[INFO] cloning repository https://github.com/Razz4780/mirrord-kafka-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Razz4780/mirrord-kafka-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRazz4780%2Fmirrord-kafka-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRazz4780%2Fmirrord-kafka-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de9cb1d5bc49007e4ea0e23a3cdade158c38885f [INFO] checking Razz4780/mirrord-kafka-demo against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRazz4780%2Fmirrord-kafka-demo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Razz4780/mirrord-kafka-demo [INFO] finished tweaking git repo https://github.com/Razz4780/mirrord-kafka-demo [INFO] tweaked toml for git repo https://github.com/Razz4780/mirrord-kafka-demo written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Razz4780/mirrord-kafka-demo on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Razz4780/mirrord-kafka-demo 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 891df6aaf9ab50a3f08a60276656821f986ba0cad9ac4b296ba5efa7afed9f47 [INFO] running `Command { std: "docker" "start" "-a" "891df6aaf9ab50a3f08a60276656821f986ba0cad9ac4b296ba5efa7afed9f47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "891df6aaf9ab50a3f08a60276656821f986ba0cad9ac4b296ba5efa7afed9f47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "891df6aaf9ab50a3f08a60276656821f986ba0cad9ac4b296ba5efa7afed9f47", kill_on_drop: false }` [INFO] [stdout] 891df6aaf9ab50a3f08a60276656821f986ba0cad9ac4b296ba5efa7afed9f47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9f98899fb43ac0af1809876c469cfe320e041d70c9d82c6967a9f6986ff8ca3 [INFO] running `Command { std: "docker" "start" "-a" "e9f98899fb43ac0af1809876c469cfe320e041d70c9d82c6967a9f6986ff8ca3", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.39 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling cc v1.2.16 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling winnow v0.7.3 [INFO] [stderr] Checking smallvec v1.14.0 [INFO] [stderr] Compiling serde v1.0.218 [INFO] [stderr] Compiling rdkafka-sys v4.8.0+2.3.0 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking mio v1.0.3 [INFO] [stderr] Compiling syn v2.0.99 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Checking clap_builder v4.5.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling indexmap v2.7.1 [INFO] [stderr] Compiling libz-sys v1.1.21 [INFO] [stderr] Compiling toml_edit v0.22.24 [INFO] [stderr] Compiling serde_derive v1.0.218 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling clap_derive v4.5.28 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Checking tokio v1.43.0 [INFO] [stderr] Compiling num_enum_derive v0.7.3 [INFO] [stderr] Checking num_enum v0.7.3 [INFO] [stderr] Checking clap v4.5.31 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking rdkafka v0.37.0 [INFO] [stderr] Checking kafka-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:69:53 [INFO] [stdout] | [INFO] [stdout] 69 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 70 | | let (name, value) = match s.rsplit_once('=') { [INFO] [stdout] 71 | | Some((name, value)) => (name.to_string(), Some(value.to_string())), [INFO] [stdout] 72 | | None => (s.to_string(), None), [INFO] [stdout] ... | [INFO] [stdout] 75 | | Ok(Self { name, value }) [INFO] [stdout] 76 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | Ok(Self { name, value }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:69:53 [INFO] [stdout] | [INFO] [stdout] 69 | fn from_str(s: &str) -> Result { [INFO] [stdout] | _____________________________________________________^ [INFO] [stdout] 70 | | let (name, value) = match s.rsplit_once('=') { [INFO] [stdout] 71 | | Some((name, value)) => (name.to_string(), Some(value.to_string())), [INFO] [stdout] 72 | | None => (s.to_string(), None), [INFO] [stdout] ... | [INFO] [stdout] 75 | | Ok(Self { name, value }) [INFO] [stdout] 76 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | Ok(Self { name, value }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kafka-demo` (bin "kafka-demo" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `kafka-demo` (bin "kafka-demo") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e9f98899fb43ac0af1809876c469cfe320e041d70c9d82c6967a9f6986ff8ca3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9f98899fb43ac0af1809876c469cfe320e041d70c9d82c6967a9f6986ff8ca3", kill_on_drop: false }` [INFO] [stdout] e9f98899fb43ac0af1809876c469cfe320e041d70c9d82c6967a9f6986ff8ca3