[INFO] cloning repository https://github.com/msakuta/rudis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msakuta/rudis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsakuta%2Frudis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsakuta%2Frudis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dffe3d8b8f7e46922cf0333f89f7dcd9f7718a6
[INFO] checking msakuta/rudis against master#51ff895062ba60a7cba53f57af928c3fb7b0f2f4 for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsakuta%2Frudis" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/msakuta/rudis
[INFO] finished tweaking git repo https://github.com/msakuta/rudis
[INFO] tweaked toml for git repo https://github.com/msakuta/rudis written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/msakuta/rudis on toolchain 51ff895062ba60a7cba53f57af928c3fb7b0f2f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51ff895062ba60a7cba53f57af928c3fb7b0f2f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/msakuta/rudis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51ff895062ba60a7cba53f57af928c3fb7b0f2f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+51ff895062ba60a7cba53f57af928c3fb7b0f2f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dda9c2afcf4b8da30f04627e9c7fa1517ba6cca3014ad60a5b7f5959c8c5cbc1
[INFO] running `Command { std: "docker" "start" "-a" "dda9c2afcf4b8da30f04627e9c7fa1517ba6cca3014ad60a5b7f5959c8c5cbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda9c2afcf4b8da30f04627e9c7fa1517ba6cca3014ad60a5b7f5959c8c5cbc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda9c2afcf4b8da30f04627e9c7fa1517ba6cca3014ad60a5b7f5959c8c5cbc1", kill_on_drop: false }`
[INFO] [stdout] dda9c2afcf4b8da30f04627e9c7fa1517ba6cca3014ad60a5b7f5959c8c5cbc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+51ff895062ba60a7cba53f57af928c3fb7b0f2f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03e7cbe6dbff82fdb24606c302aed266543092625811f2d4e45868cedb2796ac
[INFO] running `Command { std: "docker" "start" "-a" "03e7cbe6dbff82fdb24606c302aed266543092625811f2d4e45868cedb2796ac", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]     Checking redis v0.23.3
[INFO] [stderr]     Checking rudis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/client.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     loop {
[INFO] [stdout] 48 | |         let resp = deserialize(&mut con)?;
[INFO] [stdout] 49 | |         println!("Got some answer: {resp:?}");
[INFO] [stdout] 50 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 51 |       unreachable!()
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/client.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /     loop {
[INFO] [stdout] 83 | |         con.publish("channel", "Hey from Rust")?;
[INFO] [stdout] 84 | |         std::thread::sleep(Duration::from_secs(1));
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 86 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/client.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | /     loop {
[INFO] [stdout] 48 | |         let resp = deserialize(&mut con)?;
[INFO] [stdout] 49 | |         println!("Got some answer: {resp:?}");
[INFO] [stdout] 50 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 51 |       unreachable!()
[INFO] [stdout]    |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/client.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | /     loop {
[INFO] [stdout] 83 | |         con.publish("channel", "Hey from Rust")?;
[INFO] [stdout] 84 | |         std::thread::sleep(Duration::from_secs(1));
[INFO] [stdout] 85 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 86 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/client.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn simple_publisher() -> redis::RedisResult<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/client.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         con.publish("channel", "Hey from Rust")?;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 83 |         con.publish::<_, _, ()>("channel", "Hey from Rust")?;
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]   --> src/client.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn simple_publisher() -> redis::RedisResult<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/never-type-fallback.html>
[INFO] [stdout]    = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: FromRedisValue` will fail
[INFO] [stdout]   --> src/client.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |         con.publish("channel", "Hey from Rust")?;
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    = note: `#[warn(dependency_on_unit_never_type_fallback)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: use `()` annotations to avoid fallback changes
[INFO] [stdout]    |
[INFO] [stdout] 83 |         con.publish::<_, _, ()>("channel", "Hey from Rust")?;
[INFO] [stdout]    |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/redis_value.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RedisValue {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 13 |     pub(crate) fn as_str(&self) -> Option<&str> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_null` is never used
[INFO] [stdout]   --> src/ser.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub(crate) fn serialize_null(f: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clock` is never used
[INFO] [stdout]   --> src/serve.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn clock(server: Arc<Mutex<Server>>) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_str_array` is never used
[INFO] [stdout]   --> src/ser.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) fn serialize_str_array(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/redis_value.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RedisValue {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 13 |     pub(crate) fn as_str(&self) -> Option<&str> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_null` is never used
[INFO] [stdout]   --> src/ser.rs:32:15
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub(crate) fn serialize_null(f: &mut impl Write) -> std::io::Result<()> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clock` is never used
[INFO] [stdout]   --> src/serve.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn clock(server: Arc<Mutex<Server>>) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize_str_array` is never used
[INFO] [stdout]   --> src/ser.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub(crate) fn serialize_str_array(
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.23.3, rudis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "03e7cbe6dbff82fdb24606c302aed266543092625811f2d4e45868cedb2796ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e7cbe6dbff82fdb24606c302aed266543092625811f2d4e45868cedb2796ac", kill_on_drop: false }`
[INFO] [stdout] 03e7cbe6dbff82fdb24606c302aed266543092625811f2d4e45868cedb2796ac