[INFO] cloning repository https://github.com/hqweay/rust-lang-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hqweay/rust-lang-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqweay%2Frust-lang-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqweay%2Frust-lang-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2e37a4f14b9f911718c8a65d9ddb00de2e0f232
[INFO] testing hqweay/rust-lang-learn against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhqweay%2Frust-lang-learn" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hqweay/rust-lang-learn
[INFO] finished tweaking git repo https://github.com/hqweay/rust-lang-learn
[INFO] tweaked toml for git repo https://github.com/hqweay/rust-lang-learn written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hqweay/rust-lang-learn on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hqweay/rust-lang-learn 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 933929eb31c91ddde06803263eb59a5f7dc3e7929286b5bb3583fce31dd6923d
[INFO] running `Command { std: "docker" "start" "-a" "933929eb31c91ddde06803263eb59a5f7dc3e7929286b5bb3583fce31dd6923d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "933929eb31c91ddde06803263eb59a5f7dc3e7929286b5bb3583fce31dd6923d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933929eb31c91ddde06803263eb59a5f7dc3e7929286b5bb3583fce31dd6923d", kill_on_drop: false }`
[INFO] [stdout] 933929eb31c91ddde06803263eb59a5f7dc3e7929286b5bb3583fce31dd6923d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df670706131dbfb9ec954110eb3dff3b18c815acc6db1af443c7eebb950c7c29
[INFO] running `Command { std: "docker" "start" "-a" "df670706131dbfb9ec954110eb3dff3b18c815acc6db1af443c7eebb950c7c29", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "df670706131dbfb9ec954110eb3dff3b18c815acc6db1af443c7eebb950c7c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df670706131dbfb9ec954110eb3dff3b18c815acc6db1af443c7eebb950c7c29", kill_on_drop: false }`
[INFO] [stdout] df670706131dbfb9ec954110eb3dff3b18c815acc6db1af443c7eebb950c7c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3cb065ad92d84ea4c375e0894aea1bcae4475878317bbdf43883ce44289b6f4
[INFO] running `Command { std: "docker" "start" "-a" "e3cb065ad92d84ea4c375e0894aea1bcae4475878317bbdf43883ce44289b6f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny-grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `haha`
[INFO] [stdout]   --> tests/test_trait.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let haha = item.divide(2);
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_haha`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "e3cb065ad92d84ea4c375e0894aea1bcae4475878317bbdf43883ce44289b6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cb065ad92d84ea4c375e0894aea1bcae4475878317bbdf43883ce44289b6f4", kill_on_drop: false }`
[INFO] [stdout] e3cb065ad92d84ea4c375e0894aea1bcae4475878317bbdf43883ce44289b6f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5eb9b4a2d213eba1c0abce42e6248806602c5d0a715a03dee71f5623c2f6f6c4
[INFO] running `Command { std: "docker" "start" "-a" "5eb9b4a2d213eba1c0abce42e6248806602c5d0a715a03dee71f5623c2f6f6c4", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `haha`
[INFO] [stderr]   --> tests/test_trait.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let haha = item.divide(2);
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_haha`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny-grep` (test "test_trait") generated 1 warning (run `cargo fix --test "test_trait" -p tiny-grep` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiny_grep-08790e4b42968142)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tiny_grep-e411941a30dd40f3)
[INFO] [stderr]      Running tests/test_closure.rs (/opt/rustwide/target/debug/deps/test_closure-0c51b024cf45a10d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test util::application::tests::run_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_3 ... ok
[INFO] [stdout] test test_1 ... ok
[INFO] [stderr]      Running tests/test_error.rs (/opt/rustwide/target/debug/deps/test_error-a4550e4140d3dccb)
[INFO] [stdout] test test_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_unwrap ... ok
[INFO] [stdout] test test_error ... ok
[INFO] [stdout] test test ... ok
[INFO] [stderr]      Running tests/test_run.rs (/opt/rustwide/target/debug/deps/test_run-d2f59ce5cc256ef6)
[INFO] [stdout] test test_match ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] error: test failed, to rerun pass `--test test_run`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/test_run-d2f59ce5cc256ef6` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "5eb9b4a2d213eba1c0abce42e6248806602c5d0a715a03dee71f5623c2f6f6c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eb9b4a2d213eba1c0abce42e6248806602c5d0a715a03dee71f5623c2f6f6c4", kill_on_drop: false }`
[INFO] [stdout] 5eb9b4a2d213eba1c0abce42e6248806602c5d0a715a03dee71f5623c2f6f6c4
