[INFO] cloning repository https://github.com/oberblastmeister/monkey [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oberblastmeister/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberblastmeister%2Fmonkey", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberblastmeister%2Fmonkey'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f3324627ebb543c5d00b39907c07a50ec83e2233 [INFO] checking oberblastmeister/monkey against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foberblastmeister%2Fmonkey" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/oberblastmeister/monkey [INFO] finished tweaking git repo https://github.com/oberblastmeister/monkey [INFO] tweaked toml for git repo https://github.com/oberblastmeister/monkey written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/oberblastmeister/monkey on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/oberblastmeister/monkey 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b704f8371ff4c253cce93945ca139dc4be742cc40e88d1a8f359ca8efee04b6 [INFO] running `Command { std: "docker" "start" "-a" "9b704f8371ff4c253cce93945ca139dc4be742cc40e88d1a8f359ca8efee04b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b704f8371ff4c253cce93945ca139dc4be742cc40e88d1a8f359ca8efee04b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b704f8371ff4c253cce93945ca139dc4be742cc40e88d1a8f359ca8efee04b6", kill_on_drop: false }` [INFO] [stdout] 9b704f8371ff4c253cce93945ca139dc4be742cc40e88d1a8f359ca8efee04b6 [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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d54f6fa6f9d5f1e818ae3ea7c8c0c86001d7bccdde9e48ca796a36ce2a67505 [INFO] running `Command { std: "docker" "start" "-a" "7d54f6fa6f9d5f1e818ae3ea7c8c0c86001d7bccdde9e48ca796a36ce2a67505", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.87 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling trybuild v1.0.42 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking unicode-segmentation v1.7.1 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking smol_str v0.1.17 [INFO] [stderr] Checking la-arena v0.2.0 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking text-size v1.1.0 [INFO] [stderr] Compiling paste v1.0.5 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking dtoa v0.4.7 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking similar v1.3.0 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling xshell-macros v0.1.9 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking xshell v0.1.9 [INFO] [stderr] Checking terminal_size v0.1.16 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking console v0.14.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking directories-next v2.0.0 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking globset v0.4.6 [INFO] [stderr] Checking rustyline v7.1.0 [INFO] [stderr] Checking synstructure v0.12.4 [INFO] [stderr] Checking monkey-macros v0.1.0 (/opt/rustwide/workdir/crates/monkey-macros) [INFO] [stdout] warning: unused imports: `Ident` and `Span` [INFO] [stdout] --> crates/monkey-macros/src/lib.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | use proc_macro2::{Ident, Span, TokenStream}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stdout] warning: unused imports: `Ident` and `Span` [INFO] [stdout] --> crates/monkey-macros/src/lib.rs:3:19 [INFO] [stdout] | [INFO] [stdout] 3 | use proc_macro2::{Ident, Span, TokenStream}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking monkey-util v0.1.0 (/opt/rustwide/workdir/crates/monkey-util) [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking monkey-lang v0.1.0 (/opt/rustwide/workdir/crates/monkey-lang) [INFO] [stdout] warning: unused import: `ParseError` [INFO] [stdout] --> crates/monkey-lang/src/ast/lit_num.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{Parse, ParseError, ParseResult, Parser, Peek, Peeker}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ParseResult` and `Parse` [INFO] [stdout] --> crates/monkey-lang/src/ast/mod.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | use crate::{Parse, ParseError, ParseResult}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EvalResult`, `Eval`, `Value`, and `ast` [INFO] [stdout] --> crates/monkey-lang/src/evaluating/eval/file.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | pub use crate::{ast, Eval, EvalResult, Value}; [INFO] [stdout] | ^^^ ^^^^ ^^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `EvalErrorKind` [INFO] [stdout] --> crates/monkey-lang/src/evaluating/mod.rs:7:33 [INFO] [stdout] | [INFO] [stdout] 7 | pub use eval_error::{EvalError, EvalErrorKind, EvalResult}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TextSize` [INFO] [stdout] --> crates/monkey-lang/src/parsing/lexer.rs:6:28 [INFO] [stdout] | [INFO] [stdout] 6 | use text_size::{TextRange, TextSize}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> crates/monkey-lang/src/parsing/lexer.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::fmt` [INFO] [stdout] --> crates/monkey-lang/src/parsing/parser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use core::fmt; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `la_arena::Arena` [INFO] [stdout] --> crates/monkey-lang/src/parsing/parser.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use la_arena::Arena; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ShrinkToFit` [INFO] [stdout] --> crates/monkey-lang/src/parsing/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::ShrinkToFit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stdout] warning: unused variable: `token` [INFO] [stdout] --> crates/monkey-lang/src/ast/lit_num.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let token = &num.token; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_token` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `actual` is never read [INFO] [stdout] --> crates/monkey-lang/src/parsing/parse_error.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | ExpectedEof { actual: &'static str }, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `span` is never read [INFO] [stdout] --> crates/monkey-lang/src/parsing/parse_error.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | span: Span, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `kind` is never read [INFO] [stdout] --> crates/monkey-lang/src/parsing/parse_error.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | kind: ParseErrorKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `errors` and `node` are never read [INFO] [stdout] --> crates/monkey-lang/src/ast/mod.rs:89:5 [INFO] [stdout] | [INFO] [stdout] 87 | pub struct Ast

{ [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 88 | arena: Arena, [INFO] [stdout] 89 | errors: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 90 | node: P, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ParamList` is never constructed [INFO] [stdout] --> crates/monkey-lang/src/ast/lit_fn.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 38 | pub struct ParamList [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `EvalErrorKind` is never used [INFO] [stdout] --> crates/monkey-lang/src/evaluating/eval_error.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | pub enum EvalErrorKind {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `input` is never read [INFO] [stdout] --> crates/monkey-lang/src/parsing/lexer.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct Source<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | input: &'a str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Source` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `accept`, `peek_n`, and `text` are never used [INFO] [stdout] --> crates/monkey-lang/src/parsing/lexer.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 24 | impl<'a> Source<'a> { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 41 | fn accept(&mut self, c: char) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | fn peek_n(&self, n: usize) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | fn text(&mut self) -> SmolStr { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `keyword` is never used [INFO] [stdout] --> crates/monkey-lang/src/parsing/lexer.rs:280:4 [INFO] [stdout] | [INFO] [stdout] 280 | fn keyword(text: &str) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `errors` is never read [INFO] [stdout] --> crates/monkey-lang/src/parsing/parser.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 65 | pub struct Parser<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 66 | peeker: Peeker<'a>, [INFO] [stdout] 67 | errors: Vec, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> crates/monkey-lang/src/parsing/lexer.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | (self.input_len - self.chars_len()).try_into().unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `monkey-lang` (lib) due to 1 previous error; 20 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7d54f6fa6f9d5f1e818ae3ea7c8c0c86001d7bccdde9e48ca796a36ce2a67505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d54f6fa6f9d5f1e818ae3ea7c8c0c86001d7bccdde9e48ca796a36ce2a67505", kill_on_drop: false }` [INFO] [stdout] 7d54f6fa6f9d5f1e818ae3ea7c8c0c86001d7bccdde9e48ca796a36ce2a67505