[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] testing deepsarkar2003/cpp-compiler-in-rust against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeepsarkar2003%2Fcpp-compiler-in-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/deepsarkar2003/cpp-compiler-in-rust on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chunked_transfer v1.5.0
[INFO] [stderr]   Downloaded tiny_http v0.11.0
[INFO] [stderr]   Downloaded ascii v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 822829c827f9bb680cb64d6a01f5f51b70ac6c44120a14beafe883536198786a
[INFO] running `Command { std: "docker" "start" "-a" "822829c827f9bb680cb64d6a01f5f51b70ac6c44120a14beafe883536198786a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "822829c827f9bb680cb64d6a01f5f51b70ac6c44120a14beafe883536198786a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822829c827f9bb680cb64d6a01f5f51b70ac6c44120a14beafe883536198786a", kill_on_drop: false }`
[INFO] [stdout] 822829c827f9bb680cb64d6a01f5f51b70ac6c44120a14beafe883536198786a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4321f685f83b76f89ae5423d20bc83f58fcf7b4d1f2d581e924002d48c75f71
[INFO] running `Command { std: "docker" "start" "-a" "f4321f685f83b76f89ae5423d20bc83f58fcf7b4d1f2d581e924002d48c75f71", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling chunked_transfer v1.5.0
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling time v0.3.36
[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<u8> {
[INFO] [stdout]   |                     ^^ help: if this is intentional, prefix it with an underscore: `_ir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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(String),
[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(String),
[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 6.57s
[INFO] running `Command { std: "docker" "inspect" "f4321f685f83b76f89ae5423d20bc83f58fcf7b4d1f2d581e924002d48c75f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4321f685f83b76f89ae5423d20bc83f58fcf7b4d1f2d581e924002d48c75f71", kill_on_drop: false }`
[INFO] [stdout] f4321f685f83b76f89ae5423d20bc83f58fcf7b4d1f2d581e924002d48c75f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906d7323bf324b6bbacac79b40553f129092d1c35f203f57eaa552f8dac92ff8
[INFO] running `Command { std: "docker" "start" "-a" "906d7323bf324b6bbacac79b40553f129092d1c35f203f57eaa552f8dac92ff8", 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<u8> {
[INFO] [stdout]   |                     ^^ help: if this is intentional, prefix it with an underscore: `_ir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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(String),
[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(String),
[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 0.31s
[INFO] running `Command { std: "docker" "inspect" "906d7323bf324b6bbacac79b40553f129092d1c35f203f57eaa552f8dac92ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906d7323bf324b6bbacac79b40553f129092d1c35f203f57eaa552f8dac92ff8", kill_on_drop: false }`
[INFO] [stdout] 906d7323bf324b6bbacac79b40553f129092d1c35f203f57eaa552f8dac92ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b931aad08354c2bd04c933654a1e6bd536bb2e90d5f02c0cb0c71fd873d7fce
[INFO] running `Command { std: "docker" "start" "-a" "5b931aad08354c2bd04c933654a1e6bd536bb2e90d5f02c0cb0c71fd873d7fce", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ir`
[INFO] [stderr]  --> src/codegen.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn generate(ir: &IR) -> Vec<u8> {
[INFO] [stderr]   |                     ^^ help: if this is intentional, prefix it with an underscore: `_ir`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ast`
[INFO] [stderr]  --> src/ir.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn generate(ast: &AST) -> IR {
[INFO] [stderr]   |                     ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/semantic.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 10 |                 ASTNode::Expression => {
[INFO] [stderr]    |                 ------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 14 |                 _ => return Err("Semantic error".to_string()),
[INFO] [stderr]    |                 ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lexer.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |     Identifier(String),
[INFO] [stderr]    |     ---------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 82 -     Identifier(String),
[INFO] [stderr] 82 +     Identifier(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lexer.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     Number(String),
[INFO] [stderr]    |     ------ ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 83 -     Number(String),
[INFO] [stderr] 83 +     Number(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: function `start_server` is never used
[INFO] [stderr]  --> src/server.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn start_server(port: u16, root_dir: &str) {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cpp_compiler` (bin "cpp_compiler" test) generated 6 warnings (run `cargo fix --bin "cpp_compiler" -p cpp_compiler --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cpp_compiler-09bec94f4516aec2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5b931aad08354c2bd04c933654a1e6bd536bb2e90d5f02c0cb0c71fd873d7fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b931aad08354c2bd04c933654a1e6bd536bb2e90d5f02c0cb0c71fd873d7fce", kill_on_drop: false }`
[INFO] [stdout] 5b931aad08354c2bd04c933654a1e6bd536bb2e90d5f02c0cb0c71fd873d7fce
