[INFO] cloning repository https://github.com/codebam/chatserver-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codebam/chatserver-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d249c91682b311ae665e91eaaf3b4a0ecaf138b9 [INFO] checking codebam/chatserver-rust against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodebam%2Fchatserver-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/codebam/chatserver-rust 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/codebam/chatserver-rust [INFO] finished tweaking git repo https://github.com/codebam/chatserver-rust [INFO] tweaked toml for git repo https://github.com/codebam/chatserver-rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/codebam/chatserver-rust 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6c605faa70b6bdb07022b12dce915d92150646f2169fdd954d04fb3ec9cb8580 [INFO] running `Command { std: "docker" "start" "-a" "6c605faa70b6bdb07022b12dce915d92150646f2169fdd954d04fb3ec9cb8580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c605faa70b6bdb07022b12dce915d92150646f2169fdd954d04fb3ec9cb8580", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c605faa70b6bdb07022b12dce915d92150646f2169fdd954d04fb3ec9cb8580", kill_on_drop: false }` [INFO] [stdout] 6c605faa70b6bdb07022b12dce915d92150646f2169fdd954d04fb3ec9cb8580 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 318d71c625044f509364db27919da1bab16f6c49326b9b37caec730c75fef1bb [INFO] running `Command { std: "docker" "start" "-a" "318d71c625044f509364db27919da1bab16f6c49326b9b37caec730c75fef1bb", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking async-macros v1.0.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking sha2 v0.8.0 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-timer v0.4.0 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.18 [INFO] [stderr] Checking async-std v0.99.6 [INFO] [stdout] error[E0391]: cycle detected when type-checking `task::pool::::spawn` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | / pub fn spawn(&self, future: F, builder: Builder) -> JoinHandle [INFO] [stdout] 54 | | where [INFO] [stdout] 55 | | F: Future + Send + 'static, [INFO] [stdout] 56 | | T: Send + 'static, [INFO] [stdout] | |__________________________^ [INFO] [stdout] | [INFO] [stdout] note: ...which requires generator glue MIR for `task::pool::::spawn::{closure#1}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 74 | | let res = future.await; [INFO] [stdout] 75 | | trace!("spawn completed", { [INFO] [stdout] 76 | | parent_id: parent_id, [INFO] [stdout] ... | [INFO] [stdout] 79 | | res [INFO] [stdout] 80 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires elaborating drops for `task::pool::::spawn::{closure#1}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 74 | | let res = future.await; [INFO] [stdout] 75 | | trace!("spawn completed", { [INFO] [stdout] 76 | | parent_id: parent_id, [INFO] [stdout] ... | [INFO] [stdout] 79 | | res [INFO] [stdout] 80 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires borrow-checking `task::pool::::spawn::{closure#1}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 74 | | let res = future.await; [INFO] [stdout] 75 | | trace!("spawn completed", { [INFO] [stdout] 76 | | parent_id: parent_id, [INFO] [stdout] ... | [INFO] [stdout] 79 | | res [INFO] [stdout] 80 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires processing `task::pool::::spawn::{closure#1}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 74 | | let res = future.await; [INFO] [stdout] 75 | | trace!("spawn completed", { [INFO] [stdout] 76 | | parent_id: parent_id, [INFO] [stdout] ... | [INFO] [stdout] 79 | | res [INFO] [stdout] 80 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires processing MIR for `task::pool::::spawn::{closure#1}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 74 | | let res = future.await; [INFO] [stdout] 75 | | trace!("spawn completed", { [INFO] [stdout] 76 | | parent_id: parent_id, [INFO] [stdout] ... | [INFO] [stdout] 79 | | res [INFO] [stdout] 80 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires unsafety-checking `task::pool::::spawn::{closure#1}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 74 | | let res = future.await; [INFO] [stdout] 75 | | trace!("spawn completed", { [INFO] [stdout] 76 | | parent_id: parent_id, [INFO] [stdout] ... | [INFO] [stdout] 79 | | res [INFO] [stdout] 80 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires building MIR for `task::pool::::spawn::{closure#1}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 74 | | let res = future.await; [INFO] [stdout] 75 | | trace!("spawn completed", { [INFO] [stdout] 76 | | parent_id: parent_id, [INFO] [stdout] ... | [INFO] [stdout] 79 | | res [INFO] [stdout] 80 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] note: ...which requires type-checking `task::pool::::spawn::{closure#1}`... [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.6/src/task/pool.rs:73:33 [INFO] [stdout] | [INFO] [stdout] 73 | let future = async move { [INFO] [stdout] | _________________________________^ [INFO] [stdout] 74 | | let res = future.await; [INFO] [stdout] 75 | | trace!("spawn completed", { [INFO] [stdout] 76 | | parent_id: parent_id, [INFO] [stdout] ... | [INFO] [stdout] 79 | | res [INFO] [stdout] 80 | | }; [INFO] [stdout] | |_________^ [INFO] [stdout] = note: ...which again requires type-checking `task::pool::::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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "318d71c625044f509364db27919da1bab16f6c49326b9b37caec730c75fef1bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "318d71c625044f509364db27919da1bab16f6c49326b9b37caec730c75fef1bb", kill_on_drop: false }` [INFO] [stdout] 318d71c625044f509364db27919da1bab16f6c49326b9b37caec730c75fef1bb