[INFO] updating cached repository https://github.com/scattenlaeufer/rustbelt
[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] d63692920a7e171087dd67bbdf9d422a65ef8b73
[INFO] checking scattenlaeufer/rustbelt against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscattenlaeufer%2Frustbelt" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scattenlaeufer/rustbelt on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scattenlaeufer/rustbelt
[INFO] finished tweaking git repo https://github.com/scattenlaeufer/rustbelt
[INFO] tweaked toml for git repo https://github.com/scattenlaeufer/rustbelt written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/scattenlaeufer/rustbelt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 765d4c9ad23d924056843065eba16c1dc01173422733676d32e4388a3c79b5a2
[INFO] running `"docker" "start" "-a" "765d4c9ad23d924056843065eba16c1dc01173422733676d32e4388a3c79b5a2"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking pnet_base v0.23.0
[INFO] [stderr]    Compiling pnet v0.23.0
[INFO] [stderr]     Checking pnet_sys v0.23.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking pnet_macros_support v0.23.0
[INFO] [stderr]     Checking pnet_datalink v0.23.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking proptest v0.9.4
[INFO] [stderr]     Checking qrcode v0.11.0
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.23.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling pnet_packet v0.23.0
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking pnet_transport v0.23.0
[INFO] [stderr]     Checking rustbelt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `"docker" "inspect" "765d4c9ad23d924056843065eba16c1dc01173422733676d32e4388a3c79b5a2"`
[INFO] running `"docker" "rm" "-f" "765d4c9ad23d924056843065eba16c1dc01173422733676d32e4388a3c79b5a2"`
[INFO] [stdout] 765d4c9ad23d924056843065eba16c1dc01173422733676d32e4388a3c79b5a2