[INFO] fetching crate iter_spread 0.1.0...
[INFO] testing iter_spread-0.1.0 against beta-2025-09-21 for beta-1.91-2
[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-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11f92dc9bd8574d52f8a71fd9c41a2d22e3bf8120caa71fc6001d5e76046561a
[INFO] running `Command { std: "docker" "start" "-a" "11f92dc9bd8574d52f8a71fd9c41a2d22e3bf8120caa71fc6001d5e76046561a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11f92dc9bd8574d52f8a71fd9c41a2d22e3bf8120caa71fc6001d5e76046561a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f92dc9bd8574d52f8a71fd9c41a2d22e3bf8120caa71fc6001d5e76046561a", kill_on_drop: false }`
[INFO] [stdout] 11f92dc9bd8574d52f8a71fd9c41a2d22e3bf8120caa71fc6001d5e76046561a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0980fd8b93fb6c031d85ffe2a681037a268dd3eba146f3baa64710af4466fc0
[INFO] running `Command { std: "docker" "start" "-a" "e0980fd8b93fb6c031d85ffe2a681037a268dd3eba146f3baa64710af4466fc0", 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 0.19s
[INFO] running `Command { std: "docker" "inspect" "e0980fd8b93fb6c031d85ffe2a681037a268dd3eba146f3baa64710af4466fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0980fd8b93fb6c031d85ffe2a681037a268dd3eba146f3baa64710af4466fc0", kill_on_drop: false }`
[INFO] [stdout] e0980fd8b93fb6c031d85ffe2a681037a268dd3eba146f3baa64710af4466fc0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 419f8897705a996e1d3eaacc3e4ed11b524f73a98e99f08bbed9c6f66c11d8dd
[INFO] running `Command { std: "docker" "start" "-a" "419f8897705a996e1d3eaacc3e4ed11b524f73a98e99f08bbed9c6f66c11d8dd", 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "419f8897705a996e1d3eaacc3e4ed11b524f73a98e99f08bbed9c6f66c11d8dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419f8897705a996e1d3eaacc3e4ed11b524f73a98e99f08bbed9c6f66c11d8dd", kill_on_drop: false }`
[INFO] [stdout] 419f8897705a996e1d3eaacc3e4ed11b524f73a98e99f08bbed9c6f66c11d8dd
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 842b94a6787a45623eeb332e9584876238b8bec3771beadfd6637b80bae31784
[INFO] running `Command { std: "docker" "start" "-a" "842b94a6787a45623eeb332e9584876238b8bec3771beadfd6637b80bae31784", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_spread-3147390606864627)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests iter_spread
[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] [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] 4 | 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] 4 | 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 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "842b94a6787a45623eeb332e9584876238b8bec3771beadfd6637b80bae31784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842b94a6787a45623eeb332e9584876238b8bec3771beadfd6637b80bae31784", kill_on_drop: false }`
[INFO] [stdout] 842b94a6787a45623eeb332e9584876238b8bec3771beadfd6637b80bae31784
