[INFO] cloning repository https://github.com/DaveSophoServices/RustRelayChat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaveSophoServices/RustRelayChat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaveSophoServices%2FRustRelayChat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaveSophoServices%2FRustRelayChat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fd134ba74f191a269d05a6314aaa46c5c9d2707
[INFO] testing DaveSophoServices/RustRelayChat against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaveSophoServices%2FRustRelayChat" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DaveSophoServices/RustRelayChat 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 git repo https://github.com/DaveSophoServices/RustRelayChat
[INFO] finished tweaking git repo https://github.com/DaveSophoServices/RustRelayChat
[INFO] tweaked toml for git repo https://github.com/DaveSophoServices/RustRelayChat written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/DaveSophoServices/RustRelayChat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hmac-sha256 v0.1.6
[INFO] [stderr]   Downloaded simplelog v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8c7cfdc71c5fcefb258fdec7ba92e9495d372ac8198b8691e336b0968311c731
[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" "8c7cfdc71c5fcefb258fdec7ba92e9495d372ac8198b8691e336b0968311c731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c7cfdc71c5fcefb258fdec7ba92e9495d372ac8198b8691e336b0968311c731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7cfdc71c5fcefb258fdec7ba92e9495d372ac8198b8691e336b0968311c731", kill_on_drop: false }`
[INFO] [stdout] 8c7cfdc71c5fcefb258fdec7ba92e9495d372ac8198b8691e336b0968311c731
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 307453a4801fcb0ee8f4337acddc983a12ea8f85bc50e5374951f6483cb8ab67
[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" "307453a4801fcb0ee8f4337acddc983a12ea8f85bc50e5374951f6483cb8ab67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling ahash v0.4.6
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling mysql v20.0.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling hmac-sha256 v0.1.6
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling io-enum v0.2.4
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling lru v0.6.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling lexical v5.2.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling derive_utils v0.11.0
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rust_decimal v1.8.1
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling simplelog v0.8.0
[INFO] [stderr]    Compiling mysql_common v0.24.1
[INFO] [stderr]    Compiling rust-relay-chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/client.rs:167:37
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   match client.get_userlist() {
[INFO] [stdout]     |                             --------------------- this expression has type `std::string::String`
[INFO] [stdout] 167 | ...                       Ok(list) => client.write(Message::from(list)),
[INFO] [stdout]     |                           ^^^^^^^^ expected struct `std::string::String`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::string::String`
[INFO] [stdout]                  found enum `std::result::Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/client.rs:168:37
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   match client.get_userlist() {
[INFO] [stdout]     |                             --------------------- this expression has type `std::string::String`
[INFO] [stdout] 167 | ...                       Ok(list) => client.write(Message::from(list)),
[INFO] [stdout] 168 | ...                       Err(e) => error!("[{}] unable to get userlist: {}",
[INFO] [stdout]     |                           ^^^^^^ expected struct `std::string::String`, found enum `std::result::Result`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::string::String`
[INFO] [stdout]                  found enum `std::result::Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_userlist` found for struct `Arc<ChannelServer>` in the current scope
[INFO] [stdout]    --> src/client.rs:255:17
[INFO] [stdout]     |
[INFO] [stdout] 255 |         self.ch.get_userlist()
[INFO] [stdout]     |                 ^^^^^^^^^^^^ method not found in `Arc<ChannelServer>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-relay-chat`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "307453a4801fcb0ee8f4337acddc983a12ea8f85bc50e5374951f6483cb8ab67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307453a4801fcb0ee8f4337acddc983a12ea8f85bc50e5374951f6483cb8ab67", kill_on_drop: false }`
[INFO] [stdout] 307453a4801fcb0ee8f4337acddc983a12ea8f85bc50e5374951f6483cb8ab67