[INFO] cloning repository https://github.com/prithivirajmurugan/custom-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prithivirajmurugan/custom-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprithivirajmurugan%2Fcustom-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprithivirajmurugan%2Fcustom-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a71ecb668ff7328d328d2a3740ee833285037a1c [INFO] building prithivirajmurugan/custom-lang 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%2Fprithivirajmurugan%2Fcustom-lang" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/prithivirajmurugan/custom-lang 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/prithivirajmurugan/custom-lang [INFO] finished tweaking git repo https://github.com/prithivirajmurugan/custom-lang [INFO] tweaked toml for git repo https://github.com/prithivirajmurugan/custom-lang written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/prithivirajmurugan/custom-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0035cecc46a6fa3f60174891ffef18eccb292c9ac40684106914154f0ff1d52a [INFO] running `Command { std: "docker" "start" "-a" "0035cecc46a6fa3f60174891ffef18eccb292c9ac40684106914154f0ff1d52a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0035cecc46a6fa3f60174891ffef18eccb292c9ac40684106914154f0ff1d52a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0035cecc46a6fa3f60174891ffef18eccb292c9ac40684106914154f0ff1d52a", kill_on_drop: false }` [INFO] [stdout] 0035cecc46a6fa3f60174891ffef18eccb292c9ac40684106914154f0ff1d52a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e3708871fc8d761fdfef7d1d906cf71f3a107f9b6e17490db9550dafe9ebbe29 [INFO] running `Command { std: "docker" "start" "-a" "e3708871fc8d761fdfef7d1d906cf71f3a107f9b6e17490db9550dafe9ebbe29", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling termion v4.0.2 [INFO] [stderr] Compiling custom-lang-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/diagnostics/printer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/ast/evaluator.rs:42:31 [INFO] [stdout] | [INFO] [stdout] 42 | fn visit_error(&mut self, span: &TextSpan) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `kind` is never read [INFO] [stdout] --> src/ast/lexer.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | let mut kind = TokenKind::Bad; [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: unused variable: `number` [INFO] [stdout] --> src/main.rs:50:43 [INFO] [stdout] | [INFO] [stdout] 50 | fn visit_number_expression(&mut self, number: &ASTNumberExpression) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/main.rs:51:31 [INFO] [stdout] | [INFO] [stdout] 51 | fn visit_error(&mut self, span: &TextSpan) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `indent` is never read [INFO] [stdout] --> src/ast/mod.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 91 | pub struct ASTPrinter { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 92 | indent: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `LEVEL_INDENT` is never used [INFO] [stdout] --> src/ast/mod.rs:96:7 [INFO] [stdout] | [INFO] [stdout] 96 | const LEVEL_INDENT: usize = 2; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `add_newline` and `new` are never used [INFO] [stdout] --> src/ast/mod.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 157 | impl ASTPrinter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 167 | fn add_newline(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 173 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `identifier` is never used [INFO] [stdout] --> src/ast/mod.rs:264:12 [INFO] [stdout] | [INFO] [stdout] 263 | impl ASTVariableExpression { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] 264 | pub fn identifier(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Warning` is never constructed [INFO] [stdout] --> src/diagnostics/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum DiagnosticKind { [INFO] [stdout] | -------------- variant in this enum [INFO] [stdout] 8 | Error, [INFO] [stdout] 9 | Warning, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/diagnostics/mod.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Diagnostic { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub kind: DiagnosticKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `report_warning` is never used [INFO] [stdout] --> src/diagnostics/mod.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl DiagnosticsBag { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn report_warning(&mut self, message: String, span: TextSpan) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.57s [INFO] running `Command { std: "docker" "inspect" "e3708871fc8d761fdfef7d1d906cf71f3a107f9b6e17490db9550dafe9ebbe29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3708871fc8d761fdfef7d1d906cf71f3a107f9b6e17490db9550dafe9ebbe29", kill_on_drop: false }` [INFO] [stdout] e3708871fc8d761fdfef7d1d906cf71f3a107f9b6e17490db9550dafe9ebbe29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6679f53df2a171f11bd8cf783bcd0010ba6bd7223c34466ac618371204ba9447 [INFO] running `Command { std: "docker" "start" "-a" "6679f53df2a171f11bd8cf783bcd0010ba6bd7223c34466ac618371204ba9447", kill_on_drop: false }` [INFO] [stderr] Compiling custom-lang-compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/diagnostics/printer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/ast/evaluator.rs:42:31 [INFO] [stdout] | [INFO] [stdout] 42 | fn visit_error(&mut self, span: &TextSpan) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `kind` is never read [INFO] [stdout] --> src/ast/lexer.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | let mut kind = TokenKind::Bad; [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: unused variable: `number` [INFO] [stdout] --> src/main.rs:50:43 [INFO] [stdout] | [INFO] [stdout] 50 | fn visit_number_expression(&mut self, number: &ASTNumberExpression) {} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/main.rs:51:31 [INFO] [stdout] | [INFO] [stdout] 51 | fn visit_error(&mut self, span: &TextSpan) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `indent` is never read [INFO] [stdout] --> src/ast/mod.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 91 | pub struct ASTPrinter { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 92 | indent: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `LEVEL_INDENT` is never used [INFO] [stdout] --> src/ast/mod.rs:96:7 [INFO] [stdout] | [INFO] [stdout] 96 | const LEVEL_INDENT: usize = 2; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `add_newline` and `new` are never used [INFO] [stdout] --> src/ast/mod.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 157 | impl ASTPrinter { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 167 | fn add_newline(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 173 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `identifier` is never used [INFO] [stdout] --> src/ast/mod.rs:264:12 [INFO] [stdout] | [INFO] [stdout] 263 | impl ASTVariableExpression { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] 264 | pub fn identifier(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Warning` is never constructed [INFO] [stdout] --> src/diagnostics/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum DiagnosticKind { [INFO] [stdout] | -------------- variant in this enum [INFO] [stdout] 8 | Error, [INFO] [stdout] 9 | Warning, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/diagnostics/mod.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Diagnostic { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | pub kind: DiagnosticKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `report_warning` is never used [INFO] [stdout] --> src/diagnostics/mod.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 34 | impl DiagnosticsBag { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 46 | pub fn report_warning(&mut self, message: String, span: TextSpan) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "6679f53df2a171f11bd8cf783bcd0010ba6bd7223c34466ac618371204ba9447", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6679f53df2a171f11bd8cf783bcd0010ba6bd7223c34466ac618371204ba9447", kill_on_drop: false }` [INFO] [stdout] 6679f53df2a171f11bd8cf783bcd0010ba6bd7223c34466ac618371204ba9447