[INFO] crate post-sockets 0.1.0 is already in cache
[INFO] extracting crate post-sockets 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/post-sockets/0.1.0
[INFO] extracting crate post-sockets 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/post-sockets/0.1.0
[INFO] validating manifest of post-sockets-0.1.0 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 post-sockets-0.1.0 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 post-sockets-0.1.0
[INFO] finished frobbing post-sockets-0.1.0
[INFO] frobbed toml for post-sockets-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/post-sockets/0.1.0/Cargo.toml
[INFO] started frobbing post-sockets-0.1.0
[INFO] finished frobbing post-sockets-0.1.0
[INFO] frobbed toml for post-sockets-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/post-sockets/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing post-sockets-0.1.0 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/post-sockets/0.1.0:/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] 776560a4b80d65fbf331b5a2cd328a8dafa84b1083b67992ff4324de5fb10663
[INFO] running `"docker" "start" "-a" "776560a4b80d65fbf331b5a2cd328a8dafa84b1083b67992ff4324de5fb10663"`
[INFO] [stderr]    Compiling post-sockets v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/carrier.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stderr]    |                        ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/protocols/quic/mod.rs:71:30
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn decode_message(&self, data : &[u8]) -> Option<Self::M> {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mesg`
[INFO] [stderr]   --> src/protocols/quic/mod.rs:75:30
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn encode_message(&self, mesg : &Self::M) -> &[u8] {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_mesg`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Carrier`
[INFO] [stderr]   --> src/carrier.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Carrier<P : Protocol> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send`
[INFO] [stderr]   --> src/carrier.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Quic`
[INFO] [stderr]   --> src/protocols/quic/mod.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct Quic {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "776560a4b80d65fbf331b5a2cd328a8dafa84b1083b67992ff4324de5fb10663"`
[INFO] running `"docker" "rm" "-f" "776560a4b80d65fbf331b5a2cd328a8dafa84b1083b67992ff4324de5fb10663"`
[INFO] [stdout] 776560a4b80d65fbf331b5a2cd328a8dafa84b1083b67992ff4324de5fb10663
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/post-sockets/0.1.0:/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] f8016e7c911f9c82e0d6be4115d03fea7d8cf3710f826f70616861fe73ce7a8a
[INFO] running `"docker" "start" "-a" "f8016e7c911f9c82e0d6be4115d03fea7d8cf3710f826f70616861fe73ce7a8a"`
[INFO] [stderr]    Compiling post-sockets v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/carrier.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stderr]    |                        ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/protocols/quic/mod.rs:71:30
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn decode_message(&self, data : &[u8]) -> Option<Self::M> {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mesg`
[INFO] [stderr]   --> src/protocols/quic/mod.rs:75:30
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn encode_message(&self, mesg : &Self::M) -> &[u8] {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_mesg`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Carrier`
[INFO] [stderr]   --> src/carrier.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Carrier<P : Protocol> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `send`
[INFO] [stderr]   --> src/carrier.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Quic`
[INFO] [stderr]   --> src/protocols/quic/mod.rs:65:1
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct Quic {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "f8016e7c911f9c82e0d6be4115d03fea7d8cf3710f826f70616861fe73ce7a8a"`
[INFO] running `"docker" "rm" "-f" "f8016e7c911f9c82e0d6be4115d03fea7d8cf3710f826f70616861fe73ce7a8a"`
[INFO] [stdout] f8016e7c911f9c82e0d6be4115d03fea7d8cf3710f826f70616861fe73ce7a8a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/post-sockets/0.1.0:/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] 21e2e7e0865b3bf394f975ab80ae718b4f0afd13f9ef534b25f4b060231f249d
[INFO] running `"docker" "start" "-a" "21e2e7e0865b3bf394f975ab80ae718b4f0afd13f9ef534b25f4b060231f249d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/post_sockets-3d16275e26576834
[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/quic_client-496645914a96d38e
[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/quic_server-47352c000d3d4f59
[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]    Doc-tests post-sockets
[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" "21e2e7e0865b3bf394f975ab80ae718b4f0afd13f9ef534b25f4b060231f249d"`
[INFO] running `"docker" "rm" "-f" "21e2e7e0865b3bf394f975ab80ae718b4f0afd13f9ef534b25f4b060231f249d"`
[INFO] [stdout] 21e2e7e0865b3bf394f975ab80ae718b4f0afd13f9ef534b25f4b060231f249d