[INFO] cloning repository https://github.com/ezntek/prototypevm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ezntek/prototypevm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezntek%2Fprototypevm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezntek%2Fprototypevm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53622d930b3cc9e0c213037bddb96c570c9e89de
[INFO] checking ezntek/prototypevm against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezntek%2Fprototypevm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ezntek/prototypevm
[INFO] finished tweaking git repo https://github.com/ezntek/prototypevm
[INFO] tweaked toml for git repo https://github.com/ezntek/prototypevm written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ezntek/prototypevm on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ezntek/prototypevm 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c
[INFO] running `Command { std: "docker" "start" "057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking prototypevm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Eq`, `Neq`, `Lt`, `Geq`, and `Leq` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Comparison {
[INFO] [stdout]   |      ---------- variants in this enum
[INFO] [stdout] 3 |     Eq(usize, usize),
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     Neq(usize, usize),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     Gt(usize, usize),
[INFO] [stdout] 6 |     Lt(usize, usize),
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     Geq(usize, usize),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     Leq(usize, usize),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Comparison` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Instruction {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 12 |     Add { dst: usize, src1: usize, src2: usize },
[INFO] [stdout] 13 |     Sub { dst: usize, src1: usize, src2: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     Mul { dst: usize, src1: usize, src2: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Div { dst: usize, src1: usize, src2: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     Copy { dst: usize, src: usize },
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Push { val: i32 },
[INFO] [stdout] 18 |     Del { src: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Out { src: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     OutStr { str: &'static str },
[INFO] [stdout] 21 |     Jump { dst: usize },
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     JmpIfZero { dst: usize, src: usize },
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 23 |     JmpIfNotZero { dst: usize, src: usize},
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Eq`, `Neq`, `Lt`, `Geq`, and `Leq` are never constructed
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Comparison {
[INFO] [stdout]   |      ---------- variants in this enum
[INFO] [stdout] 3 |     Eq(usize, usize),
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     Neq(usize, usize),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 5 |     Gt(usize, usize),
[INFO] [stdout] 6 |     Lt(usize, usize),
[INFO] [stdout]   |     ^^
[INFO] [stdout] 7 |     Geq(usize, usize),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     Leq(usize, usize),
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Comparison` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Instruction {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] 12 |     Add { dst: usize, src1: usize, src2: usize },
[INFO] [stdout] 13 |     Sub { dst: usize, src1: usize, src2: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     Mul { dst: usize, src1: usize, src2: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     Div { dst: usize, src1: usize, src2: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     Copy { dst: usize, src: usize },
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     Push { val: i32 },
[INFO] [stdout] 18 |     Del { src: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 19 |     Out { src: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 20 |     OutStr { str: &'static str },
[INFO] [stdout] 21 |     Jump { dst: usize },
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 22 |     JmpIfZero { dst: usize, src: usize },
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 23 |     JmpIfNotZero { dst: usize, src: usize},
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c", kill_on_drop: false }`
[INFO] [stdout] 057f97ce79cc70c6960164e23d118872ff53a891a8980ce4bed9921f05ef125c
