[INFO] fetching crate n0-future 0.2.0... [INFO] testing n0-future-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate n0-future 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate n0-future 0.2.0 [INFO] finished tweaking crates.io crate n0-future 0.2.0 [INFO] tweaked toml for crates.io crate n0-future 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate n0-future 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] crate crates.io crate n0-future 0.2.0 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-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] 2fb57a5e10c313041978a6c2259f19b52c8128ad4c1c426dc29df6c89a61eff6 [INFO] running `Command { std: "docker" "start" "-a" "2fb57a5e10c313041978a6c2259f19b52c8128ad4c1c426dc29df6c89a61eff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2fb57a5e10c313041978a6c2259f19b52c8128ad4c1c426dc29df6c89a61eff6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fb57a5e10c313041978a6c2259f19b52c8128ad4c1c426dc29df6c89a61eff6", kill_on_drop: false }` [INFO] [stdout] 2fb57a5e10c313041978a6c2259f19b52c8128ad4c1c426dc29df6c89a61eff6 [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] 86ff3f699e7ec0b7a06a17b19bd7d706d7805453bdde7c2fdbc7eccc7e5f55ac [INFO] running `Command { std: "docker" "start" "-a" "86ff3f699e7ec0b7a06a17b19bd7d706d7805453bdde7c2fdbc7eccc7e5f55ac", kill_on_drop: false }` [INFO] [stderr] Compiling slab v0.4.10 [INFO] [stderr] Compiling cordyceps v0.3.4 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling spin v0.10.0 [INFO] [stderr] Compiling n0-future v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling futures-lite v2.6.0 [INFO] [stderr] Compiling futures-buffered v0.2.12 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling derive_more-impl v1.0.0 [INFO] [stderr] Compiling pin-project-internal v1.1.10 [INFO] [stderr] Compiling tokio v1.47.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling pin-project v1.1.10 [INFO] [stderr] Compiling derive_more v1.0.0 [INFO] [stderr] Compiling tokio-util v0.7.15 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.10s [INFO] running `Command { std: "docker" "inspect" "86ff3f699e7ec0b7a06a17b19bd7d706d7805453bdde7c2fdbc7eccc7e5f55ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86ff3f699e7ec0b7a06a17b19bd7d706d7805453bdde7c2fdbc7eccc7e5f55ac", kill_on_drop: false }` [INFO] [stdout] 86ff3f699e7ec0b7a06a17b19bd7d706d7805453bdde7c2fdbc7eccc7e5f55ac [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] d8dda41e88088e0a11aa70779d44d5c024cdc1fc12342327d6e0d1d3886e581a [INFO] running `Command { std: "docker" "start" "-a" "d8dda41e88088e0a11aa70779d44d5c024cdc1fc12342327d6e0d1d3886e581a", kill_on_drop: false }` [INFO] [stderr] Compiling n0-future v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "d8dda41e88088e0a11aa70779d44d5c024cdc1fc12342327d6e0d1d3886e581a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8dda41e88088e0a11aa70779d44d5c024cdc1fc12342327d6e0d1d3886e581a", kill_on_drop: false }` [INFO] [stdout] d8dda41e88088e0a11aa70779d44d5c024cdc1fc12342327d6e0d1d3886e581a [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] e2df59f92b2557468537e22a41bf6ab118ecf4644616011245a421eeef73d69c [INFO] running `Command { std: "docker" "start" "-a" "e2df59f92b2557468537e22a41bf6ab118ecf4644616011245a421eeef73d69c", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n0_future-cafc26b08d3a36f3) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test maybe_future::tests::test_maybefuture_mut_ref ... ok [INFO] [stdout] test maybe_future::tests::test_maybefuture_poll_after_use ... ok [INFO] [stderr] Doc-tests n0_future [INFO] [stdout] test maybe_future::tests::example ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/maybe_future.rs - maybe_future::MaybeFuture (line 26) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e2df59f92b2557468537e22a41bf6ab118ecf4644616011245a421eeef73d69c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2df59f92b2557468537e22a41bf6ab118ecf4644616011245a421eeef73d69c", kill_on_drop: false }` [INFO] [stdout] e2df59f92b2557468537e22a41bf6ab118ecf4644616011245a421eeef73d69c