[INFO] fetching crate wag 0.3.0... [INFO] testing wag-0.3.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate wag 0.3.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate wag 0.3.0 [INFO] finished tweaking crates.io crate wag 0.3.0 [INFO] tweaked toml for crates.io crate wag 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wag 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 40 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a79a0091386aa9030d7b340d4d72242c7a8f75321674246fd4cc1497cc9b9198 [INFO] running `Command { std: "docker" "start" "-a" "a79a0091386aa9030d7b340d4d72242c7a8f75321674246fd4cc1497cc9b9198", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a79a0091386aa9030d7b340d4d72242c7a8f75321674246fd4cc1497cc9b9198", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a79a0091386aa9030d7b340d4d72242c7a8f75321674246fd4cc1497cc9b9198", kill_on_drop: false }` [INFO] [stdout] a79a0091386aa9030d7b340d4d72242c7a8f75321674246fd4cc1497cc9b9198 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c6b2f262d88e872cb7618b8d28c865691a52e681bcf2fbc3ea64ace716af790d [INFO] running `Command { std: "docker" "start" "-a" "c6b2f262d88e872cb7618b8d28c865691a52e681bcf2fbc3ea64ace716af790d", kill_on_drop: false }` [INFO] [stderr] Compiling wag v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct WaitChild(Arc<()>); [INFO] [stdout] | --------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "c6b2f262d88e872cb7618b8d28c865691a52e681bcf2fbc3ea64ace716af790d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6b2f262d88e872cb7618b8d28c865691a52e681bcf2fbc3ea64ace716af790d", kill_on_drop: false }` [INFO] [stdout] c6b2f262d88e872cb7618b8d28c865691a52e681bcf2fbc3ea64ace716af790d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 519db432b5d05dc0af408d56b58a06d4522e753f1e1841c4772b6444c324733d [INFO] running `Command { std: "docker" "start" "-a" "519db432b5d05dc0af408d56b58a06d4522e753f1e1841c4772b6444c324733d", kill_on_drop: false }` [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling bytes v1.10.1 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct WaitChild(Arc<()>); [INFO] [stdout] | --------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling socket2 v0.6.1 [INFO] [stderr] Compiling signal-hook-registry v1.4.6 [INFO] [stderr] Compiling mio v1.1.0 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling lock_api v0.4.14 [INFO] [stderr] Compiling parking_lot v0.12.5 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling tokio v1.48.0 [INFO] [stderr] Compiling wag v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:4:22 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct WaitChild(Arc<()>); [INFO] [stdout] | --------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [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 14.81s [INFO] running `Command { std: "docker" "inspect" "519db432b5d05dc0af408d56b58a06d4522e753f1e1841c4772b6444c324733d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "519db432b5d05dc0af408d56b58a06d4522e753f1e1841c4772b6444c324733d", kill_on_drop: false }` [INFO] [stdout] 519db432b5d05dc0af408d56b58a06d4522e753f1e1841c4772b6444c324733d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5a9b934b97abf8d06ac4dc16a778583dfa0f05152a415cc41f3e5747151a0c76 [INFO] running `Command { std: "docker" "start" "-a" "5a9b934b97abf8d06ac4dc16a778583dfa0f05152a415cc41f3e5747151a0c76", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:4:22 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct WaitChild(Arc<()>); [INFO] [stderr] | --------- ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `wag` (lib) generated 1 warning [INFO] [stderr] warning: `wag` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wag-078d96623b1f4224) [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/async.rs (/opt/rustwide/target/debug/deps/async-d4a180fa0eb26070) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test it_works_for_async_adds ... ok [INFO] [stdout] test it_works_for_async_adds_iter ... ok [INFO] [stdout] test it_works_for_async_adds_as_iter ... ok [INFO] [stdout] test it_works_for_async_simple_add ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s [INFO] [stdout] [INFO] [stderr] Running tests/sync.rs (/opt/rustwide/target/debug/deps/sync-e7e4c2c03974439d) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test it_works_for_simple_add ... ok [INFO] [stdout] test it_works_for_adds_as_iter ... ok [INFO] [stdout] test it_works_for_adds ... ok [INFO] [stdout] test it_works_for_adds_iter ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s [INFO] [stdout] [INFO] [stderr] Doc-tests wag [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" "5a9b934b97abf8d06ac4dc16a778583dfa0f05152a415cc41f3e5747151a0c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a9b934b97abf8d06ac4dc16a778583dfa0f05152a415cc41f3e5747151a0c76", kill_on_drop: false }` [INFO] [stdout] 5a9b934b97abf8d06ac4dc16a778583dfa0f05152a415cc41f3e5747151a0c76