[INFO] cloning repository https://github.com/dinesh876/maxconn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinesh876/maxconn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinesh876%2Fmaxconn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinesh876%2Fmaxconn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6ee2ccbd44c789ce50878e90e9e78ea4110897a9 [INFO] checking dinesh876/maxconn against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinesh876%2Fmaxconn" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dinesh876/maxconn on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dinesh876/maxconn [INFO] finished tweaking git repo https://github.com/dinesh876/maxconn [INFO] tweaked toml for git repo https://github.com/dinesh876/maxconn written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dinesh876/maxconn 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16c38dc7e6e9b49150f845b956ca0abb9f021b885b342da504240f6fbfac6de1 [INFO] running `Command { std: "docker" "start" "-a" "16c38dc7e6e9b49150f845b956ca0abb9f021b885b342da504240f6fbfac6de1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16c38dc7e6e9b49150f845b956ca0abb9f021b885b342da504240f6fbfac6de1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16c38dc7e6e9b49150f845b956ca0abb9f021b885b342da504240f6fbfac6de1", kill_on_drop: false }` [INFO] [stdout] 16c38dc7e6e9b49150f845b956ca0abb9f021b885b342da504240f6fbfac6de1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a479101a5724d9aeb39f3c6c9d6356d94fe49bbc60ea5839d6502f3362dfb583 [INFO] running `Command { std: "docker" "start" "-a" "a479101a5724d9aeb39f3c6c9d6356d94fe49bbc60ea5839d6502f3362dfb583", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Compiling rustix v0.38.4 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Checking linux-raw-sys v0.4.3 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Checking regex-syntax v0.7.4 [INFO] [stderr] Checking anstyle v1.0.1 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Checking clap_lex v0.5.0 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking socket2 v0.5.3 [INFO] [stderr] Checking tracing-log v0.1.3 [INFO] [stderr] Compiling quote v1.0.31 [INFO] [stderr] Compiling syn v2.0.26 [INFO] [stderr] Checking regex-automata v0.3.4 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking anstream v0.3.2 [INFO] [stderr] Checking clap_builder v4.3.19 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.9.1 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Checking tokio v1.29.1 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking clap v4.3.19 [INFO] [stderr] Checking maxconn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/reporting.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use tracing::{info,error,debug}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/reporting.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 8 | use tracing::{info,error,debug}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | tx_clone1.send(i).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 35 | let _ = tx_clone1.send(i).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | tx_clone2.send(i).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = tx_clone2.send(i).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | tx_clone1.send(i).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 35 | let _ = tx_clone1.send(i).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/main.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | tx_clone2.send(i).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = tx_clone2.send(i).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout` [INFO] [stdout] --> src/bin/client.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let timeout = cli.timeout.unwrap_or(DEFAULT_TIMEOUT); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `timeout` [INFO] [stdout] --> src/bin/client.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let timeout = cli.timeout.unwrap_or(DEFAULT_TIMEOUT); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timeout` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.04s [INFO] running `Command { std: "docker" "inspect" "a479101a5724d9aeb39f3c6c9d6356d94fe49bbc60ea5839d6502f3362dfb583", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a479101a5724d9aeb39f3c6c9d6356d94fe49bbc60ea5839d6502f3362dfb583", kill_on_drop: false }` [INFO] [stdout] a479101a5724d9aeb39f3c6c9d6356d94fe49bbc60ea5839d6502f3362dfb583