[INFO] cloning repository https://github.com/kuy/dining-philosophers-aa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kuy/dining-philosophers-aa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fdining-philosophers-aa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fdining-philosophers-aa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb14eba0fb81c51f959332de557d9dec41c18a3b
[INFO] checking kuy/dining-philosophers-aa against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkuy%2Fdining-philosophers-aa" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kuy/dining-philosophers-aa 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/kuy/dining-philosophers-aa
[INFO] finished tweaking git repo https://github.com/kuy/dining-philosophers-aa
[INFO] tweaked toml for git repo https://github.com/kuy/dining-philosophers-aa written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kuy/dining-philosophers-aa 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 50e501f8350cfb803b2ee8eb019556367e4757253b85b222f9b0dc6763095691
[INFO] running `Command { std: "docker" "start" "-a" "50e501f8350cfb803b2ee8eb019556367e4757253b85b222f9b0dc6763095691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50e501f8350cfb803b2ee8eb019556367e4757253b85b222f9b0dc6763095691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e501f8350cfb803b2ee8eb019556367e4757253b85b222f9b0dc6763095691", kill_on_drop: false }`
[INFO] [stdout] 50e501f8350cfb803b2ee8eb019556367e4757253b85b222f9b0dc6763095691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] b2a19d4f1eb7e189f59e3e476589c8f85f24fccb3775441bb076939931654529
[INFO] running `Command { std: "docker" "start" "-a" "b2a19d4f1eb7e189f59e3e476589c8f85f24fccb3775441bb076939931654529", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[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]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking async-std v0.99.3
[INFO] [stdout] error[E0391]: cycle detected when type-checking `task::pool::spawn_with_builder`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:161:1
[INFO] [stdout]     |
[INFO] [stdout] 161 | / pub(crate) fn spawn_with_builder<F, T>(
[INFO] [stdout] 162 | |     builder: Builder,
[INFO] [stdout] 163 | |     future: F,
[INFO] [stdout] 164 | |     fn_name: &'static str,
[INFO] [stdout] ...   |
[INFO] [stdout] 167 | |     F: Future<Output = T> + Send + 'static,
[INFO] [stdout] 168 | |     T: Send + 'static,
[INFO] [stdout]     | |______________________^
[INFO] [stdout]     |
[INFO] [stdout] note: ...which requires generator glue MIR for `task::pool::spawn_with_builder::{closure#2}`...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |       let future = async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 213 | |         let res = future.await;
[INFO] [stdout] 214 | |
[INFO] [stdout] 215 | |         // Abort on panic because thread-local variables behave the same way.
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |         res
[INFO] [stdout] 226 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `task::pool::spawn_with_builder::{closure#2}`...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |       let future = async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 213 | |         let res = future.await;
[INFO] [stdout] 214 | |
[INFO] [stdout] 215 | |         // Abort on panic because thread-local variables behave the same way.
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |         res
[INFO] [stdout] 226 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `task::pool::spawn_with_builder::{closure#2}`...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |       let future = async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 213 | |         let res = future.await;
[INFO] [stdout] 214 | |
[INFO] [stdout] 215 | |         // Abort on panic because thread-local variables behave the same way.
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |         res
[INFO] [stdout] 226 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing `task::pool::spawn_with_builder::{closure#2}`...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |       let future = async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 213 | |         let res = future.await;
[INFO] [stdout] 214 | |
[INFO] [stdout] 215 | |         // Abort on panic because thread-local variables behave the same way.
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |         res
[INFO] [stdout] 226 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `task::pool::spawn_with_builder::{closure#2}`...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |       let future = async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 213 | |         let res = future.await;
[INFO] [stdout] 214 | |
[INFO] [stdout] 215 | |         // Abort on panic because thread-local variables behave the same way.
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |         res
[INFO] [stdout] 226 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `task::pool::spawn_with_builder::{closure#2}`...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |       let future = async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 213 | |         let res = future.await;
[INFO] [stdout] 214 | |
[INFO] [stdout] 215 | |         // Abort on panic because thread-local variables behave the same way.
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |         res
[INFO] [stdout] 226 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires building MIR for `task::pool::spawn_with_builder::{closure#2}`...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |       let future = async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 213 | |         let res = future.await;
[INFO] [stdout] 214 | |
[INFO] [stdout] 215 | |         // Abort on panic because thread-local variables behave the same way.
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |         res
[INFO] [stdout] 226 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout] note: ...which requires type-checking `task::pool::spawn_with_builder::{closure#2}`...
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-0.99.3/src/task/pool.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |       let future = async move {
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 213 | |         let res = future.await;
[INFO] [stdout] 214 | |
[INFO] [stdout] 215 | |         // Abort on panic because thread-local variables behave the same way.
[INFO] [stdout] ...   |
[INFO] [stdout] 225 | |         res
[INFO] [stdout] 226 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     = note: ...which again requires type-checking `task::pool::spawn_with_builder`, 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" "b2a19d4f1eb7e189f59e3e476589c8f85f24fccb3775441bb076939931654529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a19d4f1eb7e189f59e3e476589c8f85f24fccb3775441bb076939931654529", kill_on_drop: false }`
[INFO] [stdout] b2a19d4f1eb7e189f59e3e476589c8f85f24fccb3775441bb076939931654529