[INFO] fetching crate delatin 0.2.1...
[INFO] testing delatin-0.2.1 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate delatin 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate delatin 0.2.1
[INFO] finished tweaking crates.io crate delatin 0.2.1
[INFO] tweaked toml for crates.io crate delatin 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate delatin 0.2.1 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a91f6271714f89e2e9273a279fa8e775401a51905cdf403da317fdad82e611d8
[INFO] running `Command { std: "docker" "start" "-a" "a91f6271714f89e2e9273a279fa8e775401a51905cdf403da317fdad82e611d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91f6271714f89e2e9273a279fa8e775401a51905cdf403da317fdad82e611d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91f6271714f89e2e9273a279fa8e775401a51905cdf403da317fdad82e611d8", kill_on_drop: false }`
[INFO] [stdout] a91f6271714f89e2e9273a279fa8e775401a51905cdf403da317fdad82e611d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d9adf9c577cf4f3fd077c7f0c59157f5cde9d46de77e5eb4e836bbe29bdd39e
[INFO] running `Command { std: "docker" "start" "-a" "9d9adf9c577cf4f3fd077c7f0c59157f5cde9d46de77e5eb4e836bbe29bdd39e", kill_on_drop: false }`
[INFO] [stderr]    Compiling delatin v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "9d9adf9c577cf4f3fd077c7f0c59157f5cde9d46de77e5eb4e836bbe29bdd39e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d9adf9c577cf4f3fd077c7f0c59157f5cde9d46de77e5eb4e836bbe29bdd39e", kill_on_drop: false }`
[INFO] [stdout] 9d9adf9c577cf4f3fd077c7f0c59157f5cde9d46de77e5eb4e836bbe29bdd39e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d1fb3c8c6b39bda7ec968ba6765f9808d5557956959a20d680e63404d6d9f10
[INFO] running `Command { std: "docker" "start" "-a" "2d1fb3c8c6b39bda7ec968ba6765f9808d5557956959a20d680e63404d6d9f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling delatin v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2d1fb3c8c6b39bda7ec968ba6765f9808d5557956959a20d680e63404d6d9f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1fb3c8c6b39bda7ec968ba6765f9808d5557956959a20d680e63404d6d9f10", kill_on_drop: false }`
[INFO] [stdout] 2d1fb3c8c6b39bda7ec968ba6765f9808d5557956959a20d680e63404d6d9f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d84c467c5833ab16b4269b5c09d6619a87c33cd2a7e6c5a5ecbd19c9e912f7b4
[INFO] running `Command { std: "docker" "start" "-a" "d84c467c5833ab16b4269b5c09d6619a87c33cd2a7e6c5a5ecbd19c9e912f7b4", 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/delatin-55d86a518260e61b)
[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 delatin
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 6) stdout ----
[INFO] [stdout] error[E0061]: function takes 3 arguments but 4 arguments were supplied
[INFO] [stdout]   --> src/lib.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 | let (points, triangles) = triangulate(&heights, width, height, max_error)?;
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: function defined here
[INFO] [stdout]   --> src/lib.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub fn triangulate(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] help: wrap these arguments in parentheses to construct a tuple
[INFO] [stdout]    |
[INFO] [stdout] 16 | let (points, triangles) = triangulate(&heights, (width, height), max_error)?;
[INFO] [stdout]    |                                                 +             +
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:16:74
[INFO] [stdout]    |
[INFO] [stdout]  7 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() {
[INFO] [stdout]    |                                      --------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 16 | let (points, triangles) = triangulate(&heights, width, height, max_error)?;
[INFO] [stdout]    |                                                                          ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  7 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_6_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  8 | use delatin::{triangulate, Error};
[INFO] [stdout] ...
[INFO] [stdout] 16 | let (points, triangles) = triangulate(&heights, width, height, max_error)?;
[INFO] [stdout] 17 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d84c467c5833ab16b4269b5c09d6619a87c33cd2a7e6c5a5ecbd19c9e912f7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84c467c5833ab16b4269b5c09d6619a87c33cd2a7e6c5a5ecbd19c9e912f7b4", kill_on_drop: false }`
[INFO] [stdout] d84c467c5833ab16b4269b5c09d6619a87c33cd2a7e6c5a5ecbd19c9e912f7b4
