[INFO] updating cached repository j16r/virtual68
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/j16r/virtual68
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/j16r/virtual68" "work/ex/beta-1.38-1/sources/1.37.0/gh/j16r/virtual68"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/j16r/virtual68'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/j16r/virtual68" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/j16r/virtual68"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/j16r/virtual68'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d6049874ca9e2565cb666b61d6c9f5cf01f8994e
[INFO] sha for GitHub repo j16r/virtual68: d6049874ca9e2565cb666b61d6c9f5cf01f8994e
[INFO] validating manifest of j16r/virtual68 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 j16r/virtual68 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 j16r/virtual68
[INFO] finished frobbing j16r/virtual68
[INFO] frobbed toml for j16r/virtual68 written to work/ex/beta-1.38-1/sources/1.37.0/gh/j16r/virtual68/Cargo.toml
[INFO] started frobbing j16r/virtual68
[INFO] finished frobbing j16r/virtual68
[INFO] frobbed toml for j16r/virtual68 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/j16r/virtual68/Cargo.toml
[INFO] crate j16r/virtual68 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 j16r/virtual68 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-1/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/j16r/virtual68:/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] 5bab888dd543b93f37ed365b6f2a18045f30c238ef1b946154398924265b56b4
[INFO] running `"docker" "start" "-a" "5bab888dd543b93f37ed365b6f2a18045f30c238ef1b946154398924265b56b4"`
[INFO] [stderr]    Compiling combine v1.3.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling virtual68 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/linker.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 let mut opcode = opcode(command);
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linker.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 let mut opcode = opcode(command);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_decimal`
[INFO] [stderr]  --> src/grammar.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn is_decimal(input: &str) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `"docker" "inspect" "5bab888dd543b93f37ed365b6f2a18045f30c238ef1b946154398924265b56b4"`
[INFO] running `"docker" "rm" "-f" "5bab888dd543b93f37ed365b6f2a18045f30c238ef1b946154398924265b56b4"`
[INFO] [stdout] 5bab888dd543b93f37ed365b6f2a18045f30c238ef1b946154398924265b56b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/j16r/virtual68:/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] d9fd06b0fd786a138f781b693c126d5a68be8efc09a0edc835b5ebdebc1de54f
[INFO] running `"docker" "start" "-a" "d9fd06b0fd786a138f781b693c126d5a68be8efc09a0edc835b5ebdebc1de54f"`
[INFO] [stderr]    Compiling virtual68 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/linker.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 let mut opcode = opcode(command);
[INFO] [stderr]    |                     ----^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linker.rs:116:21
[INFO] [stderr]     |
[INFO] [stderr] 116 |                 let mut opcode = opcode(command);
[INFO] [stderr]     |                     ----^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/linker.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let mut program = Program::new();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_decimal`
[INFO] [stderr]  --> src/grammar.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn is_decimal(input: &str) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `"docker" "inspect" "d9fd06b0fd786a138f781b693c126d5a68be8efc09a0edc835b5ebdebc1de54f"`
[INFO] running `"docker" "rm" "-f" "d9fd06b0fd786a138f781b693c126d5a68be8efc09a0edc835b5ebdebc1de54f"`
[INFO] [stdout] d9fd06b0fd786a138f781b693c126d5a68be8efc09a0edc835b5ebdebc1de54f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/j16r/virtual68:/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] 0f0af3d7eed0a190ae8947eadae9c22e776db4e109cc0e1f902199c63780424a
[INFO] running `"docker" "start" "-a" "0f0af3d7eed0a190ae8947eadae9c22e776db4e109cc0e1f902199c63780424a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/virtual68-f0e6b84c37865956
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test linker::tests::test_clr_ext_program_encodes_to_two_bytes ... ok
[INFO] [stdout] test linker::tests::test_clr_ind_program_encodes_to_two_bytes ... ok
[INFO] [stdout] test grammar::tests::test_sta_a_ind_input ... ok
[INFO] [stdout] test grammar::tests::test_sta_a_imm_input ... ok
[INFO] [stdout] test grammar::tests::test_psh_a_input ... ok
[INFO] [stdout] test grammar::tests::test_nop_trailing_input ... ok
[INFO] [stdout] test grammar::tests::test_nop_input ... ok
[INFO] [stdout] test linker::tests::test_empty_program ... ok
[INFO] [stdout] test linker::tests::test_sub_b_imm_program_encodes_to_two_bytes ... ok
[INFO] [stdout] test linker::tests::test_sub_a_imm_program_encodes_to_two_bytes ... ok
[INFO] [stdout] test linker::tests::test_ror_program_encodes_to_byte ... ok
[INFO] [stdout] test linker::tests::test_nop_program_encodes_to_byte ... ok
[INFO] [stdout] test grammar::tests::test_empty_input ... ok
[INFO] [stdout] test machine::tests::run_nop ... ok
[INFO] [stdout] test machine::tests::run_push ... ok
[INFO] [stdout] test machine::tests::run_push_pop ... ok
[INFO] [stdout] test opcode::test_opcode_transcription ... ok
[INFO] [stdout] test tests::parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0f0af3d7eed0a190ae8947eadae9c22e776db4e109cc0e1f902199c63780424a"`
[INFO] running `"docker" "rm" "-f" "0f0af3d7eed0a190ae8947eadae9c22e776db4e109cc0e1f902199c63780424a"`
[INFO] [stdout] 0f0af3d7eed0a190ae8947eadae9c22e776db4e109cc0e1f902199c63780424a