[INFO] fetching crate async-rwlock 1.3.0... [INFO] checking async-rwlock-1.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate async-rwlock 1.3.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate async-rwlock 1.3.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-rwlock 1.3.0 [INFO] finished tweaking crates.io crate async-rwlock 1.3.0 [INFO] tweaked toml for crates.io crate async-rwlock 1.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages [INFO] [stderr] Adding async-channel v1.9.0 (latest: v2.2.0) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.3.0) [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.0.2) [INFO] [stderr] Adding futures-lite v1.13.0 (latest: v2.3.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9ac5d0b9f9dc9804d38e173700dc12d0853410c7aecc46f053c0ffd26ae953d [INFO] running `Command { std: "docker" "start" "-a" "f9ac5d0b9f9dc9804d38e173700dc12d0853410c7aecc46f053c0ffd26ae953d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9ac5d0b9f9dc9804d38e173700dc12d0853410c7aecc46f053c0ffd26ae953d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9ac5d0b9f9dc9804d38e173700dc12d0853410c7aecc46f053c0ffd26ae953d", kill_on_drop: false }` [INFO] [stdout] f9ac5d0b9f9dc9804d38e173700dc12d0853410c7aecc46f053c0ffd26ae953d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0252783e434de7bff6705772b9316e3e4601ed246b837f56bc55d0bbdea3ab5b [INFO] running `Command { std: "docker" "start" "-a" "0252783e434de7bff6705772b9316e3e4601ed246b837f56bc55d0bbdea3ab5b", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-rwlock v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:370:23 [INFO] [stdout] | [INFO] [stdout] 370 | if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:574:14 [INFO] [stdout] | [INFO] [stdout] 574 | .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:370:23 [INFO] [stdout] | [INFO] [stdout] 370 | if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:574:14 [INFO] [stdout] | [INFO] [stdout] 574 | .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> tests/std.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | / spawn(async move { [INFO] [stdout] 92 | | for _ in 0..M { [INFO] [stdout] 93 | | if fastrand::u32(..N) == 0 { [INFO] [stdout] 94 | | drop(rw.write().await); [INFO] [stdout] ... | [INFO] [stdout] 99 | | tx.send(()).await.unwrap(); [INFO] [stdout] 100 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> tests/std.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | / spawn({ [INFO] [stdout] 117 | | let lock = lock.clone(); [INFO] [stdout] 118 | | async move { [INFO] [stdout] 119 | | let mut lock = lock.write().await; [INFO] [stdout] ... | [INFO] [stdout] 127 | | } [INFO] [stdout] 128 | | }); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.86s [INFO] running `Command { std: "docker" "inspect" "0252783e434de7bff6705772b9316e3e4601ed246b837f56bc55d0bbdea3ab5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0252783e434de7bff6705772b9316e3e4601ed246b837f56bc55d0bbdea3ab5b", kill_on_drop: false }` [INFO] [stdout] 0252783e434de7bff6705772b9316e3e4601ed246b837f56bc55d0bbdea3ab5b [INFO] checking async-rwlock-1.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate async-rwlock 1.3.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate async-rwlock 1.3.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate async-rwlock 1.3.0 [INFO] finished tweaking crates.io crate async-rwlock 1.3.0 [INFO] tweaked toml for crates.io crate async-rwlock 1.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c224cd9c40d9d70608e057691052ae86fdd87979594a1f2d11ca67904d49ca60 [INFO] running `Command { std: "docker" "start" "-a" "c224cd9c40d9d70608e057691052ae86fdd87979594a1f2d11ca67904d49ca60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c224cd9c40d9d70608e057691052ae86fdd87979594a1f2d11ca67904d49ca60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c224cd9c40d9d70608e057691052ae86fdd87979594a1f2d11ca67904d49ca60", kill_on_drop: false }` [INFO] [stdout] c224cd9c40d9d70608e057691052ae86fdd87979594a1f2d11ca67904d49ca60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8e80161cfc4fbba103b034d8e9d53b534628f22f5fbf30751937fe3e40c7923 [INFO] running `Command { std: "docker" "start" "-a" "d8e80161cfc4fbba103b034d8e9d53b534628f22f5fbf30751937fe3e40c7923", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking event-listener v2.5.3 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking fastrand v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking waker-fn v1.1.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking parking v2.2.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-rwlock v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:370:23 [INFO] [stdout] | [INFO] [stdout] 370 | if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:574:14 [INFO] [stdout] | [INFO] [stdout] 574 | .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-lite v1.13.0 [INFO] [stderr] Checking concurrent-queue v2.4.0 [INFO] [stderr] Checking async-channel v1.9.0 [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:370:23 [INFO] [stdout] | [INFO] [stdout] 370 | if self.state.compare_and_swap(0, WRITER_BIT, Ordering::AcqRel) == 0 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/lib.rs:574:14 [INFO] [stdout] | [INFO] [stdout] 574 | .compare_and_swap(ONE_READER, WRITER_BIT, Ordering::AcqRel) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> tests/std.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | / spawn(async move { [INFO] [stdout] 92 | | for _ in 0..M { [INFO] [stdout] 93 | | if fastrand::u32(..N) == 0 { [INFO] [stdout] 94 | | drop(rw.write().await); [INFO] [stdout] ... | [INFO] [stdout] 99 | | tx.send(()).await.unwrap(); [INFO] [stdout] 100 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused pinned boxed `Future` trait object that must be used [INFO] [stdout] --> tests/std.rs:116:5 [INFO] [stdout] | [INFO] [stdout] 116 | / spawn({ [INFO] [stdout] 117 | | let lock = lock.clone(); [INFO] [stdout] 118 | | async move { [INFO] [stdout] 119 | | let mut lock = lock.write().await; [INFO] [stdout] ... | [INFO] [stdout] 127 | | } [INFO] [stdout] 128 | | }); [INFO] [stdout] | |______^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s [INFO] running `Command { std: "docker" "inspect" "d8e80161cfc4fbba103b034d8e9d53b534628f22f5fbf30751937fe3e40c7923", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8e80161cfc4fbba103b034d8e9d53b534628f22f5fbf30751937fe3e40c7923", kill_on_drop: false }` [INFO] [stdout] d8e80161cfc4fbba103b034d8e9d53b534628f22f5fbf30751937fe3e40c7923