[INFO] cloning repository https://github.com/darthsteedious/better_json_generator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darthsteedious/better_json_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarthsteedious%2Fbetter_json_generator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarthsteedious%2Fbetter_json_generator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3d8e7ee1e909d5b77e3db06d7839426ad62f2706 [INFO] building darthsteedious/better_json_generator against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarthsteedious%2Fbetter_json_generator" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/darthsteedious/better_json_generator on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/darthsteedious/better_json_generator [INFO] finished tweaking git repo https://github.com/darthsteedious/better_json_generator [INFO] tweaked toml for git repo https://github.com/darthsteedious/better_json_generator written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/darthsteedious/better_json_generator 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84f5ca8bfdc1bd2ec4d20d3c37f6d95fc025426dca099337bb38e0efd59965e6 [INFO] running `Command { std: "docker" "start" "-a" "84f5ca8bfdc1bd2ec4d20d3c37f6d95fc025426dca099337bb38e0efd59965e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84f5ca8bfdc1bd2ec4d20d3c37f6d95fc025426dca099337bb38e0efd59965e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84f5ca8bfdc1bd2ec4d20d3c37f6d95fc025426dca099337bb38e0efd59965e6", kill_on_drop: false }` [INFO] [stdout] 84f5ca8bfdc1bd2ec4d20d3c37f6d95fc025426dca099337bb38e0efd59965e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] afd9f1f44a225fd9759319fbd57f38bba2a53237ae6dc902d08b3320a361160c [INFO] running `Command { std: "docker" "start" "-a" "afd9f1f44a225fd9759319fbd57f38bba2a53237ae6dc902d08b3320a361160c", kill_on_drop: false }` [INFO] [stderr] Compiling better_json_generator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0425]: cannot find value `Rando` in this scope [INFO] [stdout] --> src/tags/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | Rando [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JsonValue` and `name::NameExpression` [INFO] [stdout] --> src/ast/property_assignment.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{Expression, JsonValue, name::NameExpression, visitor::ExpressionVisitor}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/parsing/errors.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Expression` [INFO] [stdout] --> src/parsing/object_expr.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Expression, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `parse` [INFO] [stdout] --> src/parsing/object_expr.rs:11:35 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::parsing::{ParseResult, parse}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `*` [INFO] [stdout] --> src/parsing/mod.rs:5:30 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::ast::{Expression, *}; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FromIterator` and `Iterator` [INFO] [stdout] --> src/parsing/mod.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::iter::{Iterator, FromIterator}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::slice::IterMut` [INFO] [stdout] --> src/parsing/mod.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::slice::IterMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::json_object::JsonObjectExpression` [INFO] [stdout] --> src/parsing/mod.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::ast::json_object::JsonObjectExpression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::property_assignment::PropertyAssignmentExpression` [INFO] [stdout] --> src/parsing/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::ast::property_assignment::PropertyAssignmentExpression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::whitespace::WhitespaceExpression` [INFO] [stdout] --> src/parsing/mod.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::ast::whitespace::WhitespaceExpression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::comma::CommaExpression` [INFO] [stdout] --> src/parsing/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::ast::comma::CommaExpression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::json_array::JsonArrayExpression` [INFO] [stdout] --> src/parsing/mod.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use crate::ast::json_array::JsonArrayExpression; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/tokens/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::tokens::Token::Whitespace` [INFO] [stdout] --> src/tokens/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::tokens::Token::Whitespace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/parsing/array_expr.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn parse_array_expr(ctx: &mut ParseContext) -> impl Expression { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Expression` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Expression, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `visitor` [INFO] [stdout] --> src/ast/json_array.rs:13:26 [INFO] [stdout] | [INFO] [stdout] 13 | fn accept(&mut self, visitor: &mut dyn ExpressionVisitor) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_visitor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/ast/visitor.rs:35:31 [INFO] [stdout] | [INFO] [stdout] 35 | fn visit_array(&mut self, expr: &mut JsonArrayExpression) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/parsing/object_expr.rs:81:35 [INFO] [stdout] | [INFO] [stdout] 81 | Token::Whitespace(c) => continue, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ctx` [INFO] [stdout] --> src/parsing/object_expr.rs:149:19 [INFO] [stdout] | [INFO] [stdout] 149 | pub fn parse_bool(ctx: &mut ParseContext) -> ParseResult { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ctx` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut tokens = process_str("{\"foo\": \"bar\", \"baz\": -123, \"bing\": 5}"); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut result = parse(tokens); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `better_json_generator` (bin "better_json_generator") due to 1 previous error; 23 warnings emitted [INFO] running `Command { std: "docker" "inspect" "afd9f1f44a225fd9759319fbd57f38bba2a53237ae6dc902d08b3320a361160c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afd9f1f44a225fd9759319fbd57f38bba2a53237ae6dc902d08b3320a361160c", kill_on_drop: false }` [INFO] [stdout] afd9f1f44a225fd9759319fbd57f38bba2a53237ae6dc902d08b3320a361160c