[INFO] fetching crate mtcp 0.1.0...
[INFO] documenting mtcp-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mtcp 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mtcp 0.1.0 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 mtcp 0.1.0
[INFO] finished tweaking crates.io crate mtcp 0.1.0
[INFO] tweaked toml for crates.io crate mtcp 0.1.0 written to /workspace/builds/worker-2/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v0.7.0
[INFO] [stderr]   Downloaded android_logger v0.2.4
[INFO] running `Command { std: "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" "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] 77ee815dcbabd5308cbd9b17e347139206e76d0fcf3b32360e4f5cb2bee6bf7e
[INFO] running `Command { std: "docker" "start" "-a" "77ee815dcbabd5308cbd9b17e347139206e76d0fcf3b32360e4f5cb2bee6bf7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77ee815dcbabd5308cbd9b17e347139206e76d0fcf3b32360e4f5cb2bee6bf7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ee815dcbabd5308cbd9b17e347139206e76d0fcf3b32360e4f5cb2bee6bf7e", kill_on_drop: false }`
[INFO] [stdout] 77ee815dcbabd5308cbd9b17e347139206e76d0fcf3b32360e4f5cb2bee6bf7e
[INFO] running `Command { std: "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" "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] a4f4ab51cdb8f991154b2250bcfdf287d8fdca6def701e9bda03570fc578f690
[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" "a4f4ab51cdb8f991154b2250bcfdf287d8fdca6def701e9bda03570fc578f690", kill_on_drop: false }`
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling mtcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stdout] warning: use of deprecated type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]  --> build.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     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 type alias `gcc::Config`: gcc::Config has been renamed to gcc::Build
[INFO] [stdout]   --> build.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     gcc::Config::new()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[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:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     gcc::Config::new()
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[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:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     gcc::Config::new()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: cbits/checksum.c: In function 'ip_checksum_1':
[INFO] [stderr] warning: cbits/checksum.c:14:16: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
[INFO] [stderr] warning:    14 |  for (i = 0; i < size - 1; i += 2)
[INFO] [stderr] warning:       |                ^
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]  Documenting mtcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "a4f4ab51cdb8f991154b2250bcfdf287d8fdca6def701e9bda03570fc578f690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f4ab51cdb8f991154b2250bcfdf287d8fdca6def701e9bda03570fc578f690", kill_on_drop: false }`
[INFO] [stdout] a4f4ab51cdb8f991154b2250bcfdf287d8fdca6def701e9bda03570fc578f690