[INFO] cloning repository https://github.com/google/evcxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/google/evcxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] efd40ed0abcac5df5b4c5d1651107b3f8927888c
[INFO] checking google/evcxr against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr" "/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/google/evcxr 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/google/evcxr
[INFO] finished tweaking git repo https://github.com/google/evcxr
[INFO] tweaked toml for git repo https://github.com/google/evcxr written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/google/evcxr 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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e19856edd4aabe966927d946705a7ef9ce7d561ba0eab40c6b88ce9f82cfa556
[INFO] running `Command { std: "docker" "start" "-a" "e19856edd4aabe966927d946705a7ef9ce7d561ba0eab40c6b88ce9f82cfa556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e19856edd4aabe966927d946705a7ef9ce7d561ba0eab40c6b88ce9f82cfa556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e19856edd4aabe966927d946705a7ef9ce7d561ba0eab40c6b88ce9f82cfa556", kill_on_drop: false }`
[INFO] [stdout] e19856edd4aabe966927d946705a7ef9ce7d561ba0eab40c6b88ce9f82cfa556
[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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+8ea250bdb76176ecb0225baa34aa634b024ae0e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03e4f8adece636305555cdd394e72fe1b01d6eb85fa6852b683a40283221840a
[INFO] running `Command { std: "docker" "start" "-a" "03e4f8adece636305555cdd394e72fe1b01d6eb85fa6852b683a40283221840a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking evcxr_runtime v1.1.0 (/opt/rustwide/workdir/evcxr_runtime)
[INFO] [stderr]     Checking radix_trie v0.2.1
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[INFO] [stderr]     Checking crossbeam-deque v0.8.1
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[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crypto-common v0.1.5
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[INFO] [stderr]     Checking chrono v0.4.19
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[INFO] [stderr]     Checking const-random v0.1.13
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[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking ra_ap_test_utils v0.0.128
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[INFO] [stderr]     Checking evcxr_image v1.1.0 (/opt/rustwide/workdir/runtimes/evcxr_image)
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.22
[INFO] [stderr]    Compiling salsa-macros v0.17.0-pre.2
[INFO] [stderr]    Compiling chalk-derive v0.84.0
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]     Checking chalk-ir v0.84.0
[INFO] [stderr]     Checking salsa v0.17.0-pre.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking ra_ap_vfs-notify v0.0.128
[INFO] [stderr]     Checking chalk-solve v0.84.0
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking asynchronous-codec v0.6.0
[INFO] [stderr]     Checking futures v0.3.24
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[INFO] [stdout] error[E0391]: cycle detected when type-checking `transport::tcp::begin_accept`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / pub(crate) async fn begin_accept<T>(
[INFO] [stdout] 29 | |     mut host: Host,
[INFO] [stdout] 30 | |     port: Port,
[INFO] [stdout] 31 | |     cback: impl Fn(ZmqResult<(FramedIo, Endpoint)>) -> T + Send + 'static,
[INFO] [stdout] 32 | | ) -> ZmqResult<(Endpoint, AcceptStopHandle)>
[INFO] [stdout] 33 | | where
[INFO] [stdout] 34 | |     T: std::future::Future<Output = ()> + Send + 'static,
[INFO] [stdout]    | |_________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout] note: ...which requires generator glue MIR for `transport::tcp::begin_accept::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let task_handle = async_rt::task::spawn(async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 40 | |         let mut stop_callback = stop_callback.fuse();
[INFO] [stdout] 41 | |         loop {
[INFO] [stdout] 42 | |             select! {
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         Ok(())
[INFO] [stdout] 59 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires elaborating drops for `transport::tcp::begin_accept::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let task_handle = async_rt::task::spawn(async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 40 | |         let mut stop_callback = stop_callback.fuse();
[INFO] [stdout] 41 | |         loop {
[INFO] [stdout] 42 | |             select! {
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         Ok(())
[INFO] [stdout] 59 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires borrow-checking `transport::tcp::begin_accept::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let task_handle = async_rt::task::spawn(async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 40 | |         let mut stop_callback = stop_callback.fuse();
[INFO] [stdout] 41 | |         loop {
[INFO] [stdout] 42 | |             select! {
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         Ok(())
[INFO] [stdout] 59 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing `transport::tcp::begin_accept::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let task_handle = async_rt::task::spawn(async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 40 | |         let mut stop_callback = stop_callback.fuse();
[INFO] [stdout] 41 | |         loop {
[INFO] [stdout] 42 | |             select! {
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         Ok(())
[INFO] [stdout] 59 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires processing MIR for `transport::tcp::begin_accept::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let task_handle = async_rt::task::spawn(async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 40 | |         let mut stop_callback = stop_callback.fuse();
[INFO] [stdout] 41 | |         loop {
[INFO] [stdout] 42 | |             select! {
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         Ok(())
[INFO] [stdout] 59 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires unsafety-checking `transport::tcp::begin_accept::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let task_handle = async_rt::task::spawn(async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 40 | |         let mut stop_callback = stop_callback.fuse();
[INFO] [stdout] 41 | |         loop {
[INFO] [stdout] 42 | |             select! {
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         Ok(())
[INFO] [stdout] 59 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires building MIR for `transport::tcp::begin_accept::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let task_handle = async_rt::task::spawn(async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 40 | |         let mut stop_callback = stop_callback.fuse();
[INFO] [stdout] 41 | |         loop {
[INFO] [stdout] 42 | |             select! {
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         Ok(())
[INFO] [stdout] 59 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] note: ...which requires type-checking `transport::tcp::begin_accept::{closure#0}::{closure#0}`...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:39:56
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let task_handle = async_rt::task::spawn(async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 40 | |         let mut stop_callback = stop_callback.fuse();
[INFO] [stdout] 41 | |         loop {
[INFO] [stdout] 42 | |             select! {
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |         Ok(())
[INFO] [stdout] 59 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout]    = note: ...which again requires type-checking `transport::tcp::begin_accept`, completing the cycle
[INFO] [stdout] note: cycle used when building MIR for `transport::tcp::begin_accept`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zeromq-0.3.3/src/transport/tcp.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / pub(crate) async fn begin_accept<T>(
[INFO] [stdout] 29 | |     mut host: Host,
[INFO] [stdout] 30 | |     port: Port,
[INFO] [stdout] 31 | |     cback: impl Fn(ZmqResult<(FramedIo, Endpoint)>) -> T + Send + 'static,
[INFO] [stdout] 32 | | ) -> ZmqResult<(Endpoint, AcceptStopHandle)>
[INFO] [stdout] 33 | | where
[INFO] [stdout] 34 | |     T: std::future::Future<Output = ()> + Send + 'static,
[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 `zeromq` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "03e4f8adece636305555cdd394e72fe1b01d6eb85fa6852b683a40283221840a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e4f8adece636305555cdd394e72fe1b01d6eb85fa6852b683a40283221840a", kill_on_drop: false }`
[INFO] [stdout] 03e4f8adece636305555cdd394e72fe1b01d6eb85fa6852b683a40283221840a