[INFO] cloning repository https://github.com/AleksanderEvensen/Rustython
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AleksanderEvensen/Rustython" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleksanderEvensen%2FRustython", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleksanderEvensen%2FRustython'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e81bb9ac25369a28cc51e7132572014caef2fd8
[INFO] checking AleksanderEvensen/Rustython/1e81bb9ac25369a28cc51e7132572014caef2fd8 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAleksanderEvensen%2FRustython" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AleksanderEvensen/Rustython on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AleksanderEvensen/Rustython
[INFO] finished tweaking git repo https://github.com/AleksanderEvensen/Rustython
[INFO] tweaked toml for git repo https://github.com/AleksanderEvensen/Rustython written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AleksanderEvensen/Rustython 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03bab6fc1a2cff68af33f310b3519923113f94007952b1112d1bc7f51da24a8b
[INFO] running `Command { std: "docker" "start" "-a" "03bab6fc1a2cff68af33f310b3519923113f94007952b1112d1bc7f51da24a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03bab6fc1a2cff68af33f310b3519923113f94007952b1112d1bc7f51da24a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bab6fc1a2cff68af33f310b3519923113f94007952b1112d1bc7f51da24a8b", kill_on_drop: false }`
[INFO] [stdout] 03bab6fc1a2cff68af33f310b3519923113f94007952b1112d1bc7f51da24a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d92f0182b6cf2a33c4248d327fda238932ef8b6b581bd9827466bae2dc4f69a8
[INFO] running `Command { std: "docker" "start" "-a" "d92f0182b6cf2a33c4248d327fda238932ef8b6b581bd9827466bae2dc4f69a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling tree-sitter v0.20.9
[INFO] [stderr]    Compiling tree-sitter-python v0.20.2
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking rustython v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `PyCompiler` is never constructed
[INFO] [stdout]  --> src/compiler.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PyCompiler {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename` and `module_entry` are never read
[INFO] [stdout]  --> src/symboltree.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct SymbolTree {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 8 |     pub filename: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 9 |     pub module_entry: SymbolTreeEntry,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SymbolTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol_name`, `symbol_type`, and `nested` are never read
[INFO] [stdout]   --> src/symboltree.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct SymbolTreeEntry {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 22 |     pub symbol_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 23 |     pub symbol_type: SymbolTreeType,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub nested: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SymbolTreeEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PyCompiler` is never constructed
[INFO] [stdout]  --> src/compiler.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct PyCompiler {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `filename` and `module_entry` are never read
[INFO] [stdout]  --> src/symboltree.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct SymbolTree {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 8 |     pub filename: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 9 |     pub module_entry: SymbolTreeEntry,
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `SymbolTree` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol_name`, `symbol_type`, and `nested` are never read
[INFO] [stdout]   --> src/symboltree.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct SymbolTreeEntry {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 22 |     pub symbol_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 23 |     pub symbol_type: SymbolTreeType,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 24 |     pub nested: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SymbolTreeEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "d92f0182b6cf2a33c4248d327fda238932ef8b6b581bd9827466bae2dc4f69a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92f0182b6cf2a33c4248d327fda238932ef8b6b581bd9827466bae2dc4f69a8", kill_on_drop: false }`
[INFO] [stdout] d92f0182b6cf2a33c4248d327fda238932ef8b6b581bd9827466bae2dc4f69a8