[INFO] updating cached repository https://github.com/connec/kvs
[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] afdf5b99b4c0ccf111900cc121486f05e1e54be1
[INFO] checking connec/kvs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconnec%2Fkvs" "/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/connec/kvs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/connec/kvs
[INFO] finished tweaking git repo https://github.com/connec/kvs
[INFO] tweaked toml for git repo https://github.com/connec/kvs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/connec/kvs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] ea92e1810742c43480f1d5b49c913177e00b6d686bbccbfde6d51219e28f1b8f
[INFO] running `"docker" "start" "-a" "ea92e1810742c43480f1d5b49c913177e00b6d686bbccbfde6d51219e28f1b8f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking tempfile v3.0.8
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking bincode v1.1.4
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking serde_bytes v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking pagecache v0.17.0
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking sled v0.24.1
[INFO] [stderr]     Checking kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "ea92e1810742c43480f1d5b49c913177e00b6d686bbccbfde6d51219e28f1b8f"`
[INFO] running `"docker" "rm" "-f" "ea92e1810742c43480f1d5b49c913177e00b6d686bbccbfde6d51219e28f1b8f"`
[INFO] [stdout] ea92e1810742c43480f1d5b49c913177e00b6d686bbccbfde6d51219e28f1b8f