[INFO] cloning repository https://github.com/xpepermint/readwrapper-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xpepermint/readwrapper-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxpepermint%2Freadwrapper-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxpepermint%2Freadwrapper-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b19d926f88b69b3ca4738f861b82083da11f1874 [INFO] checking xpepermint/readwrapper-example against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxpepermint%2Freadwrapper-example" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xpepermint/readwrapper-example on toolchain 8ea250bdb76176ecb0225baa34aa634b024ae0e2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xpepermint/readwrapper-example [INFO] finished tweaking git repo https://github.com/xpepermint/readwrapper-example [INFO] tweaked toml for git repo https://github.com/xpepermint/readwrapper-example written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/xpepermint/readwrapper-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d75294fe09f9731dbbfe48f9ef427fd1428d7aab057a0ec93bfccefe3716d01d [INFO] running `Command { std: "docker" "start" "-a" "d75294fe09f9731dbbfe48f9ef427fd1428d7aab057a0ec93bfccefe3716d01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d75294fe09f9731dbbfe48f9ef427fd1428d7aab057a0ec93bfccefe3716d01d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d75294fe09f9731dbbfe48f9ef427fd1428d7aab057a0ec93bfccefe3716d01d", kill_on_drop: false }` [INFO] [stdout] d75294fe09f9731dbbfe48f9ef427fd1428d7aab057a0ec93bfccefe3716d01d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b7c913124802ced68569de3f826252a57b9bedd15ef06fd1b9d22137dc04b37d [INFO] running `Command { std: "docker" "start" "-a" "b7c913124802ced68569de3f826252a57b9bedd15ef06fd1b9d22137dc04b37d", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling proc-macro2 v1.0.13 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.22 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking kv-log-macro v1.0.5 [INFO] [stderr] Compiling quote v1.0.5 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking async-task v1.3.1 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling pin-project-internal v0.4.16 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Checking pin-project v0.4.16 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking broadcaster v1.0.0 [INFO] [stderr] Checking async-std v1.5.0 [INFO] [stdout] error[E0391]: cycle detected when type-checking `task::builder::::spawn` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | / pub fn spawn(self, future: F) -> io::Result> [INFO] [stdout] 32 | | where [INFO] [stdout] 33 | | F: Future + Send + 'static, [INFO] [stdout] 34 | | T: Send + 'static, [INFO] [stdout] | |__________________________^ [INFO] [stdout] | [INFO] [stdout] note: ...which requires generator glue MIR for `task::builder::::spawn::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:47:33 [INFO] [stdout] | [INFO] [stdout] 47 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 48 | | // Drop task-locals on exit. [INFO] [stdout] 49 | | defer! { [INFO] [stdout] 50 | | Task::get_current(|t| unsafe { t.drop_locals() }); [INFO] [stdout] ... | [INFO] [stdout] 64 | | future.await [INFO] [stdout] 65 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires elaborating drops for `task::builder::::spawn::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:47:33 [INFO] [stdout] | [INFO] [stdout] 47 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 48 | | // Drop task-locals on exit. [INFO] [stdout] 49 | | defer! { [INFO] [stdout] 50 | | Task::get_current(|t| unsafe { t.drop_locals() }); [INFO] [stdout] ... | [INFO] [stdout] 64 | | future.await [INFO] [stdout] 65 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires borrow-checking `task::builder::::spawn::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:47:33 [INFO] [stdout] | [INFO] [stdout] 47 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 48 | | // Drop task-locals on exit. [INFO] [stdout] 49 | | defer! { [INFO] [stdout] 50 | | Task::get_current(|t| unsafe { t.drop_locals() }); [INFO] [stdout] ... | [INFO] [stdout] 64 | | future.await [INFO] [stdout] 65 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires processing `task::builder::::spawn::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:47:33 [INFO] [stdout] | [INFO] [stdout] 47 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 48 | | // Drop task-locals on exit. [INFO] [stdout] 49 | | defer! { [INFO] [stdout] 50 | | Task::get_current(|t| unsafe { t.drop_locals() }); [INFO] [stdout] ... | [INFO] [stdout] 64 | | future.await [INFO] [stdout] 65 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires processing MIR for `task::builder::::spawn::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:47:33 [INFO] [stdout] | [INFO] [stdout] 47 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 48 | | // Drop task-locals on exit. [INFO] [stdout] 49 | | defer! { [INFO] [stdout] 50 | | Task::get_current(|t| unsafe { t.drop_locals() }); [INFO] [stdout] ... | [INFO] [stdout] 64 | | future.await [INFO] [stdout] 65 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires unsafety-checking `task::builder::::spawn::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:47:33 [INFO] [stdout] | [INFO] [stdout] 47 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 48 | | // Drop task-locals on exit. [INFO] [stdout] 49 | | defer! { [INFO] [stdout] 50 | | Task::get_current(|t| unsafe { t.drop_locals() }); [INFO] [stdout] ... | [INFO] [stdout] 64 | | future.await [INFO] [stdout] 65 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires building MIR for `task::builder::::spawn::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:47:33 [INFO] [stdout] | [INFO] [stdout] 47 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 48 | | // Drop task-locals on exit. [INFO] [stdout] 49 | | defer! { [INFO] [stdout] 50 | | Task::get_current(|t| unsafe { t.drop_locals() }); [INFO] [stdout] ... | [INFO] [stdout] 64 | | future.await [INFO] [stdout] 65 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires type-checking `task::builder::::spawn::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/builder.rs:47:33 [INFO] [stdout] | [INFO] [stdout] 47 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 48 | | // Drop task-locals on exit. [INFO] [stdout] 49 | | defer! { [INFO] [stdout] 50 | | Task::get_current(|t| unsafe { t.drop_locals() }); [INFO] [stdout] ... | [INFO] [stdout] 64 | | future.await [INFO] [stdout] 65 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] = note: ...which again requires type-checking `task::builder::::spawn`, completing the cycle [INFO] [stdout] = note: cycle used when type-checking all item bodies [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 E0391`. [INFO] [stdout] [INFO] [stderr] error: could not compile `async-std` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b7c913124802ced68569de3f826252a57b9bedd15ef06fd1b9d22137dc04b37d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7c913124802ced68569de3f826252a57b9bedd15ef06fd1b9d22137dc04b37d", kill_on_drop: false }` [INFO] [stdout] b7c913124802ced68569de3f826252a57b9bedd15ef06fd1b9d22137dc04b37d