[INFO] updating cached repository https://github.com/PLSysSec/rlbox_lucet_sandbox
[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] 997c648eb0eaeaaa7a00a9eee20431f750b4e190
[INFO] checking PLSysSec/rlbox_lucet_sandbox against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPLSysSec%2Frlbox_lucet_sandbox" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PLSysSec/rlbox_lucet_sandbox on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PLSysSec/rlbox_lucet_sandbox
[INFO] finished tweaking git repo https://github.com/PLSysSec/rlbox_lucet_sandbox
[INFO] tweaked toml for git repo https://github.com/PLSysSec/rlbox_lucet_sandbox written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/PLSysSec/rlbox_lucet_sandbox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b91b07a6003dd87ab39d6c4b9ede411fa1e917bdac54b622b14f31e3b2fb12a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b91b07a6003dd87ab39d6c4b9ede411fa1e917bdac54b622b14f31e3b2fb12a9"`
[INFO] [stderr]     Checking cranelift-entity v0.41.0 (https://github.com/PLSysSec/lucet_sandbox_compiler#5c22392b)
[INFO] [stderr]    Compiling lucet-wasi v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler#5c22392b)
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling lucet-runtime-internals v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler#5c22392b)
[INFO] [stderr]    Compiling lucet-runtime v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler#5c22392b)
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking miniz-sys v0.1.12
[INFO] [stderr]     Checking getrandom v0.1.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking scroll v0.9.2
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]     Checking object v0.14.0
[INFO] [stderr]     Checking lucet-module v0.1.1 (https://github.com/PLSysSec/lucet_sandbox_compiler#5c22392b)
[INFO] [stderr]     Checking rlbox_lucet_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.26s
[INFO] running `"docker" "inspect" "b91b07a6003dd87ab39d6c4b9ede411fa1e917bdac54b622b14f31e3b2fb12a9"`
[INFO] running `"docker" "rm" "-f" "b91b07a6003dd87ab39d6c4b9ede411fa1e917bdac54b622b14f31e3b2fb12a9"`
[INFO] [stdout] b91b07a6003dd87ab39d6c4b9ede411fa1e917bdac54b622b14f31e3b2fb12a9