[INFO] fetching crate marching-cubes 0.1.2...
[INFO] testing marching-cubes-0.1.2 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate marching-cubes 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate marching-cubes 0.1.2
[INFO] finished tweaking crates.io crate marching-cubes 0.1.2
[INFO] tweaked toml for crates.io crate marching-cubes 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate marching-cubes 0.1.2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db1f2341f9a4345f0c459b90b9277b9618c6359a108deb6afb49fcc9e72075e0
[INFO] running `Command { std: "docker" "start" "-a" "db1f2341f9a4345f0c459b90b9277b9618c6359a108deb6afb49fcc9e72075e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db1f2341f9a4345f0c459b90b9277b9618c6359a108deb6afb49fcc9e72075e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1f2341f9a4345f0c459b90b9277b9618c6359a108deb6afb49fcc9e72075e0", kill_on_drop: false }`
[INFO] [stdout] db1f2341f9a4345f0c459b90b9277b9618c6359a108deb6afb49fcc9e72075e0
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13f6856f5209a4305d70cabb26cebac6008cb3327066e2184c7032d551e1b75f
[INFO] running `Command { std: "docker" "start" "-a" "13f6856f5209a4305d70cabb26cebac6008cb3327066e2184c7032d551e1b75f", kill_on_drop: false }`
[INFO] [stderr]    Compiling marching-cubes v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "13f6856f5209a4305d70cabb26cebac6008cb3327066e2184c7032d551e1b75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f6856f5209a4305d70cabb26cebac6008cb3327066e2184c7032d551e1b75f", kill_on_drop: false }`
[INFO] [stdout] 13f6856f5209a4305d70cabb26cebac6008cb3327066e2184c7032d551e1b75f
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663e0ccf8dcefb0d8e2703f4c2512221db79b4b0bce767e04bd58ed98ae3542e
[INFO] running `Command { std: "docker" "start" "-a" "663e0ccf8dcefb0d8e2703f4c2512221db79b4b0bce767e04bd58ed98ae3542e", kill_on_drop: false }`
[INFO] [stderr]    Compiling marching-cubes v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "663e0ccf8dcefb0d8e2703f4c2512221db79b4b0bce767e04bd58ed98ae3542e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663e0ccf8dcefb0d8e2703f4c2512221db79b4b0bce767e04bd58ed98ae3542e", kill_on_drop: false }`
[INFO] [stdout] 663e0ccf8dcefb0d8e2703f4c2512221db79b4b0bce767e04bd58ed98ae3542e
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e3ab435e08a8a9f8c55c814ca0f7a311458d869ae3c59fcfc4c88d2779d2e4d
[INFO] running `Command { std: "docker" "start" "-a" "8e3ab435e08a8a9f8c55c814ca0f7a311458d869ae3c59fcfc4c88d2779d2e4d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/marching_cubes-02f1d6f10cc4734e)
[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 marching_cubes
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/marching.rs - marching::MarchingCubes (line 10) ... FAILED
[INFO] [stdout] test src/marching.rs - marching::polygonise (line 101) ... FAILED
[INFO] [stdout] test src/marching.rs - marching::interpolate_vertex (line 310) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/marching.rs - marching::MarchingCubes (line 10) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `iso`
[INFO] [stdout]   --> src/marching.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use iso::{MarchingCubes, GridCell, Triangle};
[INFO] [stdout]    |     ^^^ use of unresolved module or unlinked crate `iso`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `iso`, use `cargo add iso` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/marching.rs - marching::polygonise (line 101) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `iso`
[INFO] [stdout]    --> src/marching.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | use iso::{GridCell, Triangle, polygonise};
[INFO] [stdout]     |     ^^^ use of unresolved module or unlinked crate `iso`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `iso`, use `cargo add iso` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/marching.rs - marching::interpolate_vertex (line 310) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `vec3` in this scope
[INFO] [stdout]    --> src/marching.rs:311:14
[INFO] [stdout]     |
[INFO] [stdout] 311 | let point1 = vec3(0.0, 0.0, 0.0);
[INFO] [stdout]     |              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `vec3` in this scope
[INFO] [stdout]    --> src/marching.rs:312:14
[INFO] [stdout]     |
[INFO] [stdout] 312 | let point2 = vec3(1.0, 1.0, 1.0);
[INFO] [stdout]     |              ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `vec2` in this scope
[INFO] [stdout]    --> src/marching.rs:313:20
[INFO] [stdout]     |
[INFO] [stdout] 313 | let alpha_points = vec2(0.5, 0.5);
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `interpolate_vertex` in this scope
[INFO] [stdout]    --> src/marching.rs:316:14
[INFO] [stdout]     |
[INFO] [stdout] 316 | let result = interpolate_vertex(isolevel, point1, point2, alpha_points);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `vec3` in this scope
[INFO] [stdout]    --> src/marching.rs:318:20
[INFO] [stdout]     |
[INFO] [stdout] 318 | assert_eq!(result, vec3(0.5, 0.5, 0.5));
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `iso`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use iso::{MarchingCubes, GridCell, Triangle};
[INFO] [stdout]   |     ^^^ use of unresolved module or unlinked crate `iso`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `iso`, use `cargo add iso` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout]     src/marching.rs - marching::MarchingCubes (line 10)
[INFO] [stdout]     src/marching.rs - marching::interpolate_vertex (line 310)
[INFO] [stdout]     src/marching.rs - marching::polygonise (line 101)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e3ab435e08a8a9f8c55c814ca0f7a311458d869ae3c59fcfc4c88d2779d2e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3ab435e08a8a9f8c55c814ca0f7a311458d869ae3c59fcfc4c88d2779d2e4d", kill_on_drop: false }`
[INFO] [stdout] 8e3ab435e08a8a9f8c55c814ca0f7a311458d869ae3c59fcfc4c88d2779d2e4d
