[INFO] fetching crate minecraft-protocol 0.1.0...
[INFO] testing minecraft-protocol-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate minecraft-protocol 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate minecraft-protocol 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minecraft-protocol 0.1.0
[INFO] finished tweaking crates.io crate minecraft-protocol 0.1.0
[INFO] tweaked toml for crates.io crate minecraft-protocol 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1749bb00523ce3caa9703dfbc27c5da04bacfad52c028537513e01f9a99f6e17
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1749bb00523ce3caa9703dfbc27c5da04bacfad52c028537513e01f9a99f6e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1749bb00523ce3caa9703dfbc27c5da04bacfad52c028537513e01f9a99f6e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1749bb00523ce3caa9703dfbc27c5da04bacfad52c028537513e01f9a99f6e17", kill_on_drop: false }`
[INFO] [stdout] 1749bb00523ce3caa9703dfbc27c5da04bacfad52c028537513e01f9a99f6e17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f03bbf3bb2ef21d826f170447d8be02bd183ce5db86a550b2701882ca00f460
[INFO] running `Command { std: "docker" "start" "-a" "5f03bbf3bb2ef21d826f170447d8be02bd183ce5db86a550b2701882ca00f460", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling named-binary-tag v0.2.3
[INFO] [stderr]    Compiling minecraft-protocol-derive v0.0.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling minecraft-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode`
[INFO] [stdout]    --> src/lib.rs:569:12
[INFO] [stdout]     |
[INFO] [stdout] 569 |     pub fn encode<W: Write>(value: &i64, writer: &mut W) -> Result<(), EncodeError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode`
[INFO] [stdout]    --> src/lib.rs:575:12
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn decode<R: Read>(reader: &mut R) -> Result<i64, DecodeError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.44s
[INFO] running `Command { std: "docker" "inspect" "5f03bbf3bb2ef21d826f170447d8be02bd183ce5db86a550b2701882ca00f460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f03bbf3bb2ef21d826f170447d8be02bd183ce5db86a550b2701882ca00f460", kill_on_drop: false }`
[INFO] [stdout] 5f03bbf3bb2ef21d826f170447d8be02bd183ce5db86a550b2701882ca00f460
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b8070feb2b9f9c40354a423faab88ec85e56da5366bb5c51423c3611f659871
[INFO] running `Command { std: "docker" "start" "-a" "5b8070feb2b9f9c40354a423faab88ec85e56da5366bb5c51423c3611f659871", kill_on_drop: false }`
[INFO] [stderr]    Compiling minecraft-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Cursor`
[INFO] [stdout]  --> src/lib.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Cursor, Read, Write};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode`
[INFO] [stdout]    --> src/lib.rs:569:12
[INFO] [stdout]     |
[INFO] [stdout] 569 |     pub fn encode<W: Write>(value: &i64, writer: &mut W) -> Result<(), EncodeError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode`
[INFO] [stdout]    --> src/lib.rs:575:12
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn decode<R: Read>(reader: &mut R) -> Result<i64, DecodeError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode`
[INFO] [stdout]    --> src/lib.rs:569:12
[INFO] [stdout]     |
[INFO] [stdout] 569 |     pub fn encode<W: Write>(value: &i64, writer: &mut W) -> Result<(), EncodeError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode`
[INFO] [stdout]    --> src/lib.rs:575:12
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn decode<R: Read>(reader: &mut R) -> Result<i64, DecodeError> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "5b8070feb2b9f9c40354a423faab88ec85e56da5366bb5c51423c3611f659871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8070feb2b9f9c40354a423faab88ec85e56da5366bb5c51423c3611f659871", kill_on_drop: false }`
[INFO] [stdout] 5b8070feb2b9f9c40354a423faab88ec85e56da5366bb5c51423c3611f659871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e564ea67bd3ce96c0ce9469bfbd48b98a4ede996575cb016f9f045732aa8f26a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e564ea67bd3ce96c0ce9469bfbd48b98a4ede996575cb016f9f045732aa8f26a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Cursor`
[INFO] [stderr]  --> src/lib.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Cursor, Read, Write};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `encode`
[INFO] [stderr]    --> src/lib.rs:569:12
[INFO] [stderr]     |
[INFO] [stderr] 569 |     pub fn encode<W: Write>(value: &i64, writer: &mut W) -> Result<(), EncodeError> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode`
[INFO] [stderr]    --> src/lib.rs:575:12
[INFO] [stderr]     |
[INFO] [stderr] 575 |     pub fn decode<R: Read>(reader: &mut R) -> Result<i64, DecodeError> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `encode`
[INFO] [stderr]    --> src/lib.rs:569:12
[INFO] [stderr]     |
[INFO] [stderr] 569 |     pub fn encode<W: Write>(value: &i64, writer: &mut W) -> Result<(), EncodeError> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode`
[INFO] [stderr]    --> src/lib.rs:575:12
[INFO] [stderr]     |
[INFO] [stderr] 575 |     pub fn decode<R: Read>(reader: &mut R) -> Result<i64, DecodeError> {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minecraft_protocol-92d2869eedc25105
[INFO] [stdout] running 62 tests
[INFO] [stdout] test chat::test_deserialize_click_change_page ... ok
[INFO] [stdout] test chat::test_deserialize_click_suggest_command ... ok
[INFO] [stdout] test chat::test_deserialize_hover_show_text ... ok
[INFO] [stdout] test chat::test_serialize_click_change_page ... ok
[INFO] [stdout] test chat::test_deserialize_click_open_url ... ok
[INFO] [stdout] test chat::test_serialize_click_open_url ... ok
[INFO] [stdout] test chat::test_serialize_click_suggest_command ... ok
[INFO] [stdout] test game::tests::test_chunk_data_decode ... ok
[INFO] [stdout] test chat::test_serialize_hover_show_item ... ok
[INFO] [stdout] test chat::test_serialize_click_run_command ... ok
[INFO] [stdout] test chat::test_serialize_hover_show_entity ... ok
[INFO] [stdout] test chat::test_serialize_hover_show_text ... ok
[INFO] [stdout] test chat::test_deserialize_hover_show_entity ... ok
[INFO] [stdout] test chat::test_serialize_keybind_jump ... ok
[INFO] [stdout] test chat::test_serialize_text_hello_world ... ok
[INFO] [stdout] test game::tests::test_chunk_data_encode ... ok
[INFO] [stdout] test chat::test_serialize_translate_opped_steve ... ok
[INFO] [stdout] test game::tests::test_game_disconnect_decode ... ok
[INFO] [stdout] test game::tests::test_join_game_decode ... ok
[INFO] [stdout] test game::tests::test_join_game_encode ... ok
[INFO] [stdout] test game::tests::test_server_bound_chat_message_decode_invalid_length ... ok
[INFO] [stdout] test game::tests::test_server_bound_chat_message_encode_invalid_length ... ok
[INFO] [stdout] test game::tests::test_server_bound_keep_alive_decode ... ok
[INFO] [stdout] test chat::test_deserialize_hover_show_item ... ok
[INFO] [stdout] test chat::test_deserialize_text_hello_world ... ok
[INFO] [stdout] test chat::test_deserialize_translate_opped_steve ... ok
[INFO] [stdout] test game::tests::test_client_bound_keep_alive_encode ... ok
[INFO] [stdout] test game::tests::test_client_bound_chat_message_encode ... ok
[INFO] [stdout] test login::tests::test_encryption_request_decode ... ok
[INFO] [stdout] test game::tests::test_client_bound_keep_alive_decode ... ok
[INFO] [stdout] test chat::test_deserialize_keybind_jump ... ok
[INFO] [stdout] test login::tests::test_encryption_request_encode ... ok
[INFO] [stdout] test game::tests::test_server_bound_chat_message_encode ... ok
[INFO] [stdout] test chat::test_deserialize_click_run_command ... ok
[INFO] [stdout] test login::tests::test_login_plugin_response_encode ... ok
[INFO] [stdout] test login::tests::test_login_plugin_request_encode ... ok
[INFO] [stdout] test login::tests::test_encryption_response_decode ... ok
[INFO] [stdout] test login::tests::test_login_disconnect_encode ... ok
[INFO] [stdout] test login::tests::test_login_start_packet_decode ... ok
[INFO] [stdout] test login::tests::test_login_plugin_response_decode ... ok
[INFO] [stdout] test game::tests::test_game_disconnect_encode ... ok
[INFO] [stdout] test game::tests::test_server_bound_keep_alive_encode ... ok
[INFO] [stdout] test game::tests::test_client_bound_chat_message_decode ... ok
[INFO] [stdout] test game::tests::test_server_bound_chat_message_decode ... ok
[INFO] [stdout] test login::tests::test_encryption_response_encode ... ok
[INFO] [stdout] test login::tests::test_login_disconnect_decode ... ok
[INFO] [stdout] test test_read_variable_i32_5_bytes_value ... ok
[INFO] [stdout] test status::tests::test_ping_response_encode ... ok
[INFO] [stdout] test status::tests::test_status_ping_request_decode ... ok
[INFO] [stdout] test login::tests::test_login_start_packet_encode ... ok
[INFO] [stdout] test login::tests::test_set_compression_decode ... ok
[INFO] [stdout] test status::tests::test_ping_request_encode ... ok
[INFO] [stdout] test test_read_variable_i32_2_bytes_value ... ok
[INFO] [stdout] test status::tests::test_status_ping_response_decode ... ok
[INFO] [stdout] test login::tests::test_set_compression_encode ... ok
[INFO] [stdout] test login::tests::test_login_success_encode ... ok
[INFO] [stdout] test status::tests::test_status_response_decode ... ok
[INFO] [stdout] test login::tests::test_login_success_decode ... ok
[INFO] [stdout] test login::tests::test_login_plugin_request_decode ... ok
[INFO] [stdout] test test_write_variable_i32_5_bytes_value ... ok
[INFO] [stdout] test status::tests::test_status_response_encode ... ok
[INFO] [stdout] test test_write_variable_i32_2_bytes_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minecraft-protocol
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/chat.rs - chat (line 27) ... ok
[INFO] [stdout] test src/chat.rs - chat (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e564ea67bd3ce96c0ce9469bfbd48b98a4ede996575cb016f9f045732aa8f26a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e564ea67bd3ce96c0ce9469bfbd48b98a4ede996575cb016f9f045732aa8f26a", kill_on_drop: false }`
[INFO] [stdout] e564ea67bd3ce96c0ce9469bfbd48b98a4ede996575cb016f9f045732aa8f26a