[INFO] updating cached repository nakakura/mp_udp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nakakura/mp_udp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nakakura/mp_udp" "work/ex/beta-1.38-1/sources/1.37.0/gh/nakakura/mp_udp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nakakura/mp_udp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nakakura/mp_udp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nakakura/mp_udp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nakakura/mp_udp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 389d7fa64c212ae5b8538dc64d739b2186a088a0
[INFO] sha for GitHub repo nakakura/mp_udp: 389d7fa64c212ae5b8538dc64d739b2186a088a0
[INFO] validating manifest of nakakura/mp_udp on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nakakura/mp_udp on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nakakura/mp_udp
[INFO] finished frobbing nakakura/mp_udp
[INFO] frobbed toml for nakakura/mp_udp written to work/ex/beta-1.38-1/sources/1.37.0/gh/nakakura/mp_udp/Cargo.toml
[INFO] started frobbing nakakura/mp_udp
[INFO] finished frobbing nakakura/mp_udp
[INFO] frobbed toml for nakakura/mp_udp written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nakakura/mp_udp/Cargo.toml
[INFO] crate nakakura/mp_udp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nakakura/mp_udp against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/nakakura/mp_udp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2aa56042182e68f246e9cc29bbe5bde220343f1c04ecaba71e5730406a4b53cf
[INFO] running `"docker" "start" "-a" "2aa56042182e68f246e9cc29bbe5bde220343f1c04ecaba71e5730406a4b53cf"`
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling multi_pass_udp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr] warning: use of deprecated item 'gcc::compile_library'
[INFO] [stderr]  --> build.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     gcc::compile_library("libbridgesample.a", &["src/rtp.c"]);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]    Compiling tokio-io v0.1.6
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tokio-threadpool v0.1.2
[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:                          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:                          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:                          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:                          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:          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:          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:                      int vp9h = ntohs(*h);
[INFO] [stderr] warning:                          ^~~~
[INFO] [stderr] warning: src/rtp.c:258:25: warning: unused variable 'vp9w' [-Wunused-variable]
[INFO] [stderr] warning:                      int vp9w = ntohs(*w);
[INFO] [stderr] warning:                          ^~~~
[INFO] [stderr] warning: src/rtp.c:201:18: warning: unused variable 'seq' [-Wunused-variable]
[INFO] [stderr] warning:          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:          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:          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:          uint32_t timestamp = ntohl(header->timestamp);
[INFO] [stderr] warning:                   ^~~~~~~~~
[INFO] [stderr]    Compiling tokio-reactor v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio-udp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.5
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/receiver.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(drain_filter)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_core::reactor::Core`
[INFO] [stderr]   --> src/receiver.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use tokio_core::reactor::Core;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/sender.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(drain_filter)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[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:                          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:                          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:                          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:                          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:          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:          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:                      int vp9h = ntohs(*h);
[INFO] [stderr] warning:                          ^~~~
[INFO] [stderr] warning: src/rtp.c:258:25: warning: unused variable 'vp9w' [-Wunused-variable]
[INFO] [stderr] warning:                      int vp9w = ntohs(*w);
[INFO] [stderr] warning:                          ^~~~
[INFO] [stderr] warning: src/rtp.c:201:18: warning: unused variable 'seq' [-Wunused-variable]
[INFO] [stderr] warning:          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:          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:          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:          uint32_t timestamp = ntohl(header->timestamp);
[INFO] [stderr] warning:                   ^~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `multi_pass_udp`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[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:                          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:                          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:                          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:                          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:          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:          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:                      int vp9h = ntohs(*h);
[INFO] [stderr] warning:                          ^~~~
[INFO] [stderr] warning: src/rtp.c:258:25: warning: unused variable 'vp9w' [-Wunused-variable]
[INFO] [stderr] warning:                      int vp9w = ntohs(*w);
[INFO] [stderr] warning:                          ^~~~
[INFO] [stderr] warning: src/rtp.c:201:18: warning: unused variable 'seq' [-Wunused-variable]
[INFO] [stderr] warning:          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:          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:          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:          uint32_t timestamp = ntohl(header->timestamp);
[INFO] [stderr] warning:                   ^~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `multi_pass_udp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2aa56042182e68f246e9cc29bbe5bde220343f1c04ecaba71e5730406a4b53cf"`
[INFO] running `"docker" "rm" "-f" "2aa56042182e68f246e9cc29bbe5bde220343f1c04ecaba71e5730406a4b53cf"`
[INFO] [stdout] 2aa56042182e68f246e9cc29bbe5bde220343f1c04ecaba71e5730406a4b53cf