[INFO] cloning repository https://github.com/tremj/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tremj/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremj%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremj%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de55c9e467a7ed5659ab6e52b8f01c0ff3d7dd9d
[INFO] checking tremj/compiler against try#bac5816c5f3d02cebd0599070af62d1782530294 for pr-150408
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftremj%2Fcompiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tremj/compiler
[INFO] finished tweaking git repo https://github.com/tremj/compiler
[INFO] tweaked toml for git repo https://github.com/tremj/compiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tremj/compiler on toolchain bac5816c5f3d02cebd0599070af62d1782530294
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tremj/compiler 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" "+bac5816c5f3d02cebd0599070af62d1782530294" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d31d827cc04740fb33406e11c0742f7716141605c23f4d6cd8548793a73e580
[INFO] running `Command { std: "docker" "start" "-a" "1d31d827cc04740fb33406e11c0742f7716141605c23f4d6cd8548793a73e580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d31d827cc04740fb33406e11c0742f7716141605c23f4d6cd8548793a73e580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d31d827cc04740fb33406e11c0742f7716141605c23f4d6cd8548793a73e580", kill_on_drop: false }`
[INFO] [stdout] 1d31d827cc04740fb33406e11c0742f7716141605c23f4d6cd8548793a73e580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+bac5816c5f3d02cebd0599070af62d1782530294" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c4c80ea85ea317e0d4e6ec036cf144e0843b793a4f30c6e3bb0ce07542ed13
[INFO] running `Command { std: "docker" "start" "-a" "06c4c80ea85ea317e0d4e6ec036cf144e0843b793a4f30c6e3bb0ce07542ed13", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]  --> src/generator/generator.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generator(ast: &AST) {}
[INFO] [stdout]   |                  ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_type` is never read
[INFO] [stdout]   --> src/parser/ast.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ASTNode {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 20 |     children: Vec<ASTNode>,
[INFO] [stdout] 21 |     node_type: SyntaxNodeType,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ast`
[INFO] [stdout]  --> src/generator/generator.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generator(ast: &AST) {}
[INFO] [stdout]   |                  ^^^ help: if this is intentional, prefix it with an underscore: `_ast`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node_type` is never read
[INFO] [stdout]   --> src/parser/ast.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ASTNode {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 20 |     children: Vec<ASTNode>,
[INFO] [stdout] 21 |     node_type: SyntaxNodeType,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "06c4c80ea85ea317e0d4e6ec036cf144e0843b793a4f30c6e3bb0ce07542ed13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c4c80ea85ea317e0d4e6ec036cf144e0843b793a4f30c6e3bb0ce07542ed13", kill_on_drop: false }`
[INFO] [stdout] 06c4c80ea85ea317e0d4e6ec036cf144e0843b793a4f30c6e3bb0ce07542ed13
