[INFO] fetching crate rust-jni-generator 0.1.0...
[INFO] testing rust-jni-generator-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rust-jni-generator 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rust-jni-generator 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-jni-generator 0.1.0
[INFO] finished tweaking crates.io crate rust-jni-generator 0.1.0
[INFO] tweaked toml for crates.io crate rust-jni-generator 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rust-jni v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6657dd3f7638dd6aa123f4b2cc642ecf108206af5a1a839b4dff52fae6a9b099
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6657dd3f7638dd6aa123f4b2cc642ecf108206af5a1a839b4dff52fae6a9b099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6657dd3f7638dd6aa123f4b2cc642ecf108206af5a1a839b4dff52fae6a9b099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6657dd3f7638dd6aa123f4b2cc642ecf108206af5a1a839b4dff52fae6a9b099", kill_on_drop: false }`
[INFO] [stdout] 6657dd3f7638dd6aa123f4b2cc642ecf108206af5a1a839b4dff52fae6a9b099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0872c4cd5953af944b687c30fa3d0a136deb19b2d2bde4e4fb1253eb87853e92
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0872c4cd5953af944b687c30fa3d0a136deb19b2d2bde4e4fb1253eb87853e92", kill_on_drop: false }`
[INFO] [stderr]    Compiling jni-sys v0.3.0
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling rust-jni v0.1.0
[INFO] [stderr]    Compiling rust-jni-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1784:29
[INFO] [stdout]      |
[INFO] [stdout] 1784 |                         let mut implements = implements
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.33s
[INFO] running `Command { std: "docker" "inspect" "0872c4cd5953af944b687c30fa3d0a136deb19b2d2bde4e4fb1253eb87853e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0872c4cd5953af944b687c30fa3d0a136deb19b2d2bde4e4fb1253eb87853e92", kill_on_drop: false }`
[INFO] [stdout] 0872c4cd5953af944b687c30fa3d0a136deb19b2d2bde4e4fb1253eb87853e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80af3a878eb20cd6e806ed1e678331f106aecaad9eab1f5fd91a037c3f06cf8e
[INFO] running `Command { std: "docker" "start" "-a" "80af3a878eb20cd6e806ed1e678331f106aecaad9eab1f5fd91a037c3f06cf8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-jni-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1784:29
[INFO] [stdout]      |
[INFO] [stdout] 1784 |                         let mut implements = implements
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]   --> tests/test.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | /         java_generate! {
[INFO] [stdout] 35 | |             public interface c.d.TestInterface2 extends e.f.TestInterface1 {}
[INFO] [stdout] 36 | |
[INFO] [stdout] 37 | |             public class c.d.TestClass1 {
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |             }
[INFO] [stdout] 62 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: message: called `Option::unwrap()` on a `None` value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> tests/test.rs:72:9
[INFO] [stdout]     |
[INFO] [stdout] 72  | /         java_generate! {
[INFO] [stdout] 73  | |             public interface a.b.TestInterface3 {
[INFO] [stdout] 74  | |                 long primitiveInterfaceFunc3(int arg1, char arg2);
[INFO] [stdout] 75  | |                 a.b.TestClass3 objectInterfaceFunc3(a.b.TestClass3 arg);
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | |             }
[INFO] [stdout] 133 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: called `Option::unwrap()` on a `None` value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-jni-generator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/lib.rs:1784:29
[INFO] [stdout]      |
[INFO] [stdout] 1784 |                         let mut implements = implements
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "80af3a878eb20cd6e806ed1e678331f106aecaad9eab1f5fd91a037c3f06cf8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80af3a878eb20cd6e806ed1e678331f106aecaad9eab1f5fd91a037c3f06cf8e", kill_on_drop: false }`
[INFO] [stdout] 80af3a878eb20cd6e806ed1e678331f106aecaad9eab1f5fd91a037c3f06cf8e