[INFO] cloning repository https://github.com/sharonjeyakumar/why-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sharonjeyakumar/why-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharonjeyakumar%2Fwhy-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharonjeyakumar%2Fwhy-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1d84fb8eab1728aed95932cb74de4cca5fa0d027 [INFO] checking sharonjeyakumar/why-lang against master#ba412a6e70ac84641be7764d088acabd0eb3fa39 for pr-145457 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharonjeyakumar%2Fwhy-lang" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sharonjeyakumar/why-lang [INFO] finished tweaking git repo https://github.com/sharonjeyakumar/why-lang [INFO] tweaked toml for git repo https://github.com/sharonjeyakumar/why-lang written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sharonjeyakumar/why-lang on toolchain ba412a6e70ac84641be7764d088acabd0eb3fa39 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sharonjeyakumar/why-lang 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" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40eee70eabf2238d51aeb01ce827725607aff594027484fa5afb6b010ff5b6de [INFO] running `Command { std: "docker" "start" "-a" "40eee70eabf2238d51aeb01ce827725607aff594027484fa5afb6b010ff5b6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40eee70eabf2238d51aeb01ce827725607aff594027484fa5afb6b010ff5b6de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40eee70eabf2238d51aeb01ce827725607aff594027484fa5afb6b010ff5b6de", kill_on_drop: false }` [INFO] [stdout] 40eee70eabf2238d51aeb01ce827725607aff594027484fa5afb6b010ff5b6de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8bb928a81ca0dc5c01418ed93583c1a81897f99efe026f63519fffd5a98dd80 [INFO] running `Command { std: "docker" "start" "-a" "f8bb928a81ca0dc5c01418ed93583c1a81897f99efe026f63519fffd5a98dd80", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Checking colorchoice v1.0.4 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking anstyle-query v1.1.3 [INFO] [stderr] Checking anstyle v1.0.11 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking clap_lex v0.7.5 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking anstyle-parse v0.2.7 [INFO] [stderr] Checking anstream v0.6.19 [INFO] [stderr] Checking clap_builder v4.5.42 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling clap_derive v4.5.41 [INFO] [stderr] Checking clap v4.5.42 [INFO] [stderr] Checking why v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Subcommand` [INFO] [stdout] --> src/cli.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{Parser, Subcommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Subcommand` [INFO] [stdout] --> src/cli.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use clap::{Parser, Subcommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `end_idx` is never read [INFO] [stdout] --> src/tokenizer.rs:20:21 [INFO] [stdout] | [INFO] [stdout] 20 | let mut end_idx = start_idx + 1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 33 | Token::StringLiteral(s) => s.clone(), [INFO] [stdout] | ----------------------- matches all the relevant values [INFO] [stdout] 34 | Token::StringLiteral(name) => name.clone(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `end_idx` is never read [INFO] [stdout] --> src/tokenizer.rs:20:21 [INFO] [stdout] | [INFO] [stdout] 20 | let mut end_idx = start_idx + 1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/tokenizer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | Number(i32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 - Number(i32), [INFO] [stdout] 4 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/tokenizer.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | Symbol(char), [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 - Symbol(char), [INFO] [stdout] 7 + Symbol(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `VarDeclaration` is never constructed [INFO] [stdout] --> src/parser.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum ASTNode { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 5 | ExplainType { typename: String }, [INFO] [stdout] 6 | VarDeclaration { name: String, value: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ASTNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/parser.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 33 | Token::StringLiteral(s) => s.clone(), [INFO] [stdout] | ----------------------- matches all the relevant values [INFO] [stdout] 34 | Token::StringLiteral(name) => name.clone(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/tokenizer.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | Number(i32), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 4 - Number(i32), [INFO] [stdout] 4 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/tokenizer.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | Symbol(char), [INFO] [stdout] | ------ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 - Symbol(char), [INFO] [stdout] 7 + Symbol(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `VarDeclaration` is never constructed [INFO] [stdout] --> src/parser.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum ASTNode { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 5 | ExplainType { typename: String }, [INFO] [stdout] 6 | VarDeclaration { name: String, value: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ASTNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.32s [INFO] running `Command { std: "docker" "inspect" "f8bb928a81ca0dc5c01418ed93583c1a81897f99efe026f63519fffd5a98dd80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8bb928a81ca0dc5c01418ed93583c1a81897f99efe026f63519fffd5a98dd80", kill_on_drop: false }` [INFO] [stdout] f8bb928a81ca0dc5c01418ed93583c1a81897f99efe026f63519fffd5a98dd80