[INFO] cloning repository https://github.com/Keksoj/tcp_echoer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Keksoj/tcp_echoer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeksoj%2Ftcp_echoer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeksoj%2Ftcp_echoer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25e719cc76ef664e5babdb0c67543f2a19ecd8cb [INFO] testing Keksoj/tcp_echoer against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeksoj%2Ftcp_echoer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Keksoj/tcp_echoer [INFO] finished tweaking git repo https://github.com/Keksoj/tcp_echoer [INFO] tweaked toml for git repo https://github.com/Keksoj/tcp_echoer written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Keksoj/tcp_echoer on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Keksoj/tcp_echoer 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.2.6 [INFO] [stderr] Downloaded futures-executor v0.3.14 [INFO] [stderr] Downloaded futures-macro v0.3.14 [INFO] [stderr] Downloaded futures-sink v0.3.14 [INFO] [stderr] Downloaded futures v0.3.14 [INFO] [stderr] Downloaded futures-channel v0.3.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eb87dd800fa2df162dfcabb97fcda0a366a34438aed81bf645f9b091b9f1441e [INFO] running `Command { std: "docker" "start" "-a" "eb87dd800fa2df162dfcabb97fcda0a366a34438aed81bf645f9b091b9f1441e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb87dd800fa2df162dfcabb97fcda0a366a34438aed81bf645f9b091b9f1441e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb87dd800fa2df162dfcabb97fcda0a366a34438aed81bf645f9b091b9f1441e", kill_on_drop: false }` [INFO] [stdout] eb87dd800fa2df162dfcabb97fcda0a366a34438aed81bf645f9b091b9f1441e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 54f66f2f28e82ad9d96faeb6944e110b3eba9259b321286b09ffe7f479106602 [INFO] running `Command { std: "docker" "start" "-a" "54f66f2f28e82ad9d96faeb6944e110b3eba9259b321286b09ffe7f479106602", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling futures-core v0.3.14 [INFO] [stderr] Compiling futures-sink v0.3.14 [INFO] [stderr] Compiling futures-channel v0.3.14 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-task v0.3.14 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling futures-io v0.3.14 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling tracing v0.1.25 [INFO] [stderr] Compiling sharded-slab v0.1.1 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling futures-util v0.3.14 [INFO] [stderr] Compiling futures-executor v0.3.14 [INFO] [stderr] Compiling futures v0.3.14 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling tracing-subscriber v0.2.17 [INFO] [stderr] Compiling tcp_echoer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::boxed::Box` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `info`, and `warn` [INFO] [stdout] --> src/lib.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use tracing::{debug, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinAll` and `join_all` [INFO] [stdout] --> src/client.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::future::{join_all, JoinAll}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::future::Future` [INFO] [stdout] --> src/client.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`, and `SocketAddr` [INFO] [stdout] --> src/client.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::net::{IpAddr, Ipv4Addr, SocketAddr}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task::JoinHandle` [INFO] [stdout] --> src/client.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | task::JoinHandle, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug` and `warn` [INFO] [stdout] --> src/client.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | use tracing::{debug, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error` and `Result` [INFO] [stdout] --> src/server.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::{Context, Error, Result}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TcpStream` and `self` [INFO] [stdout] --> src/server.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | io::{self, AsyncReadExt, AsyncWriteExt}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | net::{TcpListener, TcpStream}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/server.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/server.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 21 | / loop { [INFO] [stdout] ... | [INFO] [stdout] 59 | | }); [INFO] [stdout] 60 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 61 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `received_frame` [INFO] [stdout] --> src/client.rs:82:29 [INFO] [stdout] | [INFO] [stdout] 82 | let received_frame = lib::CustomFrame::from_bytes(received_data) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `oneshot_tx` is never read [INFO] [stdout] --> src/client.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Command { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 21 | frame: CustomFrame, [INFO] [stdout] 22 | oneshot_tx: oneshot::Sender, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_a_list_of_futures` is never used [INFO] [stdout] --> src/client.rs:151:4 [INFO] [stdout] | [INFO] [stdout] 151 | fn make_a_list_of_futures( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `send_a_word` is never used [INFO] [stdout] --> src/client.rs:169:10 [INFO] [stdout] | [INFO] [stdout] 169 | async fn send_a_word(mpsc_tx: Sender, word: String) -> anyhow::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.60s [INFO] running `Command { std: "docker" "inspect" "54f66f2f28e82ad9d96faeb6944e110b3eba9259b321286b09ffe7f479106602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54f66f2f28e82ad9d96faeb6944e110b3eba9259b321286b09ffe7f479106602", kill_on_drop: false }` [INFO] [stdout] 54f66f2f28e82ad9d96faeb6944e110b3eba9259b321286b09ffe7f479106602 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 93774980493c963acdc1fb1e93be75c68360709875cb67f056838b710bb451a8 [INFO] running `Command { std: "docker" "start" "-a" "93774980493c963acdc1fb1e93be75c68360709875cb67f056838b710bb451a8", kill_on_drop: false }` [INFO] [stderr] Compiling tcp_echoer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::boxed::Box` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `info`, and `warn` [INFO] [stdout] --> src/lib.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use tracing::{debug, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::boxed::Box` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `info`, and `warn` [INFO] [stdout] --> src/lib.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use tracing::{debug, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error` and `Result` [INFO] [stdout] --> src/server.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use anyhow::{Context, Error, Result}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TcpStream` and `self` [INFO] [stdout] --> src/server.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | io::{self, AsyncReadExt, AsyncWriteExt}, [INFO] [stdout] | ^^^^ [INFO] [stdout] 5 | net::{TcpListener, TcpStream}, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> src/server.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/server.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 21 | / loop { [INFO] [stdout] ... | [INFO] [stdout] 59 | | }); [INFO] [stdout] 60 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 61 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinAll` and `join_all` [INFO] [stdout] --> src/client.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::future::{join_all, JoinAll}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/client.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::future::Future` [INFO] [stdout] --> src/client.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`, and `SocketAddr` [INFO] [stdout] --> src/client.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | use std::net::{IpAddr, Ipv4Addr, SocketAddr}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `task::JoinHandle` [INFO] [stdout] --> src/client.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | task::JoinHandle, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug` and `warn` [INFO] [stdout] --> src/client.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | use tracing::{debug, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `received_frame` [INFO] [stdout] --> src/client.rs:82:29 [INFO] [stdout] | [INFO] [stdout] 82 | let received_frame = lib::CustomFrame::from_bytes(received_data) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_frame` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `oneshot_tx` is never read [INFO] [stdout] --> src/client.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Command { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 21 | frame: CustomFrame, [INFO] [stdout] 22 | oneshot_tx: oneshot::Sender, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_a_list_of_futures` is never used [INFO] [stdout] --> src/client.rs:151:4 [INFO] [stdout] | [INFO] [stdout] 151 | fn make_a_list_of_futures( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `send_a_word` is never used [INFO] [stdout] --> src/client.rs:169:10 [INFO] [stdout] | [INFO] [stdout] 169 | async fn send_a_word(mpsc_tx: Sender, word: String) -> anyhow::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "93774980493c963acdc1fb1e93be75c68360709875cb67f056838b710bb451a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93774980493c963acdc1fb1e93be75c68360709875cb67f056838b710bb451a8", kill_on_drop: false }` [INFO] [stdout] 93774980493c963acdc1fb1e93be75c68360709875cb67f056838b710bb451a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 46042f38f909027f14b8382374c46a122d594b41194e356c4fcb89cd058755bf [INFO] running `Command { std: "docker" "start" "-a" "46042f38f909027f14b8382374c46a122d594b41194e356c4fcb89cd058755bf", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::boxed::Box` [INFO] [stderr] --> src/lib.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::boxed::Box; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/lib.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `debug`, `info`, and `warn` [INFO] [stderr] --> src/lib.rs:10:15 [INFO] [stderr] | [INFO] [stderr] 10 | use tracing::{debug, info, warn}; [INFO] [stderr] | ^^^^^ ^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `tcp_echoer` (lib) generated 3 warnings (run `cargo fix --lib -p tcp_echoer` to apply 3 suggestions) [INFO] [stderr] warning: `tcp_echoer` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] warning: unused imports: `Error` and `Result` [INFO] [stderr] --> src/server.rs:1:23 [INFO] [stderr] | [INFO] [stderr] 1 | use anyhow::{Context, Error, Result}; [INFO] [stderr] | ^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `TcpStream` and `self` [INFO] [stderr] --> src/server.rs:4:10 [INFO] [stderr] | [INFO] [stderr] 4 | io::{self, AsyncReadExt, AsyncWriteExt}, [INFO] [stderr] | ^^^^ [INFO] [stderr] 5 | net::{TcpListener, TcpStream}, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `debug` [INFO] [stderr] --> src/server.rs:7:15 [INFO] [stderr] | [INFO] [stderr] 7 | use tracing::{debug, info}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/server.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 21 | / loop { [INFO] [stderr] ... | [INFO] [stderr] 59 | | }); [INFO] [stderr] 60 | | } [INFO] [stderr] | |_____- any code following this expression is unreachable [INFO] [stderr] 61 | Ok(()) [INFO] [stderr] | ^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `JoinAll` and `join_all` [INFO] [stderr] --> src/client.rs:2:23 [INFO] [stderr] | [INFO] [stderr] 2 | use futures::future::{join_all, JoinAll}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/client.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::future::Future` [INFO] [stderr] --> src/client.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::future::Future; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `IpAddr`, `Ipv4Addr`, and `SocketAddr` [INFO] [stderr] --> src/client.rs:6:16 [INFO] [stderr] | [INFO] [stderr] 6 | use std::net::{IpAddr, Ipv4Addr, SocketAddr}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `task::JoinHandle` [INFO] [stderr] --> src/client.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | task::JoinHandle, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `debug` and `warn` [INFO] [stderr] --> src/client.rs:17:15 [INFO] [stderr] | [INFO] [stderr] 17 | use tracing::{debug, info, warn}; [INFO] [stderr] | ^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `received_frame` [INFO] [stderr] --> src/client.rs:82:29 [INFO] [stderr] | [INFO] [stderr] 82 | let received_frame = lib::CustomFrame::from_bytes(received_data) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_received_frame` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `oneshot_tx` is never read [INFO] [stderr] --> src/client.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 20 | struct Command { [INFO] [stderr] | ------- field in this struct [INFO] [stderr] 21 | frame: CustomFrame, [INFO] [stderr] 22 | oneshot_tx: oneshot::Sender, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `make_a_list_of_futures` is never used [INFO] [stderr] --> src/client.rs:151:4 [INFO] [stderr] | [INFO] [stderr] 151 | fn make_a_list_of_futures( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `send_a_word` is never used [INFO] [stderr] --> src/client.rs:169:10 [INFO] [stderr] | [INFO] [stderr] 169 | async fn send_a_word(mpsc_tx: Sender, word: String) -> anyhow::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `tcp_echoer` (bin "server" test) generated 4 warnings (run `cargo fix --bin "server" --tests` to apply 3 suggestions) [INFO] [stderr] warning: `tcp_echoer` (bin "client" test) generated 10 warnings (run `cargo fix --bin "client" --tests` to apply 6 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/lib-23642b2fcf70c386) [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] [stdout] [INFO] [stderr] Running unittests src/client.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/client-3ea89aae88d9340b) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/server.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/server-da6f196dc44e5cb8) [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "46042f38f909027f14b8382374c46a122d594b41194e356c4fcb89cd058755bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46042f38f909027f14b8382374c46a122d594b41194e356c4fcb89cd058755bf", kill_on_drop: false }` [INFO] [stdout] 46042f38f909027f14b8382374c46a122d594b41194e356c4fcb89cd058755bf