[INFO] fetching crate rji 0.1.0...
[INFO] checking rji-0.1.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate rji 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rji 0.1.0
[INFO] finished tweaking crates.io crate rji 0.1.0
[INFO] tweaked toml for crates.io crate rji 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rji 0.1.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding jni v0.21.1 (available: v0.22.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a38c9276537237822286f781448e151cb4b0a16bd965483c9a769e54a28e4308
[INFO] running `Command { std: "docker" "start" "-a" "a38c9276537237822286f781448e151cb4b0a16bd965483c9a769e54a28e4308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38c9276537237822286f781448e151cb4b0a16bd965483c9a769e54a28e4308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38c9276537237822286f781448e151cb4b0a16bd965483c9a769e54a28e4308", kill_on_drop: false }`
[INFO] [stdout] a38c9276537237822286f781448e151cb4b0a16bd965483c9a769e54a28e4308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c4d3b5666f1ced72cec3c9a1ff3bb58e6b547efbf1c98bc6c695b68215a7ff8
[INFO] running `Command { std: "docker" "start" "-a" "6c4d3b5666f1ced72cec3c9a1ff3bb58e6b547efbf1c98bc6c695b68215a7ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling jni-sys v0.3.1
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling jni-sys-macros v0.4.1
[INFO] [stderr]     Checking jni-sys v0.4.1
[INFO] [stderr]     Checking jni v0.21.1
[INFO] [stderr]     Checking rji v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `impl_is_instance`
[INFO] [stdout]   --> src/object.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub(crate) use impl_is_instance;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `impl_is_instance`
[INFO] [stdout]   --> src/object.rs:50:16
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub(crate) use impl_is_instance;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `WildcardExtends` is never constructed
[INFO] [stdout]   --> src/misc.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct WildcardExtends<T>(T);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construct` is never used
[INFO] [stdout]   --> src/misc.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T> WildcardExtends<T> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 62 |     pub(crate) fn construct(object: T) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/misc.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn as_object(&self) -> &impl JavaRef<Yield = Object> {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                      |         ||
[INFO] [stdout]    |                      |         |the same lifetime is hidden here
[INFO] [stdout]    |                      |         the same lifetime is elided here
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn as_object(&self) -> &impl JavaRef<'_, Yield = Object> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `WildcardExtends` is never constructed
[INFO] [stdout]   --> src/misc.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct WildcardExtends<T>(T);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construct` is never used
[INFO] [stdout]   --> src/misc.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T> WildcardExtends<T> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 62 |     pub(crate) fn construct(object: T) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/misc.rs:50:22
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn as_object(&self) -> &impl JavaRef<Yield = Object> {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                      |         ||
[INFO] [stdout]    |                      |         |the same lifetime is hidden here
[INFO] [stdout]    |                      |         the same lifetime is elided here
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn as_object(&self) -> &impl JavaRef<'_, Yield = Object> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rji` (lib) due to 1 previous error; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rji` (lib test) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6c4d3b5666f1ced72cec3c9a1ff3bb58e6b547efbf1c98bc6c695b68215a7ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4d3b5666f1ced72cec3c9a1ff3bb58e6b547efbf1c98bc6c695b68215a7ff8", kill_on_drop: false }`
[INFO] [stdout] 6c4d3b5666f1ced72cec3c9a1ff3bb58e6b547efbf1c98bc6c695b68215a7ff8
