[INFO] cloning repository https://github.com/haoxue-tutor/haoxue-ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haoxue-tutor/haoxue-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaoxue-tutor%2Fhaoxue-ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaoxue-tutor%2Fhaoxue-ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fc730afa06e3531d8287bc31a6d789bafc4a501
[INFO] testing haoxue-tutor/haoxue-ai against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaoxue-tutor%2Fhaoxue-ai" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haoxue-tutor/haoxue-ai on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/haoxue-tutor/haoxue-ai
[INFO] finished tweaking git repo https://github.com/haoxue-tutor/haoxue-ai
[INFO] tweaked toml for git repo https://github.com/haoxue-tutor/haoxue-ai written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/haoxue-tutor/haoxue-ai 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-blocks v0.1.8
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67fa4d38553b5e86b7c5dd9db150cd2a8238667f818cf32e27f427fd0d239618
[INFO] running `Command { std: "docker" "start" "-a" "67fa4d38553b5e86b7c5dd9db150cd2a8238667f818cf32e27f427fd0d239618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67fa4d38553b5e86b7c5dd9db150cd2a8238667f818cf32e27f427fd0d239618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67fa4d38553b5e86b7c5dd9db150cd2a8238667f818cf32e27f427fd0d239618", kill_on_drop: false }`
[INFO] [stdout] 67fa4d38553b5e86b7c5dd9db150cd2a8238667f818cf32e27f427fd0d239618
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 866ee960baede14d464017768a0b75b7451aae409cd7dd84bf78dbd61a29b9ec
[INFO] running `Command { std: "docker" "start" "-a" "866ee960baede14d464017768a0b75b7451aae409cd7dd84bf78dbd61a29b9ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-blocks v0.1.8
[INFO] [stderr]    Compiling base64 v0.21.5
[INFO] [stderr]    Compiling haoxue-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hsk3`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let hsk3 = word_set("HSK 3.txt");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hsk3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hsk4`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let hsk4 = word_set("HSK 4.txt");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hsk4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hsk5`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let hsk5 = word_set("HSK 5.txt");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hsk5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hsk6`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let hsk6 = word_set("HSK 6.txt");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hsk6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `good_set`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let good_set: HashSet<char> = HashSet::from_iter(
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_good_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "866ee960baede14d464017768a0b75b7451aae409cd7dd84bf78dbd61a29b9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866ee960baede14d464017768a0b75b7451aae409cd7dd84bf78dbd61a29b9ec", kill_on_drop: false }`
[INFO] [stdout] 866ee960baede14d464017768a0b75b7451aae409cd7dd84bf78dbd61a29b9ec
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c28e3364efe16f1a3f3318c5f4e28c02ae60afd626fb5c00afab34fca2d44cd
[INFO] running `Command { std: "docker" "start" "-a" "4c28e3364efe16f1a3f3318c5f4e28c02ae60afd626fb5c00afab34fca2d44cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling haoxue-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hsk3`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let hsk3 = word_set("HSK 3.txt");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hsk3`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hsk4`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let hsk4 = word_set("HSK 4.txt");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hsk4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hsk5`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let hsk5 = word_set("HSK 5.txt");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hsk5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hsk6`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let hsk6 = word_set("HSK 6.txt");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_hsk6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `good_set`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let good_set: HashSet<char> = HashSet::from_iter(
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_good_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `haoxue-ai` (bin "haoxue-ai" test); 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/414482f6a0d4e7290f614300581a0b55442552a3/bin/rustc --crate-name haoxue_ai --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=87d1f6c3cc780363 -C extra-filename=-8258e68104498de1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-6955b9528a176f02.rlib --extern unicode_blocks=/opt/rustwide/target/debug/deps/libunicode_blocks-025013ae710b9990.rlib --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "4c28e3364efe16f1a3f3318c5f4e28c02ae60afd626fb5c00afab34fca2d44cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c28e3364efe16f1a3f3318c5f4e28c02ae60afd626fb5c00afab34fca2d44cd", kill_on_drop: false }`
[INFO] [stdout] 4c28e3364efe16f1a3f3318c5f4e28c02ae60afd626fb5c00afab34fca2d44cd