[INFO] cloning repository https://github.com/Aiden01/vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aiden01/vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiden01%2Fvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiden01%2Fvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e395ce50e9c58ad680b217bf526259193cb9519a
[INFO] checking Aiden01/vm against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiden01%2Fvm" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aiden01/vm on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aiden01/vm
[INFO] finished tweaking git repo https://github.com/Aiden01/vm
[INFO] tweaked toml for git repo https://github.com/Aiden01/vm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Aiden01/vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69e14c3c3b6640fb5517794739f4e68e9f8a7e5fd00cc92c3c2713e13c757b43
[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" "69e14c3c3b6640fb5517794739f4e68e9f8a7e5fd00cc92c3c2713e13c757b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69e14c3c3b6640fb5517794739f4e68e9f8a7e5fd00cc92c3c2713e13c757b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e14c3c3b6640fb5517794739f4e68e9f8a7e5fd00cc92c3c2713e13c757b43", kill_on_drop: false }`
[INFO] [stdout] 69e14c3c3b6640fb5517794739f4e68e9f8a7e5fd00cc92c3c2713e13c757b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c5d0ff43b58cb4b2150dcb7ef52d3f3673635f9e4c87067ab930fb681f6fea5
[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" "1c5d0ff43b58cb4b2150dcb7ef52d3f3673635f9e4c87067ab930fb681f6fea5", kill_on_drop: false }`
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Jump`
[INFO] [stdout]  --> src/instruction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Jump(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpIfFalse`
[INFO] [stdout]  --> src/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     JumpIfFalse(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Store`
[INFO] [stdout]  --> src/instruction.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Store(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Load`
[INFO] [stdout]  --> src/instruction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Load(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BuildList`
[INFO] [stdout]  --> src/instruction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BuildList(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/instruction.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mult`
[INFO] [stdout]   --> src/instruction.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Mult,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/instruction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push2`
[INFO] [stdout]   --> src/stack.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn push2(&mut self, data: (T, T)) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ret`
[INFO] [stdout]   --> src/stack.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn ret(&mut self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/value.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     String(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]  --> src/value.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Bool(bool),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ret`
[INFO] [stdout]   --> src/vm.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn ret(&mut self) -> VmResult<'a, ()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Jump`
[INFO] [stdout]  --> src/instruction.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Jump(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JumpIfFalse`
[INFO] [stdout]  --> src/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     JumpIfFalse(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Store`
[INFO] [stdout]  --> src/instruction.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Store(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Load`
[INFO] [stdout]  --> src/instruction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Load(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BuildList`
[INFO] [stdout]  --> src/instruction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BuildList(usize),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sub`
[INFO] [stdout]   --> src/instruction.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Sub,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mult`
[INFO] [stdout]   --> src/instruction.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Mult,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]   --> src/instruction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Div,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push2`
[INFO] [stdout]   --> src/stack.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn push2(&mut self, data: (T, T)) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ret`
[INFO] [stdout]   --> src/stack.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn ret(&mut self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]  --> src/value.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     String(&'a str),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]  --> src/value.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Bool(bool),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ret`
[INFO] [stdout]   --> src/vm.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn ret(&mut self) -> VmResult<'a, ()> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "1c5d0ff43b58cb4b2150dcb7ef52d3f3673635f9e4c87067ab930fb681f6fea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5d0ff43b58cb4b2150dcb7ef52d3f3673635f9e4c87067ab930fb681f6fea5", kill_on_drop: false }`
[INFO] [stdout] 1c5d0ff43b58cb4b2150dcb7ef52d3f3673635f9e4c87067ab930fb681f6fea5