[INFO] fetching crate asio-sys 0.2.0...
[INFO] testing asio-sys-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate asio-sys 0.2.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate asio-sys 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asio-sys 0.2.0
[INFO] finished tweaking crates.io crate asio-sys 0.2.0
[INFO] tweaked toml for crates.io crate asio-sys 0.2.0 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate asio-sys 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded lazycell v1.2.1
[INFO] [stderr]   Downloaded bindgen v0.54.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a148e52603387d0c89670fb907594d900a496908187fe081c0f3453969651a55
[INFO] running `Command { std: "docker" "start" "-a" "a148e52603387d0c89670fb907594d900a496908187fe081c0f3453969651a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a148e52603387d0c89670fb907594d900a496908187fe081c0f3453969651a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a148e52603387d0c89670fb907594d900a496908187fe081c0f3453969651a55", kill_on_drop: false }`
[INFO] [stdout] a148e52603387d0c89670fb907594d900a496908187fe081c0f3453969651a55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e0e242436349ac6633394f54b8a25775823ef8fc75fd7033cc2c0278e08c64c
[INFO] running `Command { std: "docker" "start" "-a" "1e0e242436349ac6633394f54b8a25775823ef8fc75fd7033cc2c0278e08c64c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling asio-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `bindgen`
[INFO] [stdout]  --> build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate bindgen;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `cc`
[INFO] [stdout]  --> build.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate cc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `walkdir`
[INFO] [stdout]  --> build.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate walkdir;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `WalkDir`
[INFO] [stdout]   --> build.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |         for entry in WalkDir::new(&dir_to_walk).max_depth(1) {
[INFO] [stdout]    |                      ^^^^^^^ use of undeclared type `WalkDir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `WalkDir`
[INFO] [stdout]    --> build.rs:108:18
[INFO] [stdout]     |
[INFO] [stdout] 108 |     for entry in WalkDir::new(&cpal_asio_dir) {
[INFO] [stdout]     |                  ^^^^^^^ use of undeclared type `WalkDir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0463.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asio-sys` due to 6 previous errors
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1e0e242436349ac6633394f54b8a25775823ef8fc75fd7033cc2c0278e08c64c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0e242436349ac6633394f54b8a25775823ef8fc75fd7033cc2c0278e08c64c", kill_on_drop: false }`
[INFO] [stdout] 1e0e242436349ac6633394f54b8a25775823ef8fc75fd7033cc2c0278e08c64c