[INFO] cloning repository https://github.com/LjtGentle/rust_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LjtGentle/rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLjtGentle%2Frust_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLjtGentle%2Frust_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75a7cb424e748715f35e5d620f6e45c7e6140bd2
[INFO] documenting LjtGentle/rust_demo against 1.76.0 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLjtGentle%2Frust_demo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LjtGentle/rust_demo on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LjtGentle/rust_demo
[INFO] finished tweaking git repo https://github.com/LjtGentle/rust_demo
[INFO] tweaked toml for git repo https://github.com/LjtGentle/rust_demo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LjtGentle/rust_demo 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8d383bc1d32826d6a19f47598f640b9b58cc2a9282e550779ed47c411cb3fec
[INFO] running `Command { std: "docker" "start" "-a" "b8d383bc1d32826d6a19f47598f640b9b58cc2a9282e550779ed47c411cb3fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d383bc1d32826d6a19f47598f640b9b58cc2a9282e550779ed47c411cb3fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d383bc1d32826d6a19f47598f640b9b58cc2a9282e550779ed47c411cb3fec", kill_on_drop: false }`
[INFO] [stdout] b8d383bc1d32826d6a19f47598f640b9b58cc2a9282e550779ed47c411cb3fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57bde573e173397881a0e3a0d66cb0b0b5408acd8d19d88b0bbab3e4770370ea
[INFO] running `Command { std: "docker" "start" "-a" "57bde573e173397881a0e3a0d66cb0b0b5408acd8d19d88b0bbab3e4770370ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]     Checking adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> adder/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |         fn seat_at_table() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn take_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn serve_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn take_payment() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> adder/src/lib.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn greeting(name: &str) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> adder/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 10 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` 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: method `can_hold` is never used
[INFO] [stdout]   --> adder/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 15 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two` is never used
[INFO] [stdout]   --> adder/src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn add_two(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> adder/src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Guess {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 30 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `println_return_10` is never used
[INFO] [stdout]   --> adder/src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn println_return_10(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/fearless_concurrency.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |             thread::sleep((Duration::from_millis(1)));
[INFO] [stdout]    |                           ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             thread::sleep((Duration::from_millis(1)));
[INFO] [stdout] 14 +             thread::sleep(Duration::from_millis(1));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/smart_pointers.rs:362:47
[INFO] [stdout]     |
[INFO] [stdout] 362 |     *leaf.parent.borrow_mut() = Rc::downgrade((&branch));
[INFO] [stdout]     |                                               ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 362 -     *leaf.parent.borrow_mut() = Rc::downgrade((&branch));
[INFO] [stdout] 362 +     *leaf.parent.borrow_mut() = Rc::downgrade(&branch);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/smart_pointers.rs:386:51
[INFO] [stdout]     |
[INFO] [stdout] 386 |         *leaf.parent.borrow_mut() = Rc::downgrade((&branch));
[INFO] [stdout]     |                                                   ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 386 -         *leaf.parent.borrow_mut() = Rc::downgrade((&branch));
[INFO] [stdout] 386 +         *leaf.parent.borrow_mut() = Rc::downgrade(&branch);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_demo/index.html
[INFO] running `Command { std: "docker" "inspect" "57bde573e173397881a0e3a0d66cb0b0b5408acd8d19d88b0bbab3e4770370ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bde573e173397881a0e3a0d66cb0b0b5408acd8d19d88b0bbab3e4770370ea", kill_on_drop: false }`
[INFO] [stdout] 57bde573e173397881a0e3a0d66cb0b0b5408acd8d19d88b0bbab3e4770370ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce64311ba72390a0ae350815f07646db535fd19dff63d0e2e7fc9b219141fe40
[INFO] running `Command { std: "docker" "start" "-a" "ce64311ba72390a0ae350815f07646db535fd19dff63d0e2e7fc9b219141fe40", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `rust_demo`
[INFO] running `Command { std: "docker" "inspect" "ce64311ba72390a0ae350815f07646db535fd19dff63d0e2e7fc9b219141fe40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce64311ba72390a0ae350815f07646db535fd19dff63d0e2e7fc9b219141fe40", kill_on_drop: false }`
[INFO] [stdout] ce64311ba72390a0ae350815f07646db535fd19dff63d0e2e7fc9b219141fe40
[INFO] documenting LjtGentle/rust_demo against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLjtGentle%2Frust_demo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LjtGentle/rust_demo on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LjtGentle/rust_demo
[INFO] finished tweaking git repo https://github.com/LjtGentle/rust_demo
[INFO] tweaked toml for git repo https://github.com/LjtGentle/rust_demo written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LjtGentle/rust_demo 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 042e931ab0e5cc8334cf0d632dae0b42d1db7029d31640c16cc8cd235d7f3688
[INFO] running `Command { std: "docker" "start" "-a" "042e931ab0e5cc8334cf0d632dae0b42d1db7029d31640c16cc8cd235d7f3688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "042e931ab0e5cc8334cf0d632dae0b42d1db7029d31640c16cc8cd235d7f3688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "042e931ab0e5cc8334cf0d632dae0b42d1db7029d31640c16cc8cd235d7f3688", kill_on_drop: false }`
[INFO] [stdout] 042e931ab0e5cc8334cf0d632dae0b42d1db7029d31640c16cc8cd235d7f3688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe75a23971344c96a6575cd542891d29b5b300ebd1c3f33fdedaf3f2d2631a9
[INFO] running `Command { std: "docker" "start" "-a" "4fe75a23971344c96a6575cd542891d29b5b300ebd1c3f33fdedaf3f2d2631a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> adder/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |         fn seat_at_table() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |         fn take_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |         fn serve_order() {}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         fn take_payment() {}
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> adder/src/lib.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn greeting(name: &str) -> String {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> adder/src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | struct Rectangle {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 10 |     width: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     height: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Rectangle` 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: method `can_hold` is never used
[INFO] [stdout]   --> adder/src/lib.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Rectangle {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 15 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two` is never used
[INFO] [stdout]   --> adder/src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn add_two(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> adder/src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Guess {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 30 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `println_return_10` is never used
[INFO] [stdout]   --> adder/src/lib.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn println_return_10(num: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting rust_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/fearless_concurrency.rs:14:27
[INFO] [stdout]    |
[INFO] [stdout] 14 |             thread::sleep((Duration::from_millis(1)));
[INFO] [stdout]    |                           ^                        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -             thread::sleep((Duration::from_millis(1)));
[INFO] [stdout] 14 +             thread::sleep(Duration::from_millis(1));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/smart_pointers.rs:362:47
[INFO] [stdout]     |
[INFO] [stdout] 362 |     *leaf.parent.borrow_mut() = Rc::downgrade((&branch));
[INFO] [stdout]     |                                               ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 362 -     *leaf.parent.borrow_mut() = Rc::downgrade((&branch));
[INFO] [stdout] 362 +     *leaf.parent.borrow_mut() = Rc::downgrade(&branch);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/smart_pointers.rs:386:51
[INFO] [stdout]     |
[INFO] [stdout] 386 |         *leaf.parent.borrow_mut() = Rc::downgrade((&branch));
[INFO] [stdout]     |                                                   ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 386 -         *leaf.parent.borrow_mut() = Rc::downgrade((&branch));
[INFO] [stdout] 386 +         *leaf.parent.borrow_mut() = Rc::downgrade(&branch);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_demo/index.html
[INFO] running `Command { std: "docker" "inspect" "4fe75a23971344c96a6575cd542891d29b5b300ebd1c3f33fdedaf3f2d2631a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe75a23971344c96a6575cd542891d29b5b300ebd1c3f33fdedaf3f2d2631a9", kill_on_drop: false }`
[INFO] [stdout] 4fe75a23971344c96a6575cd542891d29b5b300ebd1c3f33fdedaf3f2d2631a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2857d3eeba5a49f6cb7b066f770a028e31b4705e2461139c2b89e4bfbcf9cc73
[INFO] running `Command { std: "docker" "start" "-a" "2857d3eeba5a49f6cb7b066f770a028e31b4705e2461139c2b89e4bfbcf9cc73", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `rust_demo`
[INFO] running `Command { std: "docker" "inspect" "2857d3eeba5a49f6cb7b066f770a028e31b4705e2461139c2b89e4bfbcf9cc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2857d3eeba5a49f6cb7b066f770a028e31b4705e2461139c2b89e4bfbcf9cc73", kill_on_drop: false }`
[INFO] [stdout] 2857d3eeba5a49f6cb7b066f770a028e31b4705e2461139c2b89e4bfbcf9cc73
