[INFO] fetching crate j4rs 0.11.2...
[INFO] checking j4rs-0.11.2 against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] extracting crate j4rs 0.11.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate j4rs 0.11.2 on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate j4rs 0.11.2
[INFO] finished tweaking crates.io crate j4rs 0.11.2
[INFO] tweaked toml for crates.io crate j4rs 0.11.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0acb921f935d173fe112d11764760799c5ec61cab1e68c95c503d5d149c1cee7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0acb921f935d173fe112d11764760799c5ec61cab1e68c95c503d5d149c1cee7"`
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling java-locator v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]    Compiling j4rs v0.11.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] warning: function is never used: `set_factory_constructor_method`
[INFO] [stderr]    --> src/cache.rs:492:15
[INFO] [stderr]     |
[INFO] [stderr] 492 | pub(crate) fn set_factory_constructor_method(j: jmethodID) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_factory_constructor_method`
[INFO] [stderr]    --> src/cache.rs:499:15
[INFO] [stderr]     |
[INFO] [stderr] 499 | pub(crate) fn get_factory_constructor_method() -> errors::Result<jmethodID> {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_float_class`
[INFO] [stderr]     --> src/cache.rs:1315:15
[INFO] [stderr]      |
[INFO] [stderr] 1315 | pub(crate) fn set_float_class(j: jclass) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_float_class`
[INFO] [stderr]     --> src/cache.rs:1322:15
[INFO] [stderr]      |
[INFO] [stderr] 1322 | pub(crate) fn get_float_class() -> errors::Result<jclass> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_float_constructor_method`
[INFO] [stderr]     --> src/cache.rs:1337:15
[INFO] [stderr]      |
[INFO] [stderr] 1337 | pub(crate) fn set_float_constructor_method(j: jmethodID) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_float_constructor_method`
[INFO] [stderr]     --> src/cache.rs:1344:15
[INFO] [stderr]      |
[INFO] [stderr] 1344 | pub(crate) fn get_float_constructor_method() -> errors::Result<jmethodID> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_double_class`
[INFO] [stderr]     --> src/cache.rs:1368:15
[INFO] [stderr]      |
[INFO] [stderr] 1368 | pub(crate) fn set_double_class(j: jclass) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_double_class`
[INFO] [stderr]     --> src/cache.rs:1375:15
[INFO] [stderr]      |
[INFO] [stderr] 1375 | pub(crate) fn get_double_class() -> errors::Result<jclass> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_double_constructor_method`
[INFO] [stderr]     --> src/cache.rs:1390:15
[INFO] [stderr]      |
[INFO] [stderr] 1390 | pub(crate) fn set_double_constructor_method(j: jmethodID) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_double_constructor_method`
[INFO] [stderr]     --> src/cache.rs:1397:15
[INFO] [stderr]      |
[INFO] [stderr] 1397 | pub(crate) fn get_double_constructor_method() -> errors::Result<jmethodID> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_factory_constructor_method`
[INFO] [stderr]    --> src/cache.rs:492:15
[INFO] [stderr]     |
[INFO] [stderr] 492 | pub(crate) fn set_factory_constructor_method(j: jmethodID) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_factory_constructor_method`
[INFO] [stderr]    --> src/cache.rs:499:15
[INFO] [stderr]     |
[INFO] [stderr] 499 | pub(crate) fn get_factory_constructor_method() -> errors::Result<jmethodID> {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_float_class`
[INFO] [stderr]     --> src/cache.rs:1315:15
[INFO] [stderr]      |
[INFO] [stderr] 1315 | pub(crate) fn set_float_class(j: jclass) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_float_class`
[INFO] [stderr]     --> src/cache.rs:1322:15
[INFO] [stderr]      |
[INFO] [stderr] 1322 | pub(crate) fn get_float_class() -> errors::Result<jclass> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_float_constructor_method`
[INFO] [stderr]     --> src/cache.rs:1337:15
[INFO] [stderr]      |
[INFO] [stderr] 1337 | pub(crate) fn set_float_constructor_method(j: jmethodID) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_float_constructor_method`
[INFO] [stderr]     --> src/cache.rs:1344:15
[INFO] [stderr]      |
[INFO] [stderr] 1344 | pub(crate) fn get_float_constructor_method() -> errors::Result<jmethodID> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_double_class`
[INFO] [stderr]     --> src/cache.rs:1368:15
[INFO] [stderr]      |
[INFO] [stderr] 1368 | pub(crate) fn set_double_class(j: jclass) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_double_class`
[INFO] [stderr]     --> src/cache.rs:1375:15
[INFO] [stderr]      |
[INFO] [stderr] 1375 | pub(crate) fn get_double_class() -> errors::Result<jclass> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_double_constructor_method`
[INFO] [stderr]     --> src/cache.rs:1390:15
[INFO] [stderr]      |
[INFO] [stderr] 1390 | pub(crate) fn set_double_constructor_method(j: jmethodID) {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_double_constructor_method`
[INFO] [stderr]     --> src/cache.rs:1397:15
[INFO] [stderr]      |
[INFO] [stderr] 1397 | pub(crate) fn get_double_constructor_method() -> errors::Result<jmethodID> {
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `"docker" "inspect" "0acb921f935d173fe112d11764760799c5ec61cab1e68c95c503d5d149c1cee7"`
[INFO] running `"docker" "rm" "-f" "0acb921f935d173fe112d11764760799c5ec61cab1e68c95c503d5d149c1cee7"`
[INFO] [stdout] 0acb921f935d173fe112d11764760799c5ec61cab1e68c95c503d5d149c1cee7