[INFO] cloning repository https://github.com/Djudicael/rust_async_await_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Djudicael/rust_async_await_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDjudicael%2Frust_async_await_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDjudicael%2Frust_async_await_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 832e089b412de70f839e22b8833e50c16faaa643
[INFO] checking Djudicael/rust_async_await_sandbox against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDjudicael%2Frust_async_await_sandbox" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Djudicael/rust_async_await_sandbox on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Djudicael/rust_async_await_sandbox
[INFO] finished tweaking git repo https://github.com/Djudicael/rust_async_await_sandbox
[INFO] tweaked toml for git repo https://github.com/Djudicael/rust_async_await_sandbox written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Djudicael/rust_async_await_sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3fd558f9c5f18270d0312fc85d867e02e2318a8ac54d6b337ab85f88e7014b7
[INFO] running `Command { std: "docker" "start" "-a" "c3fd558f9c5f18270d0312fc85d867e02e2318a8ac54d6b337ab85f88e7014b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3fd558f9c5f18270d0312fc85d867e02e2318a8ac54d6b337ab85f88e7014b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fd558f9c5f18270d0312fc85d867e02e2318a8ac54d6b337ab85f88e7014b7", kill_on_drop: false }`
[INFO] [stdout] c3fd558f9c5f18270d0312fc85d867e02e2318a8ac54d6b337ab85f88e7014b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87e3f20b9a6ce2176a0d7d460bd9567f2e259af1aeab3989457d9d4515d10c9d
[INFO] running `Command { std: "docker" "start" "-a" "87e3f20b9a6ce2176a0d7d460bd9567f2e259af1aeab3989457d9d4515d10c9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking async_future v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `lib`
[INFO] [stdout]   --> src/simple.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     use lib::simple::{simpleexec, SimpleFuture};
[INFO] [stdout]    |         ^^^ use of undeclared crate or module `lib`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/simple.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     use std::pin::Pin;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::future::FutureExt`
[INFO] [stdout]   --> src/simple.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use futures::future::FutureExt;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_future` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]  --> src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn process_socket(socket: TcpStream) {
[INFO] [stdout]   |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::SocketAddr`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::SocketAddr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]  --> src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn process_socket(socket: TcpStream) {
[INFO] [stdout]   |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut listener = TcpListener::bind("127.0.0.1:8080").await?;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut listener = TcpListener::bind("127.0.0.1:8080").await?;
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87e3f20b9a6ce2176a0d7d460bd9567f2e259af1aeab3989457d9d4515d10c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87e3f20b9a6ce2176a0d7d460bd9567f2e259af1aeab3989457d9d4515d10c9d", kill_on_drop: false }`
[INFO] [stdout] 87e3f20b9a6ce2176a0d7d460bd9567f2e259af1aeab3989457d9d4515d10c9d
