[INFO] fetching crate p5-sys 0.1.1...
[INFO] testing p5-sys-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate p5-sys 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate p5-sys 0.1.1 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 p5-sys 0.1.1
[INFO] finished tweaking crates.io crate p5-sys 0.1.1
[INFO] tweaked toml for crates.io crate p5-sys 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 26799d1023892007268605f1543b8edddd879fdea5576e660221910acf037b10
[INFO] running `Command { std: "docker" "start" "-a" "26799d1023892007268605f1543b8edddd879fdea5576e660221910acf037b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26799d1023892007268605f1543b8edddd879fdea5576e660221910acf037b10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26799d1023892007268605f1543b8edddd879fdea5576e660221910acf037b10", kill_on_drop: false }`
[INFO] [stdout] 26799d1023892007268605f1543b8edddd879fdea5576e660221910acf037b10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f21e03930104aab7b137b5b6aa056488121b0fca1cfef2bf55cea426404aa142
[INFO] running `Command { std: "docker" "start" "-a" "f21e03930104aab7b137b5b6aa056488121b0fca1cfef2bf55cea426404aa142", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]    Compiling bumpalo v3.9.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[INFO] [stderr]    Compiling js-sys v0.3.57
[INFO] [stderr]    Compiling p5-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `p5-sys` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f21e03930104aab7b137b5b6aa056488121b0fca1cfef2bf55cea426404aa142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21e03930104aab7b137b5b6aa056488121b0fca1cfef2bf55cea426404aa142", kill_on_drop: false }`
[INFO] [stdout] f21e03930104aab7b137b5b6aa056488121b0fca1cfef2bf55cea426404aa142