[INFO] fetching crate wasm-message-passing-3nweb 0.2.0... [INFO] testing wasm-message-passing-3nweb-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate wasm-message-passing-3nweb 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate wasm-message-passing-3nweb 0.2.0 [INFO] finished tweaking crates.io crate wasm-message-passing-3nweb 0.2.0 [INFO] tweaked toml for crates.io crate wasm-message-passing-3nweb 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wasm-message-passing-3nweb 0.2.0 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 14 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c667fc27c05bd1c220d7e9cab3967eea29b983a92cf0c77fa1cc7b1f78fd2fb6 [INFO] running `Command { std: "docker" "start" "-a" "c667fc27c05bd1c220d7e9cab3967eea29b983a92cf0c77fa1cc7b1f78fd2fb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c667fc27c05bd1c220d7e9cab3967eea29b983a92cf0c77fa1cc7b1f78fd2fb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c667fc27c05bd1c220d7e9cab3967eea29b983a92cf0c77fa1cc7b1f78fd2fb6", kill_on_drop: false }` [INFO] [stdout] c667fc27c05bd1c220d7e9cab3967eea29b983a92cf0c77fa1cc7b1f78fd2fb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 55e497d27deaf3e8dd1996b7b8aa0c4783394bbe67f78c9921f113dd2c4a6dee [INFO] running `Command { std: "docker" "start" "-a" "55e497d27deaf3e8dd1996b7b8aa0c4783394bbe67f78c9921f113dd2c4a6dee", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.104 [INFO] [stderr] Compiling bumpalo v3.19.0 [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-macro-support v0.2.104 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.104 [INFO] [stderr] Compiling wasm-message-passing-3nweb v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/wasm_mp1.rs:58:2 [INFO] [stdout] | [INFO] [stdout] 58 | / /// This simple classic externing expects to find these functions in `env` [INFO] [stdout] 59 | | /// object/namespace imported to WASM by embedding. [INFO] [stdout] 60 | | /// [INFO] [stdout] | |________^ [INFO] [stdout] 61 | / extern { [INFO] [stdout] 62 | | [INFO] [stdout] 63 | | /// Don't use this directly. [INFO] [stdout] 64 | | /// WASM embedding is expected to provide this function in accordance with [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/wasm_mp1.rs:61:2 [INFO] [stdout] | [INFO] [stdout] 61 | extern { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/wasm_mp1.rs:106:7 [INFO] [stdout] | [INFO] [stdout] 106 | if MSG_PROCESSOR.is_some() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/wasm_mp1.rs:107:6 [INFO] [stdout] | [INFO] [stdout] 107 | (MSG_PROCESSOR.as_ref().unwrap())(msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.03s [INFO] running `Command { std: "docker" "inspect" "55e497d27deaf3e8dd1996b7b8aa0c4783394bbe67f78c9921f113dd2c4a6dee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55e497d27deaf3e8dd1996b7b8aa0c4783394bbe67f78c9921f113dd2c4a6dee", kill_on_drop: false }` [INFO] [stdout] 55e497d27deaf3e8dd1996b7b8aa0c4783394bbe67f78c9921f113dd2c4a6dee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dac27480d8b0bfb4ac3665cf178a31663d6839b35a1fe3a97e49086dc365300a [INFO] running `Command { std: "docker" "start" "-a" "dac27480d8b0bfb4ac3665cf178a31663d6839b35a1fe3a97e49086dc365300a", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-message-passing-3nweb v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/wasm_mp1.rs:58:2 [INFO] [stdout] | [INFO] [stdout] 58 | / /// This simple classic externing expects to find these functions in `env` [INFO] [stdout] 59 | | /// object/namespace imported to WASM by embedding. [INFO] [stdout] 60 | | /// [INFO] [stdout] | |________^ [INFO] [stdout] 61 | / extern { [INFO] [stdout] 62 | | [INFO] [stdout] 63 | | /// Don't use this directly. [INFO] [stdout] 64 | | /// WASM embedding is expected to provide this function in accordance with [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/wasm_mp1.rs:61:2 [INFO] [stdout] | [INFO] [stdout] 61 | extern { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/wasm_mp1.rs:106:7 [INFO] [stdout] | [INFO] [stdout] 106 | if MSG_PROCESSOR.is_some() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/wasm_mp1.rs:107:6 [INFO] [stdout] | [INFO] [stdout] 107 | (MSG_PROCESSOR.as_ref().unwrap())(msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/wasm_mp1.rs:58:2 [INFO] [stdout] | [INFO] [stdout] 58 | / /// This simple classic externing expects to find these functions in `env` [INFO] [stdout] 59 | | /// object/namespace imported to WASM by embedding. [INFO] [stdout] 60 | | /// [INFO] [stdout] | |________^ [INFO] [stdout] 61 | / extern { [INFO] [stdout] 62 | | [INFO] [stdout] 63 | | /// Don't use this directly. [INFO] [stdout] 64 | | /// WASM embedding is expected to provide this function in accordance with [INFO] [stdout] ... | [INFO] [stdout] 89 | | } [INFO] [stdout] | |_____- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/wasm_mp1.rs:61:2 [INFO] [stdout] | [INFO] [stdout] 61 | extern { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/wasm_mp1.rs:106:7 [INFO] [stdout] | [INFO] [stdout] 106 | if MSG_PROCESSOR.is_some() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/wasm_mp1.rs:107:6 [INFO] [stdout] | [INFO] [stdout] 107 | (MSG_PROCESSOR.as_ref().unwrap())(msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "dac27480d8b0bfb4ac3665cf178a31663d6839b35a1fe3a97e49086dc365300a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dac27480d8b0bfb4ac3665cf178a31663d6839b35a1fe3a97e49086dc365300a", kill_on_drop: false }` [INFO] [stdout] dac27480d8b0bfb4ac3665cf178a31663d6839b35a1fe3a97e49086dc365300a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4c2cc0efc3119cc68af75656c884cee79312e42253c68f1bce45272097d75bd1 [INFO] running `Command { std: "docker" "start" "-a" "4c2cc0efc3119cc68af75656c884cee79312e42253c68f1bce45272097d75bd1", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/wasm_mp1.rs:58:2 [INFO] [stderr] | [INFO] [stderr] 58 | / /// This simple classic externing expects to find these functions in `env` [INFO] [stderr] 59 | | /// object/namespace imported to WASM by embedding. [INFO] [stderr] 60 | | /// [INFO] [stderr] | |________^ [INFO] [stderr] 61 | / extern { [INFO] [stderr] 62 | | [INFO] [stderr] 63 | | /// Don't use this directly. [INFO] [stderr] 64 | | /// WASM embedding is expected to provide this function in accordance with [INFO] [stderr] ... | [INFO] [stderr] 89 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for extern blocks [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stderr] --> src/wasm_mp1.rs:61:2 [INFO] [stderr] | [INFO] [stderr] 61 | extern { [INFO] [stderr] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(missing_abi)]` on by default [INFO] [stderr] [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/wasm_mp1.rs:106:7 [INFO] [stderr] | [INFO] [stderr] 106 | if MSG_PROCESSOR.is_some() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/wasm_mp1.rs:107:6 [INFO] [stderr] | [INFO] [stderr] 107 | (MSG_PROCESSOR.as_ref().unwrap())(msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] [INFO] [stderr] warning: `wasm-message-passing-3nweb` (lib) generated 4 warnings (run `cargo fix --lib -p wasm-message-passing-3nweb` to apply 1 suggestion) [INFO] [stderr] warning: `wasm-message-passing-3nweb` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasm_message_passing_3nweb-dd0b2c2fdee4d6f4) [INFO] [stdout] [INFO] [stderr] Doc-tests wasm_message_passing_3nweb [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] [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] running `Command { std: "docker" "inspect" "4c2cc0efc3119cc68af75656c884cee79312e42253c68f1bce45272097d75bd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c2cc0efc3119cc68af75656c884cee79312e42253c68f1bce45272097d75bd1", kill_on_drop: false }` [INFO] [stdout] 4c2cc0efc3119cc68af75656c884cee79312e42253c68f1bce45272097d75bd1