[INFO] cloning repository https://github.com/Aiden01/vm
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiden01%2Fvm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e395ce50e9c58ad680b217bf526259193cb9519a
[INFO] checking Aiden01/vm against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAiden01%2Fvm" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aiden01/vm on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Aiden01/vm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cca90504734dacbafde674b769ab0b3762e56695763bb1021172988297444b08
[INFO] running `"docker" "start" "-a" "cca90504734dacbafde674b769ab0b3762e56695763bb1021172988297444b08"`
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]  --> src/instruction.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Jump(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JumpIfFalse`
[INFO] [stderr]  --> src/instruction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     JumpIfFalse(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Store`
[INFO] [stderr]  --> src/instruction.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Store(&'a str),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Load`
[INFO] [stderr]  --> src/instruction.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Load(&'a str),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BuildList`
[INFO] [stderr]  --> src/instruction.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     BuildList(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/instruction.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Sub,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mult`
[INFO] [stderr]   --> src/instruction.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Mult,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Div`
[INFO] [stderr]   --> src/instruction.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Div,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push2`
[INFO] [stderr]   --> src/stack.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn push2(&mut self, data: (T, T)) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ret`
[INFO] [stderr]   --> src/stack.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn ret(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]  --> src/value.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     String(&'a str),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]  --> src/value.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Bool(bool),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ret`
[INFO] [stderr]   --> src/vm.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn ret(&mut self) -> VmResult<'a, ()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]  --> src/instruction.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Jump(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JumpIfFalse`
[INFO] [stderr]  --> src/instruction.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     JumpIfFalse(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Store`
[INFO] [stderr]  --> src/instruction.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Store(&'a str),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Load`
[INFO] [stderr]  --> src/instruction.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Load(&'a str),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BuildList`
[INFO] [stderr]  --> src/instruction.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     BuildList(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/instruction.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Sub,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mult`
[INFO] [stderr]   --> src/instruction.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Mult,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Div`
[INFO] [stderr]   --> src/instruction.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Div,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push2`
[INFO] [stderr]   --> src/stack.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn push2(&mut self, data: (T, T)) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ret`
[INFO] [stderr]   --> src/stack.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn ret(&mut self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]  --> src/value.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     String(&'a str),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stderr]  --> src/value.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Bool(bool),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ret`
[INFO] [stderr]   --> src/vm.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn ret(&mut self) -> VmResult<'a, ()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "cca90504734dacbafde674b769ab0b3762e56695763bb1021172988297444b08"`
[INFO] running `"docker" "rm" "-f" "cca90504734dacbafde674b769ab0b3762e56695763bb1021172988297444b08"`
[INFO] [stdout] cca90504734dacbafde674b769ab0b3762e56695763bb1021172988297444b08