[INFO] cloning repository https://github.com/SachinMaharana/sandbox-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SachinMaharana/sandbox-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b60a5f9dcaac956dead6f7fb54a430bd0e98c2a4
[INFO] checking SachinMaharana/sandbox-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSachinMaharana%2Fsandbox-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SachinMaharana/sandbox-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SachinMaharana/sandbox-rust
[INFO] finished tweaking git repo https://github.com/SachinMaharana/sandbox-rust
[INFO] tweaked toml for git repo https://github.com/SachinMaharana/sandbox-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/SachinMaharana/sandbox-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "start" "-a" "bcbeec64aba12846589071e3f1f6aa57c0dd829a6b458c03ae0a9a56731982cc", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/bin/from.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let x: String = String::from("Hello");
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<i32>
[INFO] [stdout]  --> src/bin/docs1.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let b = Box::new(5);
[INFO] [stdout]   |             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/bin/docs1.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #![warn(box_pointers)]
[INFO] [stdout]   |             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: &Box<i32>
[INFO] [stdout]  --> src/bin/docs1.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     println!("b={}", b);
[INFO] [stdout]   |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<i32>
[INFO] [stdout]  --> src/bin/docs1.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |     println!("b={}", b);
[INFO] [stdout]   |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<List>
[INFO] [stdout]   --> src/bin/docs1.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil))))));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<List>
[INFO] [stdout]   --> src/bin/docs1.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil))))));
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<List>
[INFO] [stdout]   --> src/bin/docs1.rs:10:59
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil))))));
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<i32>
[INFO] [stdout]   --> src/bin/docs1.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let z = Box::new(x);
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type uses owned (Box type) pointers: Box<i32>
[INFO] [stdout]   --> src/bin/docs1.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     assert_eq!(5, *z);
[INFO] [stdout]    |                    ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::future::join_all`
[INFO] [stdout]  --> src/bin/asyn2.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::future::join_all;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `test`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider adding a `main` function to `src/bin/test.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sandbox` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/begin1.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let y = arr.clone();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/begin1.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let y = arr.clone();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/asyn2.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         t.await;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2799dba76666bfe21f8ff2a6ab1e8fbf4b3e5ffc95eed64321dc643ff74b0ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2799dba76666bfe21f8ff2a6ab1e8fbf4b3e5ffc95eed64321dc643ff74b0ac0", kill_on_drop: false }`
[INFO] [stdout] 2799dba76666bfe21f8ff2a6ab1e8fbf4b3e5ffc95eed64321dc643ff74b0ac0