[INFO] fetching crate cb_fut 0.2.1... [INFO] testing cb_fut-0.2.1 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate cb_fut 0.2.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate cb_fut 0.2.1 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83f672c891d81003576358327781de0e2a91ac9062803a1b9e883c9ed82e1e51 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "83f672c891d81003576358327781de0e2a91ac9062803a1b9e883c9ed82e1e51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83f672c891d81003576358327781de0e2a91ac9062803a1b9e883c9ed82e1e51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83f672c891d81003576358327781de0e2a91ac9062803a1b9e883c9ed82e1e51", kill_on_drop: false }` [INFO] [stdout] 83f672c891d81003576358327781de0e2a91ac9062803a1b9e883c9ed82e1e51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5969bf5dd16e770a416a99ce27f4ef150788f1ff641beaee5ffa4d7188d1799d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5969bf5dd16e770a416a99ce27f4ef150788f1ff641beaee5ffa4d7188d1799d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling futures-macro v0.3.8 [INFO] [stderr] Compiling pin-project v1.0.2 [INFO] [stderr] Compiling futures-util v0.3.8 [INFO] [stderr] Compiling futures-executor v0.3.8 [INFO] [stderr] Compiling futures v0.3.8 [INFO] [stderr] Compiling cb_fut v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.60s [INFO] running `Command { std: "docker" "inspect" "5969bf5dd16e770a416a99ce27f4ef150788f1ff641beaee5ffa4d7188d1799d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5969bf5dd16e770a416a99ce27f4ef150788f1ff641beaee5ffa4d7188d1799d", kill_on_drop: false }` [INFO] [stdout] 5969bf5dd16e770a416a99ce27f4ef150788f1ff641beaee5ffa4d7188d1799d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bdb0d017b743f35613b8bc952b861a2692f2d900805d55210f03afceea3603c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9bdb0d017b743f35613b8bc952b861a2692f2d900805d55210f03afceea3603c", 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] | ^^^^^^ help: remove these braces [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [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] | ^^^^^^ help: remove these braces [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.73s [INFO] running `Command { std: "docker" "inspect" "9bdb0d017b743f35613b8bc952b861a2692f2d900805d55210f03afceea3603c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bdb0d017b743f35613b8bc952b861a2692f2d900805d55210f03afceea3603c", kill_on_drop: false }` [INFO] [stdout] 9bdb0d017b743f35613b8bc952b861a2692f2d900805d55210f03afceea3603c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0b3a7a9c13c33b97792babe60d85fb71c84b92b0a362ddea33b313815ddf829c [INFO] running `Command { std: "docker" "start" "-a" "0b3a7a9c13c33b97792babe60d85fb71c84b92b0a362ddea33b313815ddf829c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unnecessary braces around method argument [INFO] [stdout] running 21 tests [INFO] [stderr] --> src/lib.rs:666:71 [INFO] [stderr] | [INFO] [stderr] 666 | futures::executor::block_on(once_blocked!(func(2 + 3, ->() -> {3i32}))); [INFO] [stderr] | ^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [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] | ^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.34s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cb_fut-b5f57bf0c2e08d60 [INFO] [stdout] test tests::test_once_blocked_default_infix_no_args ... ok [INFO] [stdout] test tests::test_once_blocked_default_infix ... ok [INFO] [stdout] test tests::test_once_blocked_default_postfix ... ok [INFO] [stdout] test tests::test_once_blocked_postfix_with_logic ... ok [INFO] [stdout] test tests::test_once_blocked_postfix ... ok [INFO] [stdout] test tests::test_once_blocked_default_postfix_no_args ... ok [INFO] [stdout] test tests::test_stream_infix ... ok [INFO] [stdout] test tests::test_stream_postfix ... ok [INFO] [stdout] test tests::test_once_blocked_default_prefix_no_args ... 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_prefix ... ok [INFO] [stdout] test tests::test_stream_prefix_no_args ... ok [INFO] [stdout] test tests::test_stream_blocked_postfix ... ok [INFO] [stdout] test tests::test_once_blocked_default_prefix ... ok [INFO] [stdout] test tests::test_stream_blocked_prefix ... ok [INFO] [stdout] test tests::test_stream_blocked_infix ... ok [INFO] [stderr] Doc-tests cb_fut [INFO] [stdout] test tests::test_once_postfix ... ok [INFO] [stdout] test tests::test_once_prefix ... ok [INFO] [stdout] test tests::test_once_postfix_no_args ... ok [INFO] [stdout] test tests::test_once_infix ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.01s [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 4.81s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0b3a7a9c13c33b97792babe60d85fb71c84b92b0a362ddea33b313815ddf829c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b3a7a9c13c33b97792babe60d85fb71c84b92b0a362ddea33b313815ddf829c", kill_on_drop: false }` [INFO] [stdout] 0b3a7a9c13c33b97792babe60d85fb71c84b92b0a362ddea33b313815ddf829c