[INFO] updating cached repository https://github.com/tirodactyl/rust-ngw [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47a04a2c626194df735018d8446f0a795013270e [INFO] checking tirodactyl/rust-ngw against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirodactyl%2Frust-ngw" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tirodactyl/rust-ngw on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tirodactyl/rust-ngw [INFO] finished tweaking git repo https://github.com/tirodactyl/rust-ngw [INFO] tweaked toml for git repo https://github.com/tirodactyl/rust-ngw written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/tirodactyl/rust-ngw already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] ccd87983db8f3810ab50b1f57c62694cd201d21c90c95cd0caabc4dab8635c0f [INFO] running `Command { std: "docker" "start" "-a" "ccd87983db8f3810ab50b1f57c62694cd201d21c90c95cd0caabc4dab8635c0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ccd87983db8f3810ab50b1f57c62694cd201d21c90c95cd0caabc4dab8635c0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccd87983db8f3810ab50b1f57c62694cd201d21c90c95cd0caabc4dab8635c0f", kill_on_drop: false }` [INFO] [stdout] ccd87983db8f3810ab50b1f57c62694cd201d21c90c95cd0caabc4dab8635c0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1fb7377c6853d0ff9511b8eebca7c3006a2c7514028a288668cb3fe450129b93 [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" "1fb7377c6853d0ff9511b8eebca7c3006a2c7514028a288668cb3fe450129b93", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking bytes v0.4.8 [INFO] [stderr] Checking rust-ngw v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 7 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 14 | / loop { [INFO] [stdout] 15 | | let mut buf = [0u8; 1024]; [INFO] [stdout] 16 | | let len = recv(sock, &mut buf, MsgFlags::empty())?; [INFO] [stdout] 17 | | let new_bytes = &buf[..len]; [INFO] [stdout] 18 | | [INFO] [stdout] 19 | | io::stdout().write(new_bytes); [INFO] [stdout] 20 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 21 | // println!("Hello, world!"); [INFO] [stdout] 22 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 7 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 14 | / loop { [INFO] [stdout] 15 | | let mut buf = [0u8; 1024]; [INFO] [stdout] 16 | | let len = recv(sock, &mut buf, MsgFlags::empty())?; [INFO] [stdout] 17 | | let new_bytes = &buf[..len]; [INFO] [stdout] 18 | | [INFO] [stdout] 19 | | io::stdout().write(new_bytes); [INFO] [stdout] 20 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 21 | // println!("Hello, world!"); [INFO] [stdout] 22 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | io::stdout().write(new_bytes); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | io::stdout().write(new_bytes); [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.46s [INFO] running `Command { std: "docker" "inspect" "1fb7377c6853d0ff9511b8eebca7c3006a2c7514028a288668cb3fe450129b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fb7377c6853d0ff9511b8eebca7c3006a2c7514028a288668cb3fe450129b93", kill_on_drop: false }` [INFO] [stdout] 1fb7377c6853d0ff9511b8eebca7c3006a2c7514028a288668cb3fe450129b93