[INFO] updating cached repository andykilroy/mcast
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andykilroy/mcast
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andykilroy/mcast" "work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/mcast"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/mcast'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andykilroy/mcast" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/mcast"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/mcast'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f0bd729f772f1bcc0c982e37265d7d49a8491ef
[INFO] sha for GitHub repo andykilroy/mcast: 9f0bd729f772f1bcc0c982e37265d7d49a8491ef
[INFO] validating manifest of andykilroy/mcast 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 andykilroy/mcast 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 andykilroy/mcast
[INFO] finished frobbing andykilroy/mcast
[INFO] frobbed toml for andykilroy/mcast written to work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/mcast/Cargo.toml
[INFO] started frobbing andykilroy/mcast
[INFO] finished frobbing andykilroy/mcast
[INFO] frobbed toml for andykilroy/mcast written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/mcast/Cargo.toml
[INFO] crate andykilroy/mcast 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 andykilroy/mcast against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/mcast:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] e98b24b04a7fb7348516f3edeaa63e25bf6c7897f1a076eedfdc04ff52533104
[INFO] running `"docker" "start" "-a" "e98b24b04a7fb7348516f3edeaa63e25bf6c7897f1a076eedfdc04ff52533104"`
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling mcast v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `parse_ipv4_groups`
[INFO] [stderr]   --> src/main.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn parse_ipv4_groups(groups_str: &[String]) -> Result<Vec<Ipv4Addr>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.54s
[INFO] running `"docker" "inspect" "e98b24b04a7fb7348516f3edeaa63e25bf6c7897f1a076eedfdc04ff52533104"`
[INFO] running `"docker" "rm" "-f" "e98b24b04a7fb7348516f3edeaa63e25bf6c7897f1a076eedfdc04ff52533104"`
[INFO] [stdout] e98b24b04a7fb7348516f3edeaa63e25bf6c7897f1a076eedfdc04ff52533104
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/mcast:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a8458e900d63f58522f6d90556d9e3be6e0d1febfcbd814c0a8cc5bc0f1b7f15
[INFO] running `"docker" "start" "-a" "a8458e900d63f58522f6d90556d9e3be6e0d1febfcbd814c0a8cc5bc0f1b7f15"`
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling predicates v1.0.1
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling mcast v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `parse_ipv4_groups`
[INFO] [stderr]   --> src/main.rs:88:1
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn parse_ipv4_groups(groups_str: &[String]) -> Result<Vec<Ipv4Addr>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/cli.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn send_not_enough_args() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:16:53
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn send_to_malformed_ipv4_group() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:30:50
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn send_to_out_of_range_port() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:44:57
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn send_to_malformed_ipv4_interface() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:58:47
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn listen_not_enough_args() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:68:74
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn listen_must_be_given_at_least_one_multicast_group() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:79:55
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn listen_to_malformed_ipv4_group() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:93:52
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn listen_to_out_of_range_port() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:107:59
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn listen_to_malformed_ipv4_interface() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:121:45
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn unrecognised_command() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.12s
[INFO] running `"docker" "inspect" "a8458e900d63f58522f6d90556d9e3be6e0d1febfcbd814c0a8cc5bc0f1b7f15"`
[INFO] running `"docker" "rm" "-f" "a8458e900d63f58522f6d90556d9e3be6e0d1febfcbd814c0a8cc5bc0f1b7f15"`
[INFO] [stdout] a8458e900d63f58522f6d90556d9e3be6e0d1febfcbd814c0a8cc5bc0f1b7f15
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/mcast:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 18654385f180c780caba4172fe0fbe8340605ea79fd1a810d8638f65b9c65b35
[INFO] running `"docker" "start" "-a" "18654385f180c780caba4172fe0fbe8340605ea79fd1a810d8638f65b9c65b35"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mcast-17267e420c2f375f
[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] [stderr]      Running /opt/crater/target/debug/deps/cli-ff5c49659db22f07
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test listen_not_enough_args ... ok
[INFO] [stdout] test listen_to_malformed_ipv4_group ... ok
[INFO] [stdout] test listen_must_be_given_at_least_one_multicast_group ... ok
[INFO] [stdout] test listen_to_out_of_range_port ... ok
[INFO] [stdout] test send_not_enough_args ... ok
[INFO] [stdout] test listen_to_malformed_ipv4_interface ... ok
[INFO] [stdout] test send_to_malformed_ipv4_group ... ok
[INFO] [stdout] test send_to_out_of_range_port ... ok
[INFO] [stdout] test unrecognised_command ... ok
[INFO] [stdout] test send_to_malformed_ipv4_interface ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "18654385f180c780caba4172fe0fbe8340605ea79fd1a810d8638f65b9c65b35"`
[INFO] running `"docker" "rm" "-f" "18654385f180c780caba4172fe0fbe8340605ea79fd1a810d8638f65b9c65b35"`
[INFO] [stdout] 18654385f180c780caba4172fe0fbe8340605ea79fd1a810d8638f65b9c65b35