[INFO] cloning repository https://github.com/Basile-Paoli/rust-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Basile-Paoli/rust-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasile-Paoli%2Frust-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasile-Paoli%2Frust-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8745ac086f98ae7ae16a1608f410d48c1e025dd
[INFO] checking Basile-Paoli/rust-interpreter against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasile-Paoli%2Frust-interpreter" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Basile-Paoli/rust-interpreter on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Basile-Paoli/rust-interpreter
[INFO] finished tweaking git repo https://github.com/Basile-Paoli/rust-interpreter
[INFO] tweaked toml for git repo https://github.com/Basile-Paoli/rust-interpreter written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Basile-Paoli/rust-interpreter 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" "+a26e97be8826d408309fffbd8168362365719f50" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b0982272470bc159837330a98c30b96c0ee8c2a4553e38ddaea173586ad03b5
[INFO] running `Command { std: "docker" "start" "-a" "1b0982272470bc159837330a98c30b96c0ee8c2a4553e38ddaea173586ad03b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b0982272470bc159837330a98c30b96c0ee8c2a4553e38ddaea173586ad03b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b0982272470bc159837330a98c30b96c0ee8c2a4553e38ddaea173586ad03b5", kill_on_drop: false }`
[INFO] [stdout] 1b0982272470bc159837330a98c30b96c0ee8c2a4553e38ddaea173586ad03b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d07a0d968f3b445b6aab4127174ad60df7fc0e86cdda72cecca0143c95805f5
[INFO] running `Command { std: "docker" "start" "-a" "0d07a0d968f3b445b6aab4127174ad60df7fc0e86cdda72cecca0143c95805f5", kill_on_drop: false }`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Loop` is never constructed
[INFO] [stdout]   --> src/interpreter/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Scope {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 24 |     IfStatement,
[INFO] [stdout] 25 |     Loop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scope` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push` is never used
[INFO] [stdout]   --> src/interpreter/array.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Array {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn push(&mut self, value: Variable) -> Result<(), InterpreterError> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Loop` is never constructed
[INFO] [stdout]   --> src/interpreter/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Scope {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 24 |     IfStatement,
[INFO] [stdout] 25 |     Loop,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scope` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "0d07a0d968f3b445b6aab4127174ad60df7fc0e86cdda72cecca0143c95805f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d07a0d968f3b445b6aab4127174ad60df7fc0e86cdda72cecca0143c95805f5", kill_on_drop: false }`
[INFO] [stdout] 0d07a0d968f3b445b6aab4127174ad60df7fc0e86cdda72cecca0143c95805f5
