[INFO] cloning repository https://github.com/Jengamon/cattail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jengamon/cattail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJengamon%2Fcattail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJengamon%2Fcattail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b162e7b837348af9c3def198c4d598be1173a90
[INFO] testing Jengamon/cattail against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJengamon%2Fcattail" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jengamon/cattail on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jengamon/cattail
[INFO] finished tweaking git repo https://github.com/Jengamon/cattail
[INFO] tweaked toml for git repo https://github.com/Jengamon/cattail written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jengamon/cattail already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b715195a11943e7dc2505709aef161e24d45a54a30dc5595b7798131f005cf95
[INFO] running `Command { std: "docker" "start" "-a" "b715195a11943e7dc2505709aef161e24d45a54a30dc5595b7798131f005cf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b715195a11943e7dc2505709aef161e24d45a54a30dc5595b7798131f005cf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b715195a11943e7dc2505709aef161e24d45a54a30dc5595b7798131f005cf95", kill_on_drop: false }`
[INFO] [stdout] b715195a11943e7dc2505709aef161e24d45a54a30dc5595b7798131f005cf95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 261bfa0c4cb550d29b8b7cf5fb1658df5c3d0a2fa1c6f8000f35dffd383fd0dc
[INFO] running `Command { std: "docker" "start" "-a" "261bfa0c4cb550d29b8b7cf5fb1658df5c3d0a2fa1c6f8000f35dffd383fd0dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cattail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type PrefixParselet = Fn(&mut Parser, Token) -> ParserResult<Expr>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, Token) -> ParserResult<Expr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type InfixParselet = Fn(&mut Parser, Token, Expr) -> ParserResult<Expr>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, Token, Expr) -> ParserResult<Expr>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/parser.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn new_object_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/parser.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn new_object_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/parser.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn variable_reference_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/parser.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn number_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut lexer = Lexer::new(test_text.chars());
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Null,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]  --> src/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     And,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Or,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]  --> src/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     True,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]  --> src/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     False,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]  --> src/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Function,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunctionAt`
[INFO] [stdout]   --> src/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     FunctionAt,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> src/token.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Not, NotEqual, Caret,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEqual`
[INFO] [stdout]   --> src/token.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Not, NotEqual, Caret,
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hex`
[INFO] [stdout]   --> src/token.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Hex(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Octal`
[INFO] [stdout]   --> src/token.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Octal(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Base36`
[INFO] [stdout]   --> src/token.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Base36(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     EOF
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line`
[INFO] [stdout]   --> src/lexer.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn line(&self) -> usize { self.ln }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/lexer.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn start(&self) -> usize { self.col }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end`
[INFO] [stdout]   --> src/lexer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn end(&self) -> usize { self.ecol }
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Any`
[INFO] [stdout]  --> src/ast.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Any,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Interface`
[INFO] [stdout]   --> src/ast.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Interface(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Object`
[INFO] [stdout]   --> src/ast.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Object,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/ast.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     Function {
[INFO] [stdout] 13 | |         parameters: Vec<Type>,
[INFO] [stdout] 14 | |         return_type: Box<Type>,
[INFO] [stdout] 15 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Matrix`
[INFO] [stdout]   --> src/ast.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     Matrix {
[INFO] [stdout] 17 | |         width: usize,
[INFO] [stdout] 18 | |         height: usize,
[INFO] [stdout] 19 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/ast.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/ast.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/ast.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Integer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/ast.rs:23:2
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/ast.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Expression(Expr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assignment`
[INFO] [stdout]   --> src/ast.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Assignment(Assignment),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> src/ast.rs:30:2
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Return(Return),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_stat`
[INFO] [stdout]   --> src/ast.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn new_stat(target: Path, value: Expr) -> Stat {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubAccess`
[INFO] [stdout]   --> src/ast.rs:56:2
[INFO] [stdout]    |
[INFO] [stdout] 56 |     SubAccess(SubAccess),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/ast.rs:57:2
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Call(Call),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NewObject`
[INFO] [stdout]   --> src/ast.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 |     NewObject(NewObject),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/ast.rs:59:2
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Function(Function),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Path`
[INFO] [stdout]   --> src/ast.rs:61:2
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Path(Path),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_identifier`
[INFO] [stdout]   --> src/ast.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn is_identifier(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_identifier`
[INFO] [stdout]   --> src/ast.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn as_identifier(&self) -> Option<Identifier> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_path`
[INFO] [stdout]   --> src/ast.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn is_path(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_path`
[INFO] [stdout]   --> src/ast.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn as_path(&self) -> Option<Path> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_binary`
[INFO] [stdout]   --> src/ast.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn is_binary(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_binary`
[INFO] [stdout]   --> src/ast.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn as_binary(&self) -> Option<Binary> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op`
[INFO] [stdout]    --> src/ast.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn op(&self) -> Token { self.op.clone() }
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_expr`
[INFO] [stdout]    --> src/ast.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn new_expr(elements: WithSpan<Vec<String>>) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unspecified`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Unspecified(String, Span),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidItem`
[INFO] [stdout]  --> src/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidItem(Expr),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file`
[INFO] [stdout]   --> src/parser.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn file(&mut self) -> ParserResult<Vec<Stat>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assignment`
[INFO] [stdout]   --> src/parser.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn assignment(&mut self) -> ParserResult<Stat> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "261bfa0c4cb550d29b8b7cf5fb1658df5c3d0a2fa1c6f8000f35dffd383fd0dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261bfa0c4cb550d29b8b7cf5fb1658df5c3d0a2fa1c6f8000f35dffd383fd0dc", kill_on_drop: false }`
[INFO] [stdout] 261bfa0c4cb550d29b8b7cf5fb1658df5c3d0a2fa1c6f8000f35dffd383fd0dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fafe7df4a70b52920667cf9c9b9c8fef34b4344eb4d3ab2f2ef6262463cbfec5
[INFO] running `Command { std: "docker" "start" "-a" "fafe7df4a70b52920667cf9c9b9c8fef34b4344eb4d3ab2f2ef6262463cbfec5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cattail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub type PrefixParselet = Fn(&mut Parser, Token) -> ParserResult<Expr>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, Token) -> ParserResult<Expr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:20:26
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type InfixParselet = Fn(&mut Parser, Token, Expr) -> ParserResult<Expr>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, Token, Expr) -> ParserResult<Expr>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/parser.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn new_object_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/parser.rs:22:37
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn new_object_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stdout]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/parser.rs:26:29
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn variable_reference_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/parser.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn number_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut lexer = Lexer::new(test_text.chars());
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]  --> src/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Null,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `And`
[INFO] [stdout]  --> src/token.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     And,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Or`
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Or,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `True`
[INFO] [stdout]  --> src/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     True,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `False`
[INFO] [stdout]  --> src/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     False,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]  --> src/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Function,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FunctionAt`
[INFO] [stdout]   --> src/token.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     FunctionAt,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> src/token.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Not, NotEqual, Caret,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotEqual`
[INFO] [stdout]   --> src/token.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Not, NotEqual, Caret,
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Hex`
[INFO] [stdout]   --> src/token.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Hex(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Octal`
[INFO] [stdout]   --> src/token.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Octal(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Base36`
[INFO] [stdout]   --> src/token.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Base36(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     EOF
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `line`
[INFO] [stdout]   --> src/lexer.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn line(&self) -> usize { self.ln }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/lexer.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn start(&self) -> usize { self.col }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `end`
[INFO] [stdout]   --> src/lexer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn end(&self) -> usize { self.ecol }
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Any`
[INFO] [stdout]  --> src/ast.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Any,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Interface`
[INFO] [stdout]   --> src/ast.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Interface(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Object`
[INFO] [stdout]   --> src/ast.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Object,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/ast.rs:12:2
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     Function {
[INFO] [stdout] 13 | |         parameters: Vec<Type>,
[INFO] [stdout] 14 | |         return_type: Box<Type>,
[INFO] [stdout] 15 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Matrix`
[INFO] [stdout]   --> src/ast.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     Matrix {
[INFO] [stdout] 17 | |         width: usize,
[INFO] [stdout] 18 | |         height: usize,
[INFO] [stdout] 19 | |     },
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/ast.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Null`
[INFO] [stdout]   --> src/ast.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Null,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]   --> src/ast.rs:22:2
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Integer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/ast.rs:23:2
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Float,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expression`
[INFO] [stdout]   --> src/ast.rs:28:2
[INFO] [stdout]    |
[INFO] [stdout] 28 |     Expression(Expr),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assignment`
[INFO] [stdout]   --> src/ast.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Assignment(Assignment),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]   --> src/ast.rs:30:2
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Return(Return),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_stat`
[INFO] [stdout]   --> src/ast.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn new_stat(target: Path, value: Expr) -> Stat {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubAccess`
[INFO] [stdout]   --> src/ast.rs:56:2
[INFO] [stdout]    |
[INFO] [stdout] 56 |     SubAccess(SubAccess),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/ast.rs:57:2
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Call(Call),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NewObject`
[INFO] [stdout]   --> src/ast.rs:58:2
[INFO] [stdout]    |
[INFO] [stdout] 58 |     NewObject(NewObject),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Function`
[INFO] [stdout]   --> src/ast.rs:59:2
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Function(Function),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Path`
[INFO] [stdout]   --> src/ast.rs:61:2
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Path(Path),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_identifier`
[INFO] [stdout]   --> src/ast.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn is_identifier(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_identifier`
[INFO] [stdout]   --> src/ast.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn as_identifier(&self) -> Option<Identifier> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_path`
[INFO] [stdout]   --> src/ast.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn is_path(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_path`
[INFO] [stdout]   --> src/ast.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn as_path(&self) -> Option<Path> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_binary`
[INFO] [stdout]   --> src/ast.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn is_binary(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_binary`
[INFO] [stdout]   --> src/ast.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn as_binary(&self) -> Option<Binary> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `op`
[INFO] [stdout]    --> src/ast.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn op(&self) -> Token { self.op.clone() }
[INFO] [stdout]     |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_expr`
[INFO] [stdout]    --> src/ast.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn new_expr(elements: WithSpan<Vec<String>>) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unspecified`
[INFO] [stdout]  --> src/parser.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Unspecified(String, Span),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidItem`
[INFO] [stdout]  --> src/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidItem(Expr),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file`
[INFO] [stdout]   --> src/parser.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn file(&mut self) -> ParserResult<Vec<Stat>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assignment`
[INFO] [stdout]   --> src/parser.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn assignment(&mut self) -> ParserResult<Stat> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "fafe7df4a70b52920667cf9c9b9c8fef34b4344eb4d3ab2f2ef6262463cbfec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafe7df4a70b52920667cf9c9b9c8fef34b4344eb4d3ab2f2ef6262463cbfec5", kill_on_drop: false }`
[INFO] [stdout] fafe7df4a70b52920667cf9c9b9c8fef34b4344eb4d3ab2f2ef6262463cbfec5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac9a09a3642c0592f018930ad198014b76d59d97598ae252377ae09bfc107ca7
[INFO] running `Command { std: "docker" "start" "-a" "ac9a09a3642c0592f018930ad198014b76d59d97598ae252377ae09bfc107ca7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:19:27
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub type PrefixParselet = Fn(&mut Parser, Token) -> ParserResult<Expr>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, Token) -> ParserResult<Expr>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type InfixParselet = Fn(&mut Parser, Token, Expr) -> ParserResult<Expr>;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Parser, Token, Expr) -> ParserResult<Expr>`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/parser.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn new_object_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/parser.rs:22:37
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn new_object_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stderr]    |                                     ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/parser.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn variable_reference_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stderr]    |                             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/parser.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn number_prslt(p: &mut Parser, t: Token) -> ParserResult<Expr> {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut lexer = Lexer::new(test_text.chars());
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Null`
[INFO] [stderr]  --> src/token.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Null,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]  --> src/token.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     And,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]  --> src/token.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Or,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `True`
[INFO] [stderr]  --> src/token.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     True,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `False`
[INFO] [stderr]  --> src/token.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     False,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]  --> src/token.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Function,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FunctionAt`
[INFO] [stderr]   --> src/token.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     FunctionAt,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/token.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Not, NotEqual, Caret,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotEqual`
[INFO] [stderr]   --> src/token.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Not, NotEqual, Caret,
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Hex`
[INFO] [stderr]   --> src/token.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     Hex(String),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Octal`
[INFO] [stderr]   --> src/token.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     Octal(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Base36`
[INFO] [stderr]   --> src/token.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     Base36(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EOF`
[INFO] [stderr]   --> src/token.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     EOF
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `line`
[INFO] [stderr]   --> src/lexer.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn line(&self) -> usize { self.ln }
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start`
[INFO] [stderr]   --> src/lexer.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn start(&self) -> usize { self.col }
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `end`
[INFO] [stderr]   --> src/lexer.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn end(&self) -> usize { self.ecol }
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Any`
[INFO] [stderr]  --> src/ast.rs:9:2
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Any,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Interface`
[INFO] [stderr]   --> src/ast.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Interface(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Object`
[INFO] [stderr]   --> src/ast.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Object,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/ast.rs:12:2
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     Function {
[INFO] [stderr] 13 | |         parameters: Vec<Type>,
[INFO] [stderr] 14 | |         return_type: Box<Type>,
[INFO] [stderr] 15 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Matrix`
[INFO] [stderr]   --> src/ast.rs:16:2
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     Matrix {
[INFO] [stderr] 17 | |         width: usize,
[INFO] [stderr] 18 | |         height: usize,
[INFO] [stderr] 19 | |     },
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/ast.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |     String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Null`
[INFO] [stderr]   --> src/ast.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Null,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]   --> src/ast.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Integer,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Float`
[INFO] [stderr]   --> src/ast.rs:23:2
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Float,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]   --> src/ast.rs:28:2
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Expression(Expr),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]   --> src/ast.rs:29:2
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Assignment(Assignment),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/ast.rs:30:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Return(Return),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_stat`
[INFO] [stderr]   --> src/ast.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn new_stat(target: Path, value: Expr) -> Stat {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SubAccess`
[INFO] [stderr]   --> src/ast.rs:56:2
[INFO] [stderr]    |
[INFO] [stderr] 56 |     SubAccess(SubAccess),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/ast.rs:57:2
[INFO] [stderr]    |
[INFO] [stderr] 57 |     Call(Call),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NewObject`
[INFO] [stderr]   --> src/ast.rs:58:2
[INFO] [stderr]    |
[INFO] [stderr] 58 |     NewObject(NewObject),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/ast.rs:59:2
[INFO] [stderr]    |
[INFO] [stderr] 59 |     Function(Function),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Path`
[INFO] [stderr]   --> src/ast.rs:61:2
[INFO] [stderr]    |
[INFO] [stderr] 61 |     Path(Path),
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_identifier`
[INFO] [stderr]   --> src/ast.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn is_identifier(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `as_identifier`
[INFO] [stderr]   --> src/ast.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn as_identifier(&self) -> Option<Identifier> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_path`
[INFO] [stderr]   --> src/ast.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn is_path(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `as_path`
[INFO] [stderr]   --> src/ast.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn as_path(&self) -> Option<Path> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_binary`
[INFO] [stderr]   --> src/ast.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn is_binary(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `as_binary`
[INFO] [stderr]   --> src/ast.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn as_binary(&self) -> Option<Binary> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `op`
[INFO] [stderr]    --> src/ast.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn op(&self) -> Token { self.op.clone() }
[INFO] [stderr]     |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_expr`
[INFO] [stderr]    --> src/ast.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn new_expr(elements: WithSpan<Vec<String>>) -> Expr {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unspecified`
[INFO] [stderr]  --> src/parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Unspecified(String, Span),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidItem`
[INFO] [stderr]  --> src/parser.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     InvalidItem(Expr),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `file`
[INFO] [stderr]   --> src/parser.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn file(&mut self) -> ParserResult<Vec<Stat>> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `assignment`
[INFO] [stderr]   --> src/parser.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn assignment(&mut self) -> ParserResult<Stat> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 53 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cattail-53979c1ec9f180ae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac9a09a3642c0592f018930ad198014b76d59d97598ae252377ae09bfc107ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9a09a3642c0592f018930ad198014b76d59d97598ae252377ae09bfc107ca7", kill_on_drop: false }`
[INFO] [stdout] ac9a09a3642c0592f018930ad198014b76d59d97598ae252377ae09bfc107ca7