[INFO] cloning repository https://github.com/ishanjain28/loxi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ishanjain28/loxi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishanjain28%2Floxi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishanjain28%2Floxi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c034099ff0df4d71c0d3ac0c7455834866d5be3f
[INFO] checking ishanjain28/loxi against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishanjain28%2Floxi" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ishanjain28/loxi on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ishanjain28/loxi
[INFO] finished tweaking git repo https://github.com/ishanjain28/loxi
[INFO] tweaked toml for git repo https://github.com/ishanjain28/loxi written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ishanjain28/loxi 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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e93812eb9eca8c02d16507f1941555f5a3f9eca458a505e98e953089cfb898ac
[INFO] running `Command { std: "docker" "start" "-a" "e93812eb9eca8c02d16507f1941555f5a3f9eca458a505e98e953089cfb898ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e93812eb9eca8c02d16507f1941555f5a3f9eca458a505e98e953089cfb898ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93812eb9eca8c02d16507f1941555f5a3f9eca458a505e98e953089cfb898ac", kill_on_drop: false }`
[INFO] [stdout] e93812eb9eca8c02d16507f1941555f5a3f9eca458a505e98e953089cfb898ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f593f5e02dd1160f9eb769e18b95532581ff6876d9a603c9be2f14e4483cbd3
[INFO] running `Command { std: "docker" "start" "-a" "5f593f5e02dd1160f9eb769e18b95532581ff6876d9a603c9be2f14e4483cbd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking ctrlc v3.4.4
[INFO] [stderr]     Checking loxi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/scanner/mod.rs:231:25
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/scanner/mod.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScannerError` is never constructed
[INFO] [stdout]    --> src/scanner/mod.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct ScannerError {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ttype`, `line`, `lexeme`, and `literal` are never read
[INFO] [stdout]    --> src/scanner/mod.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 326 | pub struct Token {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 327 |     ttype: TokenType,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 328 |     line: u64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 329 |     lexeme: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 330 |     literal: Option<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` 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 `print_parser_errors` is never used
[INFO] [stdout]   --> src/loxi.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn print_parser_errors<W: Write>(mut out: W, errors: &[ScannerError]) -> IoResult<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/scanner/mod.rs:231:25
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/scanner/mod.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                     Err(e) => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScannerError` is never constructed
[INFO] [stdout]    --> src/scanner/mod.rs:276:12
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub struct ScannerError {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ttype`, `line`, `lexeme`, and `literal` are never read
[INFO] [stdout]    --> src/scanner/mod.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 326 | pub struct Token {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 327 |     ttype: TokenType,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 328 |     line: u64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 329 |     lexeme: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 330 |     literal: Option<String>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` 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 `print_parser_errors` is never used
[INFO] [stdout]   --> src/loxi.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn print_parser_errors<W: Write>(mut out: W, errors: &[ScannerError]) -> IoResult<()> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "5f593f5e02dd1160f9eb769e18b95532581ff6876d9a603c9be2f14e4483cbd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f593f5e02dd1160f9eb769e18b95532581ff6876d9a603c9be2f14e4483cbd3", kill_on_drop: false }`
[INFO] [stdout] 5f593f5e02dd1160f9eb769e18b95532581ff6876d9a603c9be2f14e4483cbd3