[INFO] fetching crate async-slot 0.1.0... [INFO] checking async-slot-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate async-slot 0.1.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate async-slot 0.1.0 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-slot 0.1.0 [INFO] finished tweaking crates.io crate async-slot 0.1.0 [INFO] tweaked toml for crates.io crate async-slot 0.1.0 written to /workspace/builds/worker-3-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 2 packages [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3fd8a351e46447bada2e5962a62c5afe93cf4ab8ea7f09d00caffd8d41a59b5c [INFO] running `Command { std: "docker" "start" "-a" "3fd8a351e46447bada2e5962a62c5afe93cf4ab8ea7f09d00caffd8d41a59b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fd8a351e46447bada2e5962a62c5afe93cf4ab8ea7f09d00caffd8d41a59b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fd8a351e46447bada2e5962a62c5afe93cf4ab8ea7f09d00caffd8d41a59b5c", kill_on_drop: false }` [INFO] [stdout] 3fd8a351e46447bada2e5962a62c5afe93cf4ab8ea7f09d00caffd8d41a59b5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a545bd00940332f3538dff8411f5c7e64cfadfb54a1dc97a51752575ac4678d0 [INFO] running `Command { std: "docker" "start" "-a" "a545bd00940332f3538dff8411f5c7e64cfadfb54a1dc97a51752575ac4678d0", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking async-slot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `AssertKindsSender` is never used [INFO] [stdout] --> src/sync.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | trait AssertKindsSender: Send + Sync {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AssertKindsReceiver` is never used [INFO] [stdout] --> src/sync.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | trait AssertKindsReceiver: Send + Sync {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AssertKindsSender` is never used [INFO] [stdout] --> src/sync.rs:40:7 [INFO] [stdout] | [INFO] [stdout] 40 | trait AssertKindsSender: Send + Sync {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AssertKindsReceiver` is never used [INFO] [stdout] --> src/sync.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | trait AssertKindsReceiver: Send + Sync {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/slot.rs:203:22 [INFO] [stdout] | [INFO] [stdout] 203 | fn list() -> Box> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 203 | fn list() -> Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tx` is never read [INFO] [stdout] --> tests/slot.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | tx = tx.send(2).wait().unwrap(); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `AssertSend` is never used [INFO] [stdout] --> tests/slot.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | trait AssertSend: Send {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.47s [INFO] running `Command { std: "docker" "inspect" "a545bd00940332f3538dff8411f5c7e64cfadfb54a1dc97a51752575ac4678d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a545bd00940332f3538dff8411f5c7e64cfadfb54a1dc97a51752575ac4678d0", kill_on_drop: false }` [INFO] [stdout] a545bd00940332f3538dff8411f5c7e64cfadfb54a1dc97a51752575ac4678d0