[INFO] cloning repository https://github.com/DroneBreaker/Rust-Trial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DroneBreaker/Rust-Trial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDroneBreaker%2FRust-Trial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDroneBreaker%2FRust-Trial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84f1c43771eb69030069e9f1feb38ed8291cbaf0
[INFO] checking DroneBreaker/Rust-Trial against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDroneBreaker%2FRust-Trial" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DroneBreaker/Rust-Trial
[INFO] finished tweaking git repo https://github.com/DroneBreaker/Rust-Trial
[INFO] tweaked toml for git repo https://github.com/DroneBreaker/Rust-Trial written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DroneBreaker/Rust-Trial on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DroneBreaker/Rust-Trial 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0
[INFO] [stderr]       Adding async-channel v2.3.1
[INFO] [stderr]       Adding async-executor v1.13.2
[INFO] [stderr]       Adding async-global-executor v2.4.1
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[INFO] [stderr]       Adding async-std v1.13.1
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[INFO] [stderr]       Adding atomic-waker v1.1.2
[INFO] [stderr]       Adding bitflags v2.9.1
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[INFO] [stderr]       Adding cfg-if v1.0.1
[INFO] [stderr]       Adding concurrent-queue v2.5.0
[INFO] [stderr]       Adding errno v0.3.13
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[INFO] [stderr]       Adding libc v0.2.174
[INFO] [stderr]       Adding linux-raw-sys v0.9.4
[INFO] [stderr]       Adding log v0.4.27
[INFO] [stderr]       Adding memchr v2.7.5
[INFO] [stderr]       Adding once_cell v1.21.3
[INFO] [stderr]       Adding parking v2.2.1
[INFO] [stderr]       Adding pin-project-lite v0.2.16
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[INFO] [stderr]       Adding polling v3.8.0
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[INFO] [stderr]       Adding rustix v1.0.7
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6a332d638aa2c7dc18207a0d4d52a170809be2ca7f5442b74a5c6e7afaf7f9a
[INFO] running `Command { std: "docker" "start" "-a" "e6a332d638aa2c7dc18207a0d4d52a170809be2ca7f5442b74a5c6e7afaf7f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a332d638aa2c7dc18207a0d4d52a170809be2ca7f5442b74a5c6e7afaf7f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a332d638aa2c7dc18207a0d4d52a170809be2ca7f5442b74a5c6e7afaf7f9a", kill_on_drop: false }`
[INFO] [stdout] e6a332d638aa2c7dc18207a0d4d52a170809be2ca7f5442b74a5c6e7afaf7f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35d36d962fd57f6f115fa505af31866537b33ff84f294d9ce750643692db1aa
[INFO] running `Command { std: "docker" "start" "-a" "d35d36d962fd57f6f115fa505af31866537b33ff84f294d9ce750643692db1aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking async-executor v1.13.2
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking polling v3.8.0
[INFO] [stderr]     Checking async-io v2.4.1
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.1
[INFO] [stderr]     Checking trial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `async`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | mod async;
[INFO] [stdout]    |     ^^^^^ expected identifier, found keyword
[INFO] [stdout]    |
[INFO] [stdout] help: escape `async` to use it as an identifier
[INFO] [stdout]    |
[INFO] [stdout] 22 | mod r#async;
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `move`, `use`, `{`, `|`, or `||`, found `::`
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 |     async::asyncronous();
[INFO] [stdout]    |          ^^ expected one of `move`, `use`, `{`, `|`, or `||`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `pub`
[INFO] [stdout]  --> src/async.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::{fs::File, io, prelude::*, task}
[INFO] [stdout]   |                                                ^ help: add `;` here
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | pub fn asyncronous() {
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,` following `match` arm
[INFO] [stdout]   --> src/async.rs:16:39
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Ok(k) => println!("{}", k)
[INFO] [stdout]    |                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: missing a comma here to end this `match` arm
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Ok(k) => println!("{}", k),
[INFO] [stdout]    |                                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `match`
[INFO] [stdout]   --> src/async.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let result = read_file("read.txt").await?
[INFO] [stdout]    |                                                  ^ help: add `;` here
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |         match result {
[INFO] [stdout]    |         ----- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]   --> src/async.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     })
[INFO] [stdout]    |       ^ help: add `;` here
[INFO] [stdout] 20 | }
[INFO] [stdout]    | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found keyword `async`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | mod async;
[INFO] [stdout]    |     ^^^^^ expected identifier, found keyword
[INFO] [stdout]    |
[INFO] [stdout] help: escape `async` to use it as an identifier
[INFO] [stdout]    |
[INFO] [stdout] 22 | mod r#async;
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `move`, `use`, `{`, `|`, or `||`, found `::`
[INFO] [stdout]   --> src/main.rs:75:10
[INFO] [stdout]    |
[INFO] [stdout] 75 |     async::asyncronous();
[INFO] [stdout]    |          ^^ expected one of `move`, `use`, `{`, `|`, or `||`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `pub`
[INFO] [stdout]  --> src/async.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::{fs::File, io, prelude::*, task}
[INFO] [stdout]   |                                                ^ help: add `;` here
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | pub fn asyncronous() {
[INFO] [stdout]   | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,` following `match` arm
[INFO] [stdout]   --> src/async.rs:16:39
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Ok(k) => println!("{}", k)
[INFO] [stdout]    |                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: missing a comma here to end this `match` arm
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Ok(k) => println!("{}", k),
[INFO] [stdout]    |                                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `match`
[INFO] [stdout]   --> src/async.rs:13:50
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let result = read_file("read.txt").await?
[INFO] [stdout]    |                                                  ^ help: add `;` here
[INFO] [stdout] 14 |
[INFO] [stdout] 15 |         match result {
[INFO] [stdout]    |         ----- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found `}`
[INFO] [stdout]   --> src/async.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |     })
[INFO] [stdout]    |       ^ help: add `;` here
[INFO] [stdout] 20 | }
[INFO] [stdout]    | - unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/async.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         match result {
[INFO] [stdout]    |               ------ this expression has type `String`
[INFO] [stdout] 16 |             Ok(k) => println!("{}", k)
[INFO] [stdout]    |             ^^^^^ expected `String`, found `Result<_, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `String`
[INFO] [stdout]                 found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/async.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         match result {
[INFO] [stdout]    |               ------ this expression has type `String`
[INFO] [stdout] 16 |             Ok(k) => println!("{}", k)
[INFO] [stdout] 17 |             Err(e) => println!("Error reading from file: {}", e)
[INFO] [stdout]    |             ^^^^^^ expected `String`, found `Result<_, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `String`
[INFO] [stdout]                 found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/async.rs:13:49
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let task = task::spawn(async {
[INFO] [stdout]    |                            ----- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 13 |         let result = read_file("read.txt").await?
[INFO] [stdout]    |                                                 ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]  --> src/concurrency.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let val = String::from("Transmitting!");
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/async.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         match result {
[INFO] [stdout]    |               ------ this expression has type `String`
[INFO] [stdout] 16 |             Ok(k) => println!("{}", k)
[INFO] [stdout]    |             ^^^^^ expected `String`, found `Result<_, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `String`
[INFO] [stdout]                 found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/data_types.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let y: u8 = 10;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/async.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         match result {
[INFO] [stdout]    |               ------ this expression has type `String`
[INFO] [stdout] 16 |             Ok(k) => println!("{}", k)
[INFO] [stdout] 17 |             Err(e) => println!("Error reading from file: {}", e)
[INFO] [stdout]    |             ^^^^^^ expected `String`, found `Result<_, _>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `String`
[INFO] [stdout]                 found enum `Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/async.rs:13:49
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let task = task::spawn(async {
[INFO] [stdout]    |                            ----- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 13 |         let result = read_file("read.txt").await?
[INFO] [stdout]    |                                                 ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]  --> src/concurrency.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let val = String::from("Transmitting!");
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/data_types.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let y: u8 = 10;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trial` (bin "trial") due to 9 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trial` (bin "trial" test) due to 9 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d35d36d962fd57f6f115fa505af31866537b33ff84f294d9ce750643692db1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35d36d962fd57f6f115fa505af31866537b33ff84f294d9ce750643692db1aa", kill_on_drop: false }`
[INFO] [stdout] d35d36d962fd57f6f115fa505af31866537b33ff84f294d9ce750643692db1aa
