[INFO] cloning repository https://github.com/NishanthSpShetty/Stack-VM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NishanthSpShetty/Stack-VM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishanthSpShetty%2FStack-VM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishanthSpShetty%2FStack-VM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e24ff3eb4c4b900f2c0164ae1c1f9b0db74a9ed
[INFO] testing NishanthSpShetty/Stack-VM against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishanthSpShetty%2FStack-VM" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NishanthSpShetty/Stack-VM on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NishanthSpShetty/Stack-VM
[INFO] finished tweaking git repo https://github.com/NishanthSpShetty/Stack-VM
[INFO] tweaked toml for git repo https://github.com/NishanthSpShetty/Stack-VM written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/NishanthSpShetty/Stack-VM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 921e0375d166bcb9b2305c52648cc0fe450c4e85a2f5df477d2529241510ccbf
[INFO] running `Command { std: "docker" "start" "-a" "921e0375d166bcb9b2305c52648cc0fe450c4e85a2f5df477d2529241510ccbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "921e0375d166bcb9b2305c52648cc0fe450c4e85a2f5df477d2529241510ccbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "921e0375d166bcb9b2305c52648cc0fe450c4e85a2f5df477d2529241510ccbf", kill_on_drop: false }`
[INFO] [stdout] 921e0375d166bcb9b2305c52648cc0fe450c4e85a2f5df477d2529241510ccbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee592b1285105b43efd1fde379eec4787d3855448b5fd1eb8aa6fe1b721777d
[INFO] running `Command { std: "docker" "start" "-a" "5ee592b1285105b43efd1fde379eec4787d3855448b5fd1eb8aa6fe1b721777d", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling stack-vm v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `CODE_TYPE_INSTRUCTION`
[INFO] [stdout]  --> src/lib/vm/mod.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const CODE_TYPE_INSTRUCTION: u8 = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "5ee592b1285105b43efd1fde379eec4787d3855448b5fd1eb8aa6fe1b721777d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee592b1285105b43efd1fde379eec4787d3855448b5fd1eb8aa6fe1b721777d", kill_on_drop: false }`
[INFO] [stdout] 5ee592b1285105b43efd1fde379eec4787d3855448b5fd1eb8aa6fe1b721777d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6bdf3d4002e1014e6a036d65ab4bd873f1526af0875ef1044c7108ec81b6055
[INFO] running `Command { std: "docker" "start" "-a" "a6bdf3d4002e1014e6a036d65ab4bd873f1526af0875ef1044c7108ec81b6055", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stack-vm v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "a6bdf3d4002e1014e6a036d65ab4bd873f1526af0875ef1044c7108ec81b6055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6bdf3d4002e1014e6a036d65ab4bd873f1526af0875ef1044c7108ec81b6055", kill_on_drop: false }`
[INFO] [stdout] a6bdf3d4002e1014e6a036d65ab4bd873f1526af0875ef1044c7108ec81b6055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a83caa571d78f5d0407fe2808c0ec679f23cf80843b9c7d6d0d35f84fc9d1a8a
[INFO] running `Command { std: "docker" "start" "-a" "a83caa571d78f5d0407fe2808c0ec679f23cf80843b9c7d6d0d35f84fc9d1a8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stack_vm-ca58f6f4bebf569b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lib::stack::test_vmstack::test_vm_stack_push_pop ... ok
[INFO] [stdout] test lib::vm::test_vm::test_get_data ... ok
[INFO] [stdout] test lib::vm::test_vm::test_get_type ... ok
[INFO] [stdout] test lib::stack::test_vmstack::test_peek_when_empty_expect_panic - should panic ... ok
[INFO] [stdout] test lib::stack::test_vmstack::test_push_when_full_expect_overflow - should panic ... ok
[INFO] [stdout] test lib::stack::test_vmstack::test_pop_when_empty_epect_underflow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a83caa571d78f5d0407fe2808c0ec679f23cf80843b9c7d6d0d35f84fc9d1a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83caa571d78f5d0407fe2808c0ec679f23cf80843b9c7d6d0d35f84fc9d1a8a", kill_on_drop: false }`
[INFO] [stdout] a83caa571d78f5d0407fe2808c0ec679f23cf80843b9c7d6d0d35f84fc9d1a8a