[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#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOdaDaisuke%2Frust-echo-server" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/OdaDaisuke/rust-echo-server 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/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-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] be12d37822ddffa86040e83aab5f659352e615350596669d9fa806d0707e1c76 [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" "be12d37822ddffa86040e83aab5f659352e615350596669d9fa806d0707e1c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be12d37822ddffa86040e83aab5f659352e615350596669d9fa806d0707e1c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be12d37822ddffa86040e83aab5f659352e615350596669d9fa806d0707e1c76", kill_on_drop: false }` [INFO] [stdout] be12d37822ddffa86040e83aab5f659352e615350596669d9fa806d0707e1c76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 82bc8bc52cd5d72399f0f449f32748c2616b2c4269f4db6ee5c93cffa2af6827 [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" "82bc8bc52cd5d72399f0f449f32748c2616b2c4269f4db6ee5c93cffa2af6827", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.0 [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 fnv v1.0.7 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling async-trait v0.1.50 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking 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actix_derive v0.5.0 [INFO] [stderr] Compiling actix-web-codegen v0.2.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking pin-project v0.4.28 [INFO] [stderr] Checking actix-codec v0.3.0 [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 actix-threadpool v0.3.3 [INFO] [stderr] Checking trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Checking actix-rt v1.1.1 [INFO] [stderr] Checking serde v1.0.126 [INFO] [stderr] Checking actix-utils v1.0.6 [INFO] [stderr] Checking actix-utils v2.0.0 [INFO] [stderr] Checking actix-server v1.0.4 [INFO] [stderr] Checking actix-tls v1.0.0 [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 serde_json v1.0.64 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking actix-router v0.2.7 [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: 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: 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: `#[warn(non_fmt_panics)]` on by default [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] 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: 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: 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: 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: `#[warn(non_fmt_panics)]` on by default [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] 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: 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: `#[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: 5 warnings emitted [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: `#[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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 27s [INFO] running `Command { std: "docker" "inspect" "82bc8bc52cd5d72399f0f449f32748c2616b2c4269f4db6ee5c93cffa2af6827", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82bc8bc52cd5d72399f0f449f32748c2616b2c4269f4db6ee5c93cffa2af6827", kill_on_drop: false }` [INFO] [stdout] 82bc8bc52cd5d72399f0f449f32748c2616b2c4269f4db6ee5c93cffa2af6827