[INFO] fetching crate simple_config_parser 1.0.0...
[INFO] checking simple_config_parser-1.0.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate simple_config_parser 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate simple_config_parser 1.0.0
[INFO] finished tweaking crates.io crate simple_config_parser 1.0.0
[INFO] tweaked toml for crates.io crate simple_config_parser 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple_config_parser 1.0.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fe5b2e3c6f66df98352d8e1c0680897c87b2f47f91d6b6f3bcb5019e30e793c
[INFO] running `Command { std: "docker" "start" "-a" "1fe5b2e3c6f66df98352d8e1c0680897c87b2f47f91d6b6f3bcb5019e30e793c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fe5b2e3c6f66df98352d8e1c0680897c87b2f47f91d6b6f3bcb5019e30e793c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe5b2e3c6f66df98352d8e1c0680897c87b2f47f91d6b6f3bcb5019e30e793c", kill_on_drop: false }`
[INFO] [stdout] 1fe5b2e3c6f66df98352d8e1c0680897c87b2f47f91d6b6f3bcb5019e30e793c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00aefdabb2c31d3f33d3fd04f8864cbbca63596ac6ae7caefc2b38706f004c07
[INFO] running `Command { std: "docker" "start" "-a" "00aefdabb2c31d3f33d3fd04f8864cbbca63596ac6ae7caefc2b38706f004c07", kill_on_drop: false }`
[INFO] [stderr]     Checking simple_config_parser v1.0.0 (/opt/rustwide/workdir)
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "00aefdabb2c31d3f33d3fd04f8864cbbca63596ac6ae7caefc2b38706f004c07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00aefdabb2c31d3f33d3fd04f8864cbbca63596ac6ae7caefc2b38706f004c07", kill_on_drop: false }`
[INFO] [stdout] 00aefdabb2c31d3f33d3fd04f8864cbbca63596ac6ae7caefc2b38706f004c07
