[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] testing OdaDaisuke/rust-echo-server against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOdaDaisuke%2Frust-echo-server" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/OdaDaisuke/rust-echo-server on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-12/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded actix-web-codegen v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d9d09a77687214a40fd66867cea99ffcc78c1dc43bf62650cee7ad21a746b9b [INFO] running `Command { std: "docker" "start" "-a" "5d9d09a77687214a40fd66867cea99ffcc78c1dc43bf62650cee7ad21a746b9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d9d09a77687214a40fd66867cea99ffcc78c1dc43bf62650cee7ad21a746b9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d9d09a77687214a40fd66867cea99ffcc78c1dc43bf62650cee7ad21a746b9b", kill_on_drop: false }` [INFO] [stdout] 5d9d09a77687214a40fd66867cea99ffcc78c1dc43bf62650cee7ad21a746b9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cec6795da205582a6b46563303eb7a2ba79787cf81b49b9bf959aee8b15d19dd [INFO] running `Command { std: "docker" "start" "-a" "cec6795da205582a6b46563303eb7a2ba79787cf81b49b9bf959aee8b15d19dd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling gimli v0.24.0 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling object v0.25.3 [INFO] [stderr] Compiling tracing v0.1.26 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling derive_more v0.99.14 [INFO] [stderr] Compiling actix-macros v0.1.3 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling enum-as-inner v0.3.3 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling actix-web-codegen v0.2.2 [INFO] [stderr] Compiling actix_derive v0.5.0 [INFO] [stderr] Compiling actix-router v0.2.7 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling socket2 v0.3.19 [INFO] [stderr] Compiling hostname v0.3.1 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling flate2 v1.0.20 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling resolv-conf v0.6.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling addr2line v0.15.2 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling pin-project v1.0.7 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling pin-project v0.4.28 [INFO] [stderr] Compiling brotli2 v0.3.2 [INFO] [stderr] Compiling actix-codec v0.3.0 [INFO] [stderr] Compiling actix-codec v0.2.0 [INFO] [stderr] Compiling actix-threadpool v0.3.3 [INFO] [stderr] Compiling actix-rt v1.1.1 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling actix-service v1.0.6 [INFO] [stderr] Compiling h2 v0.2.7 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling trust-dns-proto v0.18.0-alpha.2 [INFO] [stderr] Compiling actix-utils v1.0.6 [INFO] [stderr] Compiling actix-utils v2.0.0 [INFO] [stderr] Compiling actix-tls v1.0.0 [INFO] [stderr] Compiling actix-server v1.0.4 [INFO] [stderr] Compiling actix-testing v1.0.1 [INFO] [stderr] Compiling trust-dns-resolver v0.18.0-alpha.2 [INFO] [stderr] Compiling actix-connect v1.0.2 [INFO] [stderr] Compiling actix-http v1.0.1 [INFO] [stderr] Compiling awc v1.0.1 [INFO] [stderr] Compiling actix v0.9.0 [INFO] [stderr] Compiling actix-web v2.0.0 [INFO] [stderr] Compiling actix-web-actors v2.0.0 [INFO] [stderr] Compiling 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 `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 22.00s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: actix-web v2.0.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "cec6795da205582a6b46563303eb7a2ba79787cf81b49b9bf959aee8b15d19dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cec6795da205582a6b46563303eb7a2ba79787cf81b49b9bf959aee8b15d19dd", kill_on_drop: false }` [INFO] [stdout] cec6795da205582a6b46563303eb7a2ba79787cf81b49b9bf959aee8b15d19dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fee2f46c7f365dbceb922bf248197579f0809c97033ef4a73cf9c3a50456c898 [INFO] running `Command { std: "docker" "start" "-a" "fee2f46c7f365dbceb922bf248197579f0809c97033ef4a73cf9c3a50456c898", kill_on_drop: false }` [INFO] [stderr] Compiling 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 `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 test [unoptimized + debuginfo] target(s) in 0.68s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: actix-web v2.0.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "fee2f46c7f365dbceb922bf248197579f0809c97033ef4a73cf9c3a50456c898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fee2f46c7f365dbceb922bf248197579f0809c97033ef4a73cf9c3a50456c898", kill_on_drop: false }` [INFO] [stdout] fee2f46c7f365dbceb922bf248197579f0809c97033ef4a73cf9c3a50456c898 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f389d75dff0486875740f008f37722a048cf3f8288f07a3e6239a9146d2daa5b [INFO] running `Command { std: "docker" "start" "-a" "f389d75dff0486875740f008f37722a048cf3f8288f07a3e6239a9146d2daa5b", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `amt` [INFO] [stderr] --> src/udp.rs:10:14 [INFO] [stderr] | [INFO] [stderr] 10 | let (amt, src) = socket.recv_from(&mut buf)?; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/udp.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let mut socket = UdpSocket::bind(addr).expect("couldn't bind to address"); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/udp.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/tcp.rs:19:22 [INFO] [stderr] | [INFO] [stderr] 19 | panic!(err); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 19 | panic!("{}", err); [INFO] [stderr] | +++++ [INFO] [stderr] help: or use std::panic::panic_any instead [INFO] [stderr] | [INFO] [stderr] 19 | std::panic::panic_any(err); [INFO] [stderr] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | udp::run(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `echo_server` (bin "echo_server" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: actix-web v2.0.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6` [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/echo_server-2c81c90ce8c829f5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f389d75dff0486875740f008f37722a048cf3f8288f07a3e6239a9146d2daa5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f389d75dff0486875740f008f37722a048cf3f8288f07a3e6239a9146d2daa5b", kill_on_drop: false }` [INFO] [stdout] f389d75dff0486875740f008f37722a048cf3f8288f07a3e6239a9146d2daa5b