[INFO] fetching crate rust-jni 0.1.0...
[INFO] checking rust-jni-0.1.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate rust-jni 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-jni 0.1.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-jni 0.1.0
[INFO] finished tweaking crates.io crate rust-jni 0.1.0
[INFO] tweaked toml for crates.io crate rust-jni 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74c2f6ef18e2a715a1649f2408ff1b0482af768cc2efab2be353cee8647c23d9
[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" "74c2f6ef18e2a715a1649f2408ff1b0482af768cc2efab2be353cee8647c23d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74c2f6ef18e2a715a1649f2408ff1b0482af768cc2efab2be353cee8647c23d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c2f6ef18e2a715a1649f2408ff1b0482af768cc2efab2be353cee8647c23d9", kill_on_drop: false }`
[INFO] [stdout] 74c2f6ef18e2a715a1649f2408ff1b0482af768cc2efab2be353cee8647c23d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--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] a4aca7eab7d0412d5e278ca1513330e46a8d7f9133e8fa4afa9559b11c0163ac
[INFO] running `Command { std: "docker" "start" "-a" "a4aca7eab7d0412d5e278ca1513330e46a8d7f9133e8fa4afa9559b11c0163ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rust-jni v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jni/generate_class.rs:923:25
[INFO] [stdout]     |
[INFO] [stdout] 923 |             &object as &Deref<Target = Object>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = Object>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/jni/class.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     generate_tests!(Class, "Ljava/lang/Class;");
[INFO] [stdout]     |     -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jni/generate_class.rs:923:25
[INFO] [stdout]     |
[INFO] [stdout] 923 |             &object as &Deref<Target = Object>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = Object>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/jni/string.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 |     generate_tests!(String, "Ljava/lang/String;");
[INFO] [stdout]     |     ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/jni/generate_class.rs:923:25
[INFO] [stdout]     |
[INFO] [stdout] 923 |             &object as &Deref<Target = Object>;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = Object>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/jni/throwable.rs:78:5
[INFO] [stdout]     |
[INFO] [stdout] 78  |     generate_tests!(Throwable, "Ljava/lang/Throwable;");
[INFO] [stdout]     |     ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/jni/native_method.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!(format!("Could not get Java VM. Status: {:?}", status));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("Could not get Java VM. Status: {:?}", status);
[INFO] [stdout]    |                   --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/native_method_env.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     panic!(message);
[INFO] [stdout]    |                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     panic!("{}", message);
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     std::panic::panic_any(message);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/jni/native_method.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!(format!("Could not get Java VM. Status: {:?}", status));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 50 |             panic!("Could not get Java VM. Status: {:?}", status);
[INFO] [stdout]    |                   --                                           --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/jni/native_method.rs:223:24
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 panic!("ERROR".to_owned());
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 panic!("{}", "ERROR".to_owned());
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 223 |                 std::panic::panic_any("ERROR".to_owned());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/jni/native_method.rs:256:24
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 panic!(123);
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 panic!("{}", 123);
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 256 |                 std::panic::panic_any(123);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.92s
[INFO] running `Command { std: "docker" "inspect" "a4aca7eab7d0412d5e278ca1513330e46a8d7f9133e8fa4afa9559b11c0163ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4aca7eab7d0412d5e278ca1513330e46a8d7f9133e8fa4afa9559b11c0163ac", kill_on_drop: false }`
[INFO] [stdout] a4aca7eab7d0412d5e278ca1513330e46a8d7f9133e8fa4afa9559b11c0163ac