[INFO] updating cached repository https://github.com/aisamanra/xargo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b67abf8c1ad5e129618117715a10acf8aacadf6d
[INFO] checking aisamanra/xargo against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisamanra%2Fxargo" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aisamanra/xargo on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aisamanra/xargo
[INFO] finished tweaking git repo https://github.com/aisamanra/xargo
[INFO] tweaked toml for git repo https://github.com/aisamanra/xargo written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/aisamanra/xargo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] e4724e049cf78f2e7aa574c5002b1f858701145619c9847659a468bf29654578
[INFO] running `"docker" "start" "-a" "e4724e049cf78f2e7aa574c5002b1f858701145619c9847659a468bf29654578"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking semver v0.1.20
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking serde v0.8.21
[INFO] [stderr]    Compiling xargo v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking owning_ref v0.2.2
[INFO] [stderr]     Checking walkdir v1.0.3
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking fs2 v0.4.1
[INFO] [stderr]     Checking backtrace-sys v0.1.5
[INFO] [stderr]     Checking rustc_version v0.1.7
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.2.0
[INFO] [stderr] error: legacy asm! syntax is no longer supported
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parking_lot_core-0.2.0/src/spinwait.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             asm!("pause" ::: "memory" : "volatile");
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: replace with: `llvm_asm!`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `parking_lot_core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e4724e049cf78f2e7aa574c5002b1f858701145619c9847659a468bf29654578"`
[INFO] running `"docker" "rm" "-f" "e4724e049cf78f2e7aa574c5002b1f858701145619c9847659a468bf29654578"`
[INFO] [stdout] e4724e049cf78f2e7aa574c5002b1f858701145619c9847659a468bf29654578