[INFO] fetching crate async-http-proxy 1.2.5...
[INFO] testing async-http-proxy-1.2.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate async-http-proxy 1.2.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate async-http-proxy 1.2.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-http-proxy 1.2.5
[INFO] tweaked toml for crates.io crate async-http-proxy 1.2.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-http-proxy 1.2.5 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate async-http-proxy 1.2.5 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.13.1
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[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef328d0fc7952921c2fb97e6cd0a8647ee3adb783d25f5b80fcf09ab0c2c6e87
[INFO] running `Command { std: "docker" "start" "-a" "ef328d0fc7952921c2fb97e6cd0a8647ee3adb783d25f5b80fcf09ab0c2c6e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef328d0fc7952921c2fb97e6cd0a8647ee3adb783d25f5b80fcf09ab0c2c6e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef328d0fc7952921c2fb97e6cd0a8647ee3adb783d25f5b80fcf09ab0c2c6e87", kill_on_drop: false }`
[INFO] [stdout] ef328d0fc7952921c2fb97e6cd0a8647ee3adb783d25f5b80fcf09ab0c2c6e87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] ddb9d6383854d943ddb7b0fb926eada2fa6b582ac11c470b275e50118b646ab7
[INFO] running `Command { std: "docker" "start" "-a" "ddb9d6383854d943ddb7b0fb926eada2fa6b582ac11c470b275e50118b646ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling httparse v1.6.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling async-http-proxy v1.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: An async runtime have to be specified by feature: "runtime-tokio" "runtime-async-std"
[INFO] [stdout]   --> src/lib.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / compile_error!(
[INFO] [stdout] 52 | |     "An async runtime have to be specified by feature: \"runtime-tokio\" \"runtime-async-std\""
[INFO] [stdout] 53 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Result`
[INFO] [stdout]  --> src/request.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MAXIMUM_RESPONSE_HEADER_LENGTH`
[INFO] [stdout]  --> src/response.rs:1:50
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{HttpError, MAXIMUM_RESPONSE_HEADERS, MAXIMUM_RESPONSE_HEADER_LENGTH};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-http-proxy` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ddb9d6383854d943ddb7b0fb926eada2fa6b582ac11c470b275e50118b646ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb9d6383854d943ddb7b0fb926eada2fa6b582ac11c470b275e50118b646ab7", kill_on_drop: false }`
[INFO] [stdout] ddb9d6383854d943ddb7b0fb926eada2fa6b582ac11c470b275e50118b646ab7