[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 try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiden0614%2Fcompletable-future-rs" "/workspace/builds/worker-79/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiden0614/completable-future-rs on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-79/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-executor v0.2.1 [INFO] [stderr] Downloaded futures-util v0.2.1 [INFO] [stderr] Downloaded futures-async-runtime v0.2.1 [INFO] [stderr] Downloaded futures-stable v0.2.1 [INFO] [stderr] Downloaded futures v0.2.1 [INFO] [stderr] Downloaded futures-core v0.2.1 [INFO] [stderr] Downloaded futures-sink v0.2.1 [INFO] [stderr] Downloaded futures-channel v0.2.1 [INFO] [stderr] Downloaded futures-io v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a1199251eec361cc22a9e4435a97c7baa521931eee3a0037ea67666d39e687c [INFO] running `Command { std: "docker" "start" "-a" "5a1199251eec361cc22a9e4435a97c7baa521931eee3a0037ea67666d39e687c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a1199251eec361cc22a9e4435a97c7baa521931eee3a0037ea67666d39e687c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a1199251eec361cc22a9e4435a97c7baa521931eee3a0037ea67666d39e687c", kill_on_drop: false }` [INFO] [stdout] 5a1199251eec361cc22a9e4435a97c7baa521931eee3a0037ea67666d39e687c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf1ee3fd92b4f66d9fbc732254a29b4d73995c4e800630ac1e3a7461b480aeff [INFO] running `Command { std: "docker" "start" "-a" "cf1ee3fd92b4f66d9fbc732254a29b4d73995c4e800630ac1e3a7461b480aeff", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.5.0 [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 iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling futures-io v0.2.1 [INFO] [stderr] Compiling futures-sink 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 34.87s [INFO] running `Command { std: "docker" "inspect" "cf1ee3fd92b4f66d9fbc732254a29b4d73995c4e800630ac1e3a7461b480aeff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf1ee3fd92b4f66d9fbc732254a29b4d73995c4e800630ac1e3a7461b480aeff", kill_on_drop: false }` [INFO] [stdout] cf1ee3fd92b4f66d9fbc732254a29b4d73995c4e800630ac1e3a7461b480aeff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb1ae72d2646c3459093eb4e11c1081233ad907958a73e08d0fdc0063b1287c0 [INFO] running `Command { std: "docker" "start" "-a" "cb1ae72d2646c3459093eb4e11c1081233ad907958a73e08d0fdc0063b1287c0", 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: 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: 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `Command { std: "docker" "inspect" "cb1ae72d2646c3459093eb4e11c1081233ad907958a73e08d0fdc0063b1287c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb1ae72d2646c3459093eb4e11c1081233ad907958a73e08d0fdc0063b1287c0", kill_on_drop: false }` [INFO] [stdout] cb1ae72d2646c3459093eb4e11c1081233ad907958a73e08d0fdc0063b1287c0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dc7f941dc7442cc394153d4ba47ec1c22083b98a65e6162388ede0219fd2bcbf [INFO] running `Command { std: "docker" "start" "-a" "dc7f941dc7442cc394153d4ba47ec1c22083b98a65e6162388ede0219fd2bcbf", 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] [stderr] Running unittests (/opt/rustwide/target/debug/deps/completable_future-c319c539580b3a74) [INFO] [stdout] [INFO] [stdout] running 0 tests [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] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-4b7792c69abb5133) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test_completed_future ... ok [INFO] [stdout] test test_signal_error ... ok [INFO] [stdout] test test_error_once ... ok [INFO] [stdout] test test_complete_once ... ok [INFO] [stdout] test test_errored_future ... 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 0.04s [INFO] [stdout] [INFO] [stderr] Doc-tests completable_future [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 1.45s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dc7f941dc7442cc394153d4ba47ec1c22083b98a65e6162388ede0219fd2bcbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc7f941dc7442cc394153d4ba47ec1c22083b98a65e6162388ede0219fd2bcbf", kill_on_drop: false }` [INFO] [stdout] dc7f941dc7442cc394153d4ba47ec1c22083b98a65e6162388ede0219fd2bcbf