[INFO] cloning repository https://github.com/evopen/async-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evopen/async-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevopen%2Fasync-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevopen%2Fasync-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b11e4dff37c04b770cbc4b27fce8693002a045b9 [INFO] checking evopen/async-playground against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevopen%2Fasync-playground" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/evopen/async-playground 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/evopen/async-playground [INFO] finished tweaking git repo https://github.com/evopen/async-playground [INFO] tweaked toml for git repo https://github.com/evopen/async-playground written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/evopen/async-playground 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 82d874f061817cb2de13f2f49dc4f9207f4f1cc5327a957547eb8ac400e4a2c9 [INFO] running `Command { std: "docker" "start" "-a" "82d874f061817cb2de13f2f49dc4f9207f4f1cc5327a957547eb8ac400e4a2c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82d874f061817cb2de13f2f49dc4f9207f4f1cc5327a957547eb8ac400e4a2c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82d874f061817cb2de13f2f49dc4f9207f4f1cc5327a957547eb8ac400e4a2c9", kill_on_drop: false }` [INFO] [stdout] 82d874f061817cb2de13f2f49dc4f9207f4f1cc5327a957547eb8ac400e4a2c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8b550d151e33875cd7a6e31e283b18bd68563ada011324e3c93261d1c5e6724c [INFO] running `Command { std: "docker" "start" "-a" "8b550d151e33875cd7a6e31e283b18bd68563ada011324e3c93261d1c5e6724c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.1.11 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking futures-sink v0.3.8 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking vec-arena v1.0.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking cpuid-bool v0.1.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling tokio v0.3.6 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking http v0.2.2 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Checking async-channel v1.5.1 [INFO] [stderr] Checking futures-lite v1.11.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking nb-connect v1.0.2 [INFO] [stderr] Checking mio v0.7.6 [INFO] [stderr] Checking rand_core v0.6.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking async-io v1.2.0 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stdout] error[E0391]: cycle detected when type-checking `::poll_read` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:663:5 [INFO] [stdout] | [INFO] [stdout] 663 | / fn poll_read( [INFO] [stdout] 664 | | mut self: Pin<&mut Self>, [INFO] [stdout] 665 | | cx: &mut Context<'_>, [INFO] [stdout] 666 | | buf: &mut [u8], [INFO] [stdout] 667 | | ) -> Poll> { [INFO] [stdout] | |________________________________^ [INFO] [stdout] | [INFO] [stdout] note: ...which requires generator glue MIR for `::poll_read::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:691:59 [INFO] [stdout] | [INFO] [stdout] 691 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 692 | | // Copy bytes from the I/O handle into the pipe until the pipe is closed or [INFO] [stdout] 693 | | // an error occurs. [INFO] [stdout] 694 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 700 | | } [INFO] [stdout] 701 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires elaborating drops for `::poll_read::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:691:59 [INFO] [stdout] | [INFO] [stdout] 691 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 692 | | // Copy bytes from the I/O handle into the pipe until the pipe is closed or [INFO] [stdout] 693 | | // an error occurs. [INFO] [stdout] 694 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 700 | | } [INFO] [stdout] 701 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires borrow-checking `::poll_read::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:691:59 [INFO] [stdout] | [INFO] [stdout] 691 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 692 | | // Copy bytes from the I/O handle into the pipe until the pipe is closed or [INFO] [stdout] 693 | | // an error occurs. [INFO] [stdout] 694 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 700 | | } [INFO] [stdout] 701 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires processing `::poll_read::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:691:59 [INFO] [stdout] | [INFO] [stdout] 691 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 692 | | // Copy bytes from the I/O handle into the pipe until the pipe is closed or [INFO] [stdout] 693 | | // an error occurs. [INFO] [stdout] 694 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 700 | | } [INFO] [stdout] 701 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires processing MIR for `::poll_read::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:691:59 [INFO] [stdout] | [INFO] [stdout] 691 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 692 | | // Copy bytes from the I/O handle into the pipe until the pipe is closed or [INFO] [stdout] 693 | | // an error occurs. [INFO] [stdout] 694 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 700 | | } [INFO] [stdout] 701 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires unsafety-checking `::poll_read::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:691:59 [INFO] [stdout] | [INFO] [stdout] 691 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 692 | | // Copy bytes from the I/O handle into the pipe until the pipe is closed or [INFO] [stdout] 693 | | // an error occurs. [INFO] [stdout] 694 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 700 | | } [INFO] [stdout] 701 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires building MIR for `::poll_read::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:691:59 [INFO] [stdout] | [INFO] [stdout] 691 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 692 | | // Copy bytes from the I/O handle into the pipe until the pipe is closed or [INFO] [stdout] 693 | | // an error occurs. [INFO] [stdout] 694 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 700 | | } [INFO] [stdout] 701 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires type-checking `::poll_read::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:691:59 [INFO] [stdout] | [INFO] [stdout] 691 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 692 | | // Copy bytes from the I/O handle into the pipe until the pipe is closed or [INFO] [stdout] 693 | | // an error occurs. [INFO] [stdout] 694 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 700 | | } [INFO] [stdout] 701 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] = note: ...which again requires type-checking `::poll_read`, completing the cycle [INFO] [stdout] = note: cycle used when type-checking all item bodies [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0391]: cycle detected when type-checking `::poll_write` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:731:5 [INFO] [stdout] | [INFO] [stdout] 731 | / fn poll_write( [INFO] [stdout] 732 | | mut self: Pin<&mut Self>, [INFO] [stdout] 733 | | cx: &mut Context<'_>, [INFO] [stdout] 734 | | buf: &[u8], [INFO] [stdout] 735 | | ) -> Poll> { [INFO] [stdout] | |________________________________^ [INFO] [stdout] | [INFO] [stdout] note: ...which requires generator glue MIR for `::poll_write::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:759:59 [INFO] [stdout] | [INFO] [stdout] 759 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 760 | | // Copy bytes from the pipe into the I/O handle until the pipe is closed or an [INFO] [stdout] 761 | | // error occurs. Flush the I/O handle at the end. [INFO] [stdout] 762 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 771 | | } [INFO] [stdout] 772 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires elaborating drops for `::poll_write::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:759:59 [INFO] [stdout] | [INFO] [stdout] 759 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 760 | | // Copy bytes from the pipe into the I/O handle until the pipe is closed or an [INFO] [stdout] 761 | | // error occurs. Flush the I/O handle at the end. [INFO] [stdout] 762 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 771 | | } [INFO] [stdout] 772 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires borrow-checking `::poll_write::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:759:59 [INFO] [stdout] | [INFO] [stdout] 759 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 760 | | // Copy bytes from the pipe into the I/O handle until the pipe is closed or an [INFO] [stdout] 761 | | // error occurs. Flush the I/O handle at the end. [INFO] [stdout] 762 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 771 | | } [INFO] [stdout] 772 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires processing `::poll_write::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:759:59 [INFO] [stdout] | [INFO] [stdout] 759 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 760 | | // Copy bytes from the pipe into the I/O handle until the pipe is closed or an [INFO] [stdout] 761 | | // error occurs. Flush the I/O handle at the end. [INFO] [stdout] 762 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 771 | | } [INFO] [stdout] 772 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires processing MIR for `::poll_write::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:759:59 [INFO] [stdout] | [INFO] [stdout] 759 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 760 | | // Copy bytes from the pipe into the I/O handle until the pipe is closed or an [INFO] [stdout] 761 | | // error occurs. Flush the I/O handle at the end. [INFO] [stdout] 762 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 771 | | } [INFO] [stdout] 772 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires unsafety-checking `::poll_write::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:759:59 [INFO] [stdout] | [INFO] [stdout] 759 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 760 | | // Copy bytes from the pipe into the I/O handle until the pipe is closed or an [INFO] [stdout] 761 | | // error occurs. Flush the I/O handle at the end. [INFO] [stdout] 762 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 771 | | } [INFO] [stdout] 772 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires building MIR for `::poll_write::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:759:59 [INFO] [stdout] | [INFO] [stdout] 759 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 760 | | // Copy bytes from the pipe into the I/O handle until the pipe is closed or an [INFO] [stdout] 761 | | // error occurs. Flush the I/O handle at the end. [INFO] [stdout] 762 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 771 | | } [INFO] [stdout] 772 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] note: ...which requires type-checking `::poll_write::{closure#0}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/blocking-1.0.2/src/lib.rs:759:59 [INFO] [stdout] | [INFO] [stdout] 759 | let task = Executor::spawn(async move { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 760 | | // Copy bytes from the pipe into the I/O handle until the pipe is closed or an [INFO] [stdout] 761 | | // error occurs. Flush the I/O handle at the end. [INFO] [stdout] 762 | | loop { [INFO] [stdout] ... | [INFO] [stdout] 771 | | } [INFO] [stdout] 772 | | }); [INFO] [stdout] | |_____________________^ [INFO] [stdout] = note: ...which again requires type-checking `::poll_write`, completing the cycle [INFO] [stdout] = note: cycle used when type-checking all item bodies [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0391`. [INFO] [stdout] [INFO] [stderr] error: could not compile `blocking` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8b550d151e33875cd7a6e31e283b18bd68563ada011324e3c93261d1c5e6724c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b550d151e33875cd7a6e31e283b18bd68563ada011324e3c93261d1c5e6724c", kill_on_drop: false }` [INFO] [stdout] 8b550d151e33875cd7a6e31e283b18bd68563ada011324e3c93261d1c5e6724c