[INFO] cloning repository https://github.com/wilsoniya/chat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wilsoniya/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilsoniya%2Fchat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilsoniya%2Fchat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 009ff7e21a89008dd2f37851225678db0dd7d353 [INFO] checking wilsoniya/chat against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilsoniya%2Fchat" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wilsoniya/chat on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wilsoniya/chat [INFO] finished tweaking git repo https://github.com/wilsoniya/chat [INFO] tweaked toml for git repo https://github.com/wilsoniya/chat written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/wilsoniya/chat already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/leejunseok/kademlia-rs` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wincolor v0.1.4 [INFO] [stderr] Downloaded env_logger v0.5.2 [INFO] [stderr] Downloaded stun v0.0.2 [INFO] [stderr] Downloaded hyper v0.11.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b709cda95be06f52ca3abee7f3131fef22806fbc8374ff33463be9f575785a6 [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" "9b709cda95be06f52ca3abee7f3131fef22806fbc8374ff33463be9f575785a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b709cda95be06f52ca3abee7f3131fef22806fbc8374ff33463be9f575785a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b709cda95be06f52ca3abee7f3131fef22806fbc8374ff33463be9f575785a6", kill_on_drop: false }` [INFO] [stdout] 9b709cda95be06f52ca3abee7f3131fef22806fbc8374ff33463be9f575785a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTUP_TOOLCHAIN=4a04890980766cc79878135f5ade8c0c4321e943" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1073c369651cce7530ca389a62975332a2ffe1194b1497e13144f1c750547f5c [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" "1073c369651cce7530ca389a62975332a2ffe1194b1497e13144f1c750547f5c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling version_check v0.1.3 [INFO] [stderr] Checking num-traits v0.1.41 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking httparse v1.2.4 [INFO] [stderr] Checking termcolor v0.3.3 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking ansi_term v0.10.2 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking rand v0.3.20 [INFO] [stderr] Checking atty v0.2.6 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking relay v0.1.0 [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Compiling unicase v2.1.0 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking xml-rs v0.7.0 [INFO] [stderr] Checking base64 v0.9.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking stun v0.0.2 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking clap v2.29.2 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking mio v0.6.12 [INFO] [stderr] Checking regex v0.2.5 [INFO] [stderr] Checking num v0.1.41 [INFO] [stderr] Checking xmltree v0.7.0 [INFO] [stderr] Checking mime v0.3.5 [INFO] [stderr] Checking chrono v0.4.0 [INFO] [stderr] Checking tokio-core v0.1.12 [INFO] [stderr] Checking env_logger v0.5.2 [INFO] [stderr] Checking tokio-retry v0.1.1 [INFO] [stderr] Checking hyper v0.11.14 [INFO] [stderr] Checking igd v0.7.0 [INFO] [stderr] Checking kademlia v0.0.1 (https://github.com/leejunseok/kademlia-rs#c018031b) [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Result` [INFO] [stdout] --> src/udp_p2p.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ErrorKind`, `Error` [INFO] [stdout] --> src/udp_p2p.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{Error, ErrorKind}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToSocketAddrs` [INFO] [stdout] --> src/udp_p2p.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{SocketAddr, ToSocketAddrs, UdpSocket}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log` [INFO] [stdout] --> src/udp_p2p.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use log; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio_core::net::UdpSocket` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use tokio_core::net::UdpSocket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio_core::reactor::Core` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use tokio_core::reactor::Core; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::Stream` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use futures::stream::Stream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `line` is never read [INFO] [stdout] --> src/main.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let mut line = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_bytes` [INFO] [stdout] --> src/udp_p2p.rs:79:32 [INFO] [stdout] | [INFO] [stdout] 79 | ... Ok(num_bytes) => {}, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `inbound` [INFO] [stdout] --> src/udp_p2p.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | inbound: Receiver, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `outbound` [INFO] [stdout] --> src/udp_p2p.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | outbound: Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `send` [INFO] [stdout] --> src/udp_p2p.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn send(&self, dest: SocketAddr, msg: String) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | stdin.read_line(&mut line); [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/udp_p2p.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | bind_addr_tx.send(addr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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/udp_p2p.rs:55:33 [INFO] [stdout] | [INFO] [stdout] 55 | ... tx.send((remote_addr, msg.to_owned())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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/udp_p2p.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | self.outbound.send((dest, msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/udp_test.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | core.run(sender); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/udp_test.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | core.run(sender); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Result` [INFO] [stdout] --> src/udp_p2p.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ErrorKind`, `Error` [INFO] [stdout] --> src/udp_p2p.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{Error, ErrorKind}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToSocketAddrs` [INFO] [stdout] --> src/udp_p2p.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use std::net::{SocketAddr, ToSocketAddrs, UdpSocket}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log` [INFO] [stdout] --> src/udp_p2p.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use log; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio_core::net::UdpSocket` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use tokio_core::net::UdpSocket; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio_core::reactor::Core` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use tokio_core::reactor::Core; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::stream::Stream` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use futures::stream::Stream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `line` is never read [INFO] [stdout] --> src/main.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | let mut line = String::new(); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_bytes` [INFO] [stdout] --> src/udp_p2p.rs:79:32 [INFO] [stdout] | [INFO] [stdout] 79 | ... Ok(num_bytes) => {}, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bytes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `inbound` [INFO] [stdout] --> src/udp_p2p.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | inbound: Receiver, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `outbound` [INFO] [stdout] --> src/udp_p2p.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | outbound: Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `send` [INFO] [stdout] --> src/udp_p2p.rs:107:12 [INFO] [stdout] | [INFO] [stdout] 107 | pub fn send(&self, dest: SocketAddr, msg: String) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:90:9 [INFO] [stdout] | [INFO] [stdout] 90 | stdin.read_line(&mut line); [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/udp_p2p.rs:44:17 [INFO] [stdout] | [INFO] [stdout] 44 | bind_addr_tx.send(addr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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/udp_p2p.rs:55:33 [INFO] [stdout] | [INFO] [stdout] 55 | ... tx.send((remote_addr, msg.to_owned())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [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/udp_p2p.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | self.outbound.send((dest, msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.23s [INFO] running `Command { std: "docker" "inspect" "1073c369651cce7530ca389a62975332a2ffe1194b1497e13144f1c750547f5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1073c369651cce7530ca389a62975332a2ffe1194b1497e13144f1c750547f5c", kill_on_drop: false }` [INFO] [stdout] 1073c369651cce7530ca389a62975332a2ffe1194b1497e13144f1c750547f5c