[INFO] crate preftool 0.2.0 is already in cache
[INFO] checking preftool-0.2.0 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate preftool 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate preftool 0.2.0 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate preftool 0.2.0
[INFO] finished tweaking crates.io crate preftool 0.2.0
[INFO] tweaked toml for crates.io crate preftool 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 972eebca4efe540da9b67bb2bcec16916372c65118f54b7c879fbcef91594b69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "972eebca4efe540da9b67bb2bcec16916372c65118f54b7c879fbcef91594b69"`
[INFO] [stderr]    Compiling cargo-husky v1.4.0
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking preftool v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `"docker" "inspect" "972eebca4efe540da9b67bb2bcec16916372c65118f54b7c879fbcef91594b69"`
[INFO] running `"docker" "rm" "-f" "972eebca4efe540da9b67bb2bcec16916372c65118f54b7c879fbcef91594b69"`
[INFO] [stdout] 972eebca4efe540da9b67bb2bcec16916372c65118f54b7c879fbcef91594b69