[INFO] fetching crate simple_config_parser 1.0.0...
[INFO] checking simple_config_parser-1.0.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate simple_config_parser 1.0.0 into /workspace/builds/worker-80/source
[INFO] validating manifest of crates.io crate simple_config_parser 1.0.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-80/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fd9e0bd2a6b26727c372405c2f78f65ff88b808cdddc1981c22c414521c42e3
[INFO] running `Command { std: "docker" "start" "-a" "8fd9e0bd2a6b26727c372405c2f78f65ff88b808cdddc1981c22c414521c42e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fd9e0bd2a6b26727c372405c2f78f65ff88b808cdddc1981c22c414521c42e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd9e0bd2a6b26727c372405c2f78f65ff88b808cdddc1981c22c414521c42e3", kill_on_drop: false }`
[INFO] [stdout] 8fd9e0bd2a6b26727c372405c2f78f65ff88b808cdddc1981c22c414521c42e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-80/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 069fc01ebc6ff4cbeb48f4132488879c5f1c8c2794d683ef19596ceb691a0608
[INFO] running `Command { std: "docker" "start" "-a" "069fc01ebc6ff4cbeb48f4132488879c5f1c8c2794d683ef19596ceb691a0608", 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "069fc01ebc6ff4cbeb48f4132488879c5f1c8c2794d683ef19596ceb691a0608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069fc01ebc6ff4cbeb48f4132488879c5f1c8c2794d683ef19596ceb691a0608", kill_on_drop: false }`
[INFO] [stdout] 069fc01ebc6ff4cbeb48f4132488879c5f1c8c2794d683ef19596ceb691a0608