[INFO] cloning repository https://github.com/ancos2505/expression-parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ancos2505/expression-parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fancos2505%2Fexpression-parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fancos2505%2Fexpression-parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 793c5095146f3a45cf2eba2f26a1c23cbad66ec6
[INFO] checking ancos2505/expression-parser/793c5095146f3a45cf2eba2f26a1c23cbad66ec6 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fancos2505%2Fexpression-parser" "/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/ancos2505/expression-parser on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ancos2505/expression-parser
[INFO] finished tweaking git repo https://github.com/ancos2505/expression-parser
[INFO] tweaked toml for git repo https://github.com/ancos2505/expression-parser written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ancos2505/expression-parser 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7a9a1288edb3c85d6b0f02afa814f468f66af249759106d7b3df26610bb0c13
[INFO] running `Command { std: "docker" "start" "-a" "a7a9a1288edb3c85d6b0f02afa814f468f66af249759106d7b3df26610bb0c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7a9a1288edb3c85d6b0f02afa814f468f66af249759106d7b3df26610bb0c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a9a1288edb3c85d6b0f02afa814f468f66af249759106d7b3df26610bb0c13", kill_on_drop: false }`
[INFO] [stdout] a7a9a1288edb3c85d6b0f02afa814f468f66af249759106d7b3df26610bb0c13
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d32e78672750d8c686ab7f4ad4ebe2e070da9d273a3e26b5da01512ed08c91bf
[INFO] running `Command { std: "docker" "start" "-a" "d32e78672750d8c686ab7f4ad4ebe2e070da9d273a3e26b5da01512ed08c91bf", kill_on_drop: false }`
[INFO] [stderr]     Checking expression-parser v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::VecDeque` and `format`
[INFO] [stdout]  --> src/ast_parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::VecDeque,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     fmt::{format, Debug, Display},
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast_parser::AstToken`
[INFO] [stdout]  --> src/tokens.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::ast_parser::AstToken;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::VecDeque` and `format`
[INFO] [stdout]  --> src/ast_parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     collections::VecDeque,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 |     fmt::{format, Debug, Display},
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast_parser::AstToken`
[INFO] [stdout]  --> src/tokens.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::ast_parser::AstToken;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AST` is never constructed
[INFO] [stdout]   --> src/ast_parser.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct AST {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/ast_parser.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/ast_parser.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Token(Box<dyn AstToken>);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_operation` is never used
[INFO] [stdout]   --> src/ast_parser.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 56 |     pub fn get_operation(&self) -> Option<&'static str> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AstToken` is never used
[INFO] [stdout]   --> src/ast_parser.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) trait AstToken: Any + Debug + Display {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `plus` is never used
[INFO] [stdout]    --> src/ast_parser.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn plus(left: Node, right: Node) -> Node {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minus` is never used
[INFO] [stdout]    --> src/ast_parser.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn minus(left: Node, right: Node) -> Node {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]    --> src/ast_parser.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn multiply(left: Node, right: Node) -> Node {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]    --> src/ast_parser.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn divide(left: Node, right: Node) -> Node {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power` is never used
[INFO] [stdout]    --> src/ast_parser.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn power(base: Node, expoent: Node) -> Node {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number` is never used
[INFO] [stdout]    --> src/ast_parser.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn number(n: f64) -> Node {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `length` is never read
[INFO] [stdout]   --> src/lexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     input: &'a str,
[INFO] [stdout] 16 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]   --> src/tokens.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 90 | impl Plus {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]    --> src/tokens.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Minus {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]    --> src/tokens.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl Multiply {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]    --> src/tokens.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl Divide {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]    --> src/tokens.rs:162:18
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Power {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `minus` is never used
[INFO] [stdout]    --> src/ast_parser.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn minus(left: Node, right: Node) -> Node {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]    --> src/ast_parser.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn divide(left: Node, right: Node) -> Node {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `length` is never read
[INFO] [stdout]   --> src/lexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer<'a> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     input: &'a str,
[INFO] [stdout] 16 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]   --> src/tokens.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 90 | impl Plus {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]    --> src/tokens.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Minus {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 111 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]    --> src/tokens.rs:128:18
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl Multiply {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]    --> src/tokens.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl Divide {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `as_str` is never used
[INFO] [stdout]    --> src/tokens.rs:162:18
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Power {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub const fn as_str() -> &'static str {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "d32e78672750d8c686ab7f4ad4ebe2e070da9d273a3e26b5da01512ed08c91bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32e78672750d8c686ab7f4ad4ebe2e070da9d273a3e26b5da01512ed08c91bf", kill_on_drop: false }`
[INFO] [stdout] d32e78672750d8c686ab7f4ad4ebe2e070da9d273a3e26b5da01512ed08c91bf