[INFO] updating cached repository https://github.com/technosophos/buck
[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] b615065cbc74e6184d01a79553e1539b0c17be74
[INFO] checking technosophos/buck against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnosophos%2Fbuck" "/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/technosophos/buck on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/technosophos/buck
[INFO] finished tweaking git repo https://github.com/technosophos/buck
[INFO] tweaked toml for git repo https://github.com/technosophos/buck written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/technosophos/buck already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 4687222041b5665e5651d062dcf8683a2d06d58e89bd063e95ed26aab52a3765
[INFO] running `"docker" "start" "-a" "4687222041b5665e5651d062dcf8683a2d06d58e89bd063e95ed26aab52a3765"`
[INFO] [stderr]    Compiling k8s-openapi v0.5.1
[INFO] [stderr]     Checking safemem v0.3.1
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde v1.0.98
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking ulid v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]     Checking kube v0.16.1
[INFO] [stderr]     Checking buck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `"docker" "inspect" "4687222041b5665e5651d062dcf8683a2d06d58e89bd063e95ed26aab52a3765"`
[INFO] running `"docker" "rm" "-f" "4687222041b5665e5651d062dcf8683a2d06d58e89bd063e95ed26aab52a3765"`
[INFO] [stdout] 4687222041b5665e5651d062dcf8683a2d06d58e89bd063e95ed26aab52a3765