[INFO] crate casperlabs-proof-of-stake 0.2.1 is already in cache
[INFO] checking casperlabs-proof-of-stake-0.2.1 against master#08dfbfb61871a83f720c6e97a3b737076e89fe3e for pr-71796
[INFO] extracting crate casperlabs-proof-of-stake 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate casperlabs-proof-of-stake 0.2.1 on toolchain 08dfbfb61871a83f720c6e97a3b737076e89fe3e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate casperlabs-proof-of-stake 0.2.1
[INFO] finished tweaking crates.io crate casperlabs-proof-of-stake 0.2.1
[INFO] tweaked toml for crates.io crate casperlabs-proof-of-stake 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "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" "+08dfbfb61871a83f720c6e97a3b737076e89fe3e" "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] ac9dbd51203e74d4396caa9fe6d6ed6faac734320199a00143ac25301fbc7fb2
[INFO] running `"docker" "start" "-a" "ac9dbd51203e74d4396caa9fe6d6ed6faac734320199a00143ac25301fbc7fb2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.21
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking casperlabs-types v0.4.1
[INFO] [stderr]     Checking casperlabs-proof-of-stake v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.43s
[INFO] running `"docker" "inspect" "ac9dbd51203e74d4396caa9fe6d6ed6faac734320199a00143ac25301fbc7fb2"`
[INFO] running `"docker" "rm" "-f" "ac9dbd51203e74d4396caa9fe6d6ed6faac734320199a00143ac25301fbc7fb2"`
[INFO] [stdout] ac9dbd51203e74d4396caa9fe6d6ed6faac734320199a00143ac25301fbc7fb2