[INFO] cloning repository https://github.com/twhice/mll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twhice/mll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwhice%2Fmll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwhice%2Fmll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12a21d41d4eab997bedcf111024ffd48e5d3073e
[INFO] checking twhice/mll against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-no-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwhice%2Fmll" "/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/twhice/mll
[INFO] finished tweaking git repo https://github.com/twhice/mll
[INFO] tweaked toml for git repo https://github.com/twhice/mll written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/twhice/mll on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/twhice/mll 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.painc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c22502020497050fdf274b52d1328567dff6ec5be7e7c8dcc02e44ee7877b79b
[INFO] running `Command { std: "docker" "start" "-a" "c22502020497050fdf274b52d1328567dff6ec5be7e7c8dcc02e44ee7877b79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c22502020497050fdf274b52d1328567dff6ec5be7e7c8dcc02e44ee7877b79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22502020497050fdf274b52d1328567dff6ec5be7e7c8dcc02e44ee7877b79b", kill_on_drop: false }`
[INFO] [stdout] c22502020497050fdf274b52d1328567dff6ec5be7e7c8dcc02e44ee7877b79b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c665f0a905f3e43cce68c86f466a19562e0b643ca017e476aa24d45a2e6cdeb
[INFO] running `Command { std: "docker" "start" "-a" "3c665f0a905f3e43cce68c86f466a19562e0b643ca017e476aa24d45a2e6cdeb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.painc
[INFO] [stderr]     Checking mindustry-logic-language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `begin` is never read
[INFO] [stdout]   --> src/parse.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Parser {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub begin: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` has derived impls for the traits `Clone` and `Debug`, but these are 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: method `compile` is never used
[INFO] [stdout]    --> src/stmt.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub trait Statement: Debug {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] 217 |     fn compile(self) -> Vec<String>;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/stmt.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     Vul(String),
[INFO] [stdout]     |     --- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 222 -     Vul(String),
[INFO] [stdout] 222 +     Vul(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/stmt.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |     WithOp1(Symbol, Box<Expr>),
[INFO] [stdout]     |     ------- ^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 223 -     WithOp1(Symbol, Box<Expr>),
[INFO] [stdout] 223 +     WithOp1((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/stmt.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |     WithOp2(Symbol, Box<Expr>, Box<Expr>),
[INFO] [stdout]     |     ------- ^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 224 -     WithOp2(Symbol, Box<Expr>, Box<Expr>),
[INFO] [stdout] 224 +     WithOp2((), (), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `l`, `op`, and `r` are never read
[INFO] [stdout]    --> src/stmt.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Set {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 236 |     pub l: String,
[INFO] [stdout]     |         ^
[INFO] [stdout] 237 |     pub op: Symbol,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 238 |     pub r: Expr,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Set` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond_blocks` and `else_block` are never read
[INFO] [stdout]    --> src/stmt.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub struct If {
[INFO] [stdout]     |            -- fields in this struct
[INFO] [stdout] 249 |     pub cond_blocks: Vec<(Expr, Stmts)>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 250 |     pub else_block: Option<Stmts>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `If` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond` and `block` are never read
[INFO] [stdout]    --> src/stmt.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub struct While {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 261 |     pub cond: Expr,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 262 |     pub block: Stmts,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `While` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond` and `block` are never read
[INFO] [stdout]    --> src/stmt.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub struct RepeatUntil {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 273 |     pub cond: Expr,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 274 |     pub block: Stmts,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RepeatUntil` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/stmt.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub struct Label {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 288 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Label` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `label` is never read
[INFO] [stdout]    --> src/stmt.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub struct Goto {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 299 |     pub label: String,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Goto` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Func` is never constructed
[INFO] [stdout]    --> src/stmt.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 311 | pub struct Func {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `begin` is never read
[INFO] [stdout]   --> src/parse.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Parser {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub begin: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` has derived impls for the traits `Clone` and `Debug`, but these are 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: method `compile` is never used
[INFO] [stdout]    --> src/stmt.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub trait Statement: Debug {
[INFO] [stdout]     |           --------- method in this trait
[INFO] [stdout] 217 |     fn compile(self) -> Vec<String>;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/stmt.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 222 |     Vul(String),
[INFO] [stdout]     |     --- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 222 -     Vul(String),
[INFO] [stdout] 222 +     Vul(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/stmt.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |     WithOp1(Symbol, Box<Expr>),
[INFO] [stdout]     |     ------- ^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 223 -     WithOp1(Symbol, Box<Expr>),
[INFO] [stdout] 223 +     WithOp1((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/stmt.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |     WithOp2(Symbol, Box<Expr>, Box<Expr>),
[INFO] [stdout]     |     ------- ^^^^^^  ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 224 -     WithOp2(Symbol, Box<Expr>, Box<Expr>),
[INFO] [stdout] 224 +     WithOp2((), (), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `l`, `op`, and `r` are never read
[INFO] [stdout]    --> src/stmt.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 235 | pub struct Set {
[INFO] [stdout]     |            --- fields in this struct
[INFO] [stdout] 236 |     pub l: String,
[INFO] [stdout]     |         ^
[INFO] [stdout] 237 |     pub op: Symbol,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 238 |     pub r: Expr,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Set` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond_blocks` and `else_block` are never read
[INFO] [stdout]    --> src/stmt.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub struct If {
[INFO] [stdout]     |            -- fields in this struct
[INFO] [stdout] 249 |     pub cond_blocks: Vec<(Expr, Stmts)>,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 250 |     pub else_block: Option<Stmts>,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `If` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond` and `block` are never read
[INFO] [stdout]    --> src/stmt.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 260 | pub struct While {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 261 |     pub cond: Expr,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 262 |     pub block: Stmts,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `While` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond` and `block` are never read
[INFO] [stdout]    --> src/stmt.rs:273:9
[INFO] [stdout]     |
[INFO] [stdout] 272 | pub struct RepeatUntil {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] 273 |     pub cond: Expr,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 274 |     pub block: Stmts,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RepeatUntil` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/stmt.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 287 | pub struct Label {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 288 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Label` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `label` is never read
[INFO] [stdout]    --> src/stmt.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub struct Goto {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 299 |     pub label: String,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Goto` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Func` is never constructed
[INFO] [stdout]    --> src/stmt.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 311 | pub struct Func {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "3c665f0a905f3e43cce68c86f466a19562e0b643ca017e476aa24d45a2e6cdeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c665f0a905f3e43cce68c86f466a19562e0b643ca017e476aa24d45a2e6cdeb", kill_on_drop: false }`
[INFO] [stdout] 3c665f0a905f3e43cce68c86f466a19562e0b643ca017e476aa24d45a2e6cdeb
