[INFO] updating cached repository mattjquinn/rustedjvm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mattjquinn/rustedjvm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mattjquinn/rustedjvm" "work/ex/beta-1.38-1/sources/1.37.0/gh/mattjquinn/rustedjvm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mattjquinn/rustedjvm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mattjquinn/rustedjvm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattjquinn/rustedjvm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattjquinn/rustedjvm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68b31b40d3c8666bc595b3e378d5f9f2a28603de
[INFO] sha for GitHub repo mattjquinn/rustedjvm: 68b31b40d3c8666bc595b3e378d5f9f2a28603de
[INFO] validating manifest of mattjquinn/rustedjvm 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 mattjquinn/rustedjvm 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 mattjquinn/rustedjvm
[INFO] finished frobbing mattjquinn/rustedjvm
[INFO] frobbed toml for mattjquinn/rustedjvm written to work/ex/beta-1.38-1/sources/1.37.0/gh/mattjquinn/rustedjvm/Cargo.toml
[INFO] started frobbing mattjquinn/rustedjvm
[INFO] finished frobbing mattjquinn/rustedjvm
[INFO] frobbed toml for mattjquinn/rustedjvm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattjquinn/rustedjvm/Cargo.toml
[INFO] crate mattjquinn/rustedjvm 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mattjquinn/rustedjvm against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattjquinn/rustedjvm:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 19a2738c7400f4a82fb9921ed66fadd047e713514a5a5b09f98047e2ffde4122
[INFO] running `"docker" "start" "-a" "19a2738c7400f4a82fb9921ed66fadd047e713514a5a5b09f98047e2ffde4122"`
[INFO] [stderr]    Compiling rusted_jvm v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `operand`
[INFO] [stderr]    --> src/rustedjvm/interpreter.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let operand: Operand = match operand_stack.pop() {
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_operand`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `local_var_arr`
[INFO] [stderr]    --> src/rustedjvm/interpreter.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn istore_1(local_var_arr: &Vec<Operand>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_local_var_arr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operand_stack`
[INFO] [stderr]    --> src/rustedjvm/interpreter.rs:194:35
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn getstatic(object_ref: &Object, operand_stack: &mut Vec<Operand>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_operand_stack`
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/rustedjvm/exceptions.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         *byte_idx + *byte_idx + 2;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "19a2738c7400f4a82fb9921ed66fadd047e713514a5a5b09f98047e2ffde4122"`
[INFO] running `"docker" "rm" "-f" "19a2738c7400f4a82fb9921ed66fadd047e713514a5a5b09f98047e2ffde4122"`
[INFO] [stdout] 19a2738c7400f4a82fb9921ed66fadd047e713514a5a5b09f98047e2ffde4122
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattjquinn/rustedjvm:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 10f00ab7eecf2b089553a8334a08670a6e0dd15b0ad1db3cc5fbf7f2a00e910e
[INFO] running `"docker" "start" "-a" "10f00ab7eecf2b089553a8334a08670a6e0dd15b0ad1db3cc5fbf7f2a00e910e"`
[INFO] [stderr]    Compiling rusted_jvm v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `operand`
[INFO] [stderr]    --> src/rustedjvm/interpreter.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let operand: Operand = match operand_stack.pop() {
[INFO] [stderr]     |         ^^^^^^^ help: consider prefixing with an underscore: `_operand`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `local_var_arr`
[INFO] [stderr]    --> src/rustedjvm/interpreter.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn istore_1(local_var_arr: &Vec<Operand>,
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_local_var_arr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `operand_stack`
[INFO] [stderr]    --> src/rustedjvm/interpreter.rs:194:35
[INFO] [stderr]     |
[INFO] [stderr] 194 | fn getstatic(object_ref: &Object, operand_stack: &mut Vec<Operand>,
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_operand_stack`
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]   --> src/rustedjvm/exceptions.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         *byte_idx + *byte_idx + 2;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "10f00ab7eecf2b089553a8334a08670a6e0dd15b0ad1db3cc5fbf7f2a00e910e"`
[INFO] running `"docker" "rm" "-f" "10f00ab7eecf2b089553a8334a08670a6e0dd15b0ad1db3cc5fbf7f2a00e910e"`
[INFO] [stdout] 10f00ab7eecf2b089553a8334a08670a6e0dd15b0ad1db3cc5fbf7f2a00e910e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattjquinn/rustedjvm:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 54f0d95911c9fb2418889e21d8b44464987794ee254cdbb6637821ea157c53c6
[INFO] running `"docker" "start" "-a" "54f0d95911c9fb2418889e21d8b44464987794ee254cdbb6637821ea157c53c6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustedjvm-37c11932f5fe9063
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusted_jvm-43111a4bdeea9abd
[INFO] [stderr]    Doc-tests rustedjvm
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_simple_addition ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "54f0d95911c9fb2418889e21d8b44464987794ee254cdbb6637821ea157c53c6"`
[INFO] running `"docker" "rm" "-f" "54f0d95911c9fb2418889e21d8b44464987794ee254cdbb6637821ea157c53c6"`
[INFO] [stdout] 54f0d95911c9fb2418889e21d8b44464987794ee254cdbb6637821ea157c53c6