[INFO] crate gkosgrep 0.1.6 is already in cache
[INFO] checking gkosgrep-0.1.6 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate gkosgrep 0.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gkosgrep 0.1.6 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gkosgrep 0.1.6
[INFO] finished tweaking crates.io crate gkosgrep 0.1.6
[INFO] tweaked toml for crates.io crate gkosgrep 0.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate gkosgrep 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a69ce1d46edfaed7c2b622fc3e7e327f7edd0ed4b49c66f5b53200fe281c72c
[INFO] running `"docker" "start" "-a" "7a69ce1d46edfaed7c2b622fc3e7e327f7edd0ed4b49c66f5b53200fe281c72c"`
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking gkosgrep v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, `channel`
[INFO] [stderr]   --> src/main.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stderr]    |                       ^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, `channel`
[INFO] [stderr]   --> src/main.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stderr]    |                       ^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "7a69ce1d46edfaed7c2b622fc3e7e327f7edd0ed4b49c66f5b53200fe281c72c"`
[INFO] running `"docker" "rm" "-f" "7a69ce1d46edfaed7c2b622fc3e7e327f7edd0ed4b49c66f5b53200fe281c72c"`
[INFO] [stdout] 7a69ce1d46edfaed7c2b622fc3e7e327f7edd0ed4b49c66f5b53200fe281c72c