Dec 17 18:51:29.069 INFO checking nerd2/rjvm against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:51:29.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nerd2/rjvm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:51:29.496 INFO [stdout] f6e50a80fb2303897ced462ed3a008d08064413ffde2da139fce0e5fc16b8057
Dec 17 18:51:29.502 INFO running `"docker" "start" "-a" "f6e50a80fb2303897ced462ed3a008d08064413ffde2da139fce0e5fc16b8057"`
Dec 17 18:51:31.044 INFO [stderr]     Checking assert_approx_eq v1.0.0
Dec 17 18:51:31.044 INFO [stderr]     Checking checksum v0.2.1
Dec 17 18:51:31.044 INFO [stderr]    Compiling bzip2-sys v0.1.6
Dec 17 18:51:31.044 INFO [stderr]     Checking memchr v0.1.11
Dec 17 18:51:31.044 INFO [stderr]     Checking msdos_time v0.1.5
Dec 17 18:51:31.044 INFO [stderr]     Checking thread-id v2.0.0
Dec 17 18:51:31.560 INFO [stderr]     Checking thread_local v0.2.7
Dec 17 18:51:31.822 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 17 18:51:32.440 INFO [stderr]     Checking regex v0.1.80
Dec 17 18:51:34.110 INFO [stderr]     Checking bzip2 v0.3.2
Dec 17 18:51:34.674 INFO [stderr]     Checking zip v0.2.6
Dec 17 18:51:35.384 INFO [stderr]     Checking os_type v1.0.0
Dec 17 18:51:35.937 INFO [stderr]     Checking rjvm v0.1.0 (/opt/crater/workdir)
Dec 17 18:51:36.816 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 17 18:51:36.817 INFO [stderr]   --> src/reader/builtins/mod.rs:12:19
Dec 17 18:51:36.817 INFO [stderr]    |
Dec 17 18:51:36.817 INFO [stderr] 12 |         return Ok((true));
Dec 17 18:51:36.817 INFO [stderr]    |                   ^^^^^^ help: remove these parentheses
Dec 17 18:51:36.817 INFO [stderr]    |
Dec 17 18:51:36.817 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 18:51:36.817 INFO [stderr] 
Dec 17 18:51:36.817 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 17 18:51:36.817 INFO [stderr]   --> src/reader/builtins/mod.rs:15:19
Dec 17 18:51:36.817 INFO [stderr]    |
Dec 17 18:51:36.817 INFO [stderr] 15 |         return Ok((true));
Dec 17 18:51:36.817 INFO [stderr]    |                   ^^^^^^ help: remove these parentheses
Dec 17 18:51:36.817 INFO [stderr] 
Dec 17 18:51:36.817 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 17 18:51:36.817 INFO [stderr]   --> src/reader/builtins/mod.rs:18:19
Dec 17 18:51:36.817 INFO [stderr]    |
Dec 17 18:51:36.817 INFO [stderr] 18 |         return Ok((true));
Dec 17 18:51:36.817 INFO [stderr]    |                   ^^^^^^ help: remove these parentheses
Dec 17 18:51:36.817 INFO [stderr] 
Dec 17 18:51:36.832 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 17 18:51:36.832 INFO [stderr]   --> src/reader/builtins/mod.rs:12:19
Dec 17 18:51:36.832 INFO [stderr]    |
Dec 17 18:51:36.832 INFO [stderr] 12 |         return Ok((true));
Dec 17 18:51:36.832 INFO [stderr]    |                   ^^^^^^ help: remove these parentheses
Dec 17 18:51:36.832 INFO [stderr]    |
Dec 17 18:51:36.832 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 17 18:51:36.832 INFO [stderr] 
Dec 17 18:51:36.832 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 17 18:51:36.833 INFO [stderr]   --> src/reader/builtins/mod.rs:15:19
Dec 17 18:51:36.833 INFO [stderr]    |
Dec 17 18:51:36.833 INFO [stderr] 15 |         return Ok((true));
Dec 17 18:51:36.833 INFO [stderr]    |                   ^^^^^^ help: remove these parentheses
Dec 17 18:51:36.833 INFO [stderr] 
Dec 17 18:51:36.833 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 17 18:51:36.833 INFO [stderr]   --> src/reader/builtins/mod.rs:18:19
Dec 17 18:51:36.833 INFO [stderr]    |
Dec 17 18:51:36.833 INFO [stderr] 18 |         return Ok((true));
Dec 17 18:51:36.833 INFO [stderr]    |                   ^^^^^^ help: remove these parentheses
Dec 17 18:51:36.833 INFO [stderr] 
Dec 17 18:51:40.482 INFO [stderr] warning: constant item is never used: `ACC_PRIVATE`
Dec 17 18:51:40.482 INFO [stderr]   --> src/reader/class_reader.rs:91:1
Dec 17 18:51:40.482 INFO [stderr]    |
Dec 17 18:51:40.482 INFO [stderr] 91 | pub const ACC_PRIVATE: u16 = 0x0002;
Dec 17 18:51:40.482 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.482 INFO [stderr]    |
Dec 17 18:51:40.482 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:51:40.482 INFO [stderr] 
Dec 17 18:51:40.482 INFO [stderr] warning: constant item is never used: `ACC_PROTECTED`
Dec 17 18:51:40.482 INFO [stderr]   --> src/reader/class_reader.rs:92:1
Dec 17 18:51:40.482 INFO [stderr]    |
Dec 17 18:51:40.482 INFO [stderr] 92 | pub const ACC_PROTECTED: u16 = 0x0004;
Dec 17 18:51:40.482 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.482 INFO [stderr] 
Dec 17 18:51:40.482 INFO [stderr] warning: constant item is never used: `ACC_FINAL`
Dec 17 18:51:40.482 INFO [stderr]   --> src/reader/class_reader.rs:94:1
Dec 17 18:51:40.482 INFO [stderr]    |
Dec 17 18:51:40.482 INFO [stderr] 94 | pub const ACC_FINAL: u16 = 0x0010;
Dec 17 18:51:40.482 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.482 INFO [stderr] 
Dec 17 18:51:40.482 INFO [stderr] warning: constant item is never used: `ACC_VOLATILE`
Dec 17 18:51:40.482 INFO [stderr]   --> src/reader/class_reader.rs:95:1
Dec 17 18:51:40.482 INFO [stderr]    |
Dec 17 18:51:40.482 INFO [stderr] 95 | pub const ACC_VOLATILE: u16 = 0x0040;
Dec 17 18:51:40.482 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.482 INFO [stderr] 
Dec 17 18:51:40.482 INFO [stderr] warning: constant item is never used: `ACC_TRANSIENT`
Dec 17 18:51:40.482 INFO [stderr]   --> src/reader/class_reader.rs:96:1
Dec 17 18:51:40.482 INFO [stderr]    |
Dec 17 18:51:40.482 INFO [stderr] 96 | pub const ACC_TRANSIENT: u16 = 0x0080;
Dec 17 18:51:40.482 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.482 INFO [stderr] 
Dec 17 18:51:40.483 INFO [stderr] warning: constant item is never used: `ACC_ABSTRACT`
Dec 17 18:51:40.483 INFO [stderr]   --> src/reader/class_reader.rs:98:1
Dec 17 18:51:40.483 INFO [stderr]    |
Dec 17 18:51:40.483 INFO [stderr] 98 | pub const ACC_ABSTRACT: u16 = 0x400;
Dec 17 18:51:40.483 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.483 INFO [stderr] 
Dec 17 18:51:40.483 INFO [stderr] warning: constant item is never used: `ACC_SYNTHETIC`
Dec 17 18:51:40.483 INFO [stderr]   --> src/reader/class_reader.rs:99:1
Dec 17 18:51:40.483 INFO [stderr]    |
Dec 17 18:51:40.483 INFO [stderr] 99 | pub const ACC_SYNTHETIC: u16 = 0x1000;
Dec 17 18:51:40.483 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.483 INFO [stderr] 
Dec 17 18:51:40.483 INFO [stderr] warning: constant item is never used: `ACC_ENUM`
Dec 17 18:51:40.483 INFO [stderr]    --> src/reader/class_reader.rs:100:1
Dec 17 18:51:40.483 INFO [stderr]     |
Dec 17 18:51:40.483 INFO [stderr] 100 | pub const ACC_ENUM: u16 = 0x4000;
Dec 17 18:51:40.483 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.483 INFO [stderr] 
Dec 17 18:51:40.485 INFO [stderr] warning: function is never used: `run`
Dec 17 18:51:40.485 INFO [stderr]    --> src/reader/runner.rs:410:1
Dec 17 18:51:40.485 INFO [stderr]     |
Dec 17 18:51:40.485 INFO [stderr] 410 | pub fn run(class_paths: &Vec<String>, jars: Vec<zip::ZipArchive<File>>, class: &ClassResult) -> Result<(), RunnerError> {
Dec 17 18:51:40.485 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.485 INFO [stderr] 
Dec 17 18:51:40.485 INFO [stderr] warning: function is never used: `register_array_object`
Dec 17 18:51:40.485 INFO [stderr]  --> src/reader/jvm/gc.rs:5:1
Dec 17 18:51:40.492 INFO [stderr]   |
Dec 17 18:51:40.492 INFO [stderr] 5 | pub fn register_array_object(_runtime: &mut Runtime, _obj: &Rc<ArrayObject>) {
Dec 17 18:51:40.492 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.492 INFO [stderr] 
Dec 17 18:51:40.929 INFO [stderr] warning: constant item is never used: `ACC_PRIVATE`
Dec 17 18:51:40.929 INFO [stderr]   --> src/reader/class_reader.rs:91:1
Dec 17 18:51:40.929 INFO [stderr]    |
Dec 17 18:51:40.929 INFO [stderr] 91 | pub const ACC_PRIVATE: u16 = 0x0002;
Dec 17 18:51:40.929 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.929 INFO [stderr]    |
Dec 17 18:51:40.929 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 18:51:40.929 INFO [stderr] 
Dec 17 18:51:40.929 INFO [stderr] warning: constant item is never used: `ACC_PROTECTED`
Dec 17 18:51:40.929 INFO [stderr]   --> src/reader/class_reader.rs:92:1
Dec 17 18:51:40.929 INFO [stderr]    |
Dec 17 18:51:40.929 INFO [stderr] 92 | pub const ACC_PROTECTED: u16 = 0x0004;
Dec 17 18:51:40.929 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.929 INFO [stderr] 
Dec 17 18:51:40.929 INFO [stderr] warning: constant item is never used: `ACC_FINAL`
Dec 17 18:51:40.929 INFO [stderr]   --> src/reader/class_reader.rs:94:1
Dec 17 18:51:40.929 INFO [stderr]    |
Dec 17 18:51:40.929 INFO [stderr] 94 | pub const ACC_FINAL: u16 = 0x0010;
Dec 17 18:51:40.929 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.929 INFO [stderr] 
Dec 17 18:51:40.931 INFO [stderr] warning: constant item is never used: `ACC_VOLATILE`
Dec 17 18:51:40.931 INFO [stderr]   --> src/reader/class_reader.rs:95:1
Dec 17 18:51:40.931 INFO [stderr]    |
Dec 17 18:51:40.931 INFO [stderr] 95 | pub const ACC_VOLATILE: u16 = 0x0040;
Dec 17 18:51:40.931 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.931 INFO [stderr] 
Dec 17 18:51:40.932 INFO [stderr] warning: constant item is never used: `ACC_TRANSIENT`
Dec 17 18:51:40.932 INFO [stderr]   --> src/reader/class_reader.rs:96:1
Dec 17 18:51:40.932 INFO [stderr]    |
Dec 17 18:51:40.932 INFO [stderr] 96 | pub const ACC_TRANSIENT: u16 = 0x0080;
Dec 17 18:51:40.932 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.932 INFO [stderr] 
Dec 17 18:51:40.932 INFO [stderr] warning: constant item is never used: `ACC_ABSTRACT`
Dec 17 18:51:40.932 INFO [stderr]   --> src/reader/class_reader.rs:98:1
Dec 17 18:51:40.932 INFO [stderr]    |
Dec 17 18:51:40.932 INFO [stderr] 98 | pub const ACC_ABSTRACT: u16 = 0x400;
Dec 17 18:51:40.932 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.932 INFO [stderr] 
Dec 17 18:51:40.932 INFO [stderr] warning: constant item is never used: `ACC_SYNTHETIC`
Dec 17 18:51:40.932 INFO [stderr]   --> src/reader/class_reader.rs:99:1
Dec 17 18:51:40.932 INFO [stderr]    |
Dec 17 18:51:40.932 INFO [stderr] 99 | pub const ACC_SYNTHETIC: u16 = 0x1000;
Dec 17 18:51:40.932 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.932 INFO [stderr] 
Dec 17 18:51:40.932 INFO [stderr] warning: constant item is never used: `ACC_ENUM`
Dec 17 18:51:40.932 INFO [stderr]    --> src/reader/class_reader.rs:100:1
Dec 17 18:51:40.932 INFO [stderr]     |
Dec 17 18:51:40.932 INFO [stderr] 100 | pub const ACC_ENUM: u16 = 0x4000;
Dec 17 18:51:40.932 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.932 INFO [stderr] 
Dec 17 18:51:40.932 INFO [stderr] warning: function is never used: `run`
Dec 17 18:51:40.932 INFO [stderr]    --> src/reader/runner.rs:410:1
Dec 17 18:51:40.932 INFO [stderr]     |
Dec 17 18:51:40.932 INFO [stderr] 410 | pub fn run(class_paths: &Vec<String>, jars: Vec<zip::ZipArchive<File>>, class: &ClassResult) -> Result<(), RunnerError> {
Dec 17 18:51:40.932 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.932 INFO [stderr] 
Dec 17 18:51:40.936 INFO [stderr] warning: function is never used: `register_array_object`
Dec 17 18:51:40.936 INFO [stderr]  --> src/reader/jvm/gc.rs:5:1
Dec 17 18:51:40.936 INFO [stderr]   |
Dec 17 18:51:40.936 INFO [stderr] 5 | pub fn register_array_object(_runtime: &mut Runtime, _obj: &Rc<ArrayObject>) {
Dec 17 18:51:40.936 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:51:40.936 INFO [stderr] 
Dec 17 18:51:44.895 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.99s
Dec 17 18:51:45.384 INFO running `"docker" "inspect" "f6e50a80fb2303897ced462ed3a008d08064413ffde2da139fce0e5fc16b8057"`
Dec 17 18:51:45.552 INFO running `"docker" "rm" "-f" "f6e50a80fb2303897ced462ed3a008d08064413ffde2da139fce0e5fc16b8057"`
Dec 17 18:51:45.681 INFO [stdout] f6e50a80fb2303897ced462ed3a008d08064413ffde2da139fce0e5fc16b8057