[INFO] cloning repository https://github.com/deepsarkar2003/cpp-compiler-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deepsarkar2003/cpp-compiler-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeepsarkar2003%2Fcpp-compiler-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeepsarkar2003%2Fcpp-compiler-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 49c8b3fa297317fead5bdb54e38fa74092caab01 [INFO] building deepsarkar2003/cpp-compiler-in-rust 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%2Fdeepsarkar2003%2Fcpp-compiler-in-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/deepsarkar2003/cpp-compiler-in-rust 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/deepsarkar2003/cpp-compiler-in-rust [INFO] finished tweaking git repo https://github.com/deepsarkar2003/cpp-compiler-in-rust [INFO] tweaked toml for git repo https://github.com/deepsarkar2003/cpp-compiler-in-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/deepsarkar2003/cpp-compiler-in-rust 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] Downloading crates ... [INFO] [stderr] Downloaded chunked_transfer v1.5.0 [INFO] [stderr] Downloaded tiny_http v0.11.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e9c465c98c6eb6cc762345645c2099b4c14f866074c6ef28d7d9639870562e46 [INFO] running `Command { std: "docker" "start" "-a" "e9c465c98c6eb6cc762345645c2099b4c14f866074c6ef28d7d9639870562e46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e9c465c98c6eb6cc762345645c2099b4c14f866074c6ef28d7d9639870562e46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9c465c98c6eb6cc762345645c2099b4c14f866074c6ef28d7d9639870562e46", kill_on_drop: false }` [INFO] [stdout] e9c465c98c6eb6cc762345645c2099b4c14f866074c6ef28d7d9639870562e46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 48920519ea013fc6e58e61a7c1cddb4abd6fbe9603b38c8ac025e998a35b1bb3 [INFO] running `Command { std: "docker" "start" "-a" "48920519ea013fc6e58e61a7c1cddb4abd6fbe9603b38c8ac025e998a35b1bb3", kill_on_drop: false }` [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling unicode-bidi v0.3.15 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Compiling powerfmt v0.2.0 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling log v0.4.22 [INFO] [stderr] Compiling ascii v1.1.0 [INFO] [stderr] Compiling chunked_transfer v1.5.0 [INFO] [stderr] Compiling tinyvec v1.8.0 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling deranged v0.3.11 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Compiling unicode-normalization v0.1.23 [INFO] [stderr] Compiling time v0.3.36 [INFO] [stderr] Compiling idna v0.5.0 [INFO] [stderr] Compiling url v2.5.2 [INFO] [stderr] Compiling tiny_http v0.11.0 [INFO] [stderr] Compiling cpp_compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ir` [INFO] [stdout] --> src/codegen.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn generate(ir: &IR) -> Vec { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ir` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ast` [INFO] [stdout] --> src/ir.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn generate(ast: &AST) -> IR { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ast` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/semantic.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 10 | ASTNode::Expression => { [INFO] [stdout] | ------------------- matches all the relevant values [INFO] [stdout] ... [INFO] [stdout] 14 | _ => return Err("Semantic error".to_string()), [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/lexer.rs:82:16 [INFO] [stdout] | [INFO] [stdout] 82 | Identifier(String), [INFO] [stdout] | ---------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 82 | Identifier(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lexer.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 83 | Number(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 83 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `start_server` is never used [INFO] [stdout] --> src/server.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn start_server(port: u16, root_dir: &str) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s [INFO] running `Command { std: "docker" "inspect" "48920519ea013fc6e58e61a7c1cddb4abd6fbe9603b38c8ac025e998a35b1bb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48920519ea013fc6e58e61a7c1cddb4abd6fbe9603b38c8ac025e998a35b1bb3", kill_on_drop: false }` [INFO] [stdout] 48920519ea013fc6e58e61a7c1cddb4abd6fbe9603b38c8ac025e998a35b1bb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 678abcf1ddcd2effd9abddb54c2acb82ba47a870f1b4920bcd08ff9fc8a1915e [INFO] running `Command { std: "docker" "start" "-a" "678abcf1ddcd2effd9abddb54c2acb82ba47a870f1b4920bcd08ff9fc8a1915e", kill_on_drop: false }` [INFO] [stderr] Compiling cpp_compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ir` [INFO] [stdout] --> src/codegen.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn generate(ir: &IR) -> Vec { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ir` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ast` [INFO] [stdout] --> src/ir.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn generate(ast: &AST) -> IR { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ast` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/semantic.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 10 | ASTNode::Expression => { [INFO] [stdout] | ------------------- matches all the relevant values [INFO] [stdout] ... [INFO] [stdout] 14 | _ => return Err("Semantic error".to_string()), [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/lexer.rs:82:16 [INFO] [stdout] | [INFO] [stdout] 82 | Identifier(String), [INFO] [stdout] | ---------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 82 | Identifier(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lexer.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 83 | Number(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [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] 83 | Number(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `start_server` is never used [INFO] [stdout] --> src/server.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn start_server(port: u16, root_dir: &str) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "678abcf1ddcd2effd9abddb54c2acb82ba47a870f1b4920bcd08ff9fc8a1915e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "678abcf1ddcd2effd9abddb54c2acb82ba47a870f1b4920bcd08ff9fc8a1915e", kill_on_drop: false }` [INFO] [stdout] 678abcf1ddcd2effd9abddb54c2acb82ba47a870f1b4920bcd08ff9fc8a1915e