[INFO] cloning repository https://github.com/OdaDaisuke/rust-echo-server [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OdaDaisuke/rust-echo-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOdaDaisuke%2Frust-echo-server", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOdaDaisuke%2Frust-echo-server'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 930ecd0fa9703cc256fee91b9a6c07536f282d3a [INFO] checking OdaDaisuke/rust-echo-server against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOdaDaisuke%2Frust-echo-server" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/OdaDaisuke/rust-echo-server on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/OdaDaisuke/rust-echo-server [INFO] finished tweaking git repo https://github.com/OdaDaisuke/rust-echo-server [INFO] tweaked toml for git repo https://github.com/OdaDaisuke/rust-echo-server written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/OdaDaisuke/rust-echo-server already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded actix-web-actors v2.0.0 [INFO] [stderr] Downloaded actix v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae526ddb4bc689c97f7613bc334c25b00ba6322bd0973e876341149dba801de6 [INFO] running `Command { std: "docker" "start" "-a" "ae526ddb4bc689c97f7613bc334c25b00ba6322bd0973e876341149dba801de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae526ddb4bc689c97f7613bc334c25b00ba6322bd0973e876341149dba801de6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae526ddb4bc689c97f7613bc334c25b00ba6322bd0973e876341149dba801de6", kill_on_drop: false }` [INFO] [stdout] ae526ddb4bc689c97f7613bc334c25b00ba6322bd0973e876341149dba801de6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35b9f5d66dddd598c01376d295cdc5fb532f54ec9274b1f7de6bb8098cfb90eb [INFO] running `Command { std: "docker" "start" "-a" "35b9f5d66dddd598c01376d295cdc5fb532f54ec9274b1f7de6bb8098cfb90eb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling 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synstructure v0.12.4 [INFO] [stderr] Compiling derive_more v0.99.14 [INFO] [stderr] Compiling actix-macros v0.1.3 [INFO] [stderr] Compiling enum-as-inner v0.3.3 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling actix_derive v0.5.0 [INFO] [stderr] Compiling actix-web-codegen v0.2.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking brotli2 v0.3.2 [INFO] [stderr] Checking pin-project v0.4.28 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking actix-codec v0.3.0 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking actix-threadpool v0.3.3 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking actix-router v0.2.7 [INFO] [stderr] Checking actix-rt v1.1.1 [INFO] [stderr] Checking actix-service v1.0.6 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Checking actix-utils v1.0.6 [INFO] [stderr] Checking actix-utils v2.0.0 [INFO] [stderr] Checking actix-tls v1.0.0 [INFO] [stderr] Checking actix-server v1.0.4 [INFO] [stderr] Checking actix-testing v1.0.1 [INFO] [stderr] Checking trust-dns-resolver v0.18.0-alpha.2 [INFO] [stderr] Checking actix-connect v1.0.2 [INFO] [stderr] Checking actix-http v1.0.1 [INFO] [stderr] Checking awc v1.0.1 [INFO] [stderr] Checking actix v0.9.0 [INFO] [stderr] Checking actix-web v2.0.0 [INFO] [stderr] Checking actix-web-actors v2.0.0 [INFO] [stderr] Checking echo_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/udp.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/udp.rs:10:14 [INFO] [stdout] | [INFO] [stdout] 10 | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/udp.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut socket = UdpSocket::bind(addr).expect("couldn't bind to address"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/udp.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut socket = UdpSocket::bind(addr).expect("couldn't bind to address"); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/udp.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/udp.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | udp::run(); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | udp::run(); [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] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/tcp.rs:19:22 [INFO] [stdout] | [INFO] [stdout] 19 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 19 | panic!("{}", err); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 19 | std::panic::panic_any(err); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/tcp.rs:19:22 [INFO] [stdout] | [INFO] [stdout] 19 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 19 | panic!("{}", err); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 19 | std::panic::panic_any(err); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.64s [INFO] running `Command { std: "docker" "inspect" "35b9f5d66dddd598c01376d295cdc5fb532f54ec9274b1f7de6bb8098cfb90eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35b9f5d66dddd598c01376d295cdc5fb532f54ec9274b1f7de6bb8098cfb90eb", kill_on_drop: false }` [INFO] [stdout] 35b9f5d66dddd598c01376d295cdc5fb532f54ec9274b1f7de6bb8098cfb90eb