[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 beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenis96z%2Ftnt15-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denis96z/tnt15-rs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-10/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 851b0a4b3c98530385d73573db0e6cf78fa3b354f7f82a72d4e72e4f2b3f7787
[INFO] running `Command { std: "docker" "start" "-a" "851b0a4b3c98530385d73573db0e6cf78fa3b354f7f82a72d4e72e4f2b3f7787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "851b0a4b3c98530385d73573db0e6cf78fa3b354f7f82a72d4e72e4f2b3f7787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "851b0a4b3c98530385d73573db0e6cf78fa3b354f7f82a72d4e72e4f2b3f7787", kill_on_drop: false }`
[INFO] [stdout] 851b0a4b3c98530385d73573db0e6cf78fa3b354f7f82a72d4e72e4f2b3f7787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4f75099fc44fc81aa3f6ca7d09ee87b6b592644ca0fd1cd2a6c0d41d00344be
[INFO] running `Command { std: "docker" "start" "-a" "c4f75099fc44fc81aa3f6ca7d09ee87b6b592644ca0fd1cd2a6c0d41d00344be", 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 syn v1.0.82
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[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 14.52s
[INFO] running `Command { std: "docker" "inspect" "c4f75099fc44fc81aa3f6ca7d09ee87b6b592644ca0fd1cd2a6c0d41d00344be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f75099fc44fc81aa3f6ca7d09ee87b6b592644ca0fd1cd2a6c0d41d00344be", kill_on_drop: false }`
[INFO] [stdout] c4f75099fc44fc81aa3f6ca7d09ee87b6b592644ca0fd1cd2a6c0d41d00344be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cef496fc34754d8d987525ca58652fd5693a960176ddfd1b16330b2bf5366c
[INFO] running `Command { std: "docker" "start" "-a" "29cef496fc34754d8d987525ca58652fd5693a960176ddfd1b16330b2bf5366c", kill_on_drop: false }`
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "29cef496fc34754d8d987525ca58652fd5693a960176ddfd1b16330b2bf5366c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cef496fc34754d8d987525ca58652fd5693a960176ddfd1b16330b2bf5366c", kill_on_drop: false }`
[INFO] [stdout] 29cef496fc34754d8d987525ca58652fd5693a960176ddfd1b16330b2bf5366c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7cfcc7c39639cc8cf1f0f273822cc98a37dcfdd6602bd05b18f2f7a61f7f925c
[INFO] running `Command { std: "docker" "start" "-a" "7cfcc7c39639cc8cf1f0f273822cc98a37dcfdd6602bd05b18f2f7a61f7f925c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/tnt/client.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tnt15_rs-da65654021219495)
[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]    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" "7cfcc7c39639cc8cf1f0f273822cc98a37dcfdd6602bd05b18f2f7a61f7f925c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfcc7c39639cc8cf1f0f273822cc98a37dcfdd6602bd05b18f2f7a61f7f925c", kill_on_drop: false }`
[INFO] [stdout] 7cfcc7c39639cc8cf1f0f273822cc98a37dcfdd6602bd05b18f2f7a61f7f925c