[INFO] cloning repository https://github.com/voidedlegacy/CL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voidedlegacy/CL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidedlegacy%2FCL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidedlegacy%2FCL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b8b2c223981d67e36e632a70083263091cf54d1
[INFO] checking voidedlegacy/CL against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidedlegacy%2FCL" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/voidedlegacy/CL
[INFO] finished tweaking git repo https://github.com/voidedlegacy/CL
[INFO] tweaked toml for git repo https://github.com/voidedlegacy/CL written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/voidedlegacy/CL on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/voidedlegacy/CL 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" "+4e55a504843955c97eb06907c71f6f3e99208021" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7785c1f18be4b44642a2aad25de4d60872c83f1c6ef3592752ed04abe60acd9
[INFO] running `Command { std: "docker" "start" "-a" "a7785c1f18be4b44642a2aad25de4d60872c83f1c6ef3592752ed04abe60acd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7785c1f18be4b44642a2aad25de4d60872c83f1c6ef3592752ed04abe60acd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7785c1f18be4b44642a2aad25de4d60872c83f1c6ef3592752ed04abe60acd9", kill_on_drop: false }`
[INFO] [stdout] a7785c1f18be4b44642a2aad25de4d60872c83f1c6ef3592752ed04abe60acd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dcb6b3ef90128eeeabd6e65114ca7422deaa2ce3b2ef20dc5c12e0e01ebaf18
[INFO] running `Command { std: "docker" "start" "-a" "6dcb6b3ef90128eeeabd6e65114ca7422deaa2ce3b2ef20dc5c12e0e01ebaf18", kill_on_drop: false }`
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]  --> src/environment.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Environment {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 7 |     pub parent: Option<Box<Environment>>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Environment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorType` is never used
[INFO] [stdout]  --> src/error.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum ErrorType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]   --> src/error.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Error {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]  --> src/environment.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Environment {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 7 |     pub parent: Option<Box<Environment>>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Environment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(error_type: ErrorType, msg: Option<String>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorType` is never used
[INFO] [stdout]  --> src/error.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum ErrorType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_error` is never used
[INFO] [stdout]   --> src/error.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn print_error(err: &Error) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Error` is never constructed
[INFO] [stdout]   --> src/error.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Error {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/error.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_size` is never used
[INFO] [stdout]  --> src/file_io.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn file_size(file: &mut File) -> io::Result<u64> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_contents` is never used
[INFO] [stdout]   --> src/file_io.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn file_contents(path: &str) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/error.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 19 |     fn new(error_type: ErrorType, msg: Option<String>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/file_io.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_error` is never used
[INFO] [stdout]   --> src/error.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn print_error(err: &Error) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/error.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]  --> src/parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ParsingContext {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     pub types: Environment,
[INFO] [stdout] 8 |     pub variables: Environment,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParsingContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_size` is never used
[INFO] [stdout]  --> src/file_io.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn file_size(file: &mut File) -> io::Result<u64> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Program` is never constructed
[INFO] [stdout]   --> src/node.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum NodeType {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Program,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeType` 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: function `file_contents` is never used
[INFO] [stdout]   --> src/file_io.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn file_contents(path: &str) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/file_io.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compare` is never used
[INFO] [stdout]   --> src/node.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn compare(a: &Node, b: &Node) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]  --> src/parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct ParsingContext {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     pub types: Environment,
[INFO] [stdout] 8 |     pub variables: Environment,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParsingContext` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Program` is never constructed
[INFO] [stdout]   --> src/node.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum NodeType {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Program,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NodeType` 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: associated function `compare` is never used
[INFO] [stdout]   --> src/node.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn compare(a: &Node, b: &Node) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "6dcb6b3ef90128eeeabd6e65114ca7422deaa2ce3b2ef20dc5c12e0e01ebaf18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcb6b3ef90128eeeabd6e65114ca7422deaa2ce3b2ef20dc5c12e0e01ebaf18", kill_on_drop: false }`
[INFO] [stdout] 6dcb6b3ef90128eeeabd6e65114ca7422deaa2ce3b2ef20dc5c12e0e01ebaf18
