[INFO] cloning repository https://github.com/hwchen/example-wrap-stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwchen/example-wrap-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fexample-wrap-stream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fexample-wrap-stream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5096fbe05b89a3df201efe37048f62b034865139
[INFO] checking hwchen/example-wrap-stream against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwchen%2Fexample-wrap-stream" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hwchen/example-wrap-stream on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hwchen/example-wrap-stream
[INFO] finished tweaking git repo https://github.com/hwchen/example-wrap-stream
[INFO] tweaked toml for git repo https://github.com/hwchen/example-wrap-stream written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/hwchen/example-wrap-stream already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--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/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7533035e6eb19f34e92de8ed6fcb2385650420f9e8a3dd7bb410a922e9e73715
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7533035e6eb19f34e92de8ed6fcb2385650420f9e8a3dd7bb410a922e9e73715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7533035e6eb19f34e92de8ed6fcb2385650420f9e8a3dd7bb410a922e9e73715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7533035e6eb19f34e92de8ed6fcb2385650420f9e8a3dd7bb410a922e9e73715", kill_on_drop: false }`
[INFO] [stdout] 7533035e6eb19f34e92de8ed6fcb2385650420f9e8a3dd7bb410a922e9e73715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-e" "RUSTFLAGS=--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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 913d6993d6f941c0d3dfe4a0be245afb7d2cc3a90a9cb0fb9f017347d9907e87
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "913d6993d6f941c0d3dfe4a0be245afb7d2cc3a90a9cb0fb9f017347d9907e87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking example-wrap-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Tokio02AsyncWriteCompatExt`
[INFO] [stdout]  --> src/main.rs:7:61
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio_util::compat::{Compat, Tokio02AsyncReadCompatExt, Tokio02AsyncWriteCompatExt};
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll_read` found for struct `Compat<tokio::net::TcpStream>` in the current scope
[INFO] [stdout]   --> src/main.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |         (*self.0).poll_read(cx, buf)
[INFO] [stdout]    |                   ^^^^^^^^^ method not found in `Compat<tokio::net::TcpStream>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll_write` found for struct `Pin<&mut &Compat<tokio::net::TcpStream>>` in the current scope
[INFO] [stdout]   --> src/main.rs:49:33
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Pin::new(&mut &*self.0).poll_write(cx, buf)
[INFO] [stdout]    |                                 ^^^^^^^^^^ method not found in `Pin<&mut &Compat<tokio::net::TcpStream>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll_flush` found for struct `Pin<&mut &Compat<tokio::net::TcpStream>>` in the current scope
[INFO] [stdout]   --> src/main.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 |         Pin::new(&mut &*self.0).poll_flush(cx)
[INFO] [stdout]    |                                 ^^^^^^^^^^ method not found in `Pin<&mut &Compat<tokio::net::TcpStream>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `poll_close` found for struct `Pin<&mut &Compat<tokio::net::TcpStream>>` in the current scope
[INFO] [stdout]   --> src/main.rs:57:33
[INFO] [stdout]    |
[INFO] [stdout] 57 |         Pin::new(&mut &*self.0).poll_close(cx)
[INFO] [stdout]    |                                 ^^^^^^^^^^ method not found in `Pin<&mut &Compat<tokio::net::TcpStream>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `example-wrap-stream`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "913d6993d6f941c0d3dfe4a0be245afb7d2cc3a90a9cb0fb9f017347d9907e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913d6993d6f941c0d3dfe4a0be245afb7d2cc3a90a9cb0fb9f017347d9907e87", kill_on_drop: false }`
[INFO] [stdout] 913d6993d6f941c0d3dfe4a0be245afb7d2cc3a90a9cb0fb9f017347d9907e87