[INFO] cloning repository https://github.com/tiny-browserbook/exercise-html
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiny-browserbook/exercise-html" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-html", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-html'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 510b1eaeb7bdb12d64a8ebb2fdef03dfe8910ef9
[INFO] checking tiny-browserbook/exercise-html against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-html" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiny-browserbook/exercise-html on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tiny-browserbook/exercise-html
[INFO] finished tweaking git repo https://github.com/tiny-browserbook/exercise-html
[INFO] tweaked toml for git repo https://github.com/tiny-browserbook/exercise-html written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tiny-browserbook/exercise-html 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f243dd48a825bd382345a01fdbb8c0c0ca22c10761557d46a88735c59ccbb65
[INFO] running `Command { std: "docker" "start" "-a" "0f243dd48a825bd382345a01fdbb8c0c0ca22c10761557d46a88735c59ccbb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f243dd48a825bd382345a01fdbb8c0c0ca22c10761557d46a88735c59ccbb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f243dd48a825bd382345a01fdbb8c0c0ca22c10761557d46a88735c59ccbb65", kill_on_drop: false }`
[INFO] [stdout] 0f243dd48a825bd382345a01fdbb8c0c0ca22c10761557d46a88735c59ccbb65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11916dbfdec53ea035bee7b14ff4342ec30f5c4ce75eef8b6b377430e9187bd7
[INFO] running `Command { std: "docker" "start" "-a" "11916dbfdec53ea035bee7b14ff4342ec30f5c4ce75eef8b6b377430e9187bd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking exercise-html v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 13 |     (char(' ')).map(|_| ("".to_string(), "".to_string()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 13 |     (char(' ')).map(|_| ("".to_string(), "".to_string()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 23 |     (char(' ')).map(|_| AttrMap::new())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 23 |     (char(' ')).map(|_| AttrMap::new())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 33 |     (char(' ')).map(|_| ("".to_string(), AttrMap::new()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 33 |     (char(' ')).map(|_| ("".to_string(), AttrMap::new()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 43 |     (char(' ')).map(|_| ("".to_string()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 43 |     (char(' ')).map(|_| ("".to_string()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 53 |     (char(' ')).map(|_| vec![Element::new("".into(), AttrMap::new(), vec![])])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 53 |     (char(' ')).map(|_| vec![Element::new("".into(), AttrMap::new(), vec![])])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 63 |     (char(' ')).map(|_| Element::new("".into(), AttrMap::new(), vec![]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 63 |     (char(' ')).map(|_| Element::new("".into(), AttrMap::new(), vec![]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 73 |     (char(' ')).map(|_| Element::new("".into(), AttrMap::new(), vec![]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 73 |     (char(' ')).map(|_| Element::new("".into(), AttrMap::new(), vec![]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attribute` is never used
[INFO] [stdout]  --> src/html.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn attribute<Input>() -> impl Parser<Input, Output = (String, String)>
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attributes` is never used
[INFO] [stdout]   --> src/html.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn attributes<Input>() -> impl Parser<Input, Output = AttrMap>
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_tag` is never used
[INFO] [stdout]   --> src/html.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn open_tag<Input>() -> impl Parser<Input, Output = (String, AttrMap)>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close_tag` is never used
[INFO] [stdout]   --> src/html.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn close_tag<Input>() -> impl Parser<Input, Output = String>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `text` is never used
[INFO] [stdout]   --> src/html.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn text<Input>() -> impl Parser<Input, Output = Box<Node>>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `element` is never used
[INFO] [stdout]   --> src/html.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn element<Input>() -> impl Parser<Input, Output = Box<Node>>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "11916dbfdec53ea035bee7b14ff4342ec30f5c4ce75eef8b6b377430e9187bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11916dbfdec53ea035bee7b14ff4342ec30f5c4ce75eef8b6b377430e9187bd7", kill_on_drop: false }`
[INFO] [stdout] 11916dbfdec53ea035bee7b14ff4342ec30f5c4ce75eef8b6b377430e9187bd7
[INFO] checking tiny-browserbook/exercise-html against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-html" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiny-browserbook/exercise-html on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tiny-browserbook/exercise-html
[INFO] finished tweaking git repo https://github.com/tiny-browserbook/exercise-html
[INFO] tweaked toml for git repo https://github.com/tiny-browserbook/exercise-html written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tiny-browserbook/exercise-html 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c87418ae5bb84101c84161cc62e5d87506886987fb29faaedb569e71e83dfaf7
[INFO] running `Command { std: "docker" "start" "-a" "c87418ae5bb84101c84161cc62e5d87506886987fb29faaedb569e71e83dfaf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87418ae5bb84101c84161cc62e5d87506886987fb29faaedb569e71e83dfaf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87418ae5bb84101c84161cc62e5d87506886987fb29faaedb569e71e83dfaf7", kill_on_drop: false }`
[INFO] [stdout] c87418ae5bb84101c84161cc62e5d87506886987fb29faaedb569e71e83dfaf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dtail_expr_drop_order" "-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940a3a5d942a6a9927c040a2f41f6bfd1f9e4524a8fa8a6ef126e0a8592ace23
[INFO] running `Command { std: "docker" "start" "-a" "940a3a5d942a6a9927c040a2f41f6bfd1f9e4524a8fa8a6ef126e0a8592ace23", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking exercise-html v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 13 |     (char(' ')).map(|_| ("".to_string(), "".to_string()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 13 |     (char(' ')).map(|_| ("".to_string(), "".to_string()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 23 |     (char(' ')).map(|_| AttrMap::new())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 23 |     (char(' ')).map(|_| AttrMap::new())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 33 |     (char(' ')).map(|_| ("".to_string(), AttrMap::new()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 33 |     (char(' ')).map(|_| ("".to_string(), AttrMap::new()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 43 |     (char(' ')).map(|_| ("".to_string()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 43 |     (char(' ')).map(|_| ("".to_string()))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 53 |     (char(' ')).map(|_| vec![Element::new("".into(), AttrMap::new(), vec![])])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 53 |     (char(' ')).map(|_| vec![Element::new("".into(), AttrMap::new(), vec![])])
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 63 |     (char(' ')).map(|_| Element::new("".into(), AttrMap::new(), vec![]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 63 |     (char(' ')).map(|_| Element::new("".into(), AttrMap::new(), vec![]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 73 |     (char(' ')).map(|_| Element::new("".into(), AttrMap::new(), vec![]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/html.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     todo!("you need to implement this combinator");
[INFO] [stdout]    |     ---------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 73 |     (char(' ')).map(|_| Element::new("".into(), AttrMap::new(), vec![]))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attribute` is never used
[INFO] [stdout]  --> src/html.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn attribute<Input>() -> impl Parser<Input, Output = (String, String)>
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attributes` is never used
[INFO] [stdout]   --> src/html.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn attributes<Input>() -> impl Parser<Input, Output = AttrMap>
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_tag` is never used
[INFO] [stdout]   --> src/html.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn open_tag<Input>() -> impl Parser<Input, Output = (String, AttrMap)>
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `close_tag` is never used
[INFO] [stdout]   --> src/html.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn close_tag<Input>() -> impl Parser<Input, Output = String>
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `text` is never used
[INFO] [stdout]   --> src/html.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn text<Input>() -> impl Parser<Input, Output = Box<Node>>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `element` is never used
[INFO] [stdout]   --> src/html.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn element<Input>() -> impl Parser<Input, Output = Box<Node>>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/dom.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |       pub fn new(name: String, attributes: AttrMap, children: Vec<Box<Node>>) -> Box<Node> {
[INFO] [stdout]    |                                                     ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |           Box::new(Node {
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 25 | |             node_type: NodeType::Element(Element {
[INFO] [stdout] 26 | |                 tag_name: name,
[INFO] [stdout] 27 | |                 attributes: attributes,
[INFO] [stdout] 28 | |             }),
[INFO] [stdout] 29 | |             children,
[INFO] [stdout] 30 | |         })
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercise-html` (lib) due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/dom.rs:24:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |       pub fn new(name: String, attributes: AttrMap, children: Vec<Box<Node>>) -> Box<Node> {
[INFO] [stdout]    |                                                     ------------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |           Box::new(Node {
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 25 | |             node_type: NodeType::Element(Element {
[INFO] [stdout] 26 | |                 tag_name: name,
[INFO] [stdout] 27 | |                 attributes: attributes,
[INFO] [stdout] 28 | |             }),
[INFO] [stdout] 29 | |             children,
[INFO] [stdout] 30 | |         })
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exercise-html` (lib test) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "940a3a5d942a6a9927c040a2f41f6bfd1f9e4524a8fa8a6ef126e0a8592ace23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940a3a5d942a6a9927c040a2f41f6bfd1f9e4524a8fa8a6ef126e0a8592ace23", kill_on_drop: false }`
[INFO] [stdout] 940a3a5d942a6a9927c040a2f41f6bfd1f9e4524a8fa8a6ef126e0a8592ace23