[INFO] fetching crate cb_fut 0.2.1... [INFO] testing cb_fut-0.2.1 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate cb_fut 0.2.1 into /workspace/builds/worker-17/source [INFO] validating manifest of crates.io crate cb_fut 0.2.1 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cb_fut 0.2.1 [INFO] finished tweaking crates.io crate cb_fut 0.2.1 [INFO] tweaked toml for crates.io crate cb_fut 0.2.1 written to /workspace/builds/worker-17/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded crossbeam-channel v0.4.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee78e96b278c6fdcb9447de893c99be721226279ad8b3544120b780c3d880ab9 [INFO] running `Command { std: "docker" "start" "-a" "ee78e96b278c6fdcb9447de893c99be721226279ad8b3544120b780c3d880ab9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee78e96b278c6fdcb9447de893c99be721226279ad8b3544120b780c3d880ab9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee78e96b278c6fdcb9447de893c99be721226279ad8b3544120b780c3d880ab9", kill_on_drop: false }` [INFO] [stdout] ee78e96b278c6fdcb9447de893c99be721226279ad8b3544120b780c3d880ab9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e08f8f9ecd1df39e066a50a728887489985b902165dbafd7828807543649a68d [INFO] running `Command { std: "docker" "start" "-a" "e08f8f9ecd1df39e066a50a728887489985b902165dbafd7828807543649a68d", kill_on_drop: false }` [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling cb_fut v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.50s [INFO] running `Command { std: "docker" "inspect" "e08f8f9ecd1df39e066a50a728887489985b902165dbafd7828807543649a68d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e08f8f9ecd1df39e066a50a728887489985b902165dbafd7828807543649a68d", kill_on_drop: false }` [INFO] [stdout] e08f8f9ecd1df39e066a50a728887489985b902165dbafd7828807543649a68d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 588ee430823c3609d99172643f85add2f2a4e56a324a73989c5b3f0572b3cc79 [INFO] running `Command { std: "docker" "start" "-a" "588ee430823c3609d99172643f85add2f2a4e56a324a73989c5b3f0572b3cc79", kill_on_drop: false }` [INFO] [stderr] Compiling cb_fut v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/lib.rs:666:71 [INFO] [stdout] | [INFO] [stdout] 666 | futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> {3i32}))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 666 - futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> {3i32}))); [INFO] [stdout] 666 + futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> 3i32))); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around method argument [INFO] [stdout] --> src/lib.rs:728:64 [INFO] [stdout] | [INFO] [stdout] 728 | futures::executor::block_on(once_blocked!(func(->() -> {3i32}, 2 + 3))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 728 - futures::executor::block_on(once_blocked!(func(->() -> {3i32}, 2 + 3))); [INFO] [stdout] 728 + futures::executor::block_on(once_blocked!(func(->() -> 3i32, 2 + 3))); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.59s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "588ee430823c3609d99172643f85add2f2a4e56a324a73989c5b3f0572b3cc79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "588ee430823c3609d99172643f85add2f2a4e56a324a73989c5b3f0572b3cc79", kill_on_drop: false }` [INFO] [stdout] 588ee430823c3609d99172643f85add2f2a4e56a324a73989c5b3f0572b3cc79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cb21e979accb7559604ca898f03644c54ad52022a454906900254b8b4ef12deb [INFO] running `Command { std: "docker" "start" "-a" "cb21e979accb7559604ca898f03644c54ad52022a454906900254b8b4ef12deb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/lib.rs:666:71 [INFO] [stderr] | [INFO] [stderr] 666 | futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> {3i32}))); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 666 - futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> {3i32}))); [INFO] [stderr] 666 + futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> 3i32))); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stderr] --> src/lib.rs:728:64 [INFO] [stderr] | [INFO] [stderr] 728 | futures::executor::block_on(once_blocked!(func(->() -> {3i32}, 2 + 3))); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these braces [INFO] [stderr] | [INFO] [stderr] 728 - futures::executor::block_on(once_blocked!(func(->() -> {3i32}, 2 + 3))); [INFO] [stderr] 728 + futures::executor::block_on(once_blocked!(func(->() -> 3i32, 2 + 3))); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `cb_fut` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cb_fut-2e1367724fecd303) [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test tests::test_once_blocked_default_infix ... ok [INFO] [stdout] test tests::test_once_blocked_default_postfix_no_args ... ok [INFO] [stdout] test tests::test_once_blocked_default_postfix ... ok [INFO] [stdout] test tests::test_once_blocked_default_infix_no_args ... ok [INFO] [stdout] test tests::test_once_blocked_postfix_with_logic ... ok [INFO] [stdout] test tests::test_once_blocked_default_prefix_no_args ... ok [INFO] [stdout] test tests::test_once_blocked_default_prefix ... ok [INFO] [stdout] test tests::test_once_blocked_postfix ... ok [INFO] [stdout] test tests::test_once_blocked_prefix ... ok [INFO] [stdout] test tests::test_once_blocked_infix ... ok [INFO] [stdout] test tests::test_stream_infix ... ok [INFO] [stdout] test tests::test_stream_blocked_postfix ... ok [INFO] [stdout] test tests::test_stream_blocked_infix ... ok [INFO] [stdout] test tests::test_stream_prefix ... ok [INFO] [stdout] test tests::test_stream_blocked_prefix ... ok [INFO] [stdout] test tests::test_stream_prefix_no_args ... ok [INFO] [stdout] test tests::test_stream_postfix ... ok [INFO] [stderr] Doc-tests cb_fut [INFO] [stdout] test tests::test_once_infix ... ok [INFO] [stdout] test tests::test_once_postfix ... ok [INFO] [stdout] test tests::test_once_postfix_no_args ... ok [INFO] [stdout] test tests::test_once_prefix ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - stream (line 250) ... ok [INFO] [stdout] test src/lib.rs - stream_blocked (line 318) ... ok [INFO] [stdout] test src/lib.rs - once (line 65) ... ok [INFO] [stdout] test src/lib.rs - once_blocked (line 132) ... ok [INFO] [stdout] test src/lib.rs - once_blocked (line 147) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.89s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cb21e979accb7559604ca898f03644c54ad52022a454906900254b8b4ef12deb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb21e979accb7559604ca898f03644c54ad52022a454906900254b8b4ef12deb", kill_on_drop: false }` [INFO] [stdout] cb21e979accb7559604ca898f03644c54ad52022a454906900254b8b4ef12deb