[INFO] crate nexus 0.0.1 is already in cache
[INFO] extracting crate nexus 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/nexus/0.0.1
[INFO] extracting crate nexus 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nexus/0.0.1
[INFO] validating manifest of nexus-0.0.1 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 nexus-0.0.1 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 nexus-0.0.1
[INFO] finished frobbing nexus-0.0.1
[INFO] frobbed toml for nexus-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/nexus/0.0.1/Cargo.toml
[INFO] started frobbing nexus-0.0.1
[INFO] finished frobbing nexus-0.0.1
[INFO] frobbed toml for nexus-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nexus/0.0.1/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] [stderr]     Blocking waiting for file lock on package cache
[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 nexus-0.0.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nexus/0.0.1:/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] a0b4c927851e80d8de070cbf7c3d4f44b9a5cd63b0b62b59d36df0020b57bc46
[INFO] running `"docker" "start" "-a" "a0b4c927851e80d8de070cbf7c3d4f44b9a5cd63b0b62b59d36df0020b57bc46"`
[INFO] [stderr]    Compiling nexus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reactor/handler.rs:233:33
[INFO] [stderr]     |
[INFO] [stderr] 233 |                configurer: &mut Configurer<P::Socket>,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<P::Socket>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/reactor/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:10:48
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:13:48
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:16:47
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:22:52
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>);
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:29:47
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:41:48
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:49:50
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:53:52
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:61:41
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "a0b4c927851e80d8de070cbf7c3d4f44b9a5cd63b0b62b59d36df0020b57bc46"`
[INFO] running `"docker" "rm" "-f" "a0b4c927851e80d8de070cbf7c3d4f44b9a5cd63b0b62b59d36df0020b57bc46"`
[INFO] [stdout] a0b4c927851e80d8de070cbf7c3d4f44b9a5cd63b0b62b59d36df0020b57bc46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nexus/0.0.1:/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] 146c468c516cc00a2f0a9f87d4cf2b06c4f5a622a9a3848a74d40938111e2ea3
[INFO] running `"docker" "start" "-a" "146c468c516cc00a2f0a9f87d4cf2b06c4f5a622a9a3848a74d40938111e2ea3"`
[INFO] [stderr]    Compiling nexus v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/reactor/handler.rs:233:33
[INFO] [stderr]     |
[INFO] [stderr] 233 |                configurer: &mut Configurer<P::Socket>,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<P::Socket>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/reactor/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:10:48
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:13:48
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:16:47
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:19:50
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:22:52
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token);
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/protocol.rs:28:41
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>);
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream);
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:29:47
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:37:48
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:41:48
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:49:50
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:53:52
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, token: Token) {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tcp/protocol.rs:61:41
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_protocol.rs:78:48
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn on_readable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_protocol.rs:96:48
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn on_writable(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:104:47
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn on_timeout(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:112:50
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn on_disconnect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:120:52
[INFO] [stderr]     |
[INFO] [stderr] 120 |     fn on_socket_error(&mut self, configurer: &mut Configurer<Self::Socket>, socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:132:41
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn tick(&mut self, configurer: &mut Configurer<Self::Socket>) {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/test_helpers/fake_protocol.rs:193:52
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn configure(&mut self, event_configurer: &mut Configurer<<Self as Protocol>::Socket>) {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<<Self as Protocol>::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:29:49
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn on_readable(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:32:49
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn on_writable(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn on_timeout(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:38:51
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn on_disconnect(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:41:53
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn on_socket_error(&mut self, _configurer: &mut Configurer<Self::Socket>, _socket: &mut Self::Socket, _token: Token) {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn tick(&mut self, _configurer: &mut Configurer<Self::Socket>) {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_helpers/fake_tcp_protocol.rs:53:47
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn on_connect(&mut self, configurer: &mut Configurer<Self::Socket>, socket: TcpStream) {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Configurer<Self::Socket>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/reactor/mod.rs:230:9
[INFO] [stderr]     |
[INFO] [stderr] 230 |         ::std::thread::sleep_ms(60);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/reactor/mod.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 |         ::std::thread::sleep_ms(60);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Configurer`
[INFO] [stderr]    --> src/reactor/mod.rs:155:28
[INFO] [stderr]     |
[INFO] [stderr] 155 |     use reactor::{Reactor, Configurer, ReactorConfig};
[INFO] [stderr]     |                            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "146c468c516cc00a2f0a9f87d4cf2b06c4f5a622a9a3848a74d40938111e2ea3"`
[INFO] running `"docker" "rm" "-f" "146c468c516cc00a2f0a9f87d4cf2b06c4f5a622a9a3848a74d40938111e2ea3"`
[INFO] [stdout] 146c468c516cc00a2f0a9f87d4cf2b06c4f5a622a9a3848a74d40938111e2ea3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nexus/0.0.1:/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] 48043043a99c55189fe6d93514ac520888b008a7827453bb6450081e0efb44ae
[INFO] running `"docker" "start" "-a" "48043043a99c55189fe6d93514ac520888b008a7827453bb6450081e0efb44ae"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nexus-5f3407e386ba7cfc
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test reactor::tests::test_reactor_disconnect ... ok
[INFO] [stdout] test reactor::tests::test_reactor_read_write ... ok
[INFO] [stdout] test reactor::tests::test_reactor_periodic_read ... ok
[INFO] [stdout] test reactor::tests::test_reactor_run_protocol_error ... ok
[INFO] [stdout] test reactor::configurer::tests::test_configurer_shutdown ... ok
[INFO] [stdout] test reactor::tests::test_reactor_spin_once_protocol_error ... ok
[INFO] [stdout] test tcp::protocol::tests::test_adding_new_connections ... ok
[INFO] [stdout] test reactor::tests::test_reactor_run_and_shutdown ... ok
[INFO] [stdout] test reactor::tests::test_reactor_timeout ... ok
[INFO] [stdout] test reactor::tests::test_reactor_remove_socket ... ok
[INFO] [stdout] test reactor::tests::test_reactor_update_socket ... ok
[INFO] [stdout] test reactor::tests::test_reactor_protocol_socket_configuration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nexus
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/tcp/mod.rs - tcp (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "48043043a99c55189fe6d93514ac520888b008a7827453bb6450081e0efb44ae"`
[INFO] running `"docker" "rm" "-f" "48043043a99c55189fe6d93514ac520888b008a7827453bb6450081e0efb44ae"`
[INFO] [stdout] 48043043a99c55189fe6d93514ac520888b008a7827453bb6450081e0efb44ae