[INFO] fetching crate flexi_func 0.2.7... [INFO] testing flexi_func-0.2.7 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate flexi_func 0.2.7 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate flexi_func 0.2.7 [INFO] finished tweaking crates.io crate flexi_func 0.2.7 [INFO] tweaked toml for crates.io crate flexi_func 0.2.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flexi_func 0.2.7 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 5 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.106) [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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2653a1aec54d113c8075f1d822ab360b6eaabe42e449934c52b5b865ff101a8b [INFO] running `Command { std: "docker" "start" "-a" "2653a1aec54d113c8075f1d822ab360b6eaabe42e449934c52b5b865ff101a8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2653a1aec54d113c8075f1d822ab360b6eaabe42e449934c52b5b865ff101a8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2653a1aec54d113c8075f1d822ab360b6eaabe42e449934c52b5b865ff101a8b", kill_on_drop: false }` [INFO] [stdout] 2653a1aec54d113c8075f1d822ab360b6eaabe42e449934c52b5b865ff101a8b [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 138f2aa7c8c9e7f940d573936e8fa3508a73eb5a98d9ab3cbaa9710482522f41 [INFO] running `Command { std: "docker" "start" "-a" "138f2aa7c8c9e7f940d573936e8fa3508a73eb5a98d9ab3cbaa9710482522f41", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling flexi_func_declarative v0.2.7 [INFO] [stderr] Compiling flexi_func v0.2.7 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s [INFO] running `Command { std: "docker" "inspect" "138f2aa7c8c9e7f940d573936e8fa3508a73eb5a98d9ab3cbaa9710482522f41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "138f2aa7c8c9e7f940d573936e8fa3508a73eb5a98d9ab3cbaa9710482522f41", kill_on_drop: false }` [INFO] [stdout] 138f2aa7c8c9e7f940d573936e8fa3508a73eb5a98d9ab3cbaa9710482522f41 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7977f6d1d44dbf325484713036a8393825c0b53e9e04ae80395fb190e708c497 [INFO] running `Command { std: "docker" "start" "-a" "7977f6d1d44dbf325484713036a8393825c0b53e9e04ae80395fb190e708c497", kill_on_drop: false }` [INFO] [stderr] Compiling flexi_func v0.2.7 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "7977f6d1d44dbf325484713036a8393825c0b53e9e04ae80395fb190e708c497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7977f6d1d44dbf325484713036a8393825c0b53e9e04ae80395fb190e708c497", kill_on_drop: false }` [INFO] [stdout] 7977f6d1d44dbf325484713036a8393825c0b53e9e04ae80395fb190e708c497 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 344de82279ec838fdfdacf3ade9302975d57920dc5a6caed9347556536a37e84 [INFO] running `Command { std: "docker" "start" "-a" "344de82279ec838fdfdacf3ade9302975d57920dc5a6caed9347556536a37e84", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexi_func-4ce768d2571c874e) [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 flexi_func [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - ff (line 21) ... FAILED [INFO] [stdout] test src/lib.rs - ff (line 49) ... FAILED [INFO] [stdout] test src/lib.rs - ff (line 36) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - ff (line 21) stdout ---- [INFO] [stdout] error[E0599]: no method named `map_err` found for type `usize` in the current scope [INFO] [stdout] --> src/lib.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[ff] [INFO] [stdout] | ^^^^^ method not found in `usize` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the attribute macro `ff` (in Nightly builds, run with -Z macro-backtrace for more info) [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 - ff (line 49) stdout ---- [INFO] [stdout] error: cannot find attribute `ff` in this scope [INFO] [stdout] --> src/lib.rs:50:3 [INFO] [stdout] | [INFO] [stdout] 3 | #[ff(async_fn_name = "custom_async")] [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this attribute macro [INFO] [stdout] | [INFO] [stdout] 2 + use flexi_func::ff; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - ff (line 36) stdout ---- [INFO] [stdout] error: cannot find attribute `ff` in this scope [INFO] [stdout] --> src/lib.rs:37:3 [INFO] [stdout] | [INFO] [stdout] 3 | #[ff(error_type = "MyError")] [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this attribute macro [INFO] [stdout] | [INFO] [stdout] 2 + use flexi_func::ff; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0412]: cannot find type `MyError` in this scope [INFO] [stdout] --> src/lib.rs:38:51 [INFO] [stdout] | [INFO] [stdout] 4 | fn example_with_error(s: String) -> Result { [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: you might be missing a type parameter [INFO] [stdout] | [INFO] [stdout] 4 | fn example_with_error(s: String) -> Result { [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 E0412`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - ff (line 21) [INFO] [stdout] src/lib.rs - ff (line 36) [INFO] [stdout] src/lib.rs - ff (line 49) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "344de82279ec838fdfdacf3ade9302975d57920dc5a6caed9347556536a37e84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "344de82279ec838fdfdacf3ade9302975d57920dc5a6caed9347556536a37e84", kill_on_drop: false }` [INFO] [stdout] 344de82279ec838fdfdacf3ade9302975d57920dc5a6caed9347556536a37e84