[INFO] updating cached repository samwho/jvm-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samwho/jvm-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samwho/jvm-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/samwho/jvm-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/samwho/jvm-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samwho/jvm-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samwho/jvm-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samwho/jvm-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12757c8d3158fe8210dde139dc93a038ddf2768f
[INFO] sha for GitHub repo samwho/jvm-rs: 12757c8d3158fe8210dde139dc93a038ddf2768f
[INFO] validating manifest of samwho/jvm-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of samwho/jvm-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing samwho/jvm-rs
[INFO] removed path dependency classfile-parser from samwho/jvm-rs
[INFO] finished frobbing samwho/jvm-rs
[INFO] frobbed toml for samwho/jvm-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/samwho/jvm-rs/Cargo.toml
[INFO] started frobbing samwho/jvm-rs
[INFO] removed path dependency classfile-parser from samwho/jvm-rs
[INFO] finished frobbing samwho/jvm-rs
[INFO] frobbed toml for samwho/jvm-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/samwho/jvm-rs/Cargo.toml
[INFO] crate samwho/jvm-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/samwho/jvm-rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing samwho/jvm-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/samwho/jvm-rs:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 54df7c9872e684f3a7005fa8e6bf365269c3a8db4c05763614dd12c805dc02fd
[INFO] running `"docker" "start" "-a" "54df7c9872e684f3a7005fa8e6bf365269c3a8db4c05763614dd12c805dc02fd"`
[INFO] [stderr] warning: dependency (classfile-parser) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling classfile-parser v0.3.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling zip v0.4.2
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling jvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[macro_use] extern crate log;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/class_loader.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Occupied`, `Vacant`
[INFO] [stderr]  --> src/class_loader.rs:2:41
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::hash_map::Entry::{Occupied, Vacant};
[INFO] [stderr]   |                                         ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/class_loader.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     match class_parser(&class_bytes) {
[INFO] [stderr]    |           -------------------------- this match expression has type `std::result::Result<(&[u8], classfile_parser::ClassFile), nom::internal::Err<&[u8]>>`
[INFO] [stderr] 63 |         IResult::Done(_, c) => Ok(Some(c)),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found enum `nom::IResult`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::result::Result<(&[u8], classfile_parser::ClassFile), nom::internal::Err<&[u8]>>`
[INFO] [stderr]               found type `nom::IResult<_, _, _>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `jvm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "54df7c9872e684f3a7005fa8e6bf365269c3a8db4c05763614dd12c805dc02fd"`
[INFO] running `"docker" "rm" "-f" "54df7c9872e684f3a7005fa8e6bf365269c3a8db4c05763614dd12c805dc02fd"`
[INFO] [stdout] 54df7c9872e684f3a7005fa8e6bf365269c3a8db4c05763614dd12c805dc02fd