[INFO] fetching crate jrust 0.2.0...
[INFO] testing jrust-0.2.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate jrust 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate jrust 0.2.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30bd93dd68a1ba9684b41a8021b7269e791946923235e88363d7f33705f2752b
[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" "30bd93dd68a1ba9684b41a8021b7269e791946923235e88363d7f33705f2752b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30bd93dd68a1ba9684b41a8021b7269e791946923235e88363d7f33705f2752b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30bd93dd68a1ba9684b41a8021b7269e791946923235e88363d7f33705f2752b", kill_on_drop: false }`
[INFO] [stdout] 30bd93dd68a1ba9684b41a8021b7269e791946923235e88363d7f33705f2752b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864b0236c882dc6308fbd193dffbb5a3d5c30be550c7a899710d596cef339f10
[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" "864b0236c882dc6308fbd193dffbb5a3d5c30be550c7a899710d596cef339f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling jrust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "864b0236c882dc6308fbd193dffbb5a3d5c30be550c7a899710d596cef339f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864b0236c882dc6308fbd193dffbb5a3d5c30be550c7a899710d596cef339f10", kill_on_drop: false }`
[INFO] [stdout] 864b0236c882dc6308fbd193dffbb5a3d5c30be550c7a899710d596cef339f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc0a198f2fbc0941354b8bc793324337a86d4cbda542e63cb918f7dedfa9d7de
[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" "fc0a198f2fbc0941354b8bc793324337a86d4cbda542e63cb918f7dedfa9d7de", 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]    |                              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]    |                                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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 0.72s
[INFO] running `Command { std: "docker" "inspect" "fc0a198f2fbc0941354b8bc793324337a86d4cbda542e63cb918f7dedfa9d7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0a198f2fbc0941354b8bc793324337a86d4cbda542e63cb918f7dedfa9d7de", kill_on_drop: false }`
[INFO] [stdout] fc0a198f2fbc0941354b8bc793324337a86d4cbda542e63cb918f7dedfa9d7de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c8920c5d14a61ccadc581c12c6e9e46ee292ef6ac77c35fe7e43bda6cfef9c6
[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" "5c8920c5d14a61ccadc581c12c6e9e46ee292ef6ac77c35fe7e43bda6cfef9c6", kill_on_drop: false }`
[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]    |                              ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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]    |                                ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jrust-d7e6b3ef57e832b0)
[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] [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" "5c8920c5d14a61ccadc581c12c6e9e46ee292ef6ac77c35fe7e43bda6cfef9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c8920c5d14a61ccadc581c12c6e9e46ee292ef6ac77c35fe7e43bda6cfef9c6", kill_on_drop: false }`
[INFO] [stdout] 5c8920c5d14a61ccadc581c12c6e9e46ee292ef6ac77c35fe7e43bda6cfef9c6