[INFO] fetching crate ducktor 0.1.0... [INFO] testing ducktor-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate ducktor 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate ducktor 0.1.0 [INFO] finished tweaking crates.io crate ducktor 0.1.0 [INFO] tweaked toml for crates.io crate ducktor 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ducktor 0.1.0 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 48 packages to latest compatible versions [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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c4e01f403cb19eac84ca77aaa1a98e6e7bbb06caa5d1ebc18094b6e8eaa1ea3e [INFO] running `Command { std: "docker" "start" "-a" "c4e01f403cb19eac84ca77aaa1a98e6e7bbb06caa5d1ebc18094b6e8eaa1ea3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4e01f403cb19eac84ca77aaa1a98e6e7bbb06caa5d1ebc18094b6e8eaa1ea3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4e01f403cb19eac84ca77aaa1a98e6e7bbb06caa5d1ebc18094b6e8eaa1ea3e", kill_on_drop: false }` [INFO] [stdout] c4e01f403cb19eac84ca77aaa1a98e6e7bbb06caa5d1ebc18094b6e8eaa1ea3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 19a786fcb32d3fb6529e57faacb32e916d988688c6deb0b86d5b75fac4a03f05 [INFO] running `Command { std: "docker" "start" "-a" "19a786fcb32d3fb6529e57faacb32e916d988688c6deb0b86d5b75fac4a03f05", kill_on_drop: false }` [INFO] [stderr] Compiling ducktor v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "19a786fcb32d3fb6529e57faacb32e916d988688c6deb0b86d5b75fac4a03f05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19a786fcb32d3fb6529e57faacb32e916d988688c6deb0b86d5b75fac4a03f05", kill_on_drop: false }` [INFO] [stdout] 19a786fcb32d3fb6529e57faacb32e916d988688c6deb0b86d5b75fac4a03f05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4825c5508087d12ebb122cc38823b5e833ac16f8d16467b3cad3c8175969b64e [INFO] running `Command { std: "docker" "start" "-a" "4825c5508087d12ebb122cc38823b5e833ac16f8d16467b3cad3c8175969b64e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.104 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.54 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling ducktor v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.104 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.104 [INFO] [stderr] Compiling wasm-bindgen v0.2.104 [INFO] [stderr] Compiling trybuild v1.0.111 [INFO] [stderr] Compiling js-sys v0.3.81 [INFO] [stderr] Compiling wasm-bindgen-futures v0.4.54 [INFO] [stderr] Compiling wasm-bindgen-test v0.3.54 [INFO] [stdout] warning: unexpected `cfg` condition name: `test_in_browser` [INFO] [stdout] --> tests/roundtrip.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | #[cfg(test_in_browser)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(test_in_browser)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(test_in_browser)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 19.94s [INFO] running `Command { std: "docker" "inspect" "4825c5508087d12ebb122cc38823b5e833ac16f8d16467b3cad3c8175969b64e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4825c5508087d12ebb122cc38823b5e833ac16f8d16467b3cad3c8175969b64e", kill_on_drop: false }` [INFO] [stdout] 4825c5508087d12ebb122cc38823b5e833ac16f8d16467b3cad3c8175969b64e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 476a55acbc7e7487659ec5755cf7fda83fb2f58dc6fc419f72af2887fddfa6b9 [INFO] running `Command { std: "docker" "start" "-a" "476a55acbc7e7487659ec5755cf7fda83fb2f58dc6fc419f72af2887fddfa6b9", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition name: `test_in_browser` [INFO] [stderr] --> tests/roundtrip.rs:4:7 [INFO] [stderr] | [INFO] [stderr] 4 | #[cfg(test_in_browser)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stderr] = help: consider using a Cargo feature instead [INFO] [stderr] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stderr] [lints.rust] [INFO] [stderr] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(test_in_browser)'] } [INFO] [stderr] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(test_in_browser)");` to the top of the `build.rs` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `ducktor` (test "roundtrip") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ducktor-d8111671c476fc61) [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] Running tests/roundtrip.rs (/opt/rustwide/target/debug/deps/roundtrip-ed4f8c9b9ab8cec2) [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] Running tests/ui.rs (/opt/rustwide/target/debug/deps/ui-ad9ee021560b07f2) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.104 [INFO] [stderr] Compiling rustversion v1.0.22 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling bumpalo v3.19.0 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling wasm-bindgen v0.2.104 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.104 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.54 [INFO] [stderr] Compiling ducktor v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.104 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.104 [INFO] [stderr] Compiling js-sys v0.3.81 [INFO] [stderr] Compiling wasm-bindgen-futures v0.4.54 [INFO] [stderr] Compiling wasm-bindgen-test v0.3.54 [INFO] [stderr] Compiling ducktor-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/ducktor) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.23s [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] test tests/ui/passing.rs [should pass] ... ok [INFO] [stdout] test ui ... ok [INFO] [stderr] test tests/ui/failing.rs [should fail to compile] ... ok [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 19.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] Doc-tests ducktor [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 29) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "476a55acbc7e7487659ec5755cf7fda83fb2f58dc6fc419f72af2887fddfa6b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "476a55acbc7e7487659ec5755cf7fda83fb2f58dc6fc419f72af2887fddfa6b9", kill_on_drop: false }` [INFO] [stdout] 476a55acbc7e7487659ec5755cf7fda83fb2f58dc6fc419f72af2887fddfa6b9