[INFO] fetching crate worldstat 0.0.1... [INFO] testing worldstat-0.0.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate worldstat 0.0.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate worldstat 0.0.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate worldstat 0.0.1 [INFO] tweaked toml for crates.io crate worldstat 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate worldstat 0.0.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate worldstat 0.0.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd55486130115bd91de1e2581baf345c74867ed17690cfad7ba668fb34a6ea42 [INFO] running `Command { std: "docker" "start" "-a" "fd55486130115bd91de1e2581baf345c74867ed17690cfad7ba668fb34a6ea42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd55486130115bd91de1e2581baf345c74867ed17690cfad7ba668fb34a6ea42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd55486130115bd91de1e2581baf345c74867ed17690cfad7ba668fb34a6ea42", kill_on_drop: false }` [INFO] [stdout] fd55486130115bd91de1e2581baf345c74867ed17690cfad7ba668fb34a6ea42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 465ed85514e93007e6e4299d18fdd79ee81bedcad8e333683585e24bf4353335 [INFO] running `Command { std: "docker" "start" "-a" "465ed85514e93007e6e4299d18fdd79ee81bedcad8e333683585e24bf4353335", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling cc v1.2.6 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling rustls-pki-types v1.10.1 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling adler2 v2.0.0 [INFO] [stderr] Compiling rustls v0.23.20 [INFO] [stderr] Compiling once_cell v1.20.2 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling serde_json v1.0.134 [INFO] [stderr] Compiling subtle v2.6.1 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling cesu8 v1.1.0 [INFO] [stderr] Compiling miniz_oxide v0.8.2 [INFO] [stderr] Compiling syn v2.0.93 [INFO] [stderr] Compiling webpki-roots v0.26.7 [INFO] [stderr] Compiling flate2 v1.0.35 [INFO] [stderr] Compiling ring v0.17.8 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Compiling zerofrom-derive v0.1.5 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.217 [INFO] [stderr] Compiling rustls-webpki v0.102.8 [INFO] [stderr] Compiling zerofrom v0.1.5 [INFO] [stderr] Compiling yoke v0.7.5 [INFO] [stderr] Compiling zerovec v0.10.4 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling serde_with_macros v3.12.0 [INFO] [stderr] Compiling tinystr v0.7.6 [INFO] [stderr] Compiling icu_collections v1.5.0 [INFO] [stderr] Compiling icu_locid v1.5.0 [INFO] [stderr] Compiling icu_provider v1.5.0 [INFO] [stderr] Compiling icu_locid_transform v1.5.0 [INFO] [stderr] Compiling icu_properties v1.5.1 [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling serde_bytes v0.11.15 [INFO] [stderr] Compiling serde_with v3.12.0 [INFO] [stderr] Compiling fastnbt v2.5.0 [INFO] [stderr] Compiling idna_adapter v1.2.0 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling ureq v2.12.1 [INFO] [stderr] Compiling worldstat v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.61s [INFO] running `Command { std: "docker" "inspect" "465ed85514e93007e6e4299d18fdd79ee81bedcad8e333683585e24bf4353335", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "465ed85514e93007e6e4299d18fdd79ee81bedcad8e333683585e24bf4353335", kill_on_drop: false }` [INFO] [stdout] 465ed85514e93007e6e4299d18fdd79ee81bedcad8e333683585e24bf4353335 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce8ad1f2208ed294e77e72ebd2018739b4c5e6e18ff310b64625fdfdd5843e2b [INFO] running `Command { std: "docker" "start" "-a" "ce8ad1f2208ed294e77e72ebd2018739b4c5e6e18ff310b64625fdfdd5843e2b", kill_on_drop: false }` [INFO] [stderr] Compiling worldstat v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.59s [INFO] running `Command { std: "docker" "inspect" "ce8ad1f2208ed294e77e72ebd2018739b4c5e6e18ff310b64625fdfdd5843e2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce8ad1f2208ed294e77e72ebd2018739b4c5e6e18ff310b64625fdfdd5843e2b", kill_on_drop: false }` [INFO] [stdout] ce8ad1f2208ed294e77e72ebd2018739b4c5e6e18ff310b64625fdfdd5843e2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7b0c938ceabccacc23f4b3282ad43e4163520a794f5d4d1cc847500269f034df [INFO] running `Command { std: "docker" "start" "-a" "7b0c938ceabccacc23f4b3282ad43e4163520a794f5d4d1cc847500269f034df", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.30s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/worldstat-68b2d430db7463db) [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests worldstat [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 21) ... FAILED [INFO] [stdout] test src/lib.rs - (line 35) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 21) 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:27:25 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_21_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 9 | let uuid = player.uuid()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_21_0() -> Result<(), Box> { [INFO] [stdout] 5 | use worldstat::player::Player; [INFO] [stdout] ... [INFO] [stdout] 13| println!("Player skin URLs: {:?}", skin_urls); [INFO] [stdout] 14+ Ok(()) [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:28:35 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_21_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 10 | let skin_urls = player.skin_urls()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_21_0() -> Result<(), Box> { [INFO] [stdout] 5 | use worldstat::player::Player; [INFO] [stdout] ... [INFO] [stdout] 13 | println!("Player skin URLs: {:?}", skin_urls); [INFO] [stdout] 14 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 35) 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:45:16 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_35_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 13 | .statistics()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_35_0() -> Result<(), Box> { [INFO] [stdout] 5 | use worldstat::{context::Context, player::Player}; [INFO] [stdout] ... [INFO] [stdout] 18 | println!("SpikeHD has crafted {} oak planks", count); [INFO] [stdout] 19 + Ok(()) [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:47:52 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_35_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 15 | let crafted = stats.crafted("minecraft:oak_planks")?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [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:48:29 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_35_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 16 | let count = crafted.as_i64()?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 21) [INFO] [stdout] src/lib.rs - (line 35) [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" "7b0c938ceabccacc23f4b3282ad43e4163520a794f5d4d1cc847500269f034df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b0c938ceabccacc23f4b3282ad43e4163520a794f5d4d1cc847500269f034df", kill_on_drop: false }` [INFO] [stdout] 7b0c938ceabccacc23f4b3282ad43e4163520a794f5d4d1cc847500269f034df