[INFO] fetching crate dutree 0.2.15...
[INFO] checking dutree-0.2.15 against master#7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 for pr-71873
[INFO] extracting crate dutree 0.2.15 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dutree 0.2.15 on toolchain 7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dutree 0.2.15
[INFO] finished tweaking crates.io crate dutree 0.2.15
[INFO] tweaked toml for crates.io crate dutree 0.2.15 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dutree 0.2.15 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "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] a8f95776bb9a39657c87122cb5a9dd6fa2c1ce2ee24a2d4943e99ddd22160c02
[INFO] running `"docker" "start" "-a" "a8f95776bb9a39657c87122cb5a9dd6fa2c1ce2ee24a2d4943e99ddd22160c02"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking terminal_size v0.1.8
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking dutree v0.2.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `"docker" "inspect" "a8f95776bb9a39657c87122cb5a9dd6fa2c1ce2ee24a2d4943e99ddd22160c02"`
[INFO] running `"docker" "rm" "-f" "a8f95776bb9a39657c87122cb5a9dd6fa2c1ce2ee24a2d4943e99ddd22160c02"`
[INFO] [stdout] a8f95776bb9a39657c87122cb5a9dd6fa2c1ce2ee24a2d4943e99ddd22160c02