[INFO] updating cached repository https://github.com/zenhack/sandstorm-webpub-sysgrain
[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] [stderr] From https://github.com/zenhack/sandstorm-webpub-sysgrain
[INFO] [stderr]    9ee3e7c..201ec2a  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 201ec2ac08643ab15c07a16f0735a42e7bed63a9
[INFO] checking zenhack/sandstorm-webpub-sysgrain against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzenhack%2Fsandstorm-webpub-sysgrain" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zenhack/sandstorm-webpub-sysgrain on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zenhack/sandstorm-webpub-sysgrain
[INFO] finished tweaking git repo https://github.com/zenhack/sandstorm-webpub-sysgrain
[INFO] tweaked toml for git repo https://github.com/zenhack/sandstorm-webpub-sysgrain written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zenhack/sandstorm-webpub-sysgrain already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] d10a0632eb068480bea7a3adcd86cdcc48fb2eb15ba33038b72f2cba9d36f3d3
[INFO] running `"docker" "start" "-a" "d10a0632eb068480bea7a3adcd86cdcc48fb2eb15ba33038b72f2cba9d36f3d3"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling capnp v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling capnpc v0.12.1
[INFO] [stderr]     Checking lmdb v0.8.0
[INFO] [stderr]    Compiling sandstorm v0.0.13
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-tokio-compat v0.1.0 (https://github.com/dwrensha/futures-tokio-compat?branch=tokio-0.2#8007dfe2)
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking capnp-futures v0.12.0
[INFO] [stderr]     Checking capnp-rpc v0.12.1
[INFO] [stderr]     Checking webpub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.25s
[INFO] running `"docker" "inspect" "d10a0632eb068480bea7a3adcd86cdcc48fb2eb15ba33038b72f2cba9d36f3d3"`
[INFO] running `"docker" "rm" "-f" "d10a0632eb068480bea7a3adcd86cdcc48fb2eb15ba33038b72f2cba9d36f3d3"`
[INFO] [stdout] d10a0632eb068480bea7a3adcd86cdcc48fb2eb15ba33038b72f2cba9d36f3d3