[INFO] fetching crate buf 0.2.2...
[INFO] checking buf-0.2.2 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] extracting crate buf 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate buf 0.2.2 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate buf 0.2.2
[INFO] finished tweaking crates.io crate buf 0.2.2
[INFO] tweaked toml for crates.io crate buf 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] b60e91868cd874252e96057d80641d75fa5c3a4f0d6ae479da440abf19d7dee7
[INFO] running `"docker" "start" "-a" "b60e91868cd874252e96057d80641d75fa5c3a4f0d6ae479da440abf19d7dee7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ptr v0.2.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling hash-table v0.2.3
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling containers v0.9.6
[INFO] [stderr]    Compiling i-o v0.4.4
[INFO] [stderr]     Checking rel v0.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking heap v0.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking fallible v0.1.3
[INFO] [stderr]     Checking loca v0.7.2
[INFO] [stderr]     Checking default_allocator v0.3.0
[INFO] [stderr]     Checking buf v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "b60e91868cd874252e96057d80641d75fa5c3a4f0d6ae479da440abf19d7dee7"`
[INFO] running `"docker" "rm" "-f" "b60e91868cd874252e96057d80641d75fa5c3a4f0d6ae479da440abf19d7dee7"`
[INFO] [stdout] b60e91868cd874252e96057d80641d75fa5c3a4f0d6ae479da440abf19d7dee7