[INFO] cloning repository https://github.com/hflemmen/ipecho [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hflemmen/ipecho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhflemmen%2Fipecho", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhflemmen%2Fipecho'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f4e00acdff1f7f396212da0aa4b85207d8c21ae1 [INFO] testing hflemmen/ipecho against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhflemmen%2Fipecho" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hflemmen/ipecho on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hflemmen/ipecho [INFO] finished tweaking git repo https://github.com/hflemmen/ipecho [INFO] tweaked toml for git repo https://github.com/hflemmen/ipecho written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/hflemmen/ipecho already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 515ebb464747160170a35790a637517e7e548216457886a16621de7f078b08cb [INFO] running `Command { std: "docker" "start" "-a" "515ebb464747160170a35790a637517e7e548216457886a16621de7f078b08cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "515ebb464747160170a35790a637517e7e548216457886a16621de7f078b08cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "515ebb464747160170a35790a637517e7e548216457886a16621de7f078b08cb", kill_on_drop: false }` [INFO] [stdout] 515ebb464747160170a35790a637517e7e548216457886a16621de7f078b08cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9029c85c8d1fd46f0e29d316b30fd66aad725d0b4491f2de9d49f63ea60c4689 [INFO] running `Command { std: "docker" "start" "-a" "9029c85c8d1fd46f0e29d316b30fd66aad725d0b4491f2de9d49f63ea60c4689", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling unicode-xid v0.0.3 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling regex-syntax v0.6.23 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling pnet_base v0.27.2 [INFO] [stderr] Compiling pnet v0.27.2 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling pnet_macros_support v0.27.2 [INFO] [stderr] Compiling aho-corasick v0.7.15 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling pnet_sys v0.27.2 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling regex v1.4.5 [INFO] [stderr] Compiling ipnetwork v0.17.0 [INFO] [stderr] Compiling pnet_datalink v0.27.2 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.27.2 [INFO] [stderr] Compiling pnet_packet v0.27.2 [INFO] [stderr] Compiling pnet_transport v0.27.2 [INFO] [stderr] Compiling ipecho v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/server.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | while true { [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ipv4Addr` [INFO] [stdout] --> src/client.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{UdpSocket, Ipv4Addr}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/client.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [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: `src` [INFO] [stdout] --> src/client.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/client.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | Err(e) => "This was not utf8.", [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut socket = UdpSocket::bind("0.0.0.0:34254").unwrap(); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | socket.set_broadcast(true); [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: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut socket = UdpSocket::bind("0.0.0.0:34254")?; [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: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | socket.set_broadcast(true); [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.33s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9029c85c8d1fd46f0e29d316b30fd66aad725d0b4491f2de9d49f63ea60c4689", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9029c85c8d1fd46f0e29d316b30fd66aad725d0b4491f2de9d49f63ea60c4689", kill_on_drop: false }` [INFO] [stdout] 9029c85c8d1fd46f0e29d316b30fd66aad725d0b4491f2de9d49f63ea60c4689 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8f645cc7ae89afdd494166b9673edc537e105eaa2f411ea032cafce05e54819 [INFO] running `Command { std: "docker" "start" "-a" "c8f645cc7ae89afdd494166b9673edc537e105eaa2f411ea032cafce05e54819", kill_on_drop: false }` [INFO] [stderr] Compiling ipecho v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/server.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | while true { [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut socket = UdpSocket::bind("0.0.0.0:34254")?; [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: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | socket.set_broadcast(true); [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 import: `Ipv4Addr` [INFO] [stdout] --> src/client.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use std::net::{UdpSocket, Ipv4Addr}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/client.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [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: `src` [INFO] [stdout] --> src/client.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/client.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | Err(e) => "This was not utf8.", [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let mut socket = UdpSocket::bind("0.0.0.0:34254").unwrap(); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | socket.set_broadcast(true); [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "c8f645cc7ae89afdd494166b9673edc537e105eaa2f411ea032cafce05e54819", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8f645cc7ae89afdd494166b9673edc537e105eaa2f411ea032cafce05e54819", kill_on_drop: false }` [INFO] [stdout] c8f645cc7ae89afdd494166b9673edc537e105eaa2f411ea032cafce05e54819 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7cecc0f3da8ac8bc00076c7c0fe1d9295f5744ee070c2c02a7c7ada4cc5e0ace [INFO] running `Command { std: "docker" "start" "-a" "7cecc0f3da8ac8bc00076c7c0fe1d9295f5744ee070c2c02a7c7ada4cc5e0ace", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Ipv4Addr` [INFO] [stderr] --> src/client.rs:1:27 [INFO] [stderr] | [INFO] [stderr] 1 | use std::net::{UdpSocket, Ipv4Addr}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `amt` [INFO] [stderr] --> src/client.rs:16:14 [INFO] [stderr] | [INFO] [stderr] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [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: unused variable: `src` [INFO] [stderr] --> src/client.rs:16:19 [INFO] [stderr] | [INFO] [stderr] 16 | let (amt, src) = socket.recv_from(&mut buf).unwrap(); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_src` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/client.rs:20:17 [INFO] [stderr] | [INFO] [stderr] 20 | Err(e) => "This was not utf8.", [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/client.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let mut socket = UdpSocket::bind("0.0.0.0:34254").unwrap(); [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: unused `Result` that must be used [INFO] [stderr] --> src/client.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | socket.set_broadcast(true); [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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/server.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | while true { [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(while_true)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:15:17 [INFO] [stderr] | [INFO] [stderr] 15 | let mut socket = UdpSocket::bind("0.0.0.0:34254")?; [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: unused `Result` that must be used [INFO] [stderr] --> src/server.rs:16:13 [INFO] [stderr] | [INFO] [stderr] 16 | socket.set_broadcast(true); [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ipecho-b995ce88f091ab09) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ipecho_client-b263cdfcc6224b71) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ipecho_server-c277962fd00f49cb) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [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] [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" "7cecc0f3da8ac8bc00076c7c0fe1d9295f5744ee070c2c02a7c7ada4cc5e0ace", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cecc0f3da8ac8bc00076c7c0fe1d9295f5744ee070c2c02a7c7ada4cc5e0ace", kill_on_drop: false }` [INFO] [stdout] 7cecc0f3da8ac8bc00076c7c0fe1d9295f5744ee070c2c02a7c7ada4cc5e0ace