[INFO] fetching crate rust_vm 0.1.0...
[INFO] testing rust_vm-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate rust_vm 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rust_vm 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_vm 0.1.0
[INFO] finished tweaking crates.io crate rust_vm 0.1.0
[INFO] tweaked toml for crates.io crate rust_vm 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rust_vm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fca8d2c89d1105868668b76d8f5326880838b1c6e418df0ccafbf89c1ba4850b
[INFO] running `Command { std: "docker" "start" "-a" "fca8d2c89d1105868668b76d8f5326880838b1c6e418df0ccafbf89c1ba4850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fca8d2c89d1105868668b76d8f5326880838b1c6e418df0ccafbf89c1ba4850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca8d2c89d1105868668b76d8f5326880838b1c6e418df0ccafbf89c1ba4850b", kill_on_drop: false }`
[INFO] [stdout] fca8d2c89d1105868668b76d8f5326880838b1c6e418df0ccafbf89c1ba4850b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e9a3608b4e5096b25098868f6996f9d12be198857f7c255fda4ba88e93d500
[INFO] running `Command { std: "docker" "start" "-a" "32e9a3608b4e5096b25098868f6996f9d12be198857f7c255fda4ba88e93d500", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rust_vm::RustVM`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rust_vm::RustVM;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/rust_vm.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let data = ins.data;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust_vm.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut ins = self.next_instruction();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `INSTRUCTION_BYTES`
[INFO] [stdout]  --> src/rust_vm.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub static INSTRUCTION_BYTES:usize = 4;
[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: `fmt`
[INFO] [stdout]   --> src/rust_vm.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/rust_vm.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn size() -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ip`
[INFO] [stdout]   --> src/rust_vm.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn get_ip(&mut self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_instruction_length`
[INFO] [stdout]   --> src/rust_vm.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn get_instruction_length() -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "32e9a3608b4e5096b25098868f6996f9d12be198857f7c255fda4ba88e93d500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e9a3608b4e5096b25098868f6996f9d12be198857f7c255fda4ba88e93d500", kill_on_drop: false }`
[INFO] [stdout] 32e9a3608b4e5096b25098868f6996f9d12be198857f7c255fda4ba88e93d500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efaf2bd4660e90ed96dd26c4fc04bd4c41ef8b26c0254ec7f2b332d657baca25
[INFO] running `Command { std: "docker" "start" "-a" "efaf2bd4660e90ed96dd26c4fc04bd4c41ef8b26c0254ec7f2b332d657baca25", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/rust_vm.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let data = ins.data;
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rust_vm.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut ins = self.next_instruction();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fmt`
[INFO] [stdout]   --> src/rust_vm.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "efaf2bd4660e90ed96dd26c4fc04bd4c41ef8b26c0254ec7f2b332d657baca25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efaf2bd4660e90ed96dd26c4fc04bd4c41ef8b26c0254ec7f2b332d657baca25", kill_on_drop: false }`
[INFO] [stdout] efaf2bd4660e90ed96dd26c4fc04bd4c41ef8b26c0254ec7f2b332d657baca25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 694dbb684a9e591dc0f1c31e212b30d03bb4fe1ffb82db97c7808ed7e853e26a
[INFO] running `Command { std: "docker" "start" "-a" "694dbb684a9e591dc0f1c31e212b30d03bb4fe1ffb82db97c7808ed7e853e26a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/rust_vm.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |         let data = ins.data;
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/rust_vm.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ins = self.next_instruction();
[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: associated function is never used: `fmt`
[INFO] [stderr]   --> src/rust_vm.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_vm` (bin "rust_vm" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_vm-cd5bf5fadb4cd960)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_instruction_length ... ok
[INFO] [stdout] test test_init ... ok
[INFO] [stdout] test test_ip_change ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "694dbb684a9e591dc0f1c31e212b30d03bb4fe1ffb82db97c7808ed7e853e26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "694dbb684a9e591dc0f1c31e212b30d03bb4fe1ffb82db97c7808ed7e853e26a", kill_on_drop: false }`
[INFO] [stdout] 694dbb684a9e591dc0f1c31e212b30d03bb4fe1ffb82db97c7808ed7e853e26a
