[INFO] fetching crate jrust 0.2.0...
[INFO] testing jrust-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate jrust 0.2.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate jrust 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jrust 0.2.0
[INFO] finished tweaking crates.io crate jrust 0.2.0
[INFO] tweaked toml for crates.io crate jrust 0.2.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 632e70f5c756f35915b6b46d2cf8f5b980fa4a684e451cc23fc24709e969ff16
[INFO] running `Command { std: "docker" "start" "-a" "632e70f5c756f35915b6b46d2cf8f5b980fa4a684e451cc23fc24709e969ff16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "632e70f5c756f35915b6b46d2cf8f5b980fa4a684e451cc23fc24709e969ff16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632e70f5c756f35915b6b46d2cf8f5b980fa4a684e451cc23fc24709e969ff16", kill_on_drop: false }`
[INFO] [stdout] 632e70f5c756f35915b6b46d2cf8f5b980fa4a684e451cc23fc24709e969ff16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a610948137e1e450b0705a9310c3e55a0270ee85c62c1929ffb1789d2b9b8c69
[INFO] running `Command { std: "docker" "start" "-a" "a610948137e1e450b0705a9310c3e55a0270ee85c62c1929ffb1789d2b9b8c69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jrust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "a610948137e1e450b0705a9310c3e55a0270ee85c62c1929ffb1789d2b9b8c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a610948137e1e450b0705a9310c3e55a0270ee85c62c1929ffb1789d2b9b8c69", kill_on_drop: false }`
[INFO] [stdout] a610948137e1e450b0705a9310c3e55a0270ee85c62c1929ffb1789d2b9b8c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dba58e762937a41bbe9a023dd1fd219ec67dee571912589290fe0a70355279c
[INFO] running `Command { std: "docker" "start" "-a" "6dba58e762937a41bbe9a023dd1fd219ec67dee571912589290fe0a70355279c", kill_on_drop: false }`
[INFO] [stderr]    Compiling jrust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> examples/class.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |             System.out.print((this.field));
[INFO] [stdout]    |                              ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -             System.out.print((this.field));
[INFO] [stdout] 19 +             System.out.print(this.field);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> examples/interrop-java.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |             System.out.println((this.val));
[INFO] [stdout]    |                                ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -             System.out.println((this.val));
[INFO] [stdout] 15 +             System.out.println(this.val);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/jrust-c50e191cd7fb03cc)
[INFO] running `Command { std: "docker" "inspect" "6dba58e762937a41bbe9a023dd1fd219ec67dee571912589290fe0a70355279c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dba58e762937a41bbe9a023dd1fd219ec67dee571912589290fe0a70355279c", kill_on_drop: false }`
[INFO] [stdout] 6dba58e762937a41bbe9a023dd1fd219ec67dee571912589290fe0a70355279c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85080a139c64e0f19aae6a1122352a4b5044d755763dd46130a0ee3863468015
[INFO] running `Command { std: "docker" "start" "-a" "85080a139c64e0f19aae6a1122352a4b5044d755763dd46130a0ee3863468015", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> examples/interrop-java.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 |             System.out.println((this.val));
[INFO] [stderr]    |                                ^        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 15 -             System.out.println((this.val));
[INFO] [stderr] 15 +             System.out.println(this.val);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `jrust` (example "interrop-java") generated 1 warning
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> examples/class.rs:19:30
[INFO] [stderr]    |
[INFO] [stderr] 19 |             System.out.print((this.field));
[INFO] [stderr]    |                              ^          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 19 -             System.out.print((this.field));
[INFO] [stderr] 19 +             System.out.print(this.field);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `jrust` (example "class") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jrust-c50e191cd7fb03cc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jrust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85080a139c64e0f19aae6a1122352a4b5044d755763dd46130a0ee3863468015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85080a139c64e0f19aae6a1122352a4b5044d755763dd46130a0ee3863468015", kill_on_drop: false }`
[INFO] [stdout] 85080a139c64e0f19aae6a1122352a4b5044d755763dd46130a0ee3863468015