[INFO] fetching crate udp-streamify 0.1.1...
[INFO] checking udp-streamify-0.1.1 against try#8ea250bdb76176ecb0225baa34aa634b024ae0e2 for pr-101692
[INFO] extracting crate udp-streamify 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate udp-streamify 0.1.1 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 udp-streamify 0.1.1
[INFO] finished tweaking crates.io crate udp-streamify 0.1.1
[INFO] tweaked toml for crates.io crate udp-streamify 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate udp-streamify 0.1.1 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 84b4af8ae92d6ee83ac5e34a477c6f94058567f6c0174eaecbb0bd9686ffe665
[INFO] running `Command { std: "docker" "start" "-a" "84b4af8ae92d6ee83ac5e34a477c6f94058567f6c0174eaecbb0bd9686ffe665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84b4af8ae92d6ee83ac5e34a477c6f94058567f6c0174eaecbb0bd9686ffe665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b4af8ae92d6ee83ac5e34a477c6f94058567f6c0174eaecbb0bd9686ffe665", kill_on_drop: false }`
[INFO] [stdout] 84b4af8ae92d6ee83ac5e34a477c6f94058567f6c0174eaecbb0bd9686ffe665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 555b59ad5ab1a228acf7964fbc48643a9570ce74b2c8046e4b89d2ddab30f55c
[INFO] running `Command { std: "docker" "start" "-a" "555b59ad5ab1a228acf7964fbc48643a9570ce74b2c8046e4b89d2ddab30f55c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking udp-streamify v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0391]: cycle detected when type-checking `reader`
[INFO] [stdout]    --> src/lib.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     tokio::spawn(async move {
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/lib.rs:163:45: 205:22]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires elaborating drops for `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires borrow-checking `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires processing `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires processing MIR for `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires unsafety-checking `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires building MIR for `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires type-checking `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     = note: ...which again requires type-checking `reader`, 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 `reader`
[INFO] [stdout]    --> src/lib.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                     tokio::spawn(async move {
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: ...which requires evaluating trait selection obligation `[generator interior@src/lib.rs:163:45: 205:22]: core::marker::Send`...
[INFO] [stdout] note: ...which requires generator glue MIR for `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires elaborating drops for `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires borrow-checking `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires processing `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires processing MIR for `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires unsafety-checking `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires building MIR for `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] note: ...which requires type-checking `reader::{closure#0}::{closure#0}`...
[INFO] [stdout]    --> src/lib.rs:163:45
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       tokio::spawn(async move {
[INFO] [stdout]     |  _____________________________________________^
[INFO] [stdout] 164 | |                         //self to remote {{{
[INFO] [stdout] 165 | |
[INFO] [stdout] 166 | |                         loop {
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |                         }
[INFO] [stdout] 205 | |                     }); //}}}
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     = note: ...which again requires type-checking `reader`, 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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `udp-streamify` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0391`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `udp-streamify` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "555b59ad5ab1a228acf7964fbc48643a9570ce74b2c8046e4b89d2ddab30f55c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555b59ad5ab1a228acf7964fbc48643a9570ce74b2c8046e4b89d2ddab30f55c", kill_on_drop: false }`
[INFO] [stdout] 555b59ad5ab1a228acf7964fbc48643a9570ce74b2c8046e4b89d2ddab30f55c