[INFO] cloning repository https://github.com/proelbtn/mdns-repeater [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/proelbtn/mdns-repeater" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproelbtn%2Fmdns-repeater", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproelbtn%2Fmdns-repeater'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c29fdcf71a483cd04cf49d3385ceaaab71c2dc2 [INFO] checking proelbtn/mdns-repeater against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproelbtn%2Fmdns-repeater" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/proelbtn/mdns-repeater on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/proelbtn/mdns-repeater [INFO] finished tweaking git repo https://github.com/proelbtn/mdns-repeater [INFO] tweaked toml for git repo https://github.com/proelbtn/mdns-repeater written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/proelbtn/mdns-repeater already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 449d676813f4206503a933dc92e2829d3cd919e73ab5a8af5ccf8fb01cf8ee70 [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" "449d676813f4206503a933dc92e2829d3cd919e73ab5a8af5ccf8fb01cf8ee70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "449d676813f4206503a933dc92e2829d3cd919e73ab5a8af5ccf8fb01cf8ee70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "449d676813f4206503a933dc92e2829d3cd919e73ab5a8af5ccf8fb01cf8ee70", kill_on_drop: false }` [INFO] [stdout] 449d676813f4206503a933dc92e2829d3cd919e73ab5a8af5ccf8fb01cf8ee70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47431b3833715c056e9f58f3972fb82c4f2377b10e73e94e9b1d68757ae0e02d [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" "47431b3833715c056e9f58f3972fb82c4f2377b10e73e94e9b1d68757ae0e02d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.19.0 [INFO] [stderr] Checking env_logger v0.8.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking serde_yaml v0.8.14 [INFO] [stderr] Checking mdns-repeater v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:211:5 [INFO] [stdout] | [INFO] [stdout] 184 | / loop { [INFO] [stdout] 185 | | let num = epoll_wait(epoll_fd, &mut epoll_events, 100)?; [INFO] [stdout] 186 | | [INFO] [stdout] 187 | | 'events: for i in 0..num { [INFO] [stdout] ... | [INFO] [stdout] 209 | | } [INFO] [stdout] 210 | | }; [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 211 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:211:5 [INFO] [stdout] | [INFO] [stdout] 184 | / loop { [INFO] [stdout] 185 | | let num = epoll_wait(epoll_fd, &mut epoll_events, 100)?; [INFO] [stdout] 186 | | [INFO] [stdout] 187 | | 'events: for i in 0..num { [INFO] [stdout] ... | [INFO] [stdout] 209 | | } [INFO] [stdout] 210 | | }; [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 211 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` 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 [unoptimized + debuginfo] target(s) in 37.71s [INFO] running `Command { std: "docker" "inspect" "47431b3833715c056e9f58f3972fb82c4f2377b10e73e94e9b1d68757ae0e02d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47431b3833715c056e9f58f3972fb82c4f2377b10e73e94e9b1d68757ae0e02d", kill_on_drop: false }` [INFO] [stdout] 47431b3833715c056e9f58f3972fb82c4f2377b10e73e94e9b1d68757ae0e02d