[INFO] cloning repository https://github.com/shsamiei/AmIaRustaceans- [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shsamiei/AmIaRustaceans-" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshsamiei%2FAmIaRustaceans-", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshsamiei%2FAmIaRustaceans-'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7a571792f52b7faee418a5286fb9275ac7a119ec [INFO] testing shsamiei/AmIaRustaceans- against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshsamiei%2FAmIaRustaceans-" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/shsamiei/AmIaRustaceans- [INFO] finished tweaking git repo https://github.com/shsamiei/AmIaRustaceans- [INFO] tweaked toml for git repo https://github.com/shsamiei/AmIaRustaceans- written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/shsamiei/AmIaRustaceans- on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/shsamiei/AmIaRustaceans- 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bfd5c15ddd5c1c18a7ade13c25ce2f53e2e038183b4f2be3ddb89daab11fe37c [INFO] running `Command { std: "docker" "start" "-a" "bfd5c15ddd5c1c18a7ade13c25ce2f53e2e038183b4f2be3ddb89daab11fe37c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfd5c15ddd5c1c18a7ade13c25ce2f53e2e038183b4f2be3ddb89daab11fe37c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfd5c15ddd5c1c18a7ade13c25ce2f53e2e038183b4f2be3ddb89daab11fe37c", kill_on_drop: false }` [INFO] [stdout] bfd5c15ddd5c1c18a7ade13c25ce2f53e2e038183b4f2be3ddb89daab11fe37c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 695e8e0be9d305cea912bd9b77bcec4a29876f8f6042b6f666766d1b2487f4ae [INFO] running `Command { std: "docker" "start" "-a" "695e8e0be9d305cea912bd9b77bcec4a29876f8f6042b6f666766d1b2487f4ae", kill_on_drop: false }` [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let six = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let home = IpAddr{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let loopback = IpAddr{ [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pc` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let pc = Ip::V4(String::from("127.1.1.1")); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_loop` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let my_loop = Ip::V6(String::from("8.8.8.8")); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 32 | struct IpAddr { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 33 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 34 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | V4(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 38 - V4(String), [INFO] [stdout] 38 + V4(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 39 - V6(String), [INFO] [stdout] 39 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/main.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Color` is never constructed [INFO] [stdout] --> src/main.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AlwaysEqual` is never constructed [INFO] [stdout] --> src/main.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | struct AlwaysEqual; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user_first_approach` is never used [INFO] [stdout] --> src/main.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn build_user_first_approach(email: &String, username: &String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user_shorthand` is never used [INFO] [stdout] --> src/main.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn build_user_shorthand(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_of` is never used [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn print_type_of(_: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "695e8e0be9d305cea912bd9b77bcec4a29876f8f6042b6f666766d1b2487f4ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "695e8e0be9d305cea912bd9b77bcec4a29876f8f6042b6f666766d1b2487f4ae", kill_on_drop: false }` [INFO] [stdout] 695e8e0be9d305cea912bd9b77bcec4a29876f8f6042b6f666766d1b2487f4ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 502ee995ab255238597c1045ee8c01d18341bfd01a0284de88813bc80f62b6a1 [INFO] running `Command { std: "docker" "start" "-a" "502ee995ab255238597c1045ee8c01d18341bfd01a0284de88813bc80f62b6a1", kill_on_drop: false }` [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/main.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let six = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let home = IpAddr{ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let loopback = IpAddr{ [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pc` [INFO] [stdout] --> src/main.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let pc = Ip::V4(String::from("127.1.1.1")); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_pc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_loop` [INFO] [stdout] --> src/main.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let my_loop = Ip::V6(String::from("8.8.8.8")); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `kind` and `address` are never read [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 32 | struct IpAddr { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 33 | kind: IpAddrKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 34 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | V4(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 38 - V4(String), [INFO] [stdout] 38 + V4(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 39 - V6(String), [INFO] [stdout] 39 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/main.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Color` is never constructed [INFO] [stdout] --> src/main.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AlwaysEqual` is never constructed [INFO] [stdout] --> src/main.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | struct AlwaysEqual; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user_first_approach` is never used [INFO] [stdout] --> src/main.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn build_user_first_approach(email: &String, username: &String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user_shorthand` is never used [INFO] [stdout] --> src/main.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn build_user_shorthand(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_type_of` is never used [INFO] [stdout] --> src/main.rs:132:4 [INFO] [stdout] | [INFO] [stdout] 132 | fn print_type_of(_: &T) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "502ee995ab255238597c1045ee8c01d18341bfd01a0284de88813bc80f62b6a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "502ee995ab255238597c1045ee8c01d18341bfd01a0284de88813bc80f62b6a1", kill_on_drop: false }` [INFO] [stdout] 502ee995ab255238597c1045ee8c01d18341bfd01a0284de88813bc80f62b6a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] b0a5f253124e4f4bdb406705798dfc3a3d8fc003f0ccb3b8e2cabd4cc469d80e [INFO] running `Command { std: "docker" "start" "-a" "b0a5f253124e4f4bdb406705798dfc3a3d8fc003f0ccb3b8e2cabd4cc469d80e", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `four` [INFO] [stdout] [INFO] [stderr] --> src/main.rs:4:9 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 4 | let four = IpAddrKind::V4; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/main.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 5 | let six = IpAddrKind::V6; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let home = IpAddr{ [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `loopback` [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | let loopback = IpAddr{ [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `pc` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let pc = Ip::V4(String::from("127.1.1.1")); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_pc` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `my_loop` [INFO] [stderr] --> src/main.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let my_loop = Ip::V6(String::from("8.8.8.8")); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_loop` [INFO] [stderr] [INFO] [stderr] warning: fields `kind` and `address` are never read [INFO] [stderr] --> src/main.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 32 | struct IpAddr { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 33 | kind: IpAddrKind, [INFO] [stderr] | ^^^^ [INFO] [stderr] 34 | address: String, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:38:8 [INFO] [stderr] | [INFO] [stderr] 38 | V4(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 38 - V4(String), [INFO] [stderr] 38 + V4(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | V6(String), [INFO] [stderr] | -- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 39 - V6(String), [INFO] [stderr] 39 + V6(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: struct `User` is never constructed [INFO] [stderr] --> src/main.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | struct User { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: struct `Color` is never constructed [INFO] [stderr] --> src/main.rs:84:8 [INFO] [stderr] | [INFO] [stderr] 84 | struct Color(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Point` is never constructed [INFO] [stderr] --> src/main.rs:85:8 [INFO] [stderr] | [INFO] [stderr] 85 | struct Point(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `AlwaysEqual` is never constructed [INFO] [stderr] --> src/main.rs:88:8 [INFO] [stderr] | [INFO] [stderr] 88 | struct AlwaysEqual; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `build_user_first_approach` is never used [INFO] [stderr] --> src/main.rs:90:4 [INFO] [stderr] | [INFO] [stderr] 90 | fn build_user_first_approach(email: &String, username: &String) -> User { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `build_user_shorthand` is never used [INFO] [stderr] --> src/main.rs:101:4 [INFO] [stderr] | [INFO] [stderr] 101 | fn build_user_shorthand(email: String, username: String) -> User { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `print_type_of` is never used [INFO] [stderr] --> src/main.rs:132:4 [INFO] [stderr] | [INFO] [stderr] 132 | fn print_type_of(_: &T) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello_world` (bin "hello_world" test) generated 16 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hello_world-daa4caa21a0611f1) [INFO] running `Command { std: "docker" "inspect" "b0a5f253124e4f4bdb406705798dfc3a3d8fc003f0ccb3b8e2cabd4cc469d80e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0a5f253124e4f4bdb406705798dfc3a3d8fc003f0ccb3b8e2cabd4cc469d80e", kill_on_drop: false }` [INFO] [stdout] b0a5f253124e4f4bdb406705798dfc3a3d8fc003f0ccb3b8e2cabd4cc469d80e