[INFO] cloning repository https://github.com/Nagaprasadvr/rust-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nagaprasadvr/rust-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNagaprasadvr%2Frust-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNagaprasadvr%2Frust-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8adf00901281dd0c1c60a81e5ba160464356010
[INFO] testing Nagaprasadvr/rust-vm against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNagaprasadvr%2Frust-vm" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nagaprasadvr/rust-vm
[INFO] finished tweaking git repo https://github.com/Nagaprasadvr/rust-vm
[INFO] tweaked toml for git repo https://github.com/Nagaprasadvr/rust-vm written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nagaprasadvr/rust-vm on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nagaprasadvr/rust-vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1e41bfe7b7db371f7371567f62468edad01258e9c3959ff7f8684f11539e50d
[INFO] running `Command { std: "docker" "start" "-a" "c1e41bfe7b7db371f7371567f62468edad01258e9c3959ff7f8684f11539e50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1e41bfe7b7db371f7371567f62468edad01258e9c3959ff7f8684f11539e50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e41bfe7b7db371f7371567f62468edad01258e9c3959ff7f8684f11539e50d", kill_on_drop: false }`
[INFO] [stdout] c1e41bfe7b7db371f7371567f62468edad01258e9c3959ff7f8684f11539e50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f4fdcbcdc585e8ced04e2d1de5431492fd6a480ca70894958dc47cd4809dc7
[INFO] running `Command { std: "docker" "start" "-a" "f5f4fdcbcdc585e8ced04e2d1de5431492fd6a480ca70894958dc47cd4809dc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-vm-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]    --> src/vm.rs:249:21
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let reg = Register::try_from(ix_data[0])?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "f5f4fdcbcdc585e8ced04e2d1de5431492fd6a480ca70894958dc47cd4809dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f4fdcbcdc585e8ced04e2d1de5431492fd6a480ca70894958dc47cd4809dc7", kill_on_drop: false }`
[INFO] [stdout] f5f4fdcbcdc585e8ced04e2d1de5431492fd6a480ca70894958dc47cd4809dc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b97c78584e4e1811185ccbfc9836bee6e3415424690e84c357f429bb70008c
[INFO] running `Command { std: "docker" "start" "-a" "c3b97c78584e4e1811185ccbfc9836bee6e3415424690e84c357f429bb70008c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]    --> src/vm.rs:249:21
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let reg = Register::try_from(ix_data[0])?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust-vm-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `reg`
[INFO] [stdout]    --> src/vm.rs:249:21
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 let reg = Register::try_from(ix_data[0])?;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c3b97c78584e4e1811185ccbfc9836bee6e3415424690e84c357f429bb70008c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b97c78584e4e1811185ccbfc9836bee6e3415424690e84c357f429bb70008c", kill_on_drop: false }`
[INFO] [stdout] c3b97c78584e4e1811185ccbfc9836bee6e3415424690e84c357f429bb70008c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5d8136ec07c1074fdf152c1fa3afe7ec2bef3a367f5ce39bab5c23474d45e8f
[INFO] running `Command { std: "docker" "start" "-a" "e5d8136ec07c1074fdf152c1fa3afe7ec2bef3a367f5ce39bab5c23474d45e8f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `reg`
[INFO] [stderr]    --> src/vm.rs:249:21
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 let reg = Register::try_from(ix_data[0])?;
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_reg`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-vm-v2` (lib) generated 1 warning
[INFO] [stderr] warning: `rust-vm-v2` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_vm_v2-e04bca68ae17fc0e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/vm.rs (/opt/rustwide/target/debug/deps/vm-5606fe94ea92846b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_vm_v2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5d8136ec07c1074fdf152c1fa3afe7ec2bef3a367f5ce39bab5c23474d45e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d8136ec07c1074fdf152c1fa3afe7ec2bef3a367f5ce39bab5c23474d45e8f", kill_on_drop: false }`
[INFO] [stdout] e5d8136ec07c1074fdf152c1fa3afe7ec2bef3a367f5ce39bab5c23474d45e8f