[INFO] updating cached repository https://github.com/LittleBigProgramming/Rust-Mini-Grep
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7279895f6dd7f439844f5983adb4ade6f523948
[INFO] checking LittleBigProgramming/Rust-Mini-Grep against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleBigProgramming%2FRust-Mini-Grep" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LittleBigProgramming/Rust-Mini-Grep on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LittleBigProgramming/Rust-Mini-Grep
[INFO] finished tweaking git repo https://github.com/LittleBigProgramming/Rust-Mini-Grep
[INFO] tweaked toml for git repo https://github.com/LittleBigProgramming/Rust-Mini-Grep written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/LittleBigProgramming/Rust-Mini-Grep already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] 6006e709b8bd4390743e96a2e1948875c78c7dd165c8e806b986bf7f71ec1b87
[INFO] running `"docker" "start" "-a" "6006e709b8bd4390743e96a2e1948875c78c7dd165c8e806b986bf7f71ec1b87"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "6006e709b8bd4390743e96a2e1948875c78c7dd165c8e806b986bf7f71ec1b87"`
[INFO] running `"docker" "rm" "-f" "6006e709b8bd4390743e96a2e1948875c78c7dd165c8e806b986bf7f71ec1b87"`
[INFO] [stdout] 6006e709b8bd4390743e96a2e1948875c78c7dd165c8e806b986bf7f71ec1b87