[INFO] fetching crate liblmdb-sys-m 0.2.3...
[INFO] documenting liblmdb-sys-m-0.2.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate liblmdb-sys-m 0.2.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate liblmdb-sys-m 0.2.3 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 crates.io crate liblmdb-sys-m 0.2.3
[INFO] finished tweaking crates.io crate liblmdb-sys-m 0.2.3
[INFO] tweaked toml for crates.io crate liblmdb-sys-m 0.2.3 written to /workspace/builds/worker-4/source/Cargo.toml
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 47db8dd9d8451f4d160ab1bb2ca5532c481ccbf69462fbf203316adaf4860792
[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" "47db8dd9d8451f4d160ab1bb2ca5532c481ccbf69462fbf203316adaf4860792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47db8dd9d8451f4d160ab1bb2ca5532c481ccbf69462fbf203316adaf4860792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47db8dd9d8451f4d160ab1bb2ca5532c481ccbf69462fbf203316adaf4860792", kill_on_drop: false }`
[INFO] [stdout] 47db8dd9d8451f4d160ab1bb2ca5532c481ccbf69462fbf203316adaf4860792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 3699bacf730939b7b66a2d39cedcae9b163b3cae1aa431f482d17b516d52e84c
[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" "3699bacf730939b7b66a2d39cedcae9b163b3cae1aa431f482d17b516d52e84c", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling liblmdb-sys-m v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]  --> build.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut config = gcc::Config::new();
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut config = gcc::Config::new();
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: mdb/libraries/liblmdb/mdb.c: In function 'mdb_env_get_maxkeysize':
[INFO] [stderr] warning: mdb/libraries/liblmdb/mdb.c:10937:33: warning: unused parameter 'env' [-Wunused-parameter]
[INFO] [stderr] warning: 10937 | mdb_env_get_maxkeysize(MDB_env *env)
[INFO] [stderr] warning:       |                        ~~~~~~~~~^~~
[INFO] [stderr] warning: mdb/libraries/liblmdb/mdb.c: In function 'mdb_cursor_put':
[INFO] [stderr] warning: mdb/libraries/liblmdb/mdb.c:7627:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning:  7627 |      if (SIZELEFT(fp) < offset) {
[INFO] [stderr] warning:       |         ^
[INFO] [stderr] warning: mdb/libraries/liblmdb/mdb.c:7632:5: note: here
[INFO] [stderr] warning:  7632 |     case MDB_CURRENT:
[INFO] [stderr] warning:       |     ^~~~
[INFO] [stderr]  Documenting liblmdb-sys-m v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "3699bacf730939b7b66a2d39cedcae9b163b3cae1aa431f482d17b516d52e84c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3699bacf730939b7b66a2d39cedcae9b163b3cae1aa431f482d17b516d52e84c", kill_on_drop: false }`
[INFO] [stdout] 3699bacf730939b7b66a2d39cedcae9b163b3cae1aa431f482d17b516d52e84c