[INFO] cloning repository https://github.com/wiryaa23/advprog-modul6
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wiryaa23/advprog-modul6" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiryaa23%2Fadvprog-modul6", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiryaa23%2Fadvprog-modul6'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6172c569dfb37cad16865d0e17b0e24fc1f5026
[INFO] checking wiryaa23/advprog-modul6 against try#29194e8f603400afdb2f86c9418e9fccb1628ea0 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwiryaa23%2Fadvprog-modul6" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wiryaa23/advprog-modul6
[INFO] finished tweaking git repo https://github.com/wiryaa23/advprog-modul6
[INFO] tweaked toml for git repo https://github.com/wiryaa23/advprog-modul6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wiryaa23/advprog-modul6 on toolchain 29194e8f603400afdb2f86c9418e9fccb1628ea0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wiryaa23/advprog-modul6 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" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b49b77690c3b7a0a10a94b50717ff85a169741300be3d50e567edf42a6cc0afa
[INFO] running `Command { std: "docker" "start" "-a" "b49b77690c3b7a0a10a94b50717ff85a169741300be3d50e567edf42a6cc0afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b49b77690c3b7a0a10a94b50717ff85a169741300be3d50e567edf42a6cc0afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49b77690c3b7a0a10a94b50717ff85a169741300be3d50e567edf42a6cc0afa", kill_on_drop: false }`
[INFO] [stdout] b49b77690c3b7a0a10a94b50717ff85a169741300be3d50e567edf42a6cc0afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+29194e8f603400afdb2f86c9418e9fccb1628ea0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 477fc21902632601f3b002f9d7d192f4fd3a1128330dd2c8c34bdc333f1db4d3
[INFO] running `Command { std: "docker" "start" "-a" "477fc21902632601f3b002f9d7d192f4fd3a1128330dd2c8c34bdc333f1db4d3", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 7 |     workers: Vec<Worker>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 43 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `thread` are never read
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 43 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `process`
[INFO] [stdout]   --> src/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             process::exit(1);
[INFO] [stdout]    |             ^^^^^^^ use of unresolved module or unlinked crate `process`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `process`, use `cargo add process` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::process;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `process`
[INFO] [stdout]   --> src/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             process::exit(1);
[INFO] [stdout]    |             ^^^^^^^ use of unresolved module or unlinked crate `process`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `process`, use `cargo add process` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::process;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]   --> src/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |       let pool = match ThreadPool::build(4) {
[INFO] [stdout]    |  ________________-
[INFO] [stdout] 14 | |         Ok(pool) => pool,
[INFO] [stdout]    | |                     ---- this is found to be of type `ThreadPool`
[INFO] [stdout] 15 | |         Err(err) => {
[INFO] [stdout] 16 | |             eprintln!("Error: {}", err);
[INFO] [stdout] 17 | |             process::exit(1);
[INFO] [stdout]    | |             ^^^^^^^^^^^^^^^^^ expected `ThreadPool`, found `()`
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     };
[INFO] [stdout]    | |_____- `match` arms have incompatible types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `match` arms have incompatible types
[INFO] [stdout]   --> src/main.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |       let pool = match ThreadPool::build(4) {
[INFO] [stdout]    |  ________________-
[INFO] [stdout] 14 | |         Ok(pool) => pool,
[INFO] [stdout]    | |                     ---- this is found to be of type `ThreadPool`
[INFO] [stdout] 15 | |         Err(err) => {
[INFO] [stdout] 16 | |             eprintln!("Error: {}", err);
[INFO] [stdout] 17 | |             process::exit(1);
[INFO] [stdout]    | |             ^^^^^^^^^^^^^^^^^ expected `ThreadPool`, found `()`
[INFO] [stdout] 18 | |         }
[INFO] [stdout] 19 | |     };
[INFO] [stdout]    | |_____- `match` arms have incompatible types
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello` (bin "hello") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `hello` (bin "hello" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "477fc21902632601f3b002f9d7d192f4fd3a1128330dd2c8c34bdc333f1db4d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477fc21902632601f3b002f9d7d192f4fd3a1128330dd2c8c34bdc333f1db4d3", kill_on_drop: false }`
[INFO] [stdout] 477fc21902632601f3b002f9d7d192f4fd3a1128330dd2c8c34bdc333f1db4d3