[INFO] cloning 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" "clone" "--bare" "https://github.com/tirodactyl/rust-ngw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirodactyl%2Frust-ngw", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirodactyl%2Frust-ngw'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47a04a2c626194df735018d8446f0a795013270e [INFO] checking tirodactyl/rust-ngw against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftirodactyl%2Frust-ngw" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tirodactyl/rust-ngw on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 16d86956e80f3ab5d033e82fe888b85f8a0a76864f3b6a8d745bf796cd987c94 [INFO] running `Command { std: "docker" "start" "-a" "16d86956e80f3ab5d033e82fe888b85f8a0a76864f3b6a8d745bf796cd987c94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "16d86956e80f3ab5d033e82fe888b85f8a0a76864f3b6a8d745bf796cd987c94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16d86956e80f3ab5d033e82fe888b85f8a0a76864f3b6a8d745bf796cd987c94", kill_on_drop: false }` [INFO] [stdout] 16d86956e80f3ab5d033e82fe888b85f8a0a76864f3b6a8d745bf796cd987c94 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d953444a088d49810eadd526bc545480e7fcd683f58598aafad2cf140ad0a331 [INFO] running `Command { std: "docker" "start" "-a" "d953444a088d49810eadd526bc545480e7fcd683f58598aafad2cf140ad0a331", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking void v1.0.2 [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see issue #80165 [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: 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 `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 `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 4.21s [INFO] running `Command { std: "docker" "inspect" "d953444a088d49810eadd526bc545480e7fcd683f58598aafad2cf140ad0a331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d953444a088d49810eadd526bc545480e7fcd683f58598aafad2cf140ad0a331", kill_on_drop: false }` [INFO] [stdout] d953444a088d49810eadd526bc545480e7fcd683f58598aafad2cf140ad0a331