[INFO] fetching crate plugger-macros 0.2.0...
[INFO] testing plugger-macros-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate plugger-macros 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate plugger-macros 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 plugger-macros 0.2.0
[INFO] finished tweaking crates.io crate plugger-macros 0.2.0
[INFO] tweaked toml for crates.io crate plugger-macros 0.2.0 written to /workspace/builds/worker-3/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plugger-ruby v0.2.0
[INFO] [stderr]   Downloaded plugger-core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 14b5df6dccd3f39e64a5d0a4bd7625c03ab5a798770fa2fdd2cd75da4800ccdd
[INFO] running `Command { std: "docker" "start" "-a" "14b5df6dccd3f39e64a5d0a4bd7625c03ab5a798770fa2fdd2cd75da4800ccdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b5df6dccd3f39e64a5d0a4bd7625c03ab5a798770fa2fdd2cd75da4800ccdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b5df6dccd3f39e64a5d0a4bd7625c03ab5a798770fa2fdd2cd75da4800ccdd", kill_on_drop: false }`
[INFO] [stdout] 14b5df6dccd3f39e64a5d0a4bd7625c03ab5a798770fa2fdd2cd75da4800ccdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e4c940b50a2a4b377ec8af94e6299d1e875875ea90f833a784032e027d01de7a
[INFO] running `Command { std: "docker" "start" "-a" "e4c940b50a2a4b377ec8af94e6299d1e875875ea90f833a784032e027d01de7a", 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 lazy_static v0.2.11
[INFO] [stderr]    Compiling plugger-core v0.2.0
[INFO] [stderr]    Compiling mri-sys v0.2.6
[INFO] [stderr]    Compiling rurust v0.1.11
[INFO] [stderr]    Compiling plugger-ruby v0.2.0
[INFO] [stdout] error[E0624]: associated function `new` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/plugger-ruby-0.2.0/src/lib.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 |         match rurust::VM::new() {
[INFO] [stdout]    |                           ^^^ private associated function
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rurust-0.1.11/src/vm.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn new() -> Result<Self, ErrorKind> {
[INFO] [stdout]    |     ----------------------------------- private associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0624`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plugger-ruby` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e4c940b50a2a4b377ec8af94e6299d1e875875ea90f833a784032e027d01de7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c940b50a2a4b377ec8af94e6299d1e875875ea90f833a784032e027d01de7a", kill_on_drop: false }`
[INFO] [stdout] e4c940b50a2a4b377ec8af94e6299d1e875875ea90f833a784032e027d01de7a