[INFO] cloning repository https://github.com/Syciz/wordlist-merger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Syciz/wordlist-merger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyciz%2Fwordlist-merger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyciz%2Fwordlist-merger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 552194b78c46a2d8e33cdc1801ee17d97c9068d8
[INFO] checking Syciz/wordlist-merger against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSyciz%2Fwordlist-merger" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Syciz/wordlist-merger
[INFO] finished tweaking git repo https://github.com/Syciz/wordlist-merger
[INFO] tweaked toml for git repo https://github.com/Syciz/wordlist-merger written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Syciz/wordlist-merger on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Syciz/wordlist-merger 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09
[INFO] running `Command { std: "docker" "start" "fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]     Checking bytes v1.12.0
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking mio v1.2.1
[INFO] [stderr]     Checking socket2 v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.7.1
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stderr]     Checking wordlist-merger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `process::exit`
[INFO] [stdout]  --> src/main.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{self, File}, io::Write, process::exit};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<String, std::io::Error>` is not a future
[INFO] [stdout]  --> src/main.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 |     match fs::read_to_string(file_name).await {
[INFO] [stdout]   |           ----------------------------- ^^^^^ `Result<String, std::io::Error>` is not a future
[INFO] [stdout]   |           |
[INFO] [stdout]   |           this call returns `Result<String, std::io::Error>`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Future` is not implemented for `Result<String, std::io::Error>`
[INFO] [stdout]   = note: Result<String, std::io::Error> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]   = note: required for `Result<String, std::io::Error>` to implement `IntoFuture`
[INFO] [stdout] help: remove the `.await`
[INFO] [stdout]   |
[INFO] [stdout] 5 -     match fs::read_to_string(file_name).await {
[INFO] [stdout] 5 +     match fs::read_to_string(file_name) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `{async block@main.rs:14:1}` to be a future that resolves to `Result<(), Error>`, but it resolves to `()`
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[tokio::main]
[INFO] [stdout]    | ^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout]    = note: required for the cast from `&{async block@src/main.rs:14:1: 14:15}` to `&dyn Future<Output = Result<(), std::io::Error>>`
[INFO] [stdout]    = note: this error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::exit`
[INFO] [stdout]  --> src/main.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::{self, File}, io::Write, process::exit};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | async fn main() -> std::io::Result<()> {
[INFO] [stdout]    |                    ------------------- expected `Result<(), std::io::Error>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 22 |     output_file.write_all(merged.as_bytes()).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: try adding an expression at the end of the block
[INFO] [stdout]    |
[INFO] [stdout] 22 ~     output_file.write_all(merged.as_bytes()).unwrap();;
[INFO] [stdout] 23 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wordlist-merger` (bin "wordlist-merger" test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: `Result<String, std::io::Error>` is not a future
[INFO] [stdout]  --> src/main.rs:5:41
[INFO] [stdout]   |
[INFO] [stdout] 5 |     match fs::read_to_string(file_name).await {
[INFO] [stdout]   |           ----------------------------- ^^^^^ `Result<String, std::io::Error>` is not a future
[INFO] [stdout]   |           |
[INFO] [stdout]   |           this call returns `Result<String, std::io::Error>`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `Future` is not implemented for `Result<String, std::io::Error>`
[INFO] [stdout]   = note: Result<String, std::io::Error> must be a future or must implement `IntoFuture` to be awaited
[INFO] [stdout]   = note: required for `Result<String, std::io::Error>` to implement `IntoFuture`
[INFO] [stdout] help: remove the `.await`
[INFO] [stdout]   |
[INFO] [stdout] 5 -     match fs::read_to_string(file_name).await {
[INFO] [stdout] 5 +     match fs::read_to_string(file_name) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `{async block@main.rs:14:1}` to be a future that resolves to `Result<(), Error>`, but it resolves to `()`
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[tokio::main]
[INFO] [stdout]    | ^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout]    = note: required for the cast from `&{async block@src/main.rs:14:1: 14:15}` to `&dyn Future<Output = Result<(), std::io::Error>>`
[INFO] [stdout]    = note: this error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | async fn main() -> std::io::Result<()> {
[INFO] [stdout]    |                    ------------------- expected `Result<(), std::io::Error>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 22 |     output_file.write_all(merged.as_bytes()).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<(), std::io::Error>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] help: try adding an expression at the end of the block
[INFO] [stdout]    |
[INFO] [stdout] 22 ~     output_file.write_all(merged.as_bytes()).unwrap();;
[INFO] [stdout] 23 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wordlist-merger` (bin "wordlist-merger") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09", kill_on_drop: false }`
[INFO] [stdout] fe7c8142fbed060d08596c288a8c501ffa8ea6e375ee69566f7e5029284a6b09
