[INFO] cloning repository https://github.com/mpihlak/mongoproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mpihlak/mongoproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpihlak%2Fmongoproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpihlak%2Fmongoproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 337bc6d0320c88ce3ac65a2e614b2f6ba49ad378
[INFO] documenting mpihlak/mongoproxy against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmpihlak%2Fmongoproxy" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mpihlak/mongoproxy on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mpihlak/mongoproxy
[INFO] finished tweaking git repo https://github.com/mpihlak/mongoproxy
[INFO] tweaked toml for git repo https://github.com/mpihlak/mongoproxy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mpihlak/mongoproxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gzip-header v0.3.0
[INFO] [stderr]   Downloaded protobuf v2.17.0
[INFO] [stderr]   Downloaded bson v0.13.0
[INFO] [stderr]   Downloaded prometheus v0.7.0
[INFO] [stderr]   Downloaded thrift_codec v0.1.1
[INFO] [stderr]   Downloaded hostname v0.2.0
[INFO] [stderr]   Downloaded trackable_derive v0.1.3
[INFO] [stderr]   Downloaded rustracing_jaeger v0.2.2
[INFO] [stderr]   Downloaded rustracing v0.2.1
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 638e143e3362e880ffb03c8431695edc61c6624f208e2db9a1cca36e3b74cb5b
[INFO] running `Command { std: "docker" "start" "-a" "638e143e3362e880ffb03c8431695edc61c6624f208e2db9a1cca36e3b74cb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "638e143e3362e880ffb03c8431695edc61c6624f208e2db9a1cca36e3b74cb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638e143e3362e880ffb03c8431695edc61c6624f208e2db9a1cca36e3b74cb5b", kill_on_drop: false }`
[INFO] [stdout] 638e143e3362e880ffb03c8431695edc61c6624f208e2db9a1cca36e3b74cb5b
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2f04f8ff4aa758709288b42395afdae10f0dda43fd79623a09e4238dd3d9824
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2f04f8ff4aa758709288b42395afdae10f0dda43fd79623a09e4238dd3d9824", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking md5 v0.3.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking hostname v0.2.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking gzip-header v0.3.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking multipart v0.15.4
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thrift_codec v0.1.1
[INFO] [stderr]     Checking rustracing v0.2.1
[INFO] [stderr]     Checking rustracing_jaeger v0.2.2
[INFO] [stderr]     Checking rouille v3.0.0
[INFO] [stderr]  Documenting mongoproxy v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "d2f04f8ff4aa758709288b42395afdae10f0dda43fd79623a09e4238dd3d9824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f04f8ff4aa758709288b42395afdae10f0dda43fd79623a09e4238dd3d9824", kill_on_drop: false }`
[INFO] [stdout] d2f04f8ff4aa758709288b42395afdae10f0dda43fd79623a09e4238dd3d9824