[INFO] fetching crate crumble 0.11.1... [INFO] testing crumble-0.11.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate crumble 0.11.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate crumble 0.11.1 [INFO] finished tweaking crates.io crate crumble 0.11.1 [INFO] tweaked toml for crates.io crate crumble 0.11.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate crumble 0.11.1 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] crate crates.io crate crumble 0.11.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1078ead213e74f60801773cdefee591aa30fcf5c2b2be31f9fa8070d206af8b3 [INFO] running `Command { std: "docker" "start" "-a" "1078ead213e74f60801773cdefee591aa30fcf5c2b2be31f9fa8070d206af8b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1078ead213e74f60801773cdefee591aa30fcf5c2b2be31f9fa8070d206af8b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1078ead213e74f60801773cdefee591aa30fcf5c2b2be31f9fa8070d206af8b3", kill_on_drop: false }` [INFO] [stdout] 1078ead213e74f60801773cdefee591aa30fcf5c2b2be31f9fa8070d206af8b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0ddc0e38bc554dea0c2cf350c7c219b0e12390e8770563d76b7add0f2b60422a [INFO] running `Command { std: "docker" "start" "-a" "0ddc0e38bc554dea0c2cf350c7c219b0e12390e8770563d76b7add0f2b60422a", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling iana-time-zone v0.1.62 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling chrono v0.4.40 [INFO] [stderr] Compiling crumble v0.11.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s [INFO] running `Command { std: "docker" "inspect" "0ddc0e38bc554dea0c2cf350c7c219b0e12390e8770563d76b7add0f2b60422a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ddc0e38bc554dea0c2cf350c7c219b0e12390e8770563d76b7add0f2b60422a", kill_on_drop: false }` [INFO] [stdout] 0ddc0e38bc554dea0c2cf350c7c219b0e12390e8770563d76b7add0f2b60422a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 266724d8881ac5bf73a3ca805f00124984e55f8f8df9b1584fa1ef9dc67d2410 [INFO] running `Command { std: "docker" "start" "-a" "266724d8881ac5bf73a3ca805f00124984e55f8f8df9b1584fa1ef9dc67d2410", kill_on_drop: false }` [INFO] [stderr] Compiling crumble v0.11.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `email` [INFO] [stdout] --> src/tests.rs:608:9 [INFO] [stdout] | [INFO] [stdout] 608 | let email = Message::new(&message); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_email` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `prepare_gmail` is never used [INFO] [stdout] --> src/tests.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn prepare_gmail() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "266724d8881ac5bf73a3ca805f00124984e55f8f8df9b1584fa1ef9dc67d2410", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "266724d8881ac5bf73a3ca805f00124984e55f8f8df9b1584fa1ef9dc67d2410", kill_on_drop: false }` [INFO] [stdout] 266724d8881ac5bf73a3ca805f00124984e55f8f8df9b1584fa1ef9dc67d2410 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 48af786a0dff41119b47d72a7b2eaf9397b7edce94679ec6b5fbddec8ac49322 [INFO] running `Command { std: "docker" "start" "-a" "48af786a0dff41119b47d72a7b2eaf9397b7edce94679ec6b5fbddec8ac49322", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `email` [INFO] [stderr] --> src/tests.rs:608:9 [INFO] [stderr] | [INFO] [stderr] 608 | let email = Message::new(&message); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_email` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `prepare_gmail` is never used [INFO] [stderr] --> src/tests.rs:34:4 [INFO] [stderr] | [INFO] [stderr] 34 | fn prepare_gmail() -> String { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `crumble` (lib test) generated 2 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crumble-fb690876dc686912) [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::empty_string ... ok [INFO] [stdout] test tests::bad_string ... ok [INFO] [stdout] test tests::parse_plain ... ok [INFO] [stdout] test tests::parse_multipart ... ok [INFO] [stdout] test tests::parse_bandcamp ... ok [INFO] [stdout] test tests::parse_pubkey ... ok [INFO] [stdout] test tests::parse_gmail ... ok [INFO] [stdout] test tests::parse_nested ... ok [INFO] [stdout] test tests::build_gmail ... ok [INFO] [stdout] test tests::build_plain ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s [INFO] [stdout] [INFO] [stderr] Doc-tests crumble [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 13) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 13) stdout ---- [INFO] [stdout] error[E0425]: cannot find function `load_mime_file` in this scope [INFO] [stdout] --> src/lib.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 6 | let message = load_mime_file(); // Example! The consumer must have some source of documents [INFO] [stdout] | ^^^^^^^^^^^^^^ not found in this scope [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:17:37 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_13_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 7 | let message = Message::new(&message)?; [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_13_0() -> Result<(), Box> { [INFO] [stdout] 5 | use crumble::Message; [INFO] [stdout] 6 | let message = load_mime_file(); // Example! The consumer must have some source of documents [INFO] [stdout] 7 | let message = Message::new(&message)?; [INFO] [stdout] 8 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0425. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 13) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "48af786a0dff41119b47d72a7b2eaf9397b7edce94679ec6b5fbddec8ac49322", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48af786a0dff41119b47d72a7b2eaf9397b7edce94679ec6b5fbddec8ac49322", kill_on_drop: false }` [INFO] [stdout] 48af786a0dff41119b47d72a7b2eaf9397b7edce94679ec6b5fbddec8ac49322