[INFO] fetching crate grin_util 2.0.0...
[INFO] checking grin_util-2.0.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate grin_util 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate grin_util 2.0.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate grin_util 2.0.0
[INFO] finished tweaking crates.io crate grin_util 2.0.0
[INFO] tweaked toml for crates.io crate grin_util 2.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] f71c5b6d4f373a4f0d853e7041c38a596cef5d0d829a8bf5e247b5917ae86cd4
[INFO] running `"docker" "start" "-a" "f71c5b6d4f373a4f0d853e7041c38a596cef5d0d829a8bf5e247b5917ae86cd4"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling grin_secp256k1zkp v0.7.7
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking zip v0.4.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking log4rs v0.8.3
[INFO] [stderr]     Checking grin_util v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "f71c5b6d4f373a4f0d853e7041c38a596cef5d0d829a8bf5e247b5917ae86cd4"`
[INFO] running `"docker" "rm" "-f" "f71c5b6d4f373a4f0d853e7041c38a596cef5d0d829a8bf5e247b5917ae86cd4"`
[INFO] [stdout] f71c5b6d4f373a4f0d853e7041c38a596cef5d0d829a8bf5e247b5917ae86cd4