[INFO] cloning repository https://github.com/Basicprogrammer10/Rust-ConfigParser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Basicprogrammer10/Rust-ConfigParser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasicprogrammer10%2FRust-ConfigParser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasicprogrammer10%2FRust-ConfigParser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3c726fabfa05a0722b193d8a009cdad696aaca0
[INFO] checking Basicprogrammer10/Rust-ConfigParser against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBasicprogrammer10%2FRust-ConfigParser" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Basicprogrammer10/Rust-ConfigParser
[INFO] finished tweaking git repo https://github.com/Basicprogrammer10/Rust-ConfigParser
[INFO] tweaked toml for git repo https://github.com/Basicprogrammer10/Rust-ConfigParser written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Basicprogrammer10/Rust-ConfigParser on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Basicprogrammer10/Rust-ConfigParser 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31eca0183bf97b2edb8a1ccda5d605921759e18a6c59e470b780529c9d323ad8
[INFO] running `Command { std: "docker" "start" "-a" "31eca0183bf97b2edb8a1ccda5d605921759e18a6c59e470b780529c9d323ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31eca0183bf97b2edb8a1ccda5d605921759e18a6c59e470b780529c9d323ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31eca0183bf97b2edb8a1ccda5d605921759e18a6c59e470b780529c9d323ad8", kill_on_drop: false }`
[INFO] [stdout] 31eca0183bf97b2edb8a1ccda5d605921759e18a6c59e470b780529c9d323ad8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7bd602c871dc7ab18b77ea40059c9f9091d142073876d8f2037d8a9485ac6f6
[INFO] running `Command { std: "docker" "start" "-a" "d7bd602c871dc7ab18b77ea40059c9f9091d142073876d8f2037d8a9485ac6f6", kill_on_drop: false }`
[INFO] [stderr]     Checking simple_config_parser v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]  --> benches/bench.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let cfg = Config::new().text("hello = world ; Comment").ok()?;
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]   --> benches/bench.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let cfg = Config::new()
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]   --> benches/bench.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let cfg = Config::new().file("config.cfg").ok()?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/bench.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut cfg = Config::new().text("hello = 1.0 ; Comment").ok()?;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_config_parser` (bench "bench") due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d7bd602c871dc7ab18b77ea40059c9f9091d142073876d8f2037d8a9485ac6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7bd602c871dc7ab18b77ea40059c9f9091d142073876d8f2037d8a9485ac6f6", kill_on_drop: false }`
[INFO] [stdout] d7bd602c871dc7ab18b77ea40059c9f9091d142073876d8f2037d8a9485ac6f6
