[INFO] cloning repository https://github.com/koralle/wordle-solver-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koralle/wordle-solver-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoralle%2Fwordle-solver-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoralle%2Fwordle-solver-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a6c174da1b19f6b71bf93624d2444a08a0c4c6f [INFO] testing koralle/wordle-solver-rust against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoralle%2Fwordle-solver-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/koralle/wordle-solver-rust [INFO] finished tweaking git repo https://github.com/koralle/wordle-solver-rust [INFO] tweaked toml for git repo https://github.com/koralle/wordle-solver-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/koralle/wordle-solver-rust on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/koralle/wordle-solver-rust 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pin-project-lite v0.2.8 [INFO] [stderr] Downloaded tokio v1.16.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b2b9137973b236af2f78cc0d56deff373ad666dfd8e5bb382f1d922880cb514 [INFO] running `Command { std: "docker" "start" "-a" "4b2b9137973b236af2f78cc0d56deff373ad666dfd8e5bb382f1d922880cb514", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b2b9137973b236af2f78cc0d56deff373ad666dfd8e5bb382f1d922880cb514", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b2b9137973b236af2f78cc0d56deff373ad666dfd8e5bb382f1d922880cb514", kill_on_drop: false }` [INFO] [stdout] 4b2b9137973b236af2f78cc0d56deff373ad666dfd8e5bb382f1d922880cb514 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c955530993af114ab68ffe747f5b21fe2b73778b01851976e4cd650a73d7904 [INFO] running `Command { std: "docker" "start" "-a" "0c955530993af114ab68ffe747f5b21fe2b73778b01851976e4cd650a73d7904", kill_on_drop: false }` [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling tokio v1.16.1 [INFO] [stderr] Compiling wordle-solver-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ErrorKind`, `Read`, and `Write` [INFO] [stdout] --> src/main.rs:2:21 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::{self, Read, Write, ErrorKind, BufReader}; [INFO] [stdout] | ^^^^ ^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:13:38 [INFO] [stdout] | [INFO] [stdout] 13 | Ok(word) => { res.append(word) }, [INFO] [stdout] | ------ ^^^^ expected `&mut Vec`, found `String` [INFO] [stdout] | | [INFO] [stdout] | arguments to this method are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected mutable reference `&mut Vec` [INFO] [stdout] found struct `String` [INFO] [stdout] note: method defined here [INFO] [stdout] --> /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/vec/mod.rs:2611:12 [INFO] [stdout] help: you might have meant to use `push` [INFO] [stdout] | [INFO] [stdout] 13 - Ok(word) => { res.append(word) }, [INFO] [stdout] 13 + Ok(word) => { res.push(word) }, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: `match` arms have incompatible types [INFO] [stdout] --> src/main.rs:13:27 [INFO] [stdout] | [INFO] [stdout] 11 | / match item { [INFO] [stdout] 12 | | Err(why) => Err(why), [INFO] [stdout] | | -------- this is found to be of type `Result<_, std::io::Error>` [INFO] [stdout] 13 | | Ok(word) => { res.append(word) }, [INFO] [stdout] | | ^^^^^^^^^^^^^^^^ expected `Result<_, Error>`, found `()` [INFO] [stdout] 14 | | } [INFO] [stdout] | |_________- `match` arms have incompatible types [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result<_, std::io::Error>` [INFO] [stdout] found unit type `()` [INFO] [stdout] help: try wrapping the expression in `Ok` [INFO] [stdout] | [INFO] [stdout] 13 | Ok(word) => { Ok(res.append(word)) }, [INFO] [stdout] | +++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let mut file = match File::open(dict_file_name) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let mut words: Vec> = BufReader::new(file).lines().collect(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `wordle-solver-rust` (bin "wordle-solver-rust") due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0c955530993af114ab68ffe747f5b21fe2b73778b01851976e4cd650a73d7904", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c955530993af114ab68ffe747f5b21fe2b73778b01851976e4cd650a73d7904", kill_on_drop: false }` [INFO] [stdout] 0c955530993af114ab68ffe747f5b21fe2b73778b01851976e4cd650a73d7904