[INFO] fetching crate unsure 0.3.0...
[INFO] testing unsure-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate unsure 0.3.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate unsure 0.3.0
[INFO] finished tweaking crates.io crate unsure 0.3.0
[INFO] tweaked toml for crates.io crate unsure 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unsure 0.3.0 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 crates.io crate unsure 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b8e98bf75d9f7c871655eb0345d9a8e7c6a871e2072c7c97c44f5545bb488485
[INFO] running `Command { std: "docker" "start" "-a" "b8e98bf75d9f7c871655eb0345d9a8e7c6a871e2072c7c97c44f5545bb488485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8e98bf75d9f7c871655eb0345d9a8e7c6a871e2072c7c97c44f5545bb488485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e98bf75d9f7c871655eb0345d9a8e7c6a871e2072c7c97c44f5545bb488485", kill_on_drop: false }`
[INFO] [stdout] b8e98bf75d9f7c871655eb0345d9a8e7c6a871e2072c7c97c44f5545bb488485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 581675a6ab5eca718c2b24528974084cd2f021cca6f8d85734b25045bbb4c07f
[INFO] running `Command { std: "docker" "start" "-a" "581675a6ab5eca718c2b24528974084cd2f021cca6f8d85734b25045bbb4c07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsure v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "581675a6ab5eca718c2b24528974084cd2f021cca6f8d85734b25045bbb4c07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581675a6ab5eca718c2b24528974084cd2f021cca6f8d85734b25045bbb4c07f", kill_on_drop: false }`
[INFO] [stdout] 581675a6ab5eca718c2b24528974084cd2f021cca6f8d85734b25045bbb4c07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 55ad9d4df534d2d96365af02d04bae4a0dc6b1ff5c15aa40b9f25f19e886a179
[INFO] running `Command { std: "docker" "start" "-a" "55ad9d4df534d2d96365af02d04bae4a0dc6b1ff5c15aa40b9f25f19e886a179", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsure v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "55ad9d4df534d2d96365af02d04bae4a0dc6b1ff5c15aa40b9f25f19e886a179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ad9d4df534d2d96365af02d04bae4a0dc6b1ff5c15aa40b9f25f19e886a179", kill_on_drop: false }`
[INFO] [stdout] 55ad9d4df534d2d96365af02d04bae4a0dc6b1ff5c15aa40b9f25f19e886a179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] de5526bcf35e6f2de42ee801df94fec90127c174904eb80191bfc768a42a4f9c
[INFO] running `Command { std: "docker" "start" "-a" "de5526bcf35e6f2de42ee801df94fec90127c174904eb80191bfc768a42a4f9c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unsure-659538e2dc6313a2)
[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] [stderr]    Doc-tests unsure
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 15) ... FAILED
[INFO] [stdout] test src/lib.rs - Unsure<T>::unwrap_or_else (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Unsure<T>::unwrap_or (line 124) ... ok
[INFO] [stdout] test src/lib.rs - Unsure<T>::unwrap (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Unsure<T>::unwrap_or_default (line 158) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 15) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `some_function_that_might_fail` in this scope
[INFO] [stdout]   --> src/lib.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let unsure_value: Unsure<i32> = some_function_that_might_fail();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.42s; merged doctests compilation took 0.07s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "de5526bcf35e6f2de42ee801df94fec90127c174904eb80191bfc768a42a4f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5526bcf35e6f2de42ee801df94fec90127c174904eb80191bfc768a42a4f9c", kill_on_drop: false }`
[INFO] [stdout] de5526bcf35e6f2de42ee801df94fec90127c174904eb80191bfc768a42a4f9c
