[INFO] fetching crate diath 0.5.1...
[INFO] checking diath-0.5.1 against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] extracting crate diath 0.5.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate diath 0.5.1 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 crates.io crate diath 0.5.1
[INFO] finished tweaking crates.io crate diath 0.5.1
[INFO] tweaked toml for crates.io crate diath 0.5.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9356de29739ba6451f7ac92f323fcf9977be4b3a73ce7487a216c9fe0f2ed7f9
[INFO] running `Command { std: "docker" "start" "-a" "9356de29739ba6451f7ac92f323fcf9977be4b3a73ce7487a216c9fe0f2ed7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9356de29739ba6451f7ac92f323fcf9977be4b3a73ce7487a216c9fe0f2ed7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9356de29739ba6451f7ac92f323fcf9977be4b3a73ce7487a216c9fe0f2ed7f9", kill_on_drop: false }`
[INFO] [stdout] 9356de29739ba6451f7ac92f323fcf9977be4b3a73ce7487a216c9fe0f2ed7f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5dc6f18be2d4944eb2a9d0814059569eb250e980bf12313629d94501a5568eba
[INFO] running `Command { std: "docker" "start" "-a" "5dc6f18be2d4944eb2a9d0814059569eb250e980bf12313629d94501a5568eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking diath v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0391]: cycle detected when type-checking `timer::execute_task_until_timeout`
[INFO] [stdout]   --> src/timer/mod.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub async fn execute_task_until_timeout<Task, Duration>(task: Task, duration: Duration) -> JoinHandle<TaskTimeoutResult<Task::Output>>
[INFO] [stdout] 34 | |     where Task: Future + Send + 'static,
[INFO] [stdout] 35 | |           Task::Output: Send,
[INFO] [stdout] 36 | |           Duration: Into<std::time::Duration>,
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] note: ...which requires generator glue MIR for `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires building MIR for `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires type-checking `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = note: ...which again requires type-checking `timer::execute_task_until_timeout`, completing the cycle
[INFO] [stdout] note: cycle used when building MIR for `timer::execute_task_until_timeout`
[INFO] [stdout]   --> src/timer/mod.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub async fn execute_task_until_timeout<Task, Duration>(task: Task, duration: Duration) -> JoinHandle<TaskTimeoutResult<Task::Output>>
[INFO] [stdout] 34 | |     where Task: Future + Send + 'static,
[INFO] [stdout] 35 | |           Task::Output: Send,
[INFO] [stdout] 36 | |           Duration: Into<std::time::Duration>,
[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 E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diath` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0391]: cycle detected when type-checking `timer::execute_task_until_timeout`
[INFO] [stdout]   --> src/timer/mod.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub async fn execute_task_until_timeout<Task, Duration>(task: Task, duration: Duration) -> JoinHandle<TaskTimeoutResult<Task::Output>>
[INFO] [stdout] 34 | |     where Task: Future + Send + 'static,
[INFO] [stdout] 35 | |           Task::Output: Send,
[INFO] [stdout] 36 | |           Duration: Into<std::time::Duration>,
[INFO] [stdout]    | |______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] note: ...which requires generator glue MIR for `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires building MIR for `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires type-checking `timer::execute_task_until_timeout::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> src/timer/mod.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let f = async {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 40 | |         tokio::select! {
[INFO] [stdout] 41 | |         _ = timeout => {
[INFO] [stdout] 42 | |             TaskTimeoutResult::Timeout
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |     }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = note: ...which again requires type-checking `timer::execute_task_until_timeout`, completing the cycle
[INFO] [stdout] note: cycle used when building MIR for `timer::execute_task_until_timeout`
[INFO] [stdout]   --> src/timer/mod.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub async fn execute_task_until_timeout<Task, Duration>(task: Task, duration: Duration) -> JoinHandle<TaskTimeoutResult<Task::Output>>
[INFO] [stdout] 34 | |     where Task: Future + Send + 'static,
[INFO] [stdout] 35 | |           Task::Output: Send,
[INFO] [stdout] 36 | |           Duration: Into<std::time::Duration>,
[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 E0391`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diath` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5dc6f18be2d4944eb2a9d0814059569eb250e980bf12313629d94501a5568eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc6f18be2d4944eb2a9d0814059569eb250e980bf12313629d94501a5568eba", kill_on_drop: false }`
[INFO] [stdout] 5dc6f18be2d4944eb2a9d0814059569eb250e980bf12313629d94501a5568eba