[INFO] cloning repository https://github.com/romatthe/TinyDB
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romatthe/TinyDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2FTinyDB"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2FTinyDB'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 204e73e64eb0ea174d06e8010b0f8cf8197d7e3e
[INFO] checking romatthe/TinyDB against beta-2019-11-03 for pr-65897-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2FTinyDB" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romatthe/TinyDB on toolchain beta-2019-11-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-11-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/romatthe/TinyDB
[INFO] finished tweaking git repo https://github.com/romatthe/TinyDB
[INFO] tweaked toml for git repo https://github.com/romatthe/TinyDB written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/romatthe/TinyDB already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-11-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2019-11-03" "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] 2c7cebe37d186ecc5e9c05d59122b2056d493c1e0d81a1dbbaf0316bcd4a4f2f
[INFO] running `"docker" "start" "-a" "2c7cebe37d186ecc5e9c05d59122b2056d493c1e0d81a1dbbaf0316bcd4a4f2f"`
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling serde v1.0.34
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]    Compiling cmake v0.1.29
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]     Checking env_logger v0.5.6
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]     Checking built v0.2.3
[INFO] [stderr]    Compiling tinydb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `"docker" "inspect" "2c7cebe37d186ecc5e9c05d59122b2056d493c1e0d81a1dbbaf0316bcd4a4f2f"`
[INFO] running `"docker" "rm" "-f" "2c7cebe37d186ecc5e9c05d59122b2056d493c1e0d81a1dbbaf0316bcd4a4f2f"`
[INFO] [stdout] 2c7cebe37d186ecc5e9c05d59122b2056d493c1e0d81a1dbbaf0316bcd4a4f2f