[INFO] cloning repository https://github.com/denis96z/tnt15-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denis96z/tnt15-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenis96z%2Ftnt15-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenis96z%2Ftnt15-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea1a76b20c2a9dea9de63c205deb771e9405f80c
[INFO] testing denis96z/tnt15-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenis96z%2Ftnt15-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denis96z/tnt15-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/denis96z/tnt15-rs
[INFO] finished tweaking git repo https://github.com/denis96z/tnt15-rs
[INFO] tweaked toml for git repo https://github.com/denis96z/tnt15-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/denis96z/tnt15-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed7975b3e48f064d0efbc9c4b2f39c3641046fa39a0555490d01f9d88775f85a
[INFO] running `Command { std: "docker" "start" "-a" "ed7975b3e48f064d0efbc9c4b2f39c3641046fa39a0555490d01f9d88775f85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed7975b3e48f064d0efbc9c4b2f39c3641046fa39a0555490d01f9d88775f85a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed7975b3e48f064d0efbc9c4b2f39c3641046fa39a0555490d01f9d88775f85a", kill_on_drop: false }`
[INFO] [stdout] ed7975b3e48f064d0efbc9c4b2f39c3641046fa39a0555490d01f9d88775f85a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08518b396cef72fc7696f89712a23d86f22c122dacb450b4d95da60f720f2126
[INFO] running `Command { std: "docker" "start" "-a" "08518b396cef72fc7696f89712a23d86f22c122dacb450b4d95da60f720f2126", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling tnt15-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/tnt/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Client`
[INFO] [stdout]  --> src/tnt/client.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Client {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `connect`
[INFO] [stdout]   --> src/tnt/client.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub async fn connect<T: ToSocketAddrs>(addr: T) -> io::Result<Client> {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]  --> src/tnt/connection.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Connection {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tnt/connection.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(socket: TcpStream) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_req_id`
[INFO] [stdout]   --> src/tnt/connection.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn next_req_id(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Insert`
[INFO] [stdout]  --> src/tnt/requests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Insert {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]  --> src/tnt/requests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub const ID: u32 = 13;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Select`
[INFO] [stdout]   --> src/tnt/requests.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Select {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub const ID: u32 = 17;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Update`
[INFO] [stdout]   --> src/tnt/requests.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Update {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub const ID: u32 = 19;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Delete`
[INFO] [stdout]   --> src/tnt/requests.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Delete {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub const ID: u32 = 21;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Call`
[INFO] [stdout]   --> src/tnt/requests.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Call {}
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub const ID: u32 = 22;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tuple`
[INFO] [stdout]  --> src/tnt/types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Tuple {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "08518b396cef72fc7696f89712a23d86f22c122dacb450b4d95da60f720f2126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08518b396cef72fc7696f89712a23d86f22c122dacb450b4d95da60f720f2126", kill_on_drop: false }`
[INFO] [stdout] 08518b396cef72fc7696f89712a23d86f22c122dacb450b4d95da60f720f2126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3200f6ac97b05f36d1b4411e445fd0db778ed7ef1bd39a015072a7acf5d121e4
[INFO] running `Command { std: "docker" "start" "-a" "3200f6ac97b05f36d1b4411e445fd0db778ed7ef1bd39a015072a7acf5d121e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tnt15-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/tnt/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Client`
[INFO] [stdout]  --> src/tnt/client.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Client {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `connect`
[INFO] [stdout]   --> src/tnt/client.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub async fn connect<T: ToSocketAddrs>(addr: T) -> io::Result<Client> {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]  --> src/tnt/connection.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Connection {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tnt/connection.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(socket: TcpStream) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_req_id`
[INFO] [stdout]   --> src/tnt/connection.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn next_req_id(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Insert`
[INFO] [stdout]  --> src/tnt/requests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Insert {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]  --> src/tnt/requests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub const ID: u32 = 13;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Select`
[INFO] [stdout]   --> src/tnt/requests.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Select {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub const ID: u32 = 17;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Update`
[INFO] [stdout]   --> src/tnt/requests.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Update {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub const ID: u32 = 19;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Delete`
[INFO] [stdout]   --> src/tnt/requests.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Delete {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub const ID: u32 = 21;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Call`
[INFO] [stdout]   --> src/tnt/requests.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Call {}
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub const ID: u32 = 22;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tuple`
[INFO] [stdout]  --> src/tnt/types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Tuple {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/tnt/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Client`
[INFO] [stdout]  --> src/tnt/client.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Client {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `connect`
[INFO] [stdout]   --> src/tnt/client.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub async fn connect<T: ToSocketAddrs>(addr: T) -> io::Result<Client> {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Connection`
[INFO] [stdout]  --> src/tnt/connection.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Connection {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tnt/connection.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(socket: TcpStream) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_req_id`
[INFO] [stdout]   --> src/tnt/connection.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn next_req_id(&mut self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Insert`
[INFO] [stdout]  --> src/tnt/requests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Insert {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]  --> src/tnt/requests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub const ID: u32 = 13;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Select`
[INFO] [stdout]   --> src/tnt/requests.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Select {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub const ID: u32 = 17;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Update`
[INFO] [stdout]   --> src/tnt/requests.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Update {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub const ID: u32 = 19;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Delete`
[INFO] [stdout]   --> src/tnt/requests.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Delete {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub const ID: u32 = 21;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Call`
[INFO] [stdout]   --> src/tnt/requests.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Call {}
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `ID`
[INFO] [stdout]   --> src/tnt/requests.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub const ID: u32 = 22;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Tuple`
[INFO] [stdout]  --> src/tnt/types.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Tuple {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.69s
[INFO] running `Command { std: "docker" "inspect" "3200f6ac97b05f36d1b4411e445fd0db778ed7ef1bd39a015072a7acf5d121e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3200f6ac97b05f36d1b4411e445fd0db778ed7ef1bd39a015072a7acf5d121e4", kill_on_drop: false }`
[INFO] [stdout] 3200f6ac97b05f36d1b4411e445fd0db778ed7ef1bd39a015072a7acf5d121e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13d39625076d4c58ca3eaafcdbbadcfbfe7c860548e027dd48aae95b41766b43
[INFO] running `Command { std: "docker" "start" "-a" "13d39625076d4c58ca3eaafcdbbadcfbfe7c860548e027dd48aae95b41766b43", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/tnt/client.rs:1:5
[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] 1 | use std::error::Error;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Client`
[INFO] [stderr]  --> src/tnt/client.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Client {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `connect`
[INFO] [stderr]   --> src/tnt/client.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub async fn connect<T: ToSocketAddrs>(addr: T) -> io::Result<Client> {
[INFO] [stderr]    |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Connection`
[INFO] [stderr]  --> src/tnt/connection.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Connection {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/tnt/connection.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(socket: TcpStream) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_req_id`
[INFO] [stderr]   --> src/tnt/connection.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn next_req_id(&mut self) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Insert`
[INFO] [stderr]  --> src/tnt/requests.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Insert {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `ID`
[INFO] [stderr]  --> src/tnt/requests.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub const ID: u32 = 13;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Select`
[INFO] [stderr]   --> src/tnt/requests.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Select {}
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `ID`
[INFO] [stderr]   --> src/tnt/requests.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub const ID: u32 = 17;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Update`
[INFO] [stderr]   --> src/tnt/requests.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Update {}
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `ID`
[INFO] [stderr]   --> src/tnt/requests.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub const ID: u32 = 19;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Delete`
[INFO] [stderr]   --> src/tnt/requests.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct Delete {}
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `ID`
[INFO] [stderr]   --> src/tnt/requests.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub const ID: u32 = 21;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Call`
[INFO] [stderr]   --> src/tnt/requests.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Call {}
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `ID`
[INFO] [stderr]   --> src/tnt/requests.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub const ID: u32 = 22;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Tuple`
[INFO] [stderr]  --> src/tnt/types.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Tuple {}
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tnt15-rs` (lib) generated 17 warnings
[INFO] [stderr] warning: `tnt15-rs` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tnt15_rs-9a3eff6de9362e16)
[INFO] [stderr]    Doc-tests tnt15-rs
[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" "13d39625076d4c58ca3eaafcdbbadcfbfe7c860548e027dd48aae95b41766b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d39625076d4c58ca3eaafcdbbadcfbfe7c860548e027dd48aae95b41766b43", kill_on_drop: false }`
[INFO] [stdout] 13d39625076d4c58ca3eaafcdbbadcfbfe7c860548e027dd48aae95b41766b43