::tempfile::temp_directory ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/simple.rs (/opt/rustwide/target/debug/deps/simple-c5d6c75fa0a55279)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tags.rs (/opt/rustwide/target/debug/deps/tags-5c4fbd739cf32b66)
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test file_by_name ... ok
[INFO] [stdout] test search_tags ... ok
[INFO] [stdout] test delete ... ok
[INFO] [stdout] test by_name_success ... ok
[INFO] [stdout] test file_by_name_not_found ... ok
[INFO] [stdout] test by_name_not_exist ... ok
[INFO] [stdout] test insert ... ok
[INFO] [stdout] test file_searching_found ... ok
[INFO] [stdout] test all_files_in_workspace ... ok
[INFO] [stdout] test tags_by_file_id_not_found ... ok
[INFO] [stdout] test files_by_tag_name ... ok
[INFO] [stdout] test tags_by_file_id_found ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/util.rs (/opt/rustwide/target/debug/deps/util-8aeeee1f045d3405)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests carpo
[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" "8408baedbf2ffe8b21bc28a3ad120c709c8f8f913da6a8a502c4315ff13ee415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8408baedbf2ffe8b21bc28a3ad120c709c8f8f913da6a8a502c4315ff13ee415", kill_on_drop: false }`
[INFO] [stdout] 8408baedbf2ffe8b21bc28a3ad120c709c8f8f913da6a8a502c4315ff13ee415