[INFO] cloning repository https://github.com/2qif49lt/rustl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2qif49lt/rustl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2qif49lt%2Frustl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2qif49lt%2Frustl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da053f60189f6758d194a88bf69d2049ca1643f5
[INFO] testing 2qif49lt/rustl against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2qif49lt%2Frustl" "/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/2qif49lt/rustl 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/2qif49lt/rustl
[INFO] finished tweaking git repo https://github.com/2qif49lt/rustl
[INFO] tweaked toml for git repo https://github.com/2qif49lt/rustl written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/2qif49lt/rustl 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] 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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79d028f14a8634452430257fa8dc2c9f75000a72f03a6eb6128b92fb42614d0d
[INFO] running `Command { std: "docker" "start" "-a" "79d028f14a8634452430257fa8dc2c9f75000a72f03a6eb6128b92fb42614d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79d028f14a8634452430257fa8dc2c9f75000a72f03a6eb6128b92fb42614d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d028f14a8634452430257fa8dc2c9f75000a72f03a6eb6128b92fb42614d0d", kill_on_drop: false }`
[INFO] [stdout] 79d028f14a8634452430257fa8dc2c9f75000a72f03a6eb6128b92fb42614d0d
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bdf1cd1e4c5f047f017c6efacb17b2d2f6264558c3bcfbf794738d1107067831
[INFO] running `Command { std: "docker" "start" "-a" "bdf1cd1e4c5f047f017c6efacb17b2d2f6264558c3bcfbf794738d1107067831", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.23
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tracing v0.1.32
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tcpsrv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-util v0.7.0
[INFO] [stdout] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stdout]  --> src/utils/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use mem::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SinkExt`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::{SinkExt, StreamExt};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     loop {
[INFO] [stdout] 26 | |         let (conn, remote) = listener.accept().await?;
[INFO] [stdout] 27 | |         info!("client connected {}", remote);
[INFO] [stdout] 28 | |         let mut transport = bind_transport(conn);
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         });
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 42 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/service/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 57 |         CMD_HELLO_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/service/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 61 |         CMD_BYE_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/service/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 65 |         CMD_EXAMPLE_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/service/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 69 |         _ => Err(std::io::Error::new(std::io::ErrorKind::InvalidData, "cmd invalid"))?
[INFO] [stdout]    |         ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `CMD_ALIVE_REQ`
[INFO] [stdout]   --> src/service/mod.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_CMD_ALIVE_REQ`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `CMD_HELLO_REQ`
[INFO] [stdout]   --> src/service/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         CMD_HELLO_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_CMD_HELLO_REQ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/service/proc.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/service/proc.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/service/proc.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/service/proc.rs:58:26
[INFO] [stdout]    |
[INFO] [stdout] 58 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hdr`
[INFO] [stdout]   --> src/service/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     hdr: Hdr,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             transport.into_inner().shutdown().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CMD_ALIVE_REQ` should have a snake case name
[INFO] [stdout]   --> src/service/mod.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `cmd_alive_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CMD_HELLO_REQ` should have a snake case name
[INFO] [stdout]   --> src/service/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         CMD_HELLO_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `cmd_hello_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "bdf1cd1e4c5f047f017c6efacb17b2d2f6264558c3bcfbf794738d1107067831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf1cd1e4c5f047f017c6efacb17b2d2f6264558c3bcfbf794738d1107067831", kill_on_drop: false }`
[INFO] [stdout] bdf1cd1e4c5f047f017c6efacb17b2d2f6264558c3bcfbf794738d1107067831
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2840d3594139618451897404d83b9ad033b0cf4c25341513a7b85c5f4d693c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2840d3594139618451897404d83b9ad033b0cf4c25341513a7b85c5f4d693c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcpsrv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stdout]  --> src/utils/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use mem::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::Bytes`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bytes::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SinkExt`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::{SinkExt, StreamExt};
[INFO] [stdout]   |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     loop {
[INFO] [stdout] 26 | |         let (conn, remote) = listener.accept().await?;
[INFO] [stdout] 27 | |         info!("client connected {}", remote);
[INFO] [stdout] 28 | |         let mut transport = bind_transport(conn);
[INFO] [stdout] ...  |
[INFO] [stdout] 40 | |         });
[INFO] [stdout] 41 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 42 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/service/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 57 |         CMD_HELLO_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/service/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 61 |         CMD_BYE_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/service/mod.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 65 |         CMD_EXAMPLE_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/service/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ------------- matches any value
[INFO] [stdout] ...
[INFO] [stdout] 69 |         _ => Err(std::io::Error::new(std::io::ErrorKind::InvalidData, "cmd invalid"))?
[INFO] [stdout]    |         ^ unreachable pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `CMD_ALIVE_REQ`
[INFO] [stdout]   --> src/service/mod.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_CMD_ALIVE_REQ`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `CMD_HELLO_REQ`
[INFO] [stdout]   --> src/service/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         CMD_HELLO_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_CMD_HELLO_REQ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/service/proc.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/service/proc.rs:38:26
[INFO] [stdout]    |
[INFO] [stdout] 38 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/service/proc.rs:48:26
[INFO] [stdout]    |
[INFO] [stdout] 48 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/service/proc.rs:58:26
[INFO] [stdout]    |
[INFO] [stdout] 58 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hdr`
[INFO] [stdout]   --> src/service/mod.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     hdr: Hdr,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             transport.into_inner().shutdown().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CMD_ALIVE_REQ` should have a snake case name
[INFO] [stdout]   --> src/service/mod.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         CMD_ALIVE_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `cmd_alive_req`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `CMD_HELLO_REQ` should have a snake case name
[INFO] [stdout]   --> src/service/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         CMD_HELLO_REQ => {
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `cmd_hello_req`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "a2840d3594139618451897404d83b9ad033b0cf4c25341513a7b85c5f4d693c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2840d3594139618451897404d83b9ad033b0cf4c25341513a7b85c5f4d693c5", kill_on_drop: false }`
[INFO] [stdout] a2840d3594139618451897404d83b9ad033b0cf4c25341513a7b85c5f4d693c5
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33c27ca11aae5b9c85656df1a237bff69b780610c03031359d495ce953b4682b
[INFO] running `Command { std: "docker" "start" "-a" "33c27ca11aae5b9c85656df1a237bff69b780610c03031359d495ce953b4682b", kill_on_drop: false }`
[INFO] [stderr] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stderr]  --> src/utils/mod.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub use mem::*;
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use bytes::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SinkExt`
[INFO] [stderr]  --> src/main.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use futures::{SinkExt, StreamExt};
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/main.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     loop {
[INFO] [stderr] 26 | |         let (conn, remote) = listener.accept().await?;
[INFO] [stderr] 27 | |         info!("client connected {}", remote);
[INFO] [stderr] 28 | |         let mut transport = bind_transport(conn);
[INFO] [stderr] ...  |
[INFO] [stderr] 40 | |         });
[INFO] [stderr] 41 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 42 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/service/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         CMD_ALIVE_REQ => {
[INFO] [stderr]    |         ------------- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 57 |         CMD_HELLO_REQ => {
[INFO] [stderr]    |         ^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/service/mod.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         CMD_ALIVE_REQ => {
[INFO] [stderr]    |         ------------- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 61 |         CMD_BYE_REQ => {
[INFO] [stderr]    |         ^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/service/mod.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         CMD_ALIVE_REQ => {
[INFO] [stderr]    |         ------------- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 65 |         CMD_EXAMPLE_REQ => {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/service/mod.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         CMD_ALIVE_REQ => {
[INFO] [stderr]    |         ------------- matches any value
[INFO] [stderr] ...
[INFO] [stderr] 69 |         _ => Err(std::io::Error::new(std::io::ErrorKind::InvalidData, "cmd invalid"))?
[INFO] [stderr]    |         ^ unreachable pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `CMD_ALIVE_REQ`
[INFO] [stderr]   --> src/service/mod.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         CMD_ALIVE_REQ => {
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_CMD_ALIVE_REQ`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `CMD_HELLO_REQ`
[INFO] [stderr]   --> src/service/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         CMD_HELLO_REQ => {
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_CMD_HELLO_REQ`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/service/proc.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/service/proc.rs:38:26
[INFO] [stderr]    |
[INFO] [stderr] 38 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/service/proc.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/service/proc.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |     async fn proc(&self, opt: u32) -> Result<Option<Vec<u8>>> {
[INFO] [stderr]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hdr`
[INFO] [stderr]   --> src/service/mod.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     hdr: Hdr,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             transport.into_inner().shutdown().await;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `CMD_ALIVE_REQ` should have a snake case name
[INFO] [stderr]   --> src/service/mod.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         CMD_ALIVE_REQ => {
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `cmd_alive_req`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `CMD_HELLO_REQ` should have a snake case name
[INFO] [stderr]   --> src/service/mod.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         CMD_HELLO_REQ => {
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `cmd_hello_req`
[INFO] [stderr] 
[INFO] [stderr] warning: `tcpsrv` (bin "tcpsrv" test) generated 18 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcpsrv-ee97d95962c3a7ec)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test protocol::header::tests::header_asbytes ... ok
[INFO] [stdout] test utils::mem::tests::check_field_len ... ok
[INFO] [stdout] test utils::mem::tests::check_field_offset ... ok
[INFO] [stdout] test utils::mem::tests::check_field_size ... ok
[INFO] [stdout] test protocol::frame::tests::bufreader ... 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] running `Command { std: "docker" "inspect" "33c27ca11aae5b9c85656df1a237bff69b780610c03031359d495ce953b4682b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c27ca11aae5b9c85656df1a237bff69b780610c03031359d495ce953b4682b", kill_on_drop: false }`
[INFO] [stdout] 33c27ca11aae5b9c85656df1a237bff69b780610c03031359d495ce953b4682b