[INFO] updating cached repository simmons/tokio-dtls-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simmons/tokio-dtls-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simmons/tokio-dtls-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/tokio-dtls-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/tokio-dtls-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simmons/tokio-dtls-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simmons/tokio-dtls-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simmons/tokio-dtls-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 93c37e6a923857032523f00bad2a0192baa2e483
[INFO] sha for GitHub repo simmons/tokio-dtls-example: 93c37e6a923857032523f00bad2a0192baa2e483
[INFO] validating manifest of simmons/tokio-dtls-example 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 simmons/tokio-dtls-example 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 simmons/tokio-dtls-example
[INFO] finished frobbing simmons/tokio-dtls-example
[INFO] frobbed toml for simmons/tokio-dtls-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/tokio-dtls-example/Cargo.toml
[INFO] started frobbing simmons/tokio-dtls-example
[INFO] finished frobbing simmons/tokio-dtls-example
[INFO] frobbed toml for simmons/tokio-dtls-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/simmons/tokio-dtls-example/Cargo.toml
[INFO] crate simmons/tokio-dtls-example 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 simmons/tokio-dtls-example 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/tokio-dtls-example:/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] ab992d3dde36aa6f3b853b0411a97dddbeaa023d03b9c2acad4386c07b316441
[INFO] running `"docker" "start" "-a" "ab992d3dde36aa6f3b853b0411a97dddbeaa023d03b9c2acad4386c07b316441"`
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling regex v1.0.3
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling mio-uds v0.6.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling tokio-timer v0.2.6
[INFO] [stderr]    Compiling tokio-current-thread v0.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.6
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio-uds v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.8
[INFO] [stderr]    Compiling env_logger v0.5.12
[INFO] [stderr]    Compiling tokio-openssl v0.2.1
[INFO] [stderr]    Compiling tokio-tls v0.2.0
[INFO] [stderr]    Compiling tokio-dtls-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     c @ 0x20...0x7E => c as char,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/udp.rs:60:22
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let (mut incoming_tx, incoming_rx) = mpsc::channel(UDP_STREAM_BUFFER_DATAGRAMS);
[INFO] [stderr]    |                      ----^^^^^^^^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.25s
[INFO] running `"docker" "inspect" "ab992d3dde36aa6f3b853b0411a97dddbeaa023d03b9c2acad4386c07b316441"`
[INFO] running `"docker" "rm" "-f" "ab992d3dde36aa6f3b853b0411a97dddbeaa023d03b9c2acad4386c07b316441"`
[INFO] [stdout] ab992d3dde36aa6f3b853b0411a97dddbeaa023d03b9c2acad4386c07b316441
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/tokio-dtls-example:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] b4f37703a356a1c08bf1174758de85852d70a9a02952332a7fee1843639c51c1
[INFO] running `"docker" "start" "-a" "b4f37703a356a1c08bf1174758de85852d70a9a02952332a7fee1843639c51c1"`
[INFO] [stderr]    Compiling tokio-dtls-example v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/util.rs:144:29
[INFO] [stderr]     |
[INFO] [stderr] 144 |                     c @ 0x20...0x7E => c as char,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/udp.rs:60:22
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 let (mut incoming_tx, incoming_rx) = mpsc::channel(UDP_STREAM_BUFFER_DATAGRAMS);
[INFO] [stderr]    |                      ----^^^^^^^^^^^
[INFO] [stderr]    |                      |
[INFO] [stderr]    |                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "b4f37703a356a1c08bf1174758de85852d70a9a02952332a7fee1843639c51c1"`
[INFO] running `"docker" "rm" "-f" "b4f37703a356a1c08bf1174758de85852d70a9a02952332a7fee1843639c51c1"`
[INFO] [stdout] b4f37703a356a1c08bf1174758de85852d70a9a02952332a7fee1843639c51c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/simmons/tokio-dtls-example:/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" "test" "--frozen"`
[INFO] [stdout] e7dc1f6700cda7463598fbd69fa2c7237280d0c5a4b4f6be5a1f76b1c53a573d
[INFO] running `"docker" "start" "-a" "e7dc1f6700cda7463598fbd69fa2c7237280d0c5a4b4f6be5a1f76b1c53a573d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_dtls_example-2da7516c724aca06
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e7dc1f6700cda7463598fbd69fa2c7237280d0c5a4b4f6be5a1f76b1c53a573d"`
[INFO] running `"docker" "rm" "-f" "e7dc1f6700cda7463598fbd69fa2c7237280d0c5a4b4f6be5a1f76b1c53a573d"`
[INFO] [stdout] e7dc1f6700cda7463598fbd69fa2c7237280d0c5a4b4f6be5a1f76b1c53a573d