[INFO] cloning repository https://github.com/akkaha/hello-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akkaha/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakkaha%2Fhello-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakkaha%2Fhello-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f9a2e5aaf359b827c150e461330584985d5595a [INFO] checking akkaha/hello-rust/8f9a2e5aaf359b827c150e461330584985d5595a against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakkaha%2Fhello-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/akkaha/hello-rust on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/akkaha/hello-rust [INFO] finished tweaking git repo https://github.com/akkaha/hello-rust [INFO] tweaked toml for git repo https://github.com/akkaha/hello-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/akkaha/hello-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/minigrep/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/basic-tutorial/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/webserver/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-6-tc1/source/tokio-tutorial/src/bin/tokio-hello.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `tokio-hello` [INFO] [stderr] * `example` target `tokio-hello` [INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-6-tc1/source/tokio-tutorial/src/bin/tokio-echo.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `tokio-echo` [INFO] [stderr] * `example` target `tokio-echo` [INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/tokio-tutorial/Cargo.toml: file `/workspace/builds/worker-6-tc1/source/tokio-tutorial/src/bin/tokio-connect.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `tokio-connect` [INFO] [stderr] * `example` target `tokio-connect` [INFO] [stderr] warning: /workspace/builds/worker-6-tc1/source/clap-tutorial/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v0.2.1 [INFO] [stderr] Downloaded hermit-abi v0.1.5 [INFO] [stderr] Downloaded pin-project-lite v0.1.1 [INFO] [stderr] Downloaded tokio v0.2.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7102234fb6822de837a1866d47ae5b23c69cf8329b9cedbb190f9a69c51a9a8e [INFO] running `Command { std: "docker" "start" "-a" "7102234fb6822de837a1866d47ae5b23c69cf8329b9cedbb190f9a69c51a9a8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7102234fb6822de837a1866d47ae5b23c69cf8329b9cedbb190f9a69c51a9a8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7102234fb6822de837a1866d47ae5b23c69cf8329b9cedbb190f9a69c51a9a8e", kill_on_drop: false }` [INFO] [stdout] 7102234fb6822de837a1866d47ae5b23c69cf8329b9cedbb190f9a69c51a9a8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2baee16721c6ccce895b9404a414e71ab6a83fb8d1b6da2138ef64c912e734f6 [INFO] running `Command { std: "docker" "start" "-a" "2baee16721c6ccce895b9404a414e71ab6a83fb8d1b6da2138ef64c912e734f6", kill_on_drop: false }` [INFO] [stderr] warning: /opt/rustwide/workdir/webserver/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-echo.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `tokio-echo` [INFO] [stderr] * `example` target `tokio-echo` [INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-connect.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `tokio-connect` [INFO] [stderr] * `example` target `tokio-connect` [INFO] [stderr] warning: /opt/rustwide/workdir/tokio-tutorial/Cargo.toml: file `/opt/rustwide/workdir/tokio-tutorial/src/bin/tokio-hello.rs` found to be present in multiple build targets: [INFO] [stderr] * `bin` target `tokio-hello` [INFO] [stderr] * `example` target `tokio-hello` [INFO] [stderr] warning: /opt/rustwide/workdir/clap-tutorial/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: /opt/rustwide/workdir/basic-tutorial/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: /opt/rustwide/workdir/minigrep/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking basic-tutorial v0.1.0 (/opt/rustwide/workdir/basic-tutorial) [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking webserver v0.1.0 (/opt/rustwide/workdir/webserver) [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Checking bytes-tutorial v0.1.0 (/opt/rustwide/workdir/bytes-tutorial) [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> basic-tutorial/src/struct_test.rs:11:14 [INFO] [stdout] | [INFO] [stdout] 11 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> basic-tutorial/src/struct_test.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> basic-tutorial/src/rc_test.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | Cons(i32, Rc), [INFO] [stdout] | ---- ^^^ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 6 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> basic-tutorial/src/struct_test.rs:11:14 [INFO] [stdout] | [INFO] [stdout] 11 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> basic-tutorial/src/struct_test.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> basic-tutorial/src/box_test.rs:43:10 [INFO] [stdout] | [INFO] [stdout] 43 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 43 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> basic-tutorial/src/box_test.rs:43:10 [INFO] [stdout] | [INFO] [stdout] 43 | Cons(i32, Box), [INFO] [stdout] | ---- ^^^ ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 43 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> basic-tutorial/src/rc_test.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | Cons(i32, Rc), [INFO] [stdout] | ---- ^^^ ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 6 | Cons((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> basic-tutorial/src/enum_test.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct IpAddr { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 12 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> basic-tutorial/src/enum_test.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | V4(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | V4(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> basic-tutorial/src/enum_test.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 | V6(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> basic-tutorial/src/enum_test.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 24 | V4((), (), (), ()), [INFO] [stdout] | ~~ ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> basic-tutorial/src/enum_test.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | struct IpAddr { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 12 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> basic-tutorial/src/enum_test.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | V4(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | V4(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> basic-tutorial/src/enum_test.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr2` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 | V6(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> basic-tutorial/src/enum_test.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `IpAddr3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 24 | V4((), (), (), ()), [INFO] [stdout] | ~~ ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking clap-tutorial v0.1.0 (/opt/rustwide/workdir/clap-tutorial) [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking tokio v0.2.5 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking tokio-tutorial v0.1.0 (/opt/rustwide/workdir/tokio-tutorial) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.29s [INFO] running `Command { std: "docker" "inspect" "2baee16721c6ccce895b9404a414e71ab6a83fb8d1b6da2138ef64c912e734f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2baee16721c6ccce895b9404a414e71ab6a83fb8d1b6da2138ef64c912e734f6", kill_on_drop: false }` [INFO] [stdout] 2baee16721c6ccce895b9404a414e71ab6a83fb8d1b6da2138ef64c912e734f6