[INFO] fetching crate xur 0.1.0... [INFO] testing xur-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate xur 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate xur 0.1.0 [INFO] finished tweaking crates.io crate xur 0.1.0 [INFO] tweaked toml for crates.io crate xur 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate xur 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate xur 0.1.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df8d87e439ed48bbbed72ece454790e35cbb167d0a98f202b096436abf7446ac [INFO] running `Command { std: "docker" "start" "-a" "df8d87e439ed48bbbed72ece454790e35cbb167d0a98f202b096436abf7446ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df8d87e439ed48bbbed72ece454790e35cbb167d0a98f202b096436abf7446ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df8d87e439ed48bbbed72ece454790e35cbb167d0a98f202b096436abf7446ac", kill_on_drop: false }` [INFO] [stdout] df8d87e439ed48bbbed72ece454790e35cbb167d0a98f202b096436abf7446ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 46ec7b2b26fe2501fd15701d9487214dde629ee4986de40dde4666f6166a5b93 [INFO] running `Command { std: "docker" "start" "-a" "46ec7b2b26fe2501fd15701d9487214dde629ee4986de40dde4666f6166a5b93", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling xur v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::ast::value::Statement::Expr` [INFO] [stdout] --> src/ast/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::ast::value::Statement::Expr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/ast/parser.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TokenKind` and `Token` [INFO] [stdout] --> src/ast/value.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::{Token, TokenKind}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Range` [INFO] [stdout] --> src/xurvm/var.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{collections::VecDeque, ops::Range}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/xurvm/var.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/xurvm/vmcore.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/xurvm/vmcore.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/xurvm/vmcore.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `xurvm::XurVM` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use xurvm::XurVM; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/xurvm/vmcore.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 112 | return Ok(Value::Function(fn_ref)); [INFO] [stdout] | ---------------------------------- any code following this expression is unreachable [INFO] [stdout] 113 | / Ok(Value::create_fn( [INFO] [stdout] 114 | | &format!("__sym_bind_@{}", value_1), [INFO] [stdout] 115 | | 1, [INFO] [stdout] 116 | | |env, args| { [INFO] [stdout] ... | [INFO] [stdout] 121 | | }, [INFO] [stdout] 122 | | )) [INFO] [stdout] | |______________^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/ast/parser.rs:108:39 [INFO] [stdout] | [INFO] [stdout] 108 | TokenKind::Identifier(id) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/xurvm/vmcore.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/xurvm/vmcore.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 138 | Statement::Expr(e) => self.run_expr(e), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 139 | Statement::Empty => Ok(Value::None), [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/xurvm/vmcore.rs:174:21 [INFO] [stdout] | [INFO] [stdout] 174 | let mut fn_value = self.get_value(*callie)?.get_callable()?; [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: variants `Boolean` and `None` are never constructed [INFO] [stdout] --> src/ast/value.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum LiteralValue { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 8 | Boolean(bool), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LiteralValue` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Plus` and `Dot` are never constructed [INFO] [stdout] --> src/lexer/token.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Plus, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | Dot, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/lexer/token.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 27 | pub kind: TokenKind, [INFO] [stdout] 28 | pub length: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `nth` and `second` are never used [INFO] [stdout] --> src/lexer/tokenizer.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 55 | impl<'a> Tokenizer<'a> { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn nth(&self, i: usize) -> char { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn second(&self) -> char { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.50s [INFO] running `Command { std: "docker" "inspect" "46ec7b2b26fe2501fd15701d9487214dde629ee4986de40dde4666f6166a5b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46ec7b2b26fe2501fd15701d9487214dde629ee4986de40dde4666f6166a5b93", kill_on_drop: false }` [INFO] [stdout] 46ec7b2b26fe2501fd15701d9487214dde629ee4986de40dde4666f6166a5b93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1ab9e338972fb5fe4bbacf763c91659eab1e6d394423eeec4d427c3708a3135 [INFO] running `Command { std: "docker" "start" "-a" "e1ab9e338972fb5fe4bbacf763c91659eab1e6d394423eeec4d427c3708a3135", kill_on_drop: false }` [INFO] [stderr] Compiling xur v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::ast::value::Statement::Expr` [INFO] [stdout] --> src/ast/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::ast::value::Statement::Expr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/ast/parser.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TokenKind` and `Token` [INFO] [stdout] --> src/ast/value.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::{Token, TokenKind}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Range` [INFO] [stdout] --> src/xurvm/var.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{collections::VecDeque, ops::Range}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/xurvm/var.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/xurvm/vmcore.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/xurvm/vmcore.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/xurvm/vmcore.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `xurvm::XurVM` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use xurvm::XurVM; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/xurvm/vmcore.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 112 | return Ok(Value::Function(fn_ref)); [INFO] [stdout] | ---------------------------------- any code following this expression is unreachable [INFO] [stdout] 113 | / Ok(Value::create_fn( [INFO] [stdout] 114 | | &format!("__sym_bind_@{}", value_1), [INFO] [stdout] 115 | | 1, [INFO] [stdout] 116 | | |env, args| { [INFO] [stdout] ... | [INFO] [stdout] 121 | | }, [INFO] [stdout] 122 | | )) [INFO] [stdout] | |______________^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/ast/parser.rs:108:39 [INFO] [stdout] | [INFO] [stdout] 108 | TokenKind::Identifier(id) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/xurvm/vmcore.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/xurvm/vmcore.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 138 | Statement::Expr(e) => self.run_expr(e), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 139 | Statement::Empty => Ok(Value::None), [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/xurvm/vmcore.rs:174:21 [INFO] [stdout] | [INFO] [stdout] 174 | let mut fn_value = self.get_value(*callie)?.get_callable()?; [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: variants `Boolean` and `None` are never constructed [INFO] [stdout] --> src/ast/value.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum LiteralValue { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 8 | Boolean(bool), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LiteralValue` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Plus` and `Dot` are never constructed [INFO] [stdout] --> src/lexer/token.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Plus, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | Dot, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/lexer/token.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 27 | pub kind: TokenKind, [INFO] [stdout] 28 | pub length: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `nth` and `second` are never used [INFO] [stdout] --> src/lexer/tokenizer.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 55 | impl<'a> Tokenizer<'a> { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn nth(&self, i: usize) -> char { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn second(&self) -> char { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "e1ab9e338972fb5fe4bbacf763c91659eab1e6d394423eeec4d427c3708a3135", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1ab9e338972fb5fe4bbacf763c91659eab1e6d394423eeec4d427c3708a3135", kill_on_drop: false }` [INFO] [stdout] e1ab9e338972fb5fe4bbacf763c91659eab1e6d394423eeec4d427c3708a3135 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 917ca4da63db287319be8fca030acf1c6a068c8240a1bebd22266750fcc0aeff [INFO] running `Command { std: "docker" "start" "-a" "917ca4da63db287319be8fca030acf1c6a068c8240a1bebd22266750fcc0aeff", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::ast::value::Statement::Expr` [INFO] [stderr] --> src/ast/parser.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::ast::value::Statement::Expr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `anyhow` [INFO] [stderr] --> src/ast/parser.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `TokenKind` and `Token` [INFO] [stderr] --> src/ast/value.rs:1:20 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::lexer::{Token, TokenKind}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ops::Range` [INFO] [stderr] --> src/xurvm/var.rs:2:34 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{collections::VecDeque, ops::Range}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `anyhow` [INFO] [stderr] --> src/xurvm/var.rs:5:14 [INFO] [stderr] | [INFO] [stderr] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::marker::PhantomData` [INFO] [stderr] --> src/xurvm/vmcore.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::marker::PhantomData; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `anyhow` [INFO] [stderr] --> src/xurvm/vmcore.rs:7:14 [INFO] [stderr] | [INFO] [stderr] 7 | use anyhow::{anyhow, bail, Context}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `info` [INFO] [stderr] --> src/xurvm/vmcore.rs:8:22 [INFO] [stderr] | [INFO] [stderr] 8 | use tracing::{debug, info}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `xurvm::XurVM` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use xurvm::XurVM; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/xurvm/vmcore.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 112 | return Ok(Value::Function(fn_ref)); [INFO] [stderr] | ---------------------------------- any code following this expression is unreachable [INFO] [stderr] 113 | / Ok(Value::create_fn( [INFO] [stderr] 114 | | &format!("__sym_bind_@{}", value_1), [INFO] [stderr] 115 | | 1, [INFO] [stderr] 116 | | |env, args| { [INFO] [stderr] ... | [INFO] [stderr] 121 | | }, [INFO] [stderr] 122 | | )) [INFO] [stderr] | |______________^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/ast/parser.rs:108:39 [INFO] [stderr] | [INFO] [stderr] 108 | TokenKind::Identifier(id) => { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/xurvm/vmcore.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] note: multiple earlier patterns match some of the same values [INFO] [stderr] --> src/xurvm/vmcore.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 138 | Statement::Expr(e) => self.run_expr(e), [INFO] [stderr] | ------------------ matches some of the same values [INFO] [stderr] 139 | Statement::Empty => Ok(Value::None), [INFO] [stderr] | ---------------- matches some of the same values [INFO] [stderr] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stderr] | ^ collectively making this unreachable [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/xurvm/vmcore.rs:174:21 [INFO] [stderr] | [INFO] [stderr] 174 | let mut fn_value = self.get_value(*callie)?.get_callable()?; [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: variants `Boolean` and `None` are never constructed [INFO] [stderr] --> src/ast/value.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 5 | pub enum LiteralValue { [INFO] [stderr] | ------------ variants in this enum [INFO] [stderr] ... [INFO] [stderr] 8 | Boolean(bool), [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 9 | None, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `LiteralValue` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variants `Plus` and `Dot` are never constructed [INFO] [stderr] --> src/lexer/token.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 4 | pub enum TokenKind { [INFO] [stderr] | --------- variants in this enum [INFO] [stderr] ... [INFO] [stderr] 16 | Plus, [INFO] [stderr] | ^^^^ [INFO] [stderr] 17 | Dot, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `TokenKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: field `length` is never read [INFO] [stderr] --> src/lexer/token.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 26 | pub struct Token { [INFO] [stderr] | ----- field in this struct [INFO] [stderr] 27 | pub kind: TokenKind, [INFO] [stderr] 28 | pub length: usize, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: methods `nth` and `second` are never used [INFO] [stderr] --> src/lexer/tokenizer.rs:63:12 [INFO] [stderr] | [INFO] [stderr] 55 | impl<'a> Tokenizer<'a> { [INFO] [stderr] | ---------------------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 63 | pub fn nth(&self, i: usize) -> char { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 76 | pub fn second(&self) -> char { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `xur` (bin "xur" test) generated 17 warnings (run `cargo fix --bin "xur" --tests` to apply 10 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/xur-2a66bfd43cd8b987) [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" "917ca4da63db287319be8fca030acf1c6a068c8240a1bebd22266750fcc0aeff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "917ca4da63db287319be8fca030acf1c6a068c8240a1bebd22266750fcc0aeff", kill_on_drop: false }` [INFO] [stdout] 917ca4da63db287319be8fca030acf1c6a068c8240a1bebd22266750fcc0aeff