[INFO] updating cached repository https://github.com/nakakura/mp_udp
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 389d7fa64c212ae5b8538dc64d739b2186a088a0
[INFO] documenting nakakura/mp_udp against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakakura%2Fmp_udp" "/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/nakakura/mp_udp on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nakakura/mp_udp
[INFO] finished tweaking git repo https://github.com/nakakura/mp_udp
[INFO] tweaked toml for git repo https://github.com/nakakura/mp_udp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nakakura/mp_udp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11f6453a71ef7970df7ebd6e8c5fe6155c751ea6c41d20c23f6ed6e92cb46b64
[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" "11f6453a71ef7970df7ebd6e8c5fe6155c751ea6c41d20c23f6ed6e92cb46b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11f6453a71ef7970df7ebd6e8c5fe6155c751ea6c41d20c23f6ed6e92cb46b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f6453a71ef7970df7ebd6e8c5fe6155c751ea6c41d20c23f6ed6e92cb46b64", kill_on_drop: false }`
[INFO] [stdout] 11f6453a71ef7970df7ebd6e8c5fe6155c751ea6c41d20c23f6ed6e92cb46b64
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c0b3339825e64a93adebe1116b2a1cd325272c9fa74e551e5d10d07e5726fae
[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" "9c0b3339825e64a93adebe1116b2a1cd325272c9fa74e551e5d10d07e5726fae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling multi_pass_udp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stdout] warning: use of deprecated item 'gcc::compile_library'
[INFO] [stdout]  --> build.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::compile_library("libbridgesample.a", &["src/rtp.c"]);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr] warning: src/rtp.c: In function 'is_keyframe':
[INFO] [stderr] warning: src/rtp.c:189:29: warning: unused variable 'vp8hs' [-Wunused-variable]
[INFO] [stderr] warning:   189 |                         int vp8hs = swap2(*(unsigned short*)(c+5))>>14;
[INFO] [stderr] warning:       |                             ^~~~~
[INFO] [stderr] warning: src/rtp.c:188:29: warning: unused variable 'vp8h' [-Wunused-variable]
[INFO] [stderr] warning:   188 |                         int vp8h = swap2(*(unsigned short*)(c+5))&0x3fff;
[INFO] [stderr] warning:       |                             ^~~~
[INFO] [stderr] warning: src/rtp.c:187:29: warning: unused variable 'vp8ws' [-Wunused-variable]
[INFO] [stderr] warning:   187 |                         int vp8ws = swap2(*(unsigned short*)(c+3))>>14;
[INFO] [stderr] warning:       |                             ^~~~~
[INFO] [stderr] warning: src/rtp.c:186:29: warning: unused variable 'vp8w' [-Wunused-variable]
[INFO] [stderr] warning:   186 |                         int vp8w = swap2(*(unsigned short*)(c+3))&0x3fff;
[INFO] [stderr] warning:       |                             ^~~~
[INFO] [stderr] warning: src/rtp.c:133:18: warning: unused variable 'seq' [-Wunused-variable]
[INFO] [stderr] warning:   133 |         uint16_t seq = ntohs(header->seq_number);
[INFO] [stderr] warning:       |                  ^~~
[INFO] [stderr] warning: src/rtp.c:132:18: warning: unused variable 'timestamp' [-Wunused-variable]
[INFO] [stderr] warning:   132 |         uint32_t timestamp = ntohl(header->timestamp);
[INFO] [stderr] warning:       |                  ^~~~~~~~~
[INFO] [stderr] warning: src/rtp.c:262:25: warning: unused variable 'vp9h' [-Wunused-variable]
[INFO] [stderr] warning:   262 |                     int vp9h = ntohs(*h);
[INFO] [stderr] warning:       |                         ^~~~
[INFO] [stderr] warning: src/rtp.c:258:25: warning: unused variable 'vp9w' [-Wunused-variable]
[INFO] [stderr] warning:   258 |                     int vp9w = ntohs(*w);
[INFO] [stderr] warning:       |                         ^~~~
[INFO] [stderr] warning: src/rtp.c:201:18: warning: unused variable 'seq' [-Wunused-variable]
[INFO] [stderr] warning:   201 |         uint16_t seq = ntohs(header->seq_number);
[INFO] [stderr] warning:       |                  ^~~
[INFO] [stderr] warning: src/rtp.c:200:18: warning: unused variable 'timestamp' [-Wunused-variable]
[INFO] [stderr] warning:   200 |         uint32_t timestamp = ntohl(header->timestamp);
[INFO] [stderr] warning:       |                  ^~~~~~~~~
[INFO] [stderr] warning: src/rtp.c:274:18: warning: unused variable 'seq' [-Wunused-variable]
[INFO] [stderr] warning:   274 |         uint16_t seq = ntohs(header->seq_number);
[INFO] [stderr] warning:       |                  ^~~
[INFO] [stderr] warning: src/rtp.c:273:18: warning: unused variable 'timestamp' [-Wunused-variable]
[INFO] [stderr] warning:   273 |         uint32_t timestamp = ntohl(header->timestamp);
[INFO] [stderr] warning:       |                  ^~~~~~~~~
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]  Documenting multi_pass_udp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "9c0b3339825e64a93adebe1116b2a1cd325272c9fa74e551e5d10d07e5726fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0b3339825e64a93adebe1116b2a1cd325272c9fa74e551e5d10d07e5726fae", kill_on_drop: false }`
[INFO] [stdout] 9c0b3339825e64a93adebe1116b2a1cd325272c9fa74e551e5d10d07e5726fae