[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 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b11a677340215fe5e04a7c7c23de0d2114894bdc2d9b1e2d7bf57c1a1d0be01c
[INFO] running `"docker" "start" "-a" "b11a677340215fe5e04a7c7c23de0d2114894bdc2d9b1e2d7bf57c1a1d0be01c"`
[INFO] [stderr]    Compiling combine v1.3.0
[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 8.72s
[INFO] running `"docker" "inspect" "b11a677340215fe5e04a7c7c23de0d2114894bdc2d9b1e2d7bf57c1a1d0be01c"`
[INFO] running `"docker" "rm" "-f" "b11a677340215fe5e04a7c7c23de0d2114894bdc2d9b1e2d7bf57c1a1d0be01c"`
[INFO] [stdout] b11a677340215fe5e04a7c7c23de0d2114894bdc2d9b1e2d7bf57c1a1d0be01c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 349e5ee63e4fa612ee020f13a6611fbb23237607aa954a0203c184c164d7db77
[INFO] running `"docker" "start" "-a" "349e5ee63e4fa612ee020f13a6611fbb23237607aa954a0203c184c164d7db77"`
[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 2.86s
[INFO] running `"docker" "inspect" "349e5ee63e4fa612ee020f13a6611fbb23237607aa954a0203c184c164d7db77"`
[INFO] running `"docker" "rm" "-f" "349e5ee63e4fa612ee020f13a6611fbb23237607aa954a0203c184c164d7db77"`
[INFO] [stdout] 349e5ee63e4fa612ee020f13a6611fbb23237607aa954a0203c184c164d7db77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 67ab87061282f5a0c4d6f06bc059f34a8e3dfc57cb54ce81bfc1ab8f776e095b
[INFO] running `"docker" "start" "-a" "67ab87061282f5a0c4d6f06bc059f34a8e3dfc57cb54ce81bfc1ab8f776e095b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/virtual68-734dc66d83dd69ae
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test grammar::tests::test_empty_input ... 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_nop_input ... ok
[INFO] [stdout] test grammar::tests::test_psh_a_input ... ok
[INFO] [stdout] test linker::tests::test_clr_ext_program_encodes_to_two_bytes ... ok
[INFO] [stdout] test grammar::tests::test_nop_trailing_input ... ok
[INFO] [stdout] test linker::tests::test_clr_ind_program_encodes_to_two_bytes ... ok
[INFO] [stdout] test linker::tests::test_empty_program ... ok
[INFO] [stdout] test linker::tests::test_ror_program_encodes_to_byte ... ok
[INFO] [stdout] test linker::tests::test_sub_a_imm_program_encodes_to_two_bytes ... ok
[INFO] [stdout] test linker::tests::test_sub_b_imm_program_encodes_to_two_bytes ... ok
[INFO] [stdout] test machine::tests::run_push_pop ... ok
[INFO] [stdout] test linker::tests::test_nop_program_encodes_to_byte ... ok
[INFO] [stdout] test opcode::test_opcode_transcription ... ok
[INFO] [stdout] test tests::parse ... ok
[INFO] [stdout] test machine::tests::run_push ... ok
[INFO] [stdout] test machine::tests::run_nop ... 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" "67ab87061282f5a0c4d6f06bc059f34a8e3dfc57cb54ce81bfc1ab8f776e095b"`
[INFO] running `"docker" "rm" "-f" "67ab87061282f5a0c4d6f06bc059f34a8e3dfc57cb54ce81bfc1ab8f776e095b"`
[INFO] [stdout] 67ab87061282f5a0c4d6f06bc059f34a8e3dfc57cb54ce81bfc1ab8f776e095b