[INFO] fetching crate iter_spread 0.1.0...
[INFO] testing iter_spread-0.1.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate iter_spread 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate iter_spread 0.1.0
[INFO] finished tweaking crates.io crate iter_spread 0.1.0
[INFO] tweaked toml for crates.io crate iter_spread 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iter_spread 0.1.0 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c74d47a850a64d7fca236b009a1ded2bcb6747293e61d432c53ec659c23dca9
[INFO] running `Command { std: "docker" "start" "-a" "8c74d47a850a64d7fca236b009a1ded2bcb6747293e61d432c53ec659c23dca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c74d47a850a64d7fca236b009a1ded2bcb6747293e61d432c53ec659c23dca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c74d47a850a64d7fca236b009a1ded2bcb6747293e61d432c53ec659c23dca9", kill_on_drop: false }`
[INFO] [stdout] 8c74d47a850a64d7fca236b009a1ded2bcb6747293e61d432c53ec659c23dca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf9a3293ff118104fc4df76d189ba78895bd38581d79383e6ed2ec49f313b84
[INFO] running `Command { std: "docker" "start" "-a" "8bf9a3293ff118104fc4df76d189ba78895bd38581d79383e6ed2ec49f313b84", kill_on_drop: false }`
[INFO] [stderr]    Compiling array-init v2.1.0
[INFO] [stderr]    Compiling iter_spread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "8bf9a3293ff118104fc4df76d189ba78895bd38581d79383e6ed2ec49f313b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf9a3293ff118104fc4df76d189ba78895bd38581d79383e6ed2ec49f313b84", kill_on_drop: false }`
[INFO] [stdout] 8bf9a3293ff118104fc4df76d189ba78895bd38581d79383e6ed2ec49f313b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be1ce1726823d537081e38ea30258e841f8844b674364ef665b55864da8b8a1b
[INFO] running `Command { std: "docker" "start" "-a" "be1ce1726823d537081e38ea30258e841f8844b674364ef665b55864da8b8a1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_spread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "be1ce1726823d537081e38ea30258e841f8844b674364ef665b55864da8b8a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1ce1726823d537081e38ea30258e841f8844b674364ef665b55864da8b8a1b", kill_on_drop: false }`
[INFO] [stdout] be1ce1726823d537081e38ea30258e841f8844b674364ef665b55864da8b8a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28e8dbdfb63354ae506211a5b9ee2a63d33b351e62306fdd09dc041b4b381687
[INFO] running `Command { std: "docker" "start" "-a" "28e8dbdfb63354ae506211a5b9ee2a63d33b351e62306fdd09dc041b4b381687", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_spread-04335e63f0498e64)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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] [stderr]    Doc-tests iter_spread
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - IterSpread::spread_array (line 9) ... FAILED
[INFO] [stdout] test src/lib.rs - IterSpread::spread_vec (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - IterSpread::spread_array (line 9) stdout ----
[INFO] [stdout] error[E0599]: no method named `spread_array` found for struct `Map<I, F>` in the current scope
[INFO] [stdout]   --> src/lib.rs:11:45
[INFO] [stdout]    |
[INFO] [stdout] 11 | let b: [Vec<f32>; 2] = a.iter().map(|a| *a).spread_array();
[INFO] [stdout]    |                                             ^^^^^^^^^^^^ method not found in `Map<std::slice::Iter<'_, {float}>, {closure@src/lib.rs:4:37: 4:40}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - IterSpread::spread_vec (line 19) stdout ----
[INFO] [stdout] error[E0599]: no method named `spread_vec` found for struct `Map<I, F>` in the current scope
[INFO] [stdout]   --> src/lib.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | let b: Vec<Vec<f32>> = a.iter().map(|a| *a).spread_vec(2);
[INFO] [stdout]    |                                             ^^^^^^^^^^ method not found in `Map<std::slice::Iter<'_, {float}>, {closure@src/lib.rs:4:37: 4:40}>`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - IterSpread::spread_array (line 9)
[INFO] [stdout]     src/lib.rs - IterSpread::spread_vec (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "28e8dbdfb63354ae506211a5b9ee2a63d33b351e62306fdd09dc041b4b381687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e8dbdfb63354ae506211a5b9ee2a63d33b351e62306fdd09dc041b4b381687", kill_on_drop: false }`
[INFO] [stdout] 28e8dbdfb63354ae506211a5b9ee2a63d33b351e62306fdd09dc041b4b381687
