[INFO] fetching crate nbd 0.2.3...
[INFO] checking nbd-0.2.3 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate nbd 0.2.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate nbd 0.2.3 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nbd 0.2.3
[INFO] finished tweaking crates.io crate nbd 0.2.3
[INFO] tweaked toml for crates.io crate nbd 0.2.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate nbd 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded readwrite v0.1.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 44c3a95f83c540cddbf0c045a63b50925ff36ece8fddde6b07d2a1e7ff67e8b7
[INFO] running `"docker" "start" "-a" "44c3a95f83c540cddbf0c045a63b50925ff36ece8fddde6b07d2a1e7ff67e8b7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking readwrite v0.1.0
[INFO] [stderr]     Checking pipe v0.0.3
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking nbd v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]     Checking rusty-fork v0.2.0
[INFO] [stderr]     Checking proptest v0.8.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.19s
[INFO] running `"docker" "inspect" "44c3a95f83c540cddbf0c045a63b50925ff36ece8fddde6b07d2a1e7ff67e8b7"`
[INFO] running `"docker" "rm" "-f" "44c3a95f83c540cddbf0c045a63b50925ff36ece8fddde6b07d2a1e7ff67e8b7"`
[INFO] [stdout] 44c3a95f83c540cddbf0c045a63b50925ff36ece8fddde6b07d2a1e7ff67e8b7