[INFO] fetching crate stream-flatten-iters 0.2.0... [INFO] testing stream-flatten-iters-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate stream-flatten-iters 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate stream-flatten-iters 0.2.0 [INFO] finished tweaking crates.io crate stream-flatten-iters 0.2.0 [INFO] tweaked toml for crates.io crate stream-flatten-iters 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate stream-flatten-iters 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages to latest compatible versions [INFO] [stderr] Adding pin-project v0.4.30 (available: v1.1.10) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.47.1) [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] 11fa499216b4493053997c4ccfc1711a4cf45dedfbc4d212938f2cd6f84682bf [INFO] running `Command { std: "docker" "start" "-a" "11fa499216b4493053997c4ccfc1711a4cf45dedfbc4d212938f2cd6f84682bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11fa499216b4493053997c4ccfc1711a4cf45dedfbc4d212938f2cd6f84682bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11fa499216b4493053997c4ccfc1711a4cf45dedfbc4d212938f2cd6f84682bf", kill_on_drop: false }` [INFO] [stdout] 11fa499216b4493053997c4ccfc1711a4cf45dedfbc4d212938f2cd6f84682bf [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] a53e27d23c188cb31477fc714039971a1437d60a810a7cd4987d00aac2ee76ce [INFO] running `Command { std: "docker" "start" "-a" "a53e27d23c188cb31477fc714039971a1437d60a810a7cd4987d00aac2ee76ce", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling pin-project-internal v0.4.30 [INFO] [stderr] Compiling pin-project v0.4.30 [INFO] [stderr] Compiling stream-flatten-iters v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `project`: consider naming projected type by passing `project` argument to #[pin_project] attribute instead, see release note for details [INFO] [stdout] --> src/try_flatten_iters.rs:99:7 [INFO] [stdout] | [INFO] [stdout] 99 | #[project] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.91s [INFO] running `Command { std: "docker" "inspect" "a53e27d23c188cb31477fc714039971a1437d60a810a7cd4987d00aac2ee76ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a53e27d23c188cb31477fc714039971a1437d60a810a7cd4987d00aac2ee76ce", kill_on_drop: false }` [INFO] [stdout] a53e27d23c188cb31477fc714039971a1437d60a810a7cd4987d00aac2ee76ce [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] e2aed042b46798ec6ea3073742e8dd90b032972e060c5bde0bd9d4a58b624d15 [INFO] running `Command { std: "docker" "start" "-a" "e2aed042b46798ec6ea3073742e8dd90b032972e060c5bde0bd9d4a58b624d15", kill_on_drop: false }` [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stdout] warning: use of deprecated macro `project`: consider naming projected type by passing `project` argument to #[pin_project] attribute instead, see release note for details [INFO] [stdout] --> src/try_flatten_iters.rs:99:7 [INFO] [stdout] | [INFO] [stdout] 99 | #[project] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling stream-flatten-iters v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `project`: consider naming projected type by passing `project` argument to #[pin_project] attribute instead, see release note for details [INFO] [stdout] --> src/try_flatten_iters.rs:99:7 [INFO] [stdout] | [INFO] [stdout] 99 | #[project] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 6.74s [INFO] running `Command { std: "docker" "inspect" "e2aed042b46798ec6ea3073742e8dd90b032972e060c5bde0bd9d4a58b624d15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2aed042b46798ec6ea3073742e8dd90b032972e060c5bde0bd9d4a58b624d15", kill_on_drop: false }` [INFO] [stdout] e2aed042b46798ec6ea3073742e8dd90b032972e060c5bde0bd9d4a58b624d15 [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] 36cab3992e16c61be69f8e7fb1106cb24e13c5e7548bc3eb6e4395c7d4c7cf39 [INFO] running `Command { std: "docker" "start" "-a" "36cab3992e16c61be69f8e7fb1106cb24e13c5e7548bc3eb6e4395c7d4c7cf39", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `project`: consider naming projected type by passing `project` argument to #[pin_project] attribute instead, see release note for details [INFO] [stderr] --> src/try_flatten_iters.rs:99:7 [INFO] [stderr] | [INFO] [stderr] 99 | #[project] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `stream-flatten-iters` (lib) generated 1 warning [INFO] [stderr] warning: `stream-flatten-iters` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stream_flatten_iters-e08449742bb166c0) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test flatten_iters::tests::test_empty ... ok [INFO] [stdout] test try_flatten_iters::tests::test_basic ... ok [INFO] [stdout] test try_flatten_iters::tests::test_empty ... ok [INFO] [stdout] test try_flatten_iters::tests::test_error_with_collect ... ok [INFO] [stdout] test flatten_iters::tests::test_basic ... ok [INFO] [stdout] test try_flatten_iters::tests::test_error ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests stream_flatten_iters [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 83) ... ok [INFO] [stdout] test src/lib.rs - (line 9) ... ok [INFO] [stdout] test src/lib.rs - (line 46) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "36cab3992e16c61be69f8e7fb1106cb24e13c5e7548bc3eb6e4395c7d4c7cf39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36cab3992e16c61be69f8e7fb1106cb24e13c5e7548bc3eb6e4395c7d4c7cf39", kill_on_drop: false }` [INFO] [stdout] 36cab3992e16c61be69f8e7fb1106cb24e13c5e7548bc3eb6e4395c7d4c7cf39