[INFO] cloning repository https://github.com/tiden0614/completable-future-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiden0614/completable-future-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiden0614%2Fcompletable-future-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiden0614%2Fcompletable-future-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c066b3cc3aa4493ea1ff7e54880be31372631c8 [INFO] testing tiden0614/completable-future-rs against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiden0614%2Fcompletable-future-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiden0614/completable-future-rs on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tiden0614/completable-future-rs [INFO] finished tweaking git repo https://github.com/tiden0614/completable-future-rs [INFO] tweaked toml for git repo https://github.com/tiden0614/completable-future-rs written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/tiden0614/completable-future-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 3c60147a504bb550897315938856739f3d3b185f877f7423f3d313b3f9796f08 [INFO] running `Command { std: "docker" "start" "-a" "3c60147a504bb550897315938856739f3d3b185f877f7423f3d313b3f9796f08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c60147a504bb550897315938856739f3d3b185f877f7423f3d313b3f9796f08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c60147a504bb550897315938856739f3d3b185f877f7423f3d313b3f9796f08", kill_on_drop: false }` [INFO] [stdout] 3c60147a504bb550897315938856739f3d3b185f877f7423f3d313b3f9796f08 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 82189ebfaf9e74df5ab9b1ff4fdecdafccd706af1c97248f6b59c7ff12e7da88 [INFO] running `Command { std: "docker" "start" "-a" "82189ebfaf9e74df5ab9b1ff4fdecdafccd706af1c97248f6b59c7ff12e7da88", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling lazy_static v1.0.1 [INFO] [stderr] Compiling futures-core v0.2.1 [INFO] [stderr] Compiling futures-channel v0.2.1 [INFO] [stderr] Compiling futures-sink v0.2.1 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling futures-io v0.2.1 [INFO] [stderr] Compiling futures-util v0.2.1 [INFO] [stderr] Compiling futures-executor v0.2.1 [INFO] [stderr] Compiling futures-stable v0.2.1 [INFO] [stderr] Compiling futures-async-runtime v0.2.1 [INFO] [stderr] Compiling futures v0.2.1 [INFO] [stderr] Compiling completable_future v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | mem::replace(self, WakerWrapper::Registered(w)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.51s [INFO] running `Command { std: "docker" "inspect" "82189ebfaf9e74df5ab9b1ff4fdecdafccd706af1c97248f6b59c7ff12e7da88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82189ebfaf9e74df5ab9b1ff4fdecdafccd706af1c97248f6b59c7ff12e7da88", kill_on_drop: false }` [INFO] [stdout] 82189ebfaf9e74df5ab9b1ff4fdecdafccd706af1c97248f6b59c7ff12e7da88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] f946a85260c4a406a402dd42984e9ef5eb77e04c75ab580a441b50c57620d9ff [INFO] running `Command { std: "docker" "start" "-a" "f946a85260c4a406a402dd42984e9ef5eb77e04c75ab580a441b50c57620d9ff", kill_on_drop: false }` [INFO] [stderr] Compiling completable_future v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | mem::replace(self, WakerWrapper::Registered(w)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:78:17 [INFO] [stdout] | [INFO] [stdout] 78 | mem::replace(self, WakerWrapper::Registered(w)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:67:7 [INFO] [stdout] | [INFO] [stdout] 67 | let mut tm = mutate_counter.clone(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:89:7 [INFO] [stdout] | [INFO] [stdout] 89 | let mut tm = mutate_counter.clone(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.98s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/completable_future-5a9976f9798ef6f9) [INFO] [stderr] Executable tests/tests.rs (/opt/rustwide/target/debug/deps/tests-e88df17d980d3470) [INFO] running `Command { std: "docker" "inspect" "f946a85260c4a406a402dd42984e9ef5eb77e04c75ab580a441b50c57620d9ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f946a85260c4a406a402dd42984e9ef5eb77e04c75ab580a441b50c57620d9ff", kill_on_drop: false }` [INFO] [stdout] f946a85260c4a406a402dd42984e9ef5eb77e04c75ab580a441b50c57620d9ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 98d60e5c22e6b3ca274d859701dd411fca10985ba4cb1ebe24352a002d625273 [INFO] running `Command { std: "docker" "start" "-a" "98d60e5c22e6b3ca274d859701dd411fca10985ba4cb1ebe24352a002d625273", kill_on_drop: false }` [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:78:17 [INFO] [stderr] | [INFO] [stderr] 78 | mem::replace(self, WakerWrapper::Registered(w)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: `completable_future` (lib) generated 1 warning [INFO] [stderr] warning: `completable_future` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/tests.rs:67:7 [INFO] [stderr] | [INFO] [stderr] 67 | let mut tm = mutate_counter.clone(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/tests.rs:89:7 [INFO] [stderr] | [INFO] [stderr] 89 | let mut tm = mutate_counter.clone(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `completable_future` (test "tests") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/completable_future-5a9976f9798ef6f9) [INFO] [stdout] running 0 tests [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-e88df17d980d3470) [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] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test_complete_once ... ok [INFO] [stderr] Doc-tests completable_future [INFO] [stdout] test test_completed_future ... ok [INFO] [stdout] test test_errored_future ... ok [INFO] [stdout] test test_signal_error ... ok [INFO] [stdout] test test_error_once ... ok [INFO] [stdout] test test_signal_complete ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 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/lib.rs - (line 20) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.08s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "98d60e5c22e6b3ca274d859701dd411fca10985ba4cb1ebe24352a002d625273", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98d60e5c22e6b3ca274d859701dd411fca10985ba4cb1ebe24352a002d625273", kill_on_drop: false }` [INFO] [stdout] 98d60e5c22e6b3ca274d859701dd411fca10985ba4cb1ebe24352a002d625273