[INFO] updating cached repository https://github.com/jrabello/zion-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 032cacc2100eda8c5822fd732e21923fb845dcd1
[INFO] checking jrabello/zion-vm against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrabello%2Fzion-vm" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrabello/zion-vm on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrabello/zion-vm
[INFO] finished tweaking git repo https://github.com/jrabello/zion-vm
[INFO] tweaked toml for git repo https://github.com/jrabello/zion-vm written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jrabello/zion-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1fceaaf65f9c1361d1e02453fb4582a48cf453520b9721c28eb5261ce1d74b54
[INFO] running `Command { std: "docker" "start" "-a" "1fceaaf65f9c1361d1e02453fb4582a48cf453520b9721c28eb5261ce1d74b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fceaaf65f9c1361d1e02453fb4582a48cf453520b9721c28eb5261ce1d74b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fceaaf65f9c1361d1e02453fb4582a48cf453520b9721c28eb5261ce1d74b54", kill_on_drop: false }`
[INFO] [stdout] 1fceaaf65f9c1361d1e02453fb4582a48cf453520b9721c28eb5261ce1d74b54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cdc8e6359c090a49fdcf1664a1cd8e9a9cc0e5577990402e46b566c4c0ff5af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2cdc8e6359c090a49fdcf1664a1cd8e9a9cc0e5577990402e46b566c4c0ff5af", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling enum-primitive-derive v0.1.2
[INFO] [stderr]     Checking zion-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `R_R` should have an upper camel case name
[INFO] [stdout]    --> src/zion/instruction.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     R_R = 3, //mov A, B
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case: `RR`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_IMM` should have an upper camel case name
[INFO] [stdout]    --> src/zion/instruction.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     R_IMM = 4, //mov A, 0xFF
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `RImm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_MEM` should have an upper camel case name
[INFO] [stdout]    --> src/zion/instruction.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     R_MEM = 5, //mov A, @0xFF
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `RMem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MEM_R` should have an upper camel case name
[INFO] [stdout]    --> src/zion/instruction.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     MEM_R = 6, //mov @0xFF, A
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `MemR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_R` should have an upper camel case name
[INFO] [stdout]    --> src/zion/instruction.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     R_R = 3, //mov A, B
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case: `RR`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_IMM` should have an upper camel case name
[INFO] [stdout]    --> src/zion/instruction.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     R_IMM = 4, //mov A, 0xFF
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `RImm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_MEM` should have an upper camel case name
[INFO] [stdout]    --> src/zion/instruction.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     R_MEM = 5, //mov A, @0xFF
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `RMem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MEM_R` should have an upper camel case name
[INFO] [stdout]    --> src/zion/instruction.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 112 |     MEM_R = 6, //mov @0xFF, A
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `MemR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_rr`
[INFO] [stdout]   --> src/zion/registers.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn move_rr(&mut self, reg1: u8, reg2: u8) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_size`
[INFO] [stdout]   --> src/zion/instruction.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn set_size(&mut self, size: u8) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/zion/cache.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         write!(f, "\n\tcode:[ ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/zion/cache.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         write!(f, "]\n\tdata:[ ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_rr`
[INFO] [stdout]   --> src/zion/registers.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn move_rr(&mut self, reg1: u8, reg2: u8) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_size`
[INFO] [stdout]   --> src/zion/instruction.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn set_size(&mut self, size: u8) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/zion/cache.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         write!(f, "\n\tcode:[ ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/zion/cache.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         write!(f, "]\n\tdata:[ ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `Command { std: "docker" "inspect" "2cdc8e6359c090a49fdcf1664a1cd8e9a9cc0e5577990402e46b566c4c0ff5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdc8e6359c090a49fdcf1664a1cd8e9a9cc0e5577990402e46b566c4c0ff5af", kill_on_drop: false }`
[INFO] [stdout] 2cdc8e6359c090a49fdcf1664a1cd8e9a9cc0e5577990402e46b566c4c0ff5af