[INFO] fetching crate singleflight-async 0.1.1... [INFO] checking singleflight-async-0.1.1 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate singleflight-async 0.1.1 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate singleflight-async 0.1.1 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate singleflight-async 0.1.1 [INFO] finished tweaking crates.io crate singleflight-async 0.1.1 [INFO] tweaked toml for crates.io crate singleflight-async 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate singleflight-async 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bcac3a520535afe1f70af9f79abccdf5be779f169fb7be6a87d6f242fbcb2baa [INFO] running `Command { std: "docker" "start" "-a" "bcac3a520535afe1f70af9f79abccdf5be779f169fb7be6a87d6f242fbcb2baa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bcac3a520535afe1f70af9f79abccdf5be779f169fb7be6a87d6f242fbcb2baa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcac3a520535afe1f70af9f79abccdf5be779f169fb7be6a87d6f242fbcb2baa", kill_on_drop: false }` [INFO] [stdout] bcac3a520535afe1f70af9f79abccdf5be779f169fb7be6a87d6f242fbcb2baa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bb80dd4fe7d0781d6d7924560b0ec45c8683f5f2fbba65d8776522f8afc17b7 [INFO] running `Command { std: "docker" "start" "-a" "9bb80dd4fe7d0781d6d7924560b0ec45c8683f5f2fbba65d8776522f8afc17b7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking singleflight-async v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0700]: hidden type for `impl Future` captures lifetime that does not appear in bounds [INFO] [stdout] --> src/lib.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 158 | pub fn work(&self, key: &str, func: F) -> impl Future [INFO] [stdout] | ---- ----------------------- opaque type defined here [INFO] [stdout] | | [INFO] [stdout] | hidden type `impl Future` captures the anonymous lifetime defined here [INFO] [stdout] ... [INFO] [stdout] 164 | self.work_inner(Key::MaybeBorrowed(key.into()), func) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: to declare that `impl Future` captures `'_`, you can introduce a named lifetime parameter `'a` [INFO] [stdout] | [INFO] [stdout] 158 | pub fn work<'a>(&'a self, key: &'a str, func: F) -> impl Future + 'a [INFO] [stdout] | ++++ ++ ++ ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0700`. [INFO] [stdout] [INFO] [stderr] error: could not compile `singleflight-async` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9bb80dd4fe7d0781d6d7924560b0ec45c8683f5f2fbba65d8776522f8afc17b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bb80dd4fe7d0781d6d7924560b0ec45c8683f5f2fbba65d8776522f8afc17b7", kill_on_drop: false }` [INFO] [stdout] 9bb80dd4fe7d0781d6d7924560b0ec45c8683f5f2fbba65d8776522f8afc17b7