[INFO] cloning repository https://github.com/muscar/spl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muscar/spl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuscar%2Fspl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuscar%2Fspl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbb5fcc953b086ef584128c8587316067df5071e
[INFO] checking muscar/spl against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuscar%2Fspl" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muscar/spl on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/muscar/spl
[INFO] finished tweaking git repo https://github.com/muscar/spl
[INFO] tweaked toml for git repo https://github.com/muscar/spl written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/muscar/spl 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba163520189570102864c59e3811e06e2cfaef7741af0e45b47b2441313bcbdb
[INFO] running `Command { std: "docker" "start" "-a" "ba163520189570102864c59e3811e06e2cfaef7741af0e45b47b2441313bcbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba163520189570102864c59e3811e06e2cfaef7741af0e45b47b2441313bcbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba163520189570102864c59e3811e06e2cfaef7741af0e45b47b2441313bcbdb", kill_on_drop: false }`
[INFO] [stdout] ba163520189570102864c59e3811e06e2cfaef7741af0e45b47b2441313bcbdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6193337835aa8350fa044eb6a7fc19e96f2692106e1d3f95dcb346ae903a505d
[INFO] running `Command { std: "docker" "start" "-a" "6193337835aa8350fa044eb6a7fc19e96f2692106e1d3f95dcb346ae903a505d", kill_on_drop: false }`
[INFO] [stderr]     Checking spl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Procedure` is never constructed
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum Decl {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 31 |     Var(Ident, Option<TypeAnnot>, Option<Expr>),
[INFO] [stdout] 32 |     Procedure(Ident, Option<TypeAnnot>, Vec<(Ident, TypeAnnot)>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `WriteStr` is never constructed
[INFO] [stdout]     --> src/main.rs:1129:5
[INFO] [stdout]      |
[INFO] [stdout] 1110 | enum OpCode {
[INFO] [stdout]      |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 1129 |     WriteStr,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `OpCode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Procedure` is never constructed
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum Decl {
[INFO] [stdout]    |      ---- variant in this enum
[INFO] [stdout] 31 |     Var(Ident, Option<TypeAnnot>, Option<Expr>),
[INFO] [stdout] 32 |     Procedure(Ident, Option<TypeAnnot>, Vec<(Ident, TypeAnnot)>),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `WriteStr` is never constructed
[INFO] [stdout]     --> src/main.rs:1129:5
[INFO] [stdout]      |
[INFO] [stdout] 1110 | enum OpCode {
[INFO] [stdout]      |      ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 1129 |     WriteStr,
[INFO] [stdout]      |     ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `OpCode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "6193337835aa8350fa044eb6a7fc19e96f2692106e1d3f95dcb346ae903a505d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6193337835aa8350fa044eb6a7fc19e96f2692106e1d3f95dcb346ae903a505d", kill_on_drop: false }`
[INFO] [stdout] 6193337835aa8350fa044eb6a7fc19e96f2692106e1d3f95dcb346ae903a505d