[INFO] cloning repository https://github.com/RustingRobot/lilac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustingRobot/lilac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustingRobot%2Flilac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustingRobot%2Flilac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a62b623f8084b07c8ddd223fa17456c7755b515
[INFO] checking RustingRobot/lilac against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustingRobot%2Flilac" "/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/RustingRobot/lilac
[INFO] finished tweaking git repo https://github.com/RustingRobot/lilac
[INFO] tweaked toml for git repo https://github.com/RustingRobot/lilac written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RustingRobot/lilac on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RustingRobot/lilac 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6f28cdc81b50a6c8baedc2603d25d9a34a526a76c1c85c2ed22d5f517385677
[INFO] running `Command { std: "docker" "start" "-a" "b6f28cdc81b50a6c8baedc2603d25d9a34a526a76c1c85c2ed22d5f517385677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f28cdc81b50a6c8baedc2603d25d9a34a526a76c1c85c2ed22d5f517385677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f28cdc81b50a6c8baedc2603d25d9a34a526a76c1c85c2ed22d5f517385677", kill_on_drop: false }`
[INFO] [stdout] b6f28cdc81b50a6c8baedc2603d25d9a34a526a76c1c85c2ed22d5f517385677
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8046d1a53beed3faf934f67942c0b7460013820d9e2d584f16c40d9bbe55389
[INFO] running `Command { std: "docker" "start" "-a" "f8046d1a53beed3faf934f67942c0b7460013820d9e2d584f16c40d9bbe55389", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking byteorder v1.5.0
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[INFO] [stderr]     Checking memchr v2.7.1
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[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking colorchoice v1.0.0
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[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking winnow v0.5.34
[INFO] [stderr]     Checking itoa v1.0.11
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[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.195
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[INFO] [stderr]     Checking lilac v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/compiler/parser.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, env, fs::{self}, path::Path};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Indent`, `LilacPath`, `Span`, `Token::*`, `self`, and `settings`
[INFO] [stdout]    --> src/compiler/mod.rs:106:36
[INFO] [stdout]     |
[INFO] [stdout] 106 |     use crate::{compiler::{lexer::{self, Indent, LilacPath, Token::*}, Span}, settings};
[INFO] [stdout]     |                                    ^^^^  ^^^^^^  ^^^^^^^^^  ^^^^^^^^   ^^^^   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env`
[INFO] [stdout]  --> src/compiler/parser.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, env, fs::{self}, path::Path};
[INFO] [stdout]   |                                 ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/exit.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     panic!("{}", message);
[INFO] [stdout]    |     --------------------- any code following this expression is unreachable
[INFO] [stdout] 23 |     process::exit(1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/exit.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     panic!("{}", message);
[INFO] [stdout]    |     --------------------- any code following this expression is unreachable
[INFO] [stdout] 23 |     process::exit(1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `contains` and `visualize_layer` are never used
[INFO] [stdout]   --> src/compiler/mod.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<'a> SubsectionNode<'a> {
[INFO] [stdout]    | --------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn contains(&self, path: &[&str]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn visualize_layer(&self, level: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Visualize` is never used
[INFO] [stdout]  --> src/compiler/visualize.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Visualize {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize_tokens` is never used
[INFO] [stdout]   --> src/compiler/visualize.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn visualize_tokens(tokens: &Vec<Token>, content: &str){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize_ast` is never used
[INFO] [stdout]   --> src/compiler/visualize.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn visualize_ast(tokens: &Vec<TokenNode>){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize_ast_layer` is never used
[INFO] [stdout]   --> src/compiler/visualize.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn visualize_ast_layer(tokens: &Vec<TokenNode>, level: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bold` is never used
[INFO] [stdout]   --> src/compiler/visualize.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn bold(txt: &str) -> String{
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `INIT` is never used
[INFO] [stdout]    --> src/compiler/mod.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |     static INIT: Once = Once::new();
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_env` is never used
[INFO] [stdout]    --> src/compiler/mod.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn init_env(){
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `settings`
[INFO] [stdout]    --> src/compiler/mod.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let settings = settings::request_settings();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_settings`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `contains` and `visualize_layer` are never used
[INFO] [stdout]   --> src/compiler/mod.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<'a> SubsectionNode<'a> {
[INFO] [stdout]    | --------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn contains(&self, path: &[&str]) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn visualize_layer(&self, level: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Visualize` is never used
[INFO] [stdout]  --> src/compiler/visualize.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Visualize {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize_tokens` is never used
[INFO] [stdout]   --> src/compiler/visualize.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn visualize_tokens(tokens: &Vec<Token>, content: &str){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize_ast` is never used
[INFO] [stdout]   --> src/compiler/visualize.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn visualize_ast(tokens: &Vec<TokenNode>){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `visualize_ast_layer` is never used
[INFO] [stdout]   --> src/compiler/visualize.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn visualize_ast_layer(tokens: &Vec<TokenNode>, level: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bold` is never used
[INFO] [stdout]   --> src/compiler/visualize.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn bold(txt: &str) -> String{
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.55s
[INFO] running `Command { std: "docker" "inspect" "f8046d1a53beed3faf934f67942c0b7460013820d9e2d584f16c40d9bbe55389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8046d1a53beed3faf934f67942c0b7460013820d9e2d584f16c40d9bbe55389", kill_on_drop: false }`
[INFO] [stdout] f8046d1a53beed3faf934f67942c0b7460013820d9e2d584f16c40d9bbe55389