[INFO] updating cached repository https://github.com/maxmcc/rust-jvm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af1ddffa6f04ef7deaf1f36f9acf3599a690ff87
[INFO] testing maxmcc/rust-jvm against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxmcc%2Frust-jvm" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxmcc/rust-jvm on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/maxmcc/rust-jvm
[INFO] finished tweaking git repo https://github.com/maxmcc/rust-jvm
[INFO] tweaked toml for git repo https://github.com/maxmcc/rust-jvm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/maxmcc/rust-jvm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 5104cae582193670d46d2036131b787b0da3541a300004e1b27600af90245d8c
[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" "5104cae582193670d46d2036131b787b0da3541a300004e1b27600af90245d8c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling rust-jvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved imports `log::LogRecord`, `log::LogLevelFilter`, `log::LogMetadata`
[INFO] [stderr]  --> src/logging.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{LogRecord, LogLevelFilter, LogMetadata, SetLoggerError};
[INFO] [stderr]   |           ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^ no `LogMetadata` in the root
[INFO] [stderr]   |           |          |
[INFO] [stderr]   |           |          no `LogLevelFilter` in the root
[INFO] [stderr]   |           no `LogRecord` in the root
[INFO] [stderr]   |
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{Record, LogLevelFilter, LogMetadata, SetLoggerError};
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{LogRecord, LevelFilter, LogMetadata, SetLoggerError};
[INFO] [stderr]   |                      ^^^^^^^^^^^
[INFO] [stderr] help: a similar name exists in the module
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::{LogRecord, LogLevelFilter, Metadata, SetLoggerError};
[INFO] [stderr]   |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/class_file.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     try!(check_cp_index_tag!(constant_pool, i as usize, tag));
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/class_file.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         try!(check_cp_index_tag!(constant_pool, i as usize, tag));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/class_file.rs:345:17
[INFO] [stderr]     |
[INFO] [stderr] 345 |                 try!(check_cp_index_tag!(constant_pool, i as usize, constant_pool::Tag::Class));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:124:32
[INFO] [stderr]     |
[INFO] [stderr] 124 |             let super_symref = try!(Self::get_class_ref(rcp, class_file.super_class));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:133:28
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let parsed_class = try!(
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:152:31
[INFO] [stderr]     |
[INFO] [stderr] 152 |             let this_symref = try!(Self::get_class_ref(&rcp, parsed_class.this_class));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:156:31
[INFO] [stderr]     |
[INFO] [stderr] 156 |             let super_class = try!(self.derive_super_class(&rcp, &parsed_class));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:159:36
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 let iface_symref = try!(Self::get_class_ref(&rcp, *interface));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 try!(self.resolve_class(&iface_symref));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:210:35
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 let class_bytes = try!(self.find_class_bytes(name)
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:223:46
[INFO] [stderr]     |
[INFO] [stderr] 223 |                 let component_access_flags = try!(
[INFO] [stderr]     |                                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/class_loader.rs:234:36
[INFO] [stderr]     |
[INFO] [stderr] 234 |                 let object_class = try!(self.load_class(&object_sig));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/constant_pool.rs:221:35
[INFO] [stderr]     |
[INFO] [stderr] 221 |                 let array_class = try!(class_loader.resolve_class(&array_symref));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/constant_pool.rs:241:36
[INFO] [stderr]     |
[INFO] [stderr] 241 |                 let string_class = try!(class_loader.resolve_class(&string_symref));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/vm/mod.rs:111:50
[INFO] [stderr]     |
[INFO] [stderr] 111 |                     let (component_type, rest) = try!(Self::new_partial(rest));
[INFO] [stderr]     |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]     --> src/parser/class_file.rs:1005:1
[INFO] [stderr]      |
[INFO] [stderr] 1005 | /// `parser::class_file::parse_class_file(&[u8]) -> ParseResult<model::class_file::ClassFile>)`
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]      = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/model/class_file/attribute/mod.rs:82:18
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 0...63 => Tag::SameFrame(t),
[INFO] [stderr]    |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/model/class_file/attribute/mod.rs:83:19
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 64...127 => Tag::SameLocals1StackItemFrame(t),
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/model/class_file/attribute/mod.rs:85:20
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 248...250 => Tag::ChopFrame(t),
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/model/class_file/attribute/mod.rs:87:20
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 252...254 => Tag::AppendFrame(t),
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/model/class_file/attribute/mod.rs:89:20
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 128...246 => Tag::Reserved(t),
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm/class_loader.rs:67:32
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vm/constant_pool.rs:287:22
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 0x01 ... 0x7f => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vm/constant_pool.rs:291:22
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 0xc0 ... 0xdf => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vm/constant_pool.rs:303:22
[INFO] [stderr]     |
[INFO] [stderr] 303 |                 0xe0 ... 0xef => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vm/constant_pool.rs:335:22
[INFO] [stderr]     |
[INFO] [stderr] 335 |                 0x80 ... 0xbf => panic!("error decoding modified UTF-8: invalid continuation byte"),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vm/constant_pool.rs:350:22
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 0x01 ... 0x7f => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vm/constant_pool.rs:354:22
[INFO] [stderr]     |
[INFO] [stderr] 354 |                 0xc0 ... 0xdf => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vm/constant_pool.rs:368:22
[INFO] [stderr]     |
[INFO] [stderr] 368 |                 0xe0 ... 0xef => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vm/constant_pool.rs:380:22
[INFO] [stderr]     |
[INFO] [stderr] 380 |                 0x80 ... 0xbf => panic!("error decoding modified UTF-8: invalid continuation byte"),
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/vm/native.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct NativeMethod(&'static Fn(Vec<Value>) -> Option<Value>);
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Option<Value>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm/native.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 | const ARRAYCOPY: &'static Fn(Vec<Value>) -> Option<Value> = &(|args| {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Option<Value>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vm/native.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 | const WRITE: &'static Fn(Vec<Value>) -> Option<Value> = &(|args| {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Value>) -> Option<Value>`
[INFO] [stderr] 
[INFO] [stderr] error[E0046]: not all trait items implemented, missing: `flush`
[INFO] [stderr]   --> src/logging.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | impl log::Log for SimpleLogger {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `flush` in implementation
[INFO] [stderr]    |
[INFO] [stderr]    = help: implement the missing item: `fn flush(&self) { todo!() }`
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> src/logging.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |         log::set_logger(|max_log_level| {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ consider giving this closure parameter a type
[INFO] [stderr]    |
[INFO] [stderr]    = note: type must be known at this point
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 35 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0046, E0282, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0046`.
[INFO] [stderr] error: could not compile `rust-jvm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5104cae582193670d46d2036131b787b0da3541a300004e1b27600af90245d8c"`
[INFO] running `"docker" "rm" "-f" "5104cae582193670d46d2036131b787b0da3541a300004e1b27600af90245d8c"`
[INFO] [stdout] 5104cae582193670d46d2036131b787b0da3541a300004e1b27600af90245d8c