[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 master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDroneBreaker%2FRust-Trial" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DroneBreaker/Rust-Trial on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0
[INFO] [stderr]       Adding async-channel v2.5.0
[INFO] [stderr]       Adding async-executor v1.13.3
[INFO] [stderr]       Adding async-global-executor v2.4.1
[INFO] [stderr]       Adding async-io v2.6.0
[INFO] [stderr]       Adding async-lock v3.4.1
[INFO] [stderr]       Adding async-std v1.13.2
[INFO] [stderr]       Adding async-task v4.7.1
[INFO] [stderr]       Adding atomic-waker v1.1.2
[INFO] [stderr]       Adding autocfg v1.5.0
[INFO] [stderr]       Adding bitflags v2.10.0
[INFO] [stderr]       Adding blocking v1.6.2
[INFO] [stderr]       Adding bumpalo v3.19.0
[INFO] [stderr]       Adding cfg-if v1.0.4
[INFO] [stderr]       Adding concurrent-queue v2.5.0
[INFO] [stderr]       Adding errno v0.3.14
[INFO] [stderr]       Adding event-listener v2.5.3
[INFO] [stderr]       Adding event-listener v5.4.1
[INFO] [stderr]       Adding event-listener-strategy v0.5.4
[INFO] [stderr]       Adding fastrand v2.3.0
[INFO] [stderr]       Adding futures-channel v0.3.31
[INFO] [stderr]       Adding futures-core v0.3.31
[INFO] [stderr]       Adding futures-io v0.3.31
[INFO] [stderr]       Adding futures-lite v2.6.1
[INFO] [stderr]       Adding gloo-timers v0.3.0
[INFO] [stderr]       Adding hermit-abi v0.5.2
[INFO] [stderr]       Adding js-sys v0.3.82
[INFO] [stderr]       Adding kv-log-macro v1.0.7
[INFO] [stderr]       Adding libc v0.2.177
[INFO] [stderr]       Adding linux-raw-sys v0.11.0
[INFO] [stderr]       Adding log v0.4.28
[INFO] [stderr]       Adding memchr v2.7.6
[INFO] [stderr]       Adding once_cell v1.21.3
[INFO] [stderr]       Adding parking v2.2.1
[INFO] [stderr]       Adding pin-project-lite v0.2.16
[INFO] [stderr]       Adding pin-utils v0.1.0
[INFO] [stderr]       Adding piper v0.2.4
[INFO] [stderr]       Adding polling v3.11.0
[INFO] [stderr]       Adding proc-macro2 v1.0.103
[INFO] [stderr]       Adding quote v1.0.41
[INFO] [stderr]       Adding rustix v1.1.2
[INFO] [stderr]       Adding rustversion v1.0.22
[INFO] [stderr]       Adding slab v0.4.11
[INFO] [stderr]       Adding syn v2.0.108
[INFO] [stderr]       Adding unicode-ident v1.0.22
[INFO] [stderr]       Adding value-bag v1.11.1
[INFO] [stderr]       Adding wasm-bindgen v0.2.105
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.55
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.105
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.105
[INFO] [stderr]       Adding web-sys v0.3.82
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]       Adding windows-sys v0.61.2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4edace6935488403cf0e1d52f7dce24a5b5736be8be81e50e285a1bf0e158ce
[INFO] running `Command { std: "docker" "start" "-a" "c4edace6935488403cf0e1d52f7dce24a5b5736be8be81e50e285a1bf0e158ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4edace6935488403cf0e1d52f7dce24a5b5736be8be81e50e285a1bf0e158ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4edace6935488403cf0e1d52f7dce24a5b5736be8be81e50e285a1bf0e158ce", kill_on_drop: false }`
[INFO] [stdout] c4edace6935488403cf0e1d52f7dce24a5b5736be8be81e50e285a1bf0e158ce
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abbdbfb8a110b124ce22886eb5a204edaebfdd2deeb808b930f8356ff03b0281
[INFO] running `Command { std: "docker" "start" "-a" "abbdbfb8a110b124ce22886eb5a204edaebfdd2deeb808b930f8356ff03b0281", kill_on_drop: false }`
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking async-io v2.6.0
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.2
[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 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 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 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 `;`, 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] 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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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] 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] [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] [stderr] error: could not compile `trial` (bin "trial" test) due to 9 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "abbdbfb8a110b124ce22886eb5a204edaebfdd2deeb808b930f8356ff03b0281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbdbfb8a110b124ce22886eb5a204edaebfdd2deeb808b930f8356ff03b0281", kill_on_drop: false }`
[INFO] [stdout] abbdbfb8a110b124ce22886eb5a204edaebfdd2deeb808b930f8356ff03b0281
