[INFO] updating cached repository jrabello/zion-vm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jrabello/zion-vm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jrabello/zion-vm" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jrabello/zion-vm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jrabello/zion-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jrabello/zion-vm" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jrabello/zion-vm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jrabello/zion-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 032cacc2100eda8c5822fd732e21923fb845dcd1
[INFO] sha for GitHub repo jrabello/zion-vm: 032cacc2100eda8c5822fd732e21923fb845dcd1
[INFO] validating manifest of jrabello/zion-vm on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jrabello/zion-vm on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jrabello/zion-vm
[INFO] finished frobbing jrabello/zion-vm
[INFO] frobbed toml for jrabello/zion-vm written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jrabello/zion-vm/Cargo.toml
[INFO] started frobbing jrabello/zion-vm
[INFO] finished frobbing jrabello/zion-vm
[INFO] frobbed toml for jrabello/zion-vm written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jrabello/zion-vm/Cargo.toml
[INFO] crate jrabello/zion-vm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jrabello/zion-vm against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jrabello/zion-vm:/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8bc77cfecbbddc2284e303a7a924ca383d80837fd341ecf996d473fbd546cfb6
[INFO] running `"docker" "start" "-a" "8bc77cfecbbddc2284e303a7a924ca383d80837fd341ecf996d473fbd546cfb6"`
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking zion-vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant `R_R` should have an upper camel case name
[INFO] [stderr]    --> src/zion/instruction.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     R_R = 3, //mov A, B
[INFO] [stderr]     |     ^^^ help: convert the identifier to upper camel case: `RR`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_IMM` should have an upper camel case name
[INFO] [stderr]    --> src/zion/instruction.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     R_IMM = 4, //mov A, 0xFF
[INFO] [stderr]     |     ^^^^^ help: convert the identifier to upper camel case: `RImm`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_MEM` should have an upper camel case name
[INFO] [stderr]    --> src/zion/instruction.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     R_MEM = 5, //mov A, @0xFF
[INFO] [stderr]     |     ^^^^^ help: convert the identifier to upper camel case: `RMem`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `MEM_R` should have an upper camel case name
[INFO] [stderr]    --> src/zion/instruction.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     MEM_R = 6, //mov @0xFF, A
[INFO] [stderr]     |     ^^^^^ help: convert the identifier to upper camel case: `MemR`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_rr`
[INFO] [stderr]   --> src/zion/registers.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn move_rr(&mut self, reg1: u8, reg2: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_size`
[INFO] [stderr]   --> src/zion/instruction.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn set_size(&mut self, size: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/zion/cache.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         write!(f, "\n\tcode:[ ");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/zion/cache.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         write!(f, "]\n\tdata:[ ");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_R` should have an upper camel case name
[INFO] [stderr]    --> src/zion/instruction.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     R_R = 3, //mov A, B
[INFO] [stderr]     |     ^^^ help: convert the identifier to upper camel case: `RR`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_IMM` should have an upper camel case name
[INFO] [stderr]    --> src/zion/instruction.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     R_IMM = 4, //mov A, 0xFF
[INFO] [stderr]     |     ^^^^^ help: convert the identifier to upper camel case: `RImm`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_MEM` should have an upper camel case name
[INFO] [stderr]    --> src/zion/instruction.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     R_MEM = 5, //mov A, @0xFF
[INFO] [stderr]     |     ^^^^^ help: convert the identifier to upper camel case: `RMem`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `MEM_R` should have an upper camel case name
[INFO] [stderr]    --> src/zion/instruction.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     MEM_R = 6, //mov @0xFF, A
[INFO] [stderr]     |     ^^^^^ help: convert the identifier to upper camel case: `MemR`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_rr`
[INFO] [stderr]   --> src/zion/registers.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn move_rr(&mut self, reg1: u8, reg2: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_size`
[INFO] [stderr]   --> src/zion/instruction.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn set_size(&mut self, size: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/zion/cache.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         write!(f, "\n\tcode:[ ");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/zion/cache.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         write!(f, "]\n\tdata:[ ");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `"docker" "inspect" "8bc77cfecbbddc2284e303a7a924ca383d80837fd341ecf996d473fbd546cfb6"`
[INFO] running `"docker" "rm" "-f" "8bc77cfecbbddc2284e303a7a924ca383d80837fd341ecf996d473fbd546cfb6"`
[INFO] [stdout] 8bc77cfecbbddc2284e303a7a924ca383d80837fd341ecf996d473fbd546cfb6